From 8543bad56290eed68fa81c999bdb6e94a01fb41c Mon Sep 17 00:00:00 2001 From: David Huss <dh@atoav.com> Date: Fri, 16 Feb 2024 16:17:46 +0100 Subject: [PATCH] Move code here from daisyy-hardware --- README.md | 8 + menu.ods | Bin 0 -> 20193 bytes src/.~lock.menu.ods# | 1 + src/button_grid.h | 187 +++++++++ src/buttons.h | 165 ++++++++ src/daisy-looper.ino | 467 +++++++++++++++++++++++ src/env_follower.h | 91 +++++ src/helpers.h | 158 ++++++++ src/leds.h | 78 ++++ src/lfo.h | 9 + src/looper.h | 468 +++++++++++++++++++++++ src/luts.h | 47 +++ src/potentiometers.h | 257 +++++++++++++ src/ui.h | 884 +++++++++++++++++++++++++++++++++++++++++++ 14 files changed, 2820 insertions(+) create mode 100644 menu.ods create mode 100644 src/.~lock.menu.ods# create mode 100644 src/button_grid.h create mode 100644 src/buttons.h create mode 100644 src/daisy-looper.ino create mode 100644 src/env_follower.h create mode 100644 src/helpers.h create mode 100644 src/leds.h create mode 100644 src/lfo.h create mode 100644 src/looper.h create mode 100644 src/luts.h create mode 100644 src/potentiometers.h create mode 100644 src/ui.h diff --git a/README.md b/README.md index e69de29..bacab1a 100644 --- a/README.md +++ b/README.md @@ -0,0 +1,8 @@ +# daisy-looper + + + +# What does the looper do? + +*daisy-looper* is a software that can be installed on the [daisyy hardware](../../README.md) developed in the course *Synthesizer DIY* that took place during winter semester 2023/2024 at HFBK Hamburg. The looper allows you to record audio present at the input and [overdub](https://en.wikipedia.org/wiki/Overdubbing) into up to 5 different virtual "tapes" called *buffers*. The recorded sounds stored in each buffer will be displayed as a waveform and can be played back at different speeds (including reverse speed). + diff --git a/menu.ods b/menu.ods new file mode 100644 index 0000000000000000000000000000000000000000..2b8391b9cf03447b0e7b7cf66da2c734faf8ed40 GIT binary patch literal 20193 zcmWIWW@Zs#VBlb2=x=q3Xw9+g(qmv?0AUUW28P_s+|-iFg4D!<f}G6c#FEVXJpHn~ z6utb!;>=>b{DRcHl>Fq<+|;}hz2btR)WnqHjMUT;R5KZnfCK{rgL8gfT4s7_5!ke1 zBmI*6{G6o3B7M?yrRC%&mZXxZD>pT-6u(_kSX@|;Ur<^A(u&88GFbE_CMT!nq!uNX z<l}QEHXA`<QjnOJnnR+E1x5MkMXANbr2DbBB(bEFfIfLFe$32GOiwM=cgifuO)Mye zI+ufk1Du?YVxEBql$;XtGSgCvOZ19T(#}pko7Ze0(DL4<HTB#L2Ypu7B8^i!v*sT# zZHr*l|1?YJ-oC!cVS!6ly_$dJ@j5r-`+ZwxzfF`m(Y<NK!4Q*VP1RE#8Czd!TkY1{ zx%9TxtsC34<!8x$%xYdbUu#!+o|a|&v{qeno}BZW7im<?`fTIBN9o{Ii$V{cV_W(- zIOTesGQU2lk+MAZh%+rbu;lfE36<X!Y`gDTtz58)D{))U-u7(@6B`|RIekvGlr+oi z^7B4wJneI!<-vt-A01EFd%1a$O~ME5zVkQkb?_{E8uwuDhIcW|_iLtRRJ}{CD!qL4 z<9+2R33H6z`M=t2UHSj{KfUw+B_FNdQs$E5aBgw>uL;k$e3B1!UmxJj&avft#wAup z28L#41_nqTz!rSq+?ZODs8^Aj(;MuYKgU2|@Aq&8^Y9HnqYf}Fdb{wIV(98J?XTOC z&gvAt-l}PK^U3||5;s)N%4z*PV6)%cINxT<_I~w;wg(pMoFvM{++;JsXKPHE=&y~x zUp#-YtuB1k<B7%#)+RmXT=LOBLF&BM(q(rqY+K~?{n!_g$De=7%z5m<E8EA>S=fI2 zn8`op_RrN@G}H=Pk2wZi%~-cG$8W*P#E`EF*M+{!^p1@#zO%`DWt~im_7x)@Cbfyj z5(OSj{jIU%Pwm>x8#K7y<b|&adgU}{*NngG%!F)?i*M`xcm0r&b$ZgzI>QeVS6`Q? zuP=QmvzbvUS#sZ8xhsO5N%lOoL2njyv{|YqZctp}F<GhCtHw2OTaQ#8%az+pj!aMR z<I^?&R{OV1X3mm-yH495o&Wj0_bT)6>r>x!a$YF?$Y0%<p2se<CW7~?tUb?%qmoA= z1=u46?%pZ1w0l?oZ1!KZk8uLu{w}CvG`3JPmv_^PsxSRMC%<SLpXx`?l=FILGA3QP z!KdnNER^T*#^(Iwf?uZ}WhLuo9-jHU;Ia(M51-ykAsSA`CmcFNZ!h6q!55sa?IRFp zByI8akl3d?c7dO-+&+5YPSfRG7HbmIw)Ajm{^b4Fv*2vi<G7_xw^LZ(v0H>`aC|75 zG0FX2qT$($dqQ&_1Rid<zN=z3%c&PjPhY!Qxm#aF<CDtSO<OvapZmDF_we<9?|$in zlFys#RaTr#3=GmN_>vD70|P^GNo7uIF(?5Yjf&2{Z6;E8f4x9RLjI<d-P4bF%jCS> zm6zSTFmvParezv4HB`A&WYzzEeH?1;&Gk5D8I$kP&vT{Ex3+to*URG)icvmhsC)kK zPaRI?5T{v>jO_XM*Hy~TZ4rMx|6Inj#Evk{*4<1~l^#8srXc6>Y|?tIwjD7nPN#2d zEOKQ$UK85H^l@r~cGSX48`tqwhDEK7Y@eflv~q{&qNt-E>-NuoJKgxyryr-EM_g2D z%yW5jVNKQsuTI0@$Ksx!w9-~A^06r4$}ZTN>~c6rLb+*5qRqVX&$g!QVD<T7wfJDJ z{*Tgkr?nRfE^$>YPjU{3_BeImUU=7`Qxmq{yz2IIlXlMR=|NoTX5UhI7#p{4))L=y zH}t{0RezVPvOUaX$gV$uVc#y1ZEIh(J^1uHAn&ZdzkjlC>4lzOT00-AoO<EGv9x&d zzM0>p*50oXy*=rT${C}t{xec<ofO;fk$(}}_MN9=H#(k)HWzqcz;9H4T=o7Uy^xum zzRNc6c^4>ock0TQ`fgIYRtg;MV(CbWE>)3vbFAcpUovl&_-mEJHl3o!9u`kqmZBlP z^hK)9?@4zSzmQt|m;1Qm3&FfwDw&=yRCsjVd}bUM5?q*lRs8j=106g5tlBFb;*}Zl zfn)lnyv(gxh1;i!JLI@`eN_3U()nw>zx?b;DXsZk8ad15o!hkE=Ve@&dv2rX(S$8N z&jYR)Y>>WW<um=^t+{g~r!G%pQ|Jm};f$X@lWE0t=FjWSSn=B@MfzGTJ1DA=%J4+- z;R05*?av>cU$E%Ubh&dnZI13+4!K)urB<YPKd(Mh$sU-<m@2c5@vznW$C;P)RxXH& z{P1o4{^r%&7jOI8Xm{*xQDfKfjqhZ4v8kR=o!{Qd`{Ux8p5u@5uAgOiy2mq+t?Wo& zsNW{ju<bKBl$@N{*E29%GG8@YmC~rFwqedu9?wNfMWS3apD|5&WieAfEx&8gO{>xy z@<v(C?w9lzx1IUOud2VYB~E$4nR12c-Yc$f2YgdHxa4g7`a}C}cubSkU>9D&sKv^c zaYbU$<tG{T+xn71tq$Ej?R@lAhT4lX6YHv1**_LAnwEC|R=cvqUcZ!$r=_em&Cjbk zq3ltvu?1)Kf&=?RcU;jmonE7PZsUVXE^9L!mUVw!*i?ROUV+W&M}^P$IabU*$Wk1T zo>A-Dv8(I&rGV%B3yZocCcaoczr1_8+50oIW?FgQe94$O?K{Ww=$kLirz}~#GF4@3 z=Pf_)Ql;n;<*STssn;LMPmH^K{ONUpwF^%!w06o`{3&;0&1~z9oBn7s<t^q@njtT0 zDgL$d#Maw~J@5Z53*;A?Jt_D}@}D@L-+L?g_KOGC@e4`s7yth8clVaZj;a=c4>!3l zTAY%-_|@E1mQ}yEGJdE&cjbiC&ZP5Cm=lHVCtMbqkm0O!Fl6JD7Y%AEJC|v$oU-)Q zuZd^wow&tqp=!Y!H%H~w`5!y4XIXgv{o($=cIl#;Idi4VPu;rzz9ORUhD6`?^?_A$ zbHyIUr*FSxRcu}7R33WT{cB&=0w3YE5|;N%Q`{A*=d9vpy}@bK^dj@qxBp%Y8z1|J z7S;#Ml2g4stJLSL<BIHa%S|Rd`TAPr<NY<>TZGq??y;ThzODO5MM+haeSaPEc{%x~ z-OJ4dUPYd~J-eP!yI=O<FFD(Jq5F;9Zhj7LH2&mQZ}hjKXJ)xi7r*qEy4HYQ|3fZ+ z|NrjB5r%9A_jBvZZufZ#RtxWR?~-}=`NW5;TD!cm+J^JrXUy*VUTOLA^QWD)eqSHI zKaqZ9x&B4|^+ygCzUMryv^M1b?dN7|Wu@j@yx(Pz{q3Ja)&Dx7@B5bB41b!#$kH}Z zc}K<*jY%in$`=Wr^$#`VXLs1UA*1W=`J*;7RX;D{$Ub!K-PK1SwYi%=UDaRzBvV?{ zWNH;h_mO3qYu4_G|7L&V##Wy=gD3s#>b|m`$gDK3PMs>=@N|+xfZFuQ@05%m+<Vo= zwQ%1b{VhFd!R>E0w%P3NZ3=5=E9>p#e{@ylNFrN=6Jv$$qI2B4SE%^bYG<b(b9gi( zH*)^V_+??=)bA^$TzK8x-Mx9o{*3TdaROD*Yt7c()=%Bbbm*d^QR<A3yBDNMXFLB7 z%)2fAbm7mw9rLU&M`g2LvkIL1qaq@E;^k|{*e_->-RVxY`6DlK?LQ-^w%I!`WU3h( z1H%Iae6<ZX0|P^HeqITvUr>>o^EM{B_?Cr8-TnB73ypuLol(tf^u4sOaY+ti`VN!3 z%ViU}KZI<vnY1IN{;$`*#AaU~C!xtZ_)B!=7JqpelPY`S==H6gOH@^^9JrRcFh)mI zB_lJ!e9g_&M4Md`vs>4P*T+0~dF4Wa^YL4UTEr%s<{19le`Kfbtqq(@{%{(&pJ<BU z<yqk<EoPvYYp}L4H{<7?-q?9<o7Y*d3yeyg-fEd#<{TKdI<zoUH_0g2joJ0gNuG5x z9|fQ9Shv{XmDkFU(6lZ-i3!u$VroBGUMo&JRy5`H*Ikd!{8|$1b7t#y`F)K3?C+L6 zxYc$<;5XxnM#J<88||j@t`lo|d(6$DB0oDzB|%qvf7RWEX6<SZj5L_1vDNA&<$u|D z@L};hZI)Xz4CY5&XG*GeoZ!4Ho69AjVX4>72)-@L&oU-v@;(!2FL$24dCQ(TQ+D@c z7H9hl@Ni$`j95BVDPw1R+s#(vC8^?D661O{Zgbz5-o-XSEN7an!i=ijO%>TIuijf4 zcH}|d<H@rpG;Yb}yw%aKc=*@cH}{ju9^cOtj|^7vFKpuc`Rv=fv$cFH<}TmDU2P~{ zIAhhkdx@*6jzk|&*()gf$YA?c1N8|@;%2AMi?yGz?7qeG)hvytYzrU1Oc7Igq!|~n zYqoRpr%4IfE-G&_lJ|dn)#WV0cWp1v(@9DhHB~M18EzR@dN>{VbHm4Hp%Uler6-CS z+oc6wzBIC!=DTa|KGt%R`q%x>-z#)5&Q?E?==<`c=kvwadBbOKxwkPkVuc%zb*WOx zN@Zzbrp!b4w7RTgC)oUL?c=_BXllJ#!O|dAi5Z`an`~I6rj)KwtSWuj=4_y|^E}hb z)P>m}ZWPrxNilV=KkD7)pC$F;;ieDj8w~$ucb}8h@esV&6gSVYd-inoid{w;y#Y7a zF7L>k)*#VWuKj!ASHr{Sk}iF{Z@=VWsnWLGLnaU8G@73kUfB9TC?et5&me_60`j~| zC#96<%jifvb4<+Gq^w@R@!WWmI`8!6qc(s1<Q}nd==!XFP~66zI-6Zj<xE4!tVhRM z96m(Pb9lEiW<kWQ=`SX(=ZQU%zBI^Y{mf;}_AKg>(w>LhK4fuA$a5|(T7Kk#jMQdJ z{_CG2H=etGufN=JVNY(_42F}5&omuG<eGLDncPV~`uWu4LgP&q9A&1`8~8)anLp+| z;-B@WfT1&|S#nBjpV*ux)}-j!T)8J~C%j<WDp>L1%L`B8<L-4v(|p$ydv=`2nIyN0 z?ex-?f@Y4N#%2nSj-Ic)(H&v%_Lif}zSM@EnX18i6dtiym|ojg@Q;hx@k7{4?P!TC z*M_$@oUcfKd@ze&I9BGU*HQg+v&kB6ZF;p@mj7#JdT+F||F&awoS0AZeyz4kn)d}} z6gGZdduF4fR!Fkt@gln%CL?1V$%C55!>v@33;wDt-R$$qy!w^*i5U5qTE!=Ul75WK zj@8!)KkYiJR2t25`cDhTnkAkeC$&GgHQVlp59iEZ8fij~{9EoDE8UZIIeFaX&vvDM z$<JqO4(6Kl=7qVh$klHwfp202oVOl!dQqHrczVx7{pCyUoylB3E&Dyossda6L-`Rc z=lwO^HZ8vIBl_@@=hV&#g1R{eb=X|%R#k3Xu;M*u*NvSD8m|f+7plZvtr8YqW1o}v zCzq+w@43LH)!g69ytd2~JF#>Abj_4UL8tcbxOHNV)SfB@gT@ZFV+EN<o=P_w>ouMz z(A}q`AjMl4qRsqLO2O)GjK;3X=a##_u(}k$p!54oqPXz%5<$E7dX{Zhc24@X#H!Yz zf6A$K<&J+h1$@;kxn3HZ-s|zu{enhN;c<!0b9SWOb2^rK^r6sup1OFp1*}tUHlIDN zsT}j2_2m2CN6!@gOggqtYRmeial7sJ1?*|$POW|#ez@p*?!U>B2Il+a+85<W8h2ki z+oTu$I6t!CV{T3HWw||#k>68zpB~-2;#<hxqs`0BHmvbD_L;-t!iAilo|<ll_iS^D z^;>`Nly=63f9p2o_`lUu{`zg(?K(TDkLNz$Sz^!e@Wb&d4>QsOWZ(CFy?U<TznRhe zMfu0>zB{*X*Q%=R#uk6p^=*3KP+NK-`(4t$*FEd@Z!c>*{@2=W9_yXMfyEnMJ2_o7 zyr*_f>387s&_^pmA5AzMZ+7~~XIm4gZ~nbgo=;!xBYWh%_1|e#^|w6tnM!=GPjQ^N zy*X|9d{%|5{eLrTPaD4pG|ri2e(U?(_}Pyq?h1ZcefFQlGYjK)-;XU;mYHauAOCAl z!o73H<{q7W<koS%w_D7m-`nij9B{*^@bcFG*YrQP<)k{cyPx=b{`?F5+EmHO@lJvD z|91V{wn^S^XGxg#`mi|Z%NM6{_uE|C_-lJnmhI}STVE8S-sDH?y5E>45aXm$8*R|0 zdy-|_S@DX6mu4<$Rsa3Oan-p4A2r?wJ&QfH$9v|~N%QwRJ&ir}CjDklspjG7%l@U- z7F$fJ*zm0PlyG*)Gue}Sl$NaISbl$^j{ITQWF{N4SJjW-t=MdRE3<T-eAfFlOK<Lx zE3JE1_cqny-P;~stG~A|uaj>67B;K;aLw(|_e-Z$&F|!UvEc7!+lsf&2alh7QOUkV z((dryjql|j=KkKh#b^HSy$hvHxx>z$neP3>X63WJ&-Z-)W2W%wUh%zZztl^YU)xT< z7y3R@XK{OdmgFz%x{344e>K13clf*f?SA&!ulArif6~Lr3wN_KFa$*5tMftQJH@Fb zC7F5Y;6CQts8~>?Uwc1(;=@w)qh`9AK2FC4I8+=Cn9bL>-lXdw9r?+ti099*sk|vs zO~F|O+i!E~H|Wl-F0Flc_2bs{`*mz<KJrMqPr38t3cuGoCZYCS9cS{3m{%A6wEVvG z({a<eXD2Y9)+=S=7b-ltP@sro|Afn&`qop<Oqe5J5VWj8IZo|B^B$c!Mqd?g`fAtP z?vjzdEfbmKGB2-)Tk%hkoqXHF_6;8zH&w>zPWAfv<4vB%(l4nAEqg!e$gR;lb^On> z|EFL4xWBP4H(b(s+uy&T8C*M0>GAD;8oq9O_RX4DCC0rPX5zOGPuw_rPRY(cJqbUA zw%%D-dH<ZGQeO^FDO;oK-#hP?MEv}uqNEfaxbE|M$2yK3yy;5PPXvpOJ`yPT_-a*w zQI+tbpN|$ipVe}`@96$74fUNJ+|w`I-OhUWu(;+tWzNH4$18XaPuu-mP29&wA-wa) zf`1d13%-~)Uu=Tl&v}dQ`x%N0aDC-qy2f-&^L1cf%ai{<0=9U+T=!)AiOJ3<G%Xid zGub*{KJFpWaOPp%8}TWwDxU27ihrDm+}vzB$)Z;2UFGWId|SO*7u=I<Tt200nu}%4 zNk0ZzCYd*jkM*rOy7+UxK3f9c;yZQ1duLoqEp|L?-S+Kto3CbD!xOD0R)f?c0e3dx zU1Bj^?mO3>HQ>Enz&9s!(pt#_HV1DsHs?=2w*B?R_*<1)mzJN=nlx*Y&U@9D`}I9F zzpwm0>5KK$B}*=ETw`U{pL}rYf)`~|bz(JUO<8EF%9L<9Q6yP<gNxu=F}wZmH>n3( z83jx&7xuShQ#PH~RCIjCOeeSG|380zRzLJUXrgF|nWy~1YZ}YmD8z0_a=dIOdcGji zn8QoB;AQ0l!R9t!j+hgh427l(MP?g0<bOQwkl?al=ck;mot)pxe{7cMl)OLX7o)qB z)3xJPonGlmbNxIviJ5bL(9L4ddtkTnTw(&V&h;%X9a7Q`HpEQQ4!phUR_Lj$?fmr- z59V>?vu*31C+J`D-{(R5Tz~JmynFV!+==ltJfz|HI%V3w{Zr3vyINYo(EjL0+Oua4 z2ON$plYg1@Dq`Jk^{<n5EHC2~V1LAu^!9g!>4OP(nHY^4_*vF6zG0E*IFd9$Zr?Tr z9*ap+Oke%v`PA__eR@vm`L=cE1QmjEmEuj7d^(e`x$~^c>jMQd_bxQw=)dBeVMTP& zUv-w(6OUZ6eH=Au_Z{9-IZt*?*c0&X%e->w36%_S+by?!_n5H6hfB)kn{WVo+9`Lg zhLb!uuG>dn`SbmG_(PeA+pYwy6nu50w)o%5ssF0K8DDv{zcp;%T|0S`)V36rIC%x- zLe+PyM+6=BEKN&#vHZoq`Ae4@iT^dyozJ#Ud;1T*Qem_EQ~X!n64}vqhC?g6mTlhg zPh6YU{h1t~Kl`n>udYVW4nvloo?%r7+SeRhq5f0kO?m109kZH0G#q|(TuaH}9naMI zXJ_p{pIUTzTh!@uQR01OF^v}s*8X2Kf1lMG{%duoS81;9yUKa{v0j-?&)g4JFHBrl z{^jYrA2InadtW;ItJ?H?S6-EB${o`woh$XTmuOx8<2kc0T6MEr*SY&&OP4QOxBPK+ zz12IL8>~Nd&-)*1%g>hgZr*+ARPH_f13Ug3T=Ys5SwAndzpgks$xrv{?4D__Gw+K} z{%AY#M)%9P>#bOwT`X+9pU;hw*p~nG?3_b?FPFrG9$35S)vLM}8QyQIob`^|T9mh$ z@0HF<xN=nA?9s>I`bE56vUlI}zdE*dt?NJiDHXo8|L>`VUd=6edZVt;NKUIP;;p}% zo?ONbi>-gomE^d*zWO!G`@QzkcMI-G^oS-~tk9QU?6xvn(`~U_*z0#YPO0WyzsB?D z$9DTIwt_cU%`4t>?)lELkInp`@fNYhbm0c09hSWh+Gm${$$9by&tom$lzlJlPT{#t zm9s02>s(nPW_^^)K5#SfWWiLv>cuXLYOghY%KPQh+rH#_m)Z86TYp^Gc5?DXYqy}N zy$gfQEcRdE<~Y7%_7{c^TaHie)ZP7OwYkt|&-Ynj|5!m4Lzm71oBON`3~x1I6$1lw z9!VpAQ$~p%0|N+y=6pgjN^_I)5;Jp(^-Ew(y@I^-&Hz7mUM?vv1_lORPY;(M1_s6q z1_s9e9Lx+1489TDWf&Nk83KGlTp1V`n3%a)Ie594nK)Vb_&8X&xwu)l#JB||MYz}m z_=Kbcxg{hd82ObL1(di&lz7B6c_dVMCAGL^jf7=11mz6*6^x{mG{w~{6!@7{g_x8@ zxz#0jwM3b;#JP2(dDLV?4CHtX<pdPv6||J3&6W6!l|+nHq)aqqEmedp)Fo^+#cZ@> z)Ya7$HI0;XY_xQZwDhdCjVw)d)yxgGO-xK=be&`jTvha))XY3I?Sf2f+;knotR3A= z-6AY}6Kw+19Cakz3}wB{RNZV$f^0S19j(J0bwiwugWRm5+>GKpO=7&Pl6)=FgKXX0 z+#J0^oqQv`{DQm#!^3@@BZ7P)BO_hHGTmbeLt|5Y63e2JGDFj=68s&q!<`eOgA-#S za^ixDVm&hwqstO~s?vh9v$Ioj$}@{9i?UNHi?d5gN=nKqN~&tBOG|4iN@}WW!gCs9 zi`tWlniEUAk}G<%s=CsuCuG)5DywNJtM9C>Z>Xy8%4wWd)!1IrKC7a4QO(3<jXB}% zg)!abDJ``njde90wWX75Gn$+0`x**+nyaTb<<4p^S=3vxY+_AIOG`s*e`{xNPg`Sm zXIocycYDvou1T{dcQ(xGYnnEpd)l;VEz?)E&)GP2&f?xh+h#0WHD$%Fxf}Pcp5DBC z_JoadJC-k+vwczT?iEw_ZJ4)w*|KG8Hm}~eebc&?yEm=awQJYRwFl>JI=*Dvi4}V< z?bv&G&w+hw4_@7V;Lw&s=k^>py7$QGZ6|K*zi@Bo*@t^CK0dT|#<5Lvk8D|dWc$ja zJ6E6Fy727IC1>}nJhFG&rM)Xo9Nc;3;F?<}w>~_(<LRY+M~@yoe)jU|OV=--J$B>b zsY{nGUA%Vt%B^cxZrr_f_2RvoS8m_Fefa9*V>g~3z4`LQ)rV(pJw0{%)#-a5uibro z?$Nt54?kXi^!nDTFLyrvdVb^B<Ga^B-aGa7;rZ8(u6=uS_VbfVAD`X)`r^u$mv?@? zxbpM$?I%y3Jbm-|{ipY@zWn_B_UX^hufBcz_VL@#Z@<5N{`L3g*N=aGe);$BpG-q0 zBLjoBzNd?0NX4zUbNORJQg3~q|8UJ`cE4F}jW^eQaR|xh`=k`npscnaH#caSN7ok3 zNyj!vPx^Z^-F}&pt^Vt#S=u{)%6q!DsBJv%yK#%UuOO?V`G1?;JM#o2RtNSNGs~X) z8uz{S9M6J;MSMIJv4_v>v@AYno4)U}_5R<x-p}0m{C>lt=tuWC7#r0th}>oS)xZ8j zh5M@)=hWj~r>uY9vj5}L`Gwc#+%<n|Df2@AYvhIh`leqS7hJjG=di!9^n$MQ{Hmw+ z^R92(C&TL~v_CF=OU=#YYn3$}BjsYkZ?FWEu3NX@!m2fuLV~xtu7xtpS(6}hCd^{% z&IPwPqvUq6<xl6C^k(-gMnBoj&v^~z*PXwebI|wt%)-#ShS7|-=eh1&nsqmCM?}Dh zxb{^|P04Q*b*H{Adzkzt>sP{I&TT36@@taIZ*p_#sQZ6$yzuSDgz59Yu4_}7teJYG zVD(|EQ%9cHNgJ@6RVvTZZJu>sIQ^_x_roUUFI9Wa@=QNfV#?5c>`MRTqqCDsKBnv2 zCH%@gqbzp9<ml2K;r$P%+Dh3My6rFb*?iRU$E^-c<0CN}?teaW<Yrv)gM$C*%k9?R z<zUa-Ecfbv&8g2$hBug$f_)8(e~G=&d{eek|B&o_4$pgG84{CT2b8>-&2V4p+YPq& z4(~F>TWoW@Pp-@e&U&?Ef^9)d<GGHey+5j+{Px<Q;l%WF;m--3ub&?DN=-h_u)gN< z+!t?;zWK`dJD{fb`|DMwS!xbmIy}=|UToWA=Ch5e5vMDiqvS(O_Mfeah&;AzW!E;z zW&1uaPmSY#*s59JSgjVnJ?G}8n}@F7&kVV6UMK!rQAE;ZLD!2D>X)-b3tWt-sZ^-s zN$EZGv^HDx0{2g~4e!f1-^`Bplr<L;?QM|evF6Jz_`dgV;JLHyr9Z09`!uAKNj!f3 z#qomw2K81eFRvp{9~XzX)~8n#-t2m+?e*XQ!|O{0Cobzo?^8<Od30sQu?ye2zw%wE zexK5n*XAz%;Fs&-gu>_x*&-Ky=TCogaT%}cOO7gyQ`gNZs%M@%G$q&7RsNEv%omoj zS-vm2yWIXhyeZG<nPXWtZ&k+cyQeDoKh@q|eEk69+@yQrx0<HO&pB@^m7Q?ypvc*H zjV(*gT-;GpP^<ldh3{9#I~}`g9-eYdzprzvrp~Ho%8^nrys%xf%dh`Xm;BrA1^gB7 z8h;&VonZ1oVoIjBjNDwA#KuhtJ~Bp+zKCt$pQ(QG=H!E!vfR17r8j3ys&d{KBigZm zJwic#z4yk@wNiUzjjT8DvBYXmad^oQzq(fA+P)*Vqtx~&Znc@nkSj8G{pyTU!oR1L z`uK-f$tTVDv5MvL{7SQkn%JG`hio?Z3OBpDt-5x=@7bn+#e&lN-`kuoy3iQ4HY{I@ z&C*%=&z0NB3+|n_{=P>eZ@Tf30KvD))?I>OBC@?(Qxar<*Q!=-yY|B;^g!@8#r@p8 z$5ftec=tBo@rSG*NfSyWWMwWDZssw3VZZ#VuB)|EUW#PiC7B&5nY(wb+;}&vce>S` zo9o_OPC2Z7d(p|FtH(DLa&Nl7SvKNrs@3b%ex?IjlK<W0<z9QdI(9kK?Sc;9>TCDa z`ZBuS&d)CYmU!W0@$UCC-hLPVoI3OS)L-@YHP~_&T(p+jyIA1@%d92`;S45U#|4}w ztc_|=J{OZOnEy_ALG$4l;e!Vk>aDu@Vv#c+@2X<e7dwisA6X)~J2s^FgVyyc*<#YM zoL2W-MVCL>@oGZynRP3-cRFnE_h9nvQge-W_F&mnEppds!EX194hv2$)_kqtI=OVh zqLYg`O;Tl-WCWQsE?d(q;tP{n1XglkNyeua>zdZB(pbMD<#YDd4Ts)!b&2WB*U>3D zQ<}Cqpzm=AtAp(A1x4R8bv~4e`W8&Of4gaE*#haCZO<dVo_n9W{X>_Z=GSW<CHKC` zx?3tLWXHFDHxu_C>#xgo3cBuVuP%*W_QI=fhx&p*%PC&nMH@~X-k5nxYARQM@<aE4 zJ{L=gYFGb=_L}t)IXvIEZZW&FD0e@QS|P9AHj_s!HEB!jA&Gr=1A0X#**4u&TkkaK zz_MAH26I|7?0RF@TD2|^F4^UtvEgFEs>a`97IH<C4J7lwSItYT{`K){drRP+ckHI7 z8^S*%mbM=jYxM6otz)z~x18<g^ngo^i|Pej%5*pbvTt<!*ONTaZ|47Cw@C%>l!VSt zHEPbw4Cb%hvpvFghV!iaDu;`o_HRD<;?3nlOO<Es-~9jMe8HZNM`v)@eZ6m&Khd_m z*6ptO1ev4nj(cz=8uJ)j*f_UAuGjjun@=XIuKWLEpXcwWX}oJ(TVh;)s%qlf@)Pmx z3w}Nki1;fef0$3lc3;5E9h|Rj#w3Sp{9<?BSfw-ji)p~oa>omHN~=>R7dEim-1p~4 z>It4p|L6LiZdxF|$+W$iZOf+zmCOQPB2%wcHg0TJwW?e6mRsu3vx6th3|;#Jzt5U* zC?zd<!SgbvS@+wvH*MqBlRKkz>&Ua1-{q-d%bfQ$=A?D(*)ZSIAvuRr{&bp!<o*w@ zy54Pf)~(gA;qbnC)7ZSVdLwgWiqi$}w$;ThX?Dgbw#<9?CcBnTFJ&=W^{Hgpi`+Mh zGt?8Ft=Ja*?(^L)_dj#fHJN1(+OJJ(Tw<PeRCdLS{iR&9u1_@CCHm!y=7v_^Y3$Ws zk28sDz2>W|Z&)pLB&cP-|98RFzh!bNBho(a?#&PVqAsg>i&N^&_jWfE?W21-mI_vw zFxw}0?VBv0qnzTq?dRIJm9G4}UEST>9}?x>3d_jI%wiK(+s<Cgsk%3%NOv>e`3C`a zmat5E=6J2(^;Mf&<u^B_p0Ao_;TUi7hUK<^UF(^Ww=dGzGqmmg`UXDV>CT?`bm3>k z|A`ilcD6S^>-x7X*;U%<!;Z%lZ*Mj|zIsRGp2ECF*J3_irweii-(;9Osm<<Rvn$xO ze0J%ch=?h6Ck`z;ZF$;OD9vpPyRPmmrhc*OtF9gFHGEl`(OGx+*_RiK!yCTM{~Gja z_lz<NhxFHV``_^MyJ)WOa_(v0vviH2z})Ej=d9$|PH;@W)$lIj;(GCf4J?bUeVF!7 zyM0mOubAI|tNHHgeY`3A^I@9Wg6pa$Zb;bOn0)PET3W8;#AQv-&W9Z5=GC5h?1FgK z*ZIHAt}Ass(J0jqF_}{Nk9F;1&Us2Q7p{89R+zMXx?`}h;@8ya^~TZF+k9WQ`Tz8L zUHR8B|Mkz)j<=b`ZT30L4B<a@<#E@}MTQ}BlW*8~gzrrbw%EMb{l}Zcn|}SrjJMp& zR-R{_yz~6i?eizE-2LfA^-Op9Ywuhx{4bHQJZ+V;KV&nXh+EDF>44kY41JO&$LLkD zM9;Iiw&=FJG^=c-iG}Fi`DZmdX0m5L(_0aDK$O>?WjQ1B-u1c}KMoZiaZ+iLzEv;E zD64hLFf`OiZn^CT-}XgM6AxxLM7Qg2X*yQ(WZv5ePh;0Uak5R6l`%OZlV_{M^3nf* zxN~gJHIej+RksplH*mTh6<zy0+Qmy|i*CT@{R+#gXQ)-VhQ+g0O%&c@e|zy0&Qzl( zdmO{;Bo_x?6ne6F-_Ftur;4Z578xFH_oo_fS>~B^BD`Shn&j?zwq-M?{ok$GG&6)( zCarg2dr%@TyRN-jPWv?RErr6oYTo@lrBjOC$~GU(3v05?S!$GM{66QcTlT@#wbNPD zr|OnDUbVbe`8!|jkX4D-%TIbgG~M5?p7TCYGc=C#x85CRyNulM?JT<N8`D?V?Kyg^ zeCy1ca=on5r>x~(PvBp*L#uylWXzfXtGYFh+`cBve*Gi1H*MSDlh@SUl4VWg?wY&5 z&zLbq#P{*VB^jIef=nu*1$&p;g(;;I7IB(XLd$y)%`!{GSI)Of4OAJp3%|HGzqIA) znyT{9b7%h>AKkg=TBxO^rJZq1(Sg<X40niZad_C1ylyKW=ZE*p?k~|PcU}8N?b4fB zUDd1I*DqMpys3|`Ij!i8n(JkszAMH{<|%5<a=5?A);Y*TbC%64kXt~si0?JWt}<iS zc&pl9CCaneS4^yT-ttstn&0M(oZuDK$Mw(Z{;B6~+{fp-{J#&6z)^F?x_#6B?v78N z+WyM5$6e*OKwQU!H_erfcM2T@Y6~pAm0rKtv`D;{X=P@2z@nzK_}lWk+}wJZZq#p_ zCYrK=|6HqB#<Td}(-$tivSFIY-Bj1l`QOYrtZ!*m^%hP4J1=Id!4K!98{%i~^q9%q z;!y5;@!|3Q@O=V`TZ6Zpn(n)JNkd%4uhYTt^V*neW_5Lc*HL)=V%H+u9yj@qcg+^m z?=e@AOSZew?zZWWHAj?4?;=B|Tk9*?!aMvUJuhB=d~rsc%kr(EUy4_UuZ!BtEBg1& zt2tL!n;X5Jkdl$r$UJN6?CZR~Q#4-h@au2WiQkcLr~Txv-qxxw`q$#0UA$xUZR5|P zJEyGlWbG>-J;^i+ocQ(!r_Q_t_T=>@;U@PLGNi8^ecftx&*J3qn}25R@Z06*dRxA` z>C3~2>AEFcTQYgpvz%3v_Uf8&$NS<;skHh>QfV#!GKv^E8QypPQ(Uz1$1w+e(HevA zzAgsIKUJD@)Rt!mUjO;LEcW8B9i4@Yj_C))9?SmE-tWPE;`^$bvujrfo6O&)n|HSE zp2W5Ldk>s-Xg5#3w$pPnyO`^NeqSBI*hRP18f!PEo#$;#o4mv{^w=VnXvh9q-dGdo z^tY=PX?JfE6?vN$>%6n%>#10u)vnL4{O-CEIq%7$rrZk66+3qH&Uc^M`Yu&==EFZ4 z@8e$2X**@-GV|G{6Gev?d^Gt!`+nHP_1cji)>>SfD0!|z=2+bIMIX8zOI%YvXUUS! zl;I(FSF9w-^(ebxX3+VbdtVJQYX2PhQTXe+>bx~le|wMq)}Q_V!!F0quGbFdu5~tP zlj@EA{$jR>E%&W-=Yv{@tL|+vKRKh*>85Y!motF}o?m(T+5OW`-_>nT?oI0AdoH<Z zY3VA5-w8|i>SgTll(V%9lx$iNXcINJ=JT{KFO1BdE-Lmr);{H@k^HQ3;Wdv}Y>-v^ z@axkr^VP=R?Ch4Ni@fEFJT5M0Z4hZX^Vm!uHBZ0q9W{0#XZAY2zA*Dq(w1fG4VG3q z%FDkOZ_13=;vX~T<cBX`(`0`-HBAzGsp9eJ$>+1@Th&c<9`1h-`8J1p)!m?r>g6Ag z9^_h~_2}TG^SjP!bL*PFxL6tyy6_V36z%Z!|G2fMZu;e4zBl~^!`sIvZ@sKhR_pNO zw09Dgo=|6G(c#;?YHi--7rT^S#2H?D$Y5J!^SZ)*;vvV?+Vkhg+lB{zS!~ZZtIczL z<VEG1EPL;Fu}i+V_$J(0YYoS*6%kEc>l9t@ySU!oW7oK*MVV*IwEqn!<yd$nAD$K8 zvbJlT+6D7986N&q+TT7{Ae_=(+VHpW=hu1mZ!f0EUSF4?A^l<J`jRJRE7!UwUs9PR zSfca)ZFg<Wlqn*$&0TF96F)!j_<d|b?}`@beQm1D2Gh43cVleaSLk{;$d|Xt&Gq$R zpTxvOe{Y$RX8Cn_m5%m>lO*DJQ)JCoyy(tJ`m_JRS7pvsXIkYyoc#Dxf6>GJYs5pg zR^H7kf7|q3&Gq}MjeYl)yoj^C=Gdj?D*PgD6||7loCRwA%K0t;H;fl?e$ky>YO+i1 zQG8+G(OyN?bt}Jb$#%?kUHhWTe(mxXi@fcpUwO6k`==kPwH=vVx3j=o>`cBK943v+ zKn;3_U;$`@9>T}hz*oB<!ZOQ2I0Mw+*W@q(jU%wkf*7y>#HWIRcSU_!emy(7Wy6ID z7X&W9*I^Jp)U;7XM(hvYy6t;qwYru~J^L!HQc>TEYdv#{^|m#QM;Gp_sjZT_ku3Hh zsd-nI!}i{d`z$RjSEp51h99ncxbms?wDl1i_ed;wCHHqtQ|WnbL9x`$J`3wjqfZ@f zVOg@OQv138j?_NZW!!(WZ^-udGv0o%v*vbHB4gt|B{|u%;;DyhSl+Uv$Upll8vRZ< zF5L0=58ag0hvz9vWXyeXqp0eMZLrJ&-u0hC?+d-?bLfA>UHM_kwgsPCzj`gav#ROa zT*-3}&dJE0cDSEb+9WqsUqpMs+qRu7zm|*I?$>=$66^c>tWm9Zt5C^1#n+Y@vC<a| z&R$>DR5x|a;^GU3w~LD8{$4!apSS56yY$B<-#e3=mz;Kt@0!QFA+^DDR-;(ck7*ob zRV-Jk_8xQmZ(z|Ya@R7$QRHadtjHA)J|DWgI(+@1Zc(*6b*veh)e}VJ{99gV`dmC6 zzR}nIQCHj2S+-s7lS^Y%UrQX-ovE6VyC!+!@$1tY_XV#qe{yY6?UA@^5^f6)y0?4# zFDRX`sD6{-9J39(WM4QRlJ-(mzP>VJhQL(YpeAi8=Vu@OirIB8Xm|S<`n#2%vqXKt zep8h#%)0i=Zl9QTvoDnAOWj}Q&y0HcJjy>LFW9Sft^GHnv~&@BBuB~dYmH{z&kEx> zW?D7JZV;|8bnEb`)eQN(>d6+q4eYO0g<g<KJ-qU0*P?@B8a;^}r62eEf4nRnEdJ-z zi5crXD!%EgRE+C&F*~>MXXWI~YkBEOf0cyl|J#2|`zWPjvF#2=W&Wq%_WkLXwy&R; z()IhUrPS*M#HaeZpBMD+)|l0iTYaIaTdD4*(YKSe;xRGdAD7<ai0bh1oH_MT(+u5X z%Xg@4SzfK2QP{eg?`Fu0Syj<Tj>U0S?Oe@gdF;)ss-<yUR>xDj%qB0Y-nyt!<gT4k zEX%G=k-N5Cc}lMF^B3udIm`aG+4?r-{<c23@RDQF6HFGcDcDaGc^l+veBmQ!t$fLO z?O(ngw<Mx@eg<p2E?B!LzIn-`O%KC@wsecm?Oagqa4hCiM!2@r+Qkw%%J<$qzIO4m z+}SnE3G=6kyp3|zzQ)Mgrn!BUyZJQj`^M|mBy2A$c2txvTpzUW(aoT9Rub+)nQI=m ziS7+~AR^6^^Q`YXk7MCN`)XP5i--KSS@|ajOQtNj7;&6e+v@!B*|i(%Rth>kuiTLT zV0zWw&IQdsE#-1kdKPcL9C5r?yDH>Mm6@=6*Y*_tIm_2vidHC_)*<_B@x99eU&`lA z)6@L*H!F4K`DM#8G=Dhzaqjtl%4ko`5x=?j|6h+@eg2?h*uEV?UN>dm-{FdMzqexP z;tQ>{b`mNZUj{_fbZ-;ftyZObV9}Nombvm5x2{Qk!?$n4@9wY~)^yRlef4kIS?jOm zYb2aKAo#wi$-XN-QH&|zTgMd1(13sqzPnUK?mj4GyL6e4cT!*0Ken#;{Pq`HXDc0e zw>{me$#35Mt!tE{824s+{c>87dM&<PH+${+qUVC~F@n2e8Es=u)qI`y@kOA)U(?<H zXF9L#vOBN#E3*5~_cm{zi{GckOkcFPd|K<`Me5>FDG7Q@PJHXwe)CV<lA|kM?A-2i z&5(=lM_y+GbF<1%M%CRBRtLJe+Mew6U&qK&ThegF)V2R9C-*5)IbFuz&z>_YdCyoh zHLCAb`qFb1&sO`mUYzhU*XXFqmpO}^eU@2F7UZ^?eA0w(eNJjXP0fm``ufQyraM-& z^WVPK63u>8WB$VfcbOv`lV6qlc1>%Syw0E{wXNdGr!~op1{d0E|70_)O@1k{L(Wyb z`{2SwmuzpgoawK!Ueml*V)DT$H5E&y%)D{qM#gK)3-Q;dPM>Ce?I?%x(^a27o%(d? zV3U96+6y_FPdQpOD&^fHm8Dxu%eJ|uPTLUYm9+lgQinu$v)$LfA3u;CWRmhS+ajal zJoo1e|Fn}Evl-eJUJAIl;`Qqf8Pcbtq>h}`@wV?N$bLU1%GOFhE8jwG>dWE<#{KWq zUSF6q_oP^MKbLa-p76+})|;<3Y(JXH^<vkt>Kl*Nmo;xFTfOW0uTR}^9Jg*UzBnhE zYu)yfF)p`n-olyBi$W`++s}W!Vp*|%+3K#o*;dJ~9-Uk><I6dH=d>g2$yIeBTl<vf z1*ad8_I~o^!H>daQZLRd-tB$y|APg`Z}9M+)_TEmTVUIT)m`h(o;`51-O}fx--Sr| zXPRC2RyIsys!mzMeE#64Ph5PbzKNQIg>2a{eFM`KKihl9?MiM&9JKp#wPKySqjuM| zCvtADX9%{7$!O`=T-a7B9c#TTOyFHckBjSi&EDkM6^bu*XB{igk^Qo>@0>`jRQ!)u zr`TI220g8xKK)&k&XZ@`S!F|4|4d&qVcSu0(Y@EUtu6_#e96J0t8(qz<>+Y9zY4YM z9xoU9J5Mw1UhBc82V44D+iy3EJ<AoeldTW8ejTBcQI^KP;ofz2k-NEab9=UUUnrd0 z`%uEV{P{n9Ylr)()vLlj<i5YyWN^obPxS9Yv2Xu1e&&@2lsxU4em(JW)PKF-&(GKY z&DHA8`o4kh?9GxrwKuHfY@<S#E?aUYUVyFckNqllZl{kMc@A!0x_1$4Vw`AINfWQ| zyMOZeZ`Y(}=<Aq>Kb&eBux-&*)~xQ9qrAtjCT7KS@8meqda7a4ns<pWH!a%S945B+ zNib8Ya-`|^=^~<j{aRXEc1&Evnpn5?TcSnjn;##AkJqd6+{w_tUz^!IebEao#~C{O zqVJq8Wb4bOM^7no<=(Y_^YpZPON%})J-^55wd6eWqcd0*Yxew&Ycf-*n`1VScdFLW zlWTVDh*uF4p7o%5YxF;TMHRMkqq(nFEy|9x<DGqIVb9l)CkKpwSQOtmZq;O=+%M4V z?vWwE{cZpGBRd$r*2#X8GOhT^A;yxQ+MRH){ks_Zr+bU-@{$gO9=D2W`&4&A&EM=` z##H%l+S5KI<uZH=-(-7JXML!%xYCQcS{ZCH?{>NCKm410dx8|}m%kiUC%5j&zma~- z>PfX^#!to6isbdnqWD76EROx#P`kn?uKi`6_6z@Y=NE6b2;F^uX4r*yOERwa-#htz z-O=0cTau2S$k^L8W#z7^ugYKD;y(1}(4s?&?#6~~F`5ypA60Sxw%mv9`*?RXuX+4D z`)9|BrYm*de?=woGxhiP*KgeE;~?{OjmFlGFLvxGTqeGIO-8hX-mj2PG8=v-`_BJq z_C5FY3!jU;O`pmhxGwyWWUq58eDCag_p9ceys=H|dF$>a-{fj-E5A%M2(HOcN|T%~ zseX)gbFh;2$7{hR|4*`9Q+t)2vb7>(f@qtj`uBaim&oT`S#0=9Ys!0`ZF6kSvQNwD z-9FF#@V`3l4JUuc9J%(szG9;x=lORv{iYFXs=o=Y%i!GH%YDeNQ~cMB2>0!pQlFUj zB=<bB_Q{I=d(>m`^~*Y;_a5ob>WMo)_wX9$FCV{u|M@I_2aiDSqg(q-uU(XVFF7yB zI^B0_>#O#u3zlx$@a5Ci<Ne{XtF835%Gigs+Ae=QEicHV_S-t{u5HT`<PP6A*Z8}B z%2bYZS*i|C<%8~7vCaRyUU538zA^8)SG&IVNQ&M!;S(H@>2<dwn0~uE&Mb`n`TJk` zruk;cCX*KBcP-j4|L+hJ%iouR`P}mFCJ2<6dFN{B+RuD=QT^ZUMH%<ml1;UK+0HY+ zb>vm;;sw_%wh9QQsfR3jeqSom-CX0AxY`;=*YtCNZPxpoE=<tn*e7=4k#e%>k{7d= zWHcNvO12Mevp&ba<z4E2zm}5~pRzM#g;HhB121NXCeFX{F228Mp4oKMHshN!9-c9; ztBUCqxohg`yzGN!$WfPLt^02AWXOgZF7sTrTqn{___5ltwTiCyMO>Mauhz`^D^&J4 z^V>dO;pmGMciMCxzYMO(RO#QR*|ltA-@71_-qIcW7oA+Z+w<ZS@Ob-f2CH*#W_9@6 zzFov|_sy)T{@r3*!oC!qbX_gZ{Ks`Mx1QXh7mp{+YJI$pMV9~6^2WSxrQf*BwkSAq zmnr;so|JbfUbt$D%I4!cZkEOutzGmuHl(oYwAA4fhvHsd)MI|T$uprk^V&nB3sXwJ zlwDZzB5vJ_G^V?@UDK-hw)p;xWm)~}<aDt!#{R26KbXJoNm<vl)n}e%H3Xk>tUo#b zKxbOroj1QZD-M)>ZI{z|x9o*Zui)p3WJ8-B4S%DT{bZAywf;`&eWvo@l2C^WM+)OQ z?fW<kzJ30}$&sEfpvL*;b4qGc|HT*i9vkY?zKFA4d||&|oo(tmuBsH_Z(OrvBlxqk zq8#;0%w3PGC7CZfvw?Zm5>8H|diiZ}HJWp{pXhwc*J?j^Jnv*{owdsMY@W?>Vch(y z7VIx%zc5$hmt9>-*fs6B3;YgD6AgSHddT5({yx=>n!-{%)^`kEpWvE)t4Xgo+cmxN z%r6hq`zowkWM-W1ezW7^`k!BXdE4gB4ZG94z;^!3mg%qJ7G`Kvg}o8q$rvTNH@|_E z@4;3d16$+FMc0GHzK4EUP`dhKQlb8Zxz8{9hUR~dJ}<KNjQ-~%ALh)lmlRvHC|pd0 z$NNG0bN;#7yWH10>-MB>e&Vq2+^b_<b|>@IRV+kfZ|A@A-W+tS)%(uk(_8)s?+y<v z=}(hg<(^*oc;T(2jix*6E~r<gWj~iU&M^`HwDJD5u2WrITHpS>Ih7(E5PmW3@v+O- z*S&~(=p1&oBYdvh+=J0G@_AKLXRY5j!S2qhW4#NbHuwwA?-W;_@XgsyEx6}p@=rVY zZ*Lz?(reh~|6TN++^*QB?(<oPla9D+UE#U@;^!PuKF+{Bf2$_c^L%VdWLP}OW*K)^ zoqzT$L3x45#{pYvJ3g&kqAomT&EaR?XWfoEzB2Y)($iO0pXO9<Sg~Toh844Pxx2e` zVi{#+mNraFRyzOiv!7hRTD7>)y3Y?9;%vH)>i?;1n;>gimb-j`_2(DeuG-f_KLk%W zua~Wz6LwDUv+B~2)MM7s>x$0QrmT6qkGGEF{fD<f`;JG}O|zMBP3^Glli%9YYJL3^ zyN>P2Ie9oX)TH;GrGxn9HZIY*YtQ{QPvp^fcQR^&bMw8lVE^9Q>6*W)A6{m*TDiJQ z?Sj^ew=yr@PGXMVw!TI3-H{y@>ovY)y!UQAIzhbjUpmLHPLrjMuj5>u?=!}}-zvLS zIW{**ymd3r_7xgaQd8RZEIm3|@z>$c8M4n?SDv2cd#TpBYhT=j4OgBwGhPb2YhT%9 zsN?%mX1b)E+l6wEt&46Ruadj2^U2ruZ~yeaV)wM<?!New)_XVR$&7;IX?nj-oQnQ- z_vus7>AN_h`b-nA8RnRTsil8d(`*>uBKeNd<lS+n%M7Bq``hco&9Zlt^ma|to-@-W zHZibO*<VX5WKyBo>${w)*7{nvbRA=N3Wb$#>|5i0<<NXy$3i#T|6U)Hatr2MELMH2 z*48RjZ?-&p!NzDqho)Z<caM1fb39jQ8l4~|^I@ygz7L$tdzad~2k5`?xz>KP#dX~u zO;_t@a~W=%<UX;u*zTJeoF?LHcx(BFU#fBo4=#*5+~4?i`oHr>*niB6mXUd*&cZ6~ zeaH1;r1I3KLU!`!)7x5e+ycL;Y}@p(<esUH@sl{?jHk0tOx=Csb?DZ-*h*o0`--;e zSIQ^bG^@GeW}i75x=PLaeCW)xt!b{)!-KaZTd{QTx`*gW?lKN|ZrWZu+g{AN-TTKI zjr~%stTs*4K6WZN|H}=#S-VC#`enoIcCF2a)A={tV%L^^-(#&}IYIR4i=BA}*FM(T zvwmSbEBQ|4V(^Cjx|)Y&<(1;Y4qaAJzGL}hf4KV2z-tS&ey#YhGPyG1L8ktOmq|Mo z<$hmN*nH8teUb51$qSont_B)3yfAUSIKePxm6Xg*zudBK-?ledYtGW=TOHrDN8!zl zc1>|^v-+R4{<_t#p9(${GY|Tr^tGMw)35&$EBb0}4OusR&DZ_?_j6Q^;;T45(J%T@ z7BAAwncjwcQGfN}#`4rd_93qSnctZ%UAAx2Le4uL7bD9{S7g*?Wxe_&ob@l{%YlrQ z!miHz+PB^<ulk~}`mA^5d+X19FV&BGRy$m5H|;vP&|N>s=2y-Bx2xPYU+JG;`@1B} zJk&(z>c%yXHze|&wkrF;l45%zmVND+swC~{QGA~kF4-lVaKE(R`oXTW38&BgIrNG5 zX9DBzKASm@>a^l#zKc_RUBRL~&A2pu;k^kROLF^NS46VsE30q*oIi2>le`6+ZJU~% zo#T!=?Vr%O&`Pym%t@`a%IH`uo36I---PCP?G2s}5-*B;S+HP(LH*xj-3t>J{yida zP4d3huj8$p9hqv<p>H!*ZQv7mE8OND#k?)Pa)#QkpBrpXF&)`qq1s=ju}kYfb<&=T zzmp5hU$4-1ojBDf_GT9s*Hz`sqPYg2lPXKYMQguTv2OXgqVMd)la8PHyr<2}wEe|< z^xw_csd1m@EU^Fia$e%jpAYnkErl~<9UGIK4t;9My)#2vd(Q39JiQx7Kd0YbXJ>Ow z@&6shU18sM{?isM;k8&MBXfFole)Y1tIZBY=?gM#e$5iu+uyitS^p%F3ps0&SNFZN zn$<Y1-AXnyP38Bwi_@|LOn4`63*V9@`*-PLtJP=o*FL(azwgs2p2M>r1Z=7OP^F%c zqtw*gyX3{|5R>hE+S@8kUuwO0+O@hbROIcS4@(|he7@WNVlCU2PY-vfmV3B=y>W1k zndRX`*{u6b)g?hJ{>SX@-}ozcxA|J&&PrKtL#@i!xykuT&dC?8{vBRA_0@N?wb%Ko zChFTw+;zajV%7Fd{#9*OoA@$9O=JY)a)atFY3|+pWu36=?Hdo@9GiRlOu*6NWp1gz zyX8Im)E}jFZ97`!KR5S_J@dsq_Pgc%D=eKm=7_v%ymW?xoBKkGYg=vU+XZhge_1AB zw%sP&L`PI6(mndZhn@Q~q#pj{D~Y`L(<#Mg$^7!d+22!7ZF#fY;q~4KCjH}njS+UP zKN#m8-Rq$L@#x|y^XD>eES6nh%r>RL%7k}9xqJBT2g|#-Zl?D~oto<M-Fw6PytfNO zSNaF*h2A^2^6{taoo(|La?RqcJ@xWl?!D<VXG)wnc6$4Z$o)rmALG3BD(>1u(->QY z_C>m8%|?pZYQIf4zGis4Xd|EKms}zF_dn8hF_$!ld#d@Lo<B$DYL|S|Dv9mEC2J)% z&8d_-;-_aKK1=-dn!b-OlyiQ4l4HKxxoGOaKdQ`Y{4RLAdp+NpGiT*J?e8C5o(rG6 z7F)D=&ErS&k4b(xAL_hCLP|{P+4{|O%jT7MoqL+sb?vN|@7yJ^@4sYJN?6@_d`H(T zvo<1GV6~lK_wUk(S$u77UK{ydKM?-7`Sav{@8@?FcTQgP*);!e;>}a~j51wzDmK$6 zNf}SbbPl`65nxlbf4AnYRZ&l0pRsxq_oqVf@O56>TR-g<IA0W23VZTo&4;M-N6-Ft zd~Er``Q5XN8w1}w7JqqIH9eWbyX4LDOP{yyWXOAd(JPt5&vpLwPySAyzi&@@s?FW^ z<>jR6NcY?=8C~2QTA7pGowsF}u&$VVaQE6pTi@KC$Zd4h{LoGR2?v_Fqt`wTP=6VF z-n8w~$wP;d?UR13{_{!o|C^0(6Ba6O-YQ$H?W%3R=2TVFn`{=*-sM;B-*|L?a_Byt z*A+^>wbg45AMMJs54o}XnAII&liqtfCobaLBCQP_BkwA+e=Tr0MtIR`Exwn}A5W@k zc5c;=<-8U1Zj!-l@A93C?gg!pTEFJg?Ap7jc}1!j3tmh^j0`T|1h0~#^=LO}I2}Cx zPW15kuQb=IJuCOmGc?^Q&^<doC-(2po|tVv5{^aw%YWOGv~SD#c~NJ%KfRH>-;i5o zbN}~s=>;O|b?gpXeTv`m>C^AcDok&CYMU~%YHE56+?rBiwP!@URd8E<P`~T{?-}{L z@&6J8#8&L){NGT|dH8YVnpWSYcRbPaYj?9q?#lmRcCvX5%P!s*vN;<=PPESaJ9j}p z*LyDcO^3n~b?@Z~ZENPT%2BzW;Uv(sPW+j5S;Q)7!&!GH9(BCFVu9zy@P@n>)7gyk zi<>;<Q+l68O`FVi#o_M+%?AvBr5CbH7w1_SbJ6d@?2@I2q}Ze$>RpNyxxft4wNGIW z=Se@;+id&UyiNa~?h^ki^hA8m>bVQ9yBojouHDY{e}dkYrgN7gFSCbPi}+r<D4B7a zdzNjk$lT?YhZ8s7P+Gzvy-@VaCB}~YH+RnOSR@~4^GiBp%T=)%3p93#nt)1|s`(6o ztKGHpLciPytT2uhePW{Mn8iBxc0vTdyGc4<K|kM2!_s3tQ&x&C%Q)e#uKxOkj7h(X zj+JPxyiNPf=4WfPUdCiB&ZyAf-S%a>T*mv0JX_8hJU4O`eo=N!v61P<$`>iIT-^IF z=EmOP{ME4RP`>V){P!0#WEs9TUyi7nzV@e=r=WXK`_ryt0=G1F9W-dy-#qo%hoTFg z{&&95Z{!o{Rc}1LKJcP@i^;ZCJ{7$V<s4R#(>GT=U3K;LG>-Y7{_9J`z2-1U;k@xm zv#ak^<k@eL?F(*pe@WhQK<a?&p<?N-IHQ(mj*{$}M4dtr<K`Y6p=G^=DVO)~e`+mU zUYs4RQFb)D*`CcJ=a1Ar?qg?f`aQgK?f>b&J9IQAz1>tfN2Be}y6~cRxy@d_z9uVN zK#RYKn=9IN+%a6H+&3gd_I<8t_=$Bax*T$UV+s#e#fEOo&bszRxNoOW$)0X4zsPs1 zocm06FT1C<abtK>+{0DQe6Oc2_-`NQyLrpHj*7>igJ?Wm{an^LB{bnaV?`9S=-f5L zQP<PYO+PmgdR9$EZqC}tzIlfg1l+z`wjSMPwB+qFr@~Dut_Uw-UyxQX;X^}0$E4fh z(S?szb%}W2{Aj%Ay<x}McUN}5;xLTt=dFI49mcpVF8Ynsx4r*Y+26?9ed`O?+D4Zm zsgS2K%U*9uv|RK>>!wQJ*9j_HFR?qky?uvy(w}Jk<4a!WsC_u6m+}0eNnx_O`h<^? zTNee@ayA7wWVGu(U1EN0n?ibvVdm~tdEo}v9Ai&C{;8I*skk(tBxA;o*QMD^8LP9b z*fVBu9lTj4BIJIh<_+Wg__@mk9AB0&D5y<aQB!5I?R4Ri<>nt3IGsA-&0eu>&s^bY zt^V0IS)UyWR#s^)<Th@&vY@Kn|LNZ&Ng0baH-9O~$yDWC|Fa}kL2LippND=szpD?3 zoX+CwEVp5|a8mWvMu~6Ur`-Ph{&+hcv^$`q^Y4E{Mg|5Q@WCXEOd<>-IM0~^#Sa3* zPMr$yM%9H-!N368Re<1!U^$rxbcPb-93)~*>B3?P;+!dBO*w$Y6wu*Ogxmr;2MXb% zZ&*wz$S;7OLxtNlG6+LJCwVbqp16g2E){N*P+gRP#UxM|!_KL~Z4Ro77GN<4_1r4l zCZW3M78a9`&#}U74(KE+L@)_4VTKXLxmFOvU`I0{AKC=k`G_#gpNWA1UUn3vq`?v~ zOegYrJ)lFK5IXyq85nX?AxAu+>q0(v0km5Nq3bLw^2t8v`jGc-f=*>X=(FZQIimqx zBl6xJR1fNlFfbr*^n~fewf6^MrH2#)1FoGwFjHW`gj{-n%4LKppF9{Ce6f|%0p6@^ SAZ3CKf()rF3=C;rARYj!p3Eiy literal 0 HcmV?d00001 diff --git a/src/.~lock.menu.ods# b/src/.~lock.menu.ods# new file mode 100644 index 0000000..3e896df --- /dev/null +++ b/src/.~lock.menu.ods# @@ -0,0 +1 @@ +,d0,t,02.02.2024 17:44,file:///home/d0/.config/libreoffice/4; \ No newline at end of file diff --git a/src/button_grid.h b/src/button_grid.h new file mode 100644 index 0000000..96395e3 --- /dev/null +++ b/src/button_grid.h @@ -0,0 +1,187 @@ +#ifndef Buttongrid_h +#define Buttongrid_h + +#include "Adafruit_SH110X.h" +#include "Adafruit_GFX.h" +#include "potentiometers.h" +#include "buttons.h" +#include "ui.h" + + +extern Potentiometer pot_1, pot_2, pot_3, pot_4, pot_5, pot_6, pot_7; +extern Button button_1, button_2, button_3, button_4, button_5, button_6; +extern Adafruit_SH1106G display; + +// Represents the different types of GridButtons in the UI +enum ButtonType { + BUTTON_TYPE_SIMPLE, // Simple Button that can be pressed + BUTTON_TYPE_TOGGLE, // Toggles between two values (name needs to have a break "\n") + BUTTON_TYPE_MULTITOGGLE, // Toggles between two or more values (name needs to have a break "\n") + BUTTON_TYPE_ENUM, // Toggles between a group of buttons + BUTTON_TYPE_LAST +}; + +// A Gridbutton is a single button within the Ui-Button Grid +// The name can have multiple lines, delimited by "\n" which +// will be used to represent different states for buttons of +// the type BUTTON_TYPE_TOGGLE or BUTTON_TYPE_MULTITOGGLE +// is_home tells us if this is the home button (and thus should +// be rendered inverted) +class GridButton { + public: + const char* name; + const char* description; + GridButton(const char* name, Button *button, bool is_home=false, ButtonType type=BUTTON_TYPE_SIMPLE, int default_value=0, const char* description="") + : + name(name), + button(button), + is_home(is_home), + type(type), + active(default_value), + description(description) + { + // Count the number of lines in the name + for(int i = 0; name[i] != '\0'; i++) { + if(name[i] == '\n') + ++lines; + } + } + Button *button; + ButtonType type; + bool is_home; + bool should_render_description = false; + int active; + int lines = 0; + + // Go to the next option + void next() { + active++; + if (active > lines) { + active = 0; + } + } + + void renderDescription() { + if (should_render_description) { + display.setTextWrap(true); + display.clearDisplay(); + display.setCursor(0,0); + display.setTextColor(SH110X_WHITE); + display.print(description); + display.setTextWrap(false); + } + } +}; + +// The ButtonGrid is a grid of 2×3 = 6 buttons +class ButtonGrid { + public: + ButtonGrid(int home_mode, const GridButton (&grid_buttons)[6]) + : grid_buttons_{ + grid_buttons[0], + grid_buttons[1], + grid_buttons[2], + grid_buttons[3], + grid_buttons[4], + grid_buttons[5] + }, + ui_mode(home_mode) + {} + GridButton grid_buttons_[6]; + int ui_mode; + + void setup() { + for (int n=0; n<6; n++) { + if (!grid_buttons_[n].is_home) { + // Not a home button, display help on long hold and hide on release + // grid_buttons_[n].button->onLongHold([this, n](){ + // grid_buttons_[n].should_render_description = true; + // }); + // grid_buttons_[n].button->onReleased([this, n](){ + // grid_buttons_[n].should_render_description = false; + // }); + } + } + } + + int homeButtonIndex() { + for (int i=0; i<6; i++) { + if (grid_buttons_[i].is_home) { + return i; + } + } + return -1; + } + + void hideAllDescriptions() { + for (int i=0; i<6; i++) { + grid_buttons_[i].should_render_description = false; + } + } + + void render(int button_enum) { + int width = display.width(); + int height = display.height(); + int box_width = int(width/3.0f); + int box_height= int(height/2.0f); + int i = 0; + // Draw boxes (2 rows, 3 columns) + for (int box_y=0; box_y<2; box_y++) { + for (int box_x=0; box_x<3; box_x++) { + // Get the current buttons name + const char* name = grid_buttons_[i].name; + + // Prepare colors + uint16_t bg_color = SH110X_BLACK; + uint16_t text_color = SH110X_WHITE; + + // Home-Buttons have a inverted color scheme + if (grid_buttons_[i].is_home) { + bg_color = SH110X_WHITE; + text_color = SH110X_BLACK; + } + + // Position variables + uint16_t x = box_x * box_width; + uint16_t y = box_y * box_height; + uint16_t xc = x + box_width/2; + uint16_t yc = y + box_height/2; + + // Fill Background + display.fillRect(x, y, box_width, box_height, bg_color); + + // Render the different button types + if (grid_buttons_[i].type == BUTTON_TYPE_TOGGLE) { + centeredTextMarkMulti(name, xc, yc, text_color, grid_buttons_[i].active, 12); + } else if (grid_buttons_[i].type == BUTTON_TYPE_MULTITOGGLE) { + button_multi(name, xc, yc, text_color, grid_buttons_[i].active, grid_buttons_[i].lines); + } else if (grid_buttons_[i].type == BUTTON_TYPE_ENUM) { + bool active = i == button_enum; + centeredTextMark(name, xc, yc, text_color, active); + } else { + centeredText(name, xc, yc, text_color); + } + // Increase ounter for the index of the button + i++; + } + } + + // Draw divider lines + display.drawFastVLine(box_width, 0, height, SH110X_WHITE); + display.drawFastVLine(box_width*2, 0, height, SH110X_WHITE); + display.drawFastHLine(0, box_height, width, SH110X_WHITE); + + // Render Descriptions on top (hence another loop) + i = 0; + // Draw boxes (2 rows, 3 columns) + for (int box_y=0; box_y<2; box_y++) { + for (int box_x=0; box_x<3; box_x++) { + grid_buttons_[i].renderDescription(); + i++; + } + } + } +}; + + +#endif \ No newline at end of file diff --git a/src/buttons.h b/src/buttons.h new file mode 100644 index 0000000..4ab6d99 --- /dev/null +++ b/src/buttons.h @@ -0,0 +1,165 @@ +#include "wiring_constants.h" +#ifndef Buttons_h +#define Buttons_h + +#include "Arduino.h" +#include "Adafruit_SH110X.h" +#include "Adafruit_GFX.h" +extern Adafruit_SH1106G display; + +#define DURATION_SHORT_PRESS 800 +#define DURATION_VERY_LONG_PRESS 2000 + + + + + +class Button { + int pin; + bool has_been_pressed; + unsigned long press_start; + unsigned long release_start; + std::function<void()> onPressFunction; + std::function<void()> onHoldFunction; + std::function<void()> onLongHoldFunction; + std::function<void()> onVeryLongHoldFunction; + std::function<void()> onLongPressFunction; + std::function<void()> onVeryLongPressFunction; + std::function<void()> onReleasedFunction; + + public: + Button(int pin); + void init(); + void read(); + unsigned long pressed_since(); + unsigned long released_since(); + + void onPress(std::function<void()> f); + void onHold(std::function<void()> f); + void onLongHold(std::function<void()> f); + void onVeryLongHold(std::function<void()> f); + void onLongPress(std::function<void()> f); + void onVeryLongPress(std::function<void()> f); + void onReleased(std::function<void()> f); + + void reset(); +}; + +Button::Button(int pin) { + this->pin = pin; +} + +void Button::init() { + pinMode(this->pin, INPUT_PULLUP); + this->has_been_pressed = false; + this->press_start = 0; + this->release_start = 0; +} + +void Button::read() { + int is_pressed = !digitalRead(this->pin); + + if (is_pressed && this->press_start == 0) { + this->press_start = millis(); + } + if (!is_pressed && this->has_been_pressed && this->release_start == 0) { + this->release_start = millis(); + } + + unsigned long pressed_since = this->pressed_since(); + unsigned long released_since = this->released_since(); + + if (is_pressed) { + // Fire the callback function all the time while this is being pressed + if (this->onHoldFunction) { this->onHoldFunction(); } + + if (this->pressed_since() > 1000) { + if (this->onLongHoldFunction) { this->onLongHoldFunction(); } + } + if (this->pressed_since() > 5000) { + if (this->onVeryLongHoldFunction) { this->onVeryLongHoldFunction(); } + } + // Serial.print("Pressed since "); + // Serial.println(pressed_since); + if ( released_since > 100) { + this->has_been_pressed = false; + } + } else { + // Not pressed. + if (!this->has_been_pressed) { + if (pressed_since > 0 && pressed_since < DURATION_SHORT_PRESS) { + if (this->onPressFunction) { this->onPressFunction(); } + // Serial.print("Short Press (released after "); + // Serial.print(pressed_since); + // Serial.print(", released since "); + // Serial.print(released_since); + } else if (pressed_since > 0 && pressed_since < DURATION_VERY_LONG_PRESS) { + if (this->onLongPressFunction) { this->onLongPressFunction(); } + // Serial.print("Long Press (released after "); + // Serial.print(pressed_since); + // Serial.println(")"); + } else if (pressed_since > 0 && pressed_since >= DURATION_VERY_LONG_PRESS) { + if (this->onVeryLongPressFunction) { this->onVeryLongPressFunction(); } + // Serial.print("Very Long Press (released after "); + // Serial.print(pressed_since); + // Serial.println(")"); + } + this->press_start = 0; + this->has_been_pressed = true; + this->release_start = millis(); + if (this->onReleasedFunction) { this->onReleasedFunction(); } + } + } +} + +unsigned long Button::pressed_since() { + if ( this->press_start == 0) { + return 0; + } + return millis() - this->press_start; +} + +unsigned long Button::released_since() { + if ( this->release_start == 0) { + return 0; + } + return millis() - this->release_start; +} + +void Button::onPress(std::function<void()> f) { + this->onPressFunction = f; +} + +void Button::onHold(std::function<void()> f) { + this->onHoldFunction = f; +} + +void Button::onLongHold(std::function<void()> f) { + this->onLongHoldFunction = f; +} + +void Button::onVeryLongHold(std::function<void()> f) { + this->onVeryLongHoldFunction = f; +} + +void Button::onLongPress(std::function<void()> f) { + this->onLongPressFunction = f; +} + +void Button::onVeryLongPress(std::function<void()> f) { + this->onVeryLongPressFunction = f; +} + +void Button::onReleased(std::function<void()> f) { + this->onReleasedFunction = f; +} + +void Button::reset() { + this->onPressFunction = NULL; + this->onHoldFunction = NULL; + this->onLongPressFunction = NULL; + this->onVeryLongPressFunction = NULL; +} + + +#endif \ No newline at end of file diff --git a/src/daisy-looper.ino b/src/daisy-looper.ino new file mode 100644 index 0000000..b19ec18 --- /dev/null +++ b/src/daisy-looper.ino @@ -0,0 +1,467 @@ +#include "DaisyDuino.h" +#include <Wire.h> +#include <Adafruit_GFX.h> +#include <Adafruit_SH110X.h> +#include <MIDI.h> + +#include "leds.h" +#include "potentiometers.h" +#include "buttons.h" +#include "looper.h" +#include "env_follower.h" +#include "helpers.h" +#include "luts.h" +#include "ui.h" +#include "lfo.h" + +MIDI_CREATE_DEFAULT_INSTANCE(); +#define BUFFER_LENGTH_SECONDS 5 + +#define DEBUGMODE + +static const size_t buffer_length = 48000 * BUFFER_LENGTH_SECONDS; +static float DSY_SDRAM_BSS buffer[buffer_length]; +static float DSY_SDRAM_BSS buffer_b[buffer_length]; +static float DSY_SDRAM_BSS buffer_c[buffer_length]; +static float DSY_SDRAM_BSS buffer_d[buffer_length]; +static float DSY_SDRAM_BSS buffer_e[buffer_length]; + + +// Create instances of audio stuff +atoav::Looper looper_a, looper_b, looper_c, looper_d, looper_e; +static atoav::EnvelopeFollower input_envelope_follower; +DSY_SDRAM_BSS ReverbSc reverb; +static Compressor compressor; +Oscillator lfo; +static SampleHold sample_and_hold; +static WhiteNoise noise; +static Metro tick; +static Easer easer; + +// Initialize Buttons +Button button_1 = Button(D7); +Button button_2 = Button(D8); +Button button_3 = Button(D9); +Button button_4 = Button(D10); +Button button_5 = Button(D13); +Button button_6 = Button(D27); + +// Initialize Potentiometers +Potentiometer pot_1 = Potentiometer(A0); +Potentiometer pot_2 = Potentiometer(A1); +Potentiometer pot_3 = Potentiometer(A3); +Potentiometer pot_4 = Potentiometer(A2); +Potentiometer pot_5 = Potentiometer(A4); +Potentiometer pot_6 = Potentiometer(A5); +Potentiometer pot_7 = Potentiometer(A6); + +// RGB LED R G B +RGBLed rgb_led = RGBLed(A10, A11, A9); + + +// OLED Display +#define SCREEN_WIDTH 128 // OLED display width, in pixels +#define SCREEN_HEIGHT 64 // OLED display height, in pixels +#define OLED_RESET -1 // QT-PY / XIAO +Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); + +// User Interface +Ui ui; + +// Daisy +DaisyHardware hw; + +// Variables for the Audio-Callback +size_t num_channels; +float blocksize; +float drywetmix = 0.0f; +float volume = 1.0f; +float reverbmix = 0.0f; +float lfo_amount = 0.0f; +float pitch_val = 0.5f; +float midi_pitch_offset = 0.0f; + +float reverb_tone = 15000.0f; +float reverb_decay = 0.95f; +float lfo_speed = 8.0f; +int lfo_kind = 0; +float rand_pitch_mod = 0.0f; + +//float pressure = 0.0f; + +// Actual audio-processing is orchestrated here +void AudioCallback(float **in, float **out, size_t size) { + float output1, output2 = 0.0f; + float out1, out2; + reverb.SetFeedback(reverb_decay); + reverb.SetLpFreq(reverb_tone); + lfo.SetFreq(lfo_speed); + tick.SetFreq(lfo_speed); + + // Iterate through the samples in the buffer + for (size_t i = 0; i < size; i++) { + float lfo_value = 0.0f; + switch (lfo_kind) { + case LfoKind::LFO_KIND_TRI: + lfo.SetWaveform(Oscillator::WAVE_TRI); + lfo_value = lfo.Process(); + break; + case LfoKind::LFO_KIND_SQR: + lfo.SetWaveform(Oscillator::WAVE_SQUARE); + lfo_value = lfo.Process(); + break; + default: + break; + } + + tick.SetFreq(0.25f+lfo_speed*49.75f); + uint8_t trig = tick.Process(); + float noise_value = noise.Process(); + + switch (lfo_kind) { + case LfoKind::LFO_KIND_RAND: + easer.setFactor(0.01); + break; + case LfoKind::LFO_KIND_JUMP: + easer.setFactor(1.0); + break; + } + + float rand = easer.Process( + sample_and_hold.Process( + trig, + noise_value * 5.0f, + sample_and_hold.MODE_SAMPLE_HOLD + )); + + if (ui.rec_source == REC_SOURCE_NOISE) { + ui.activeLooper()->Record(noise_value * 0.5f); + } + // When the metro ticks, trigger the envelope to start. + float random_amount = lfo_amount * 2.0; + + if (trig) { + // Random LFO + switch (lfo_kind) { + case LfoKind::LFO_KIND_RAND: + rand_pitch_mod = rand * random_amount * 5.0f; + break; + case LfoKind::LFO_KIND_JUMP: + // Chance + if (drand(0.0f, 1.0f) < lfo_amount) { + ui.activeLooper()->addToPlayhead(rand * random_amount * 8000.0f); + } + break; + default: + break; + } + } + + // Add the LFO to the signal if it is active + switch (lfo_kind) { + case LfoKind::LFO_KIND_TRI: + case LfoKind::LFO_KIND_SQR: + ui.activeLooper()->setPlaybackSpeed(pitch_val + lfo_value * lfo_amount + midi_pitch_offset); + break; + case LfoKind::LFO_KIND_RAND: + ui.activeLooper()->setPlaybackSpeed(pitch_val + rand_pitch_mod + midi_pitch_offset); + break; + default: + ui.activeLooper()->setPlaybackSpeed(pitch_val + midi_pitch_offset); + break; + } + + + float looper_out; + + if (ui.rec_source == REC_SOURCE_PRE) { + ui.activeLooper()->Record(in[1][i]); + } + + if (ui.rec_source == REC_SOURCE_LAST_BUF) { + // FIXME: This might process the previous looper twice later below, add check... + ui.activeLooper()->Record(ui.previousLooper()->Process()); + } + + // Process the input envelope + input_envelope_follower.Process(in[1][i]); + + // Process the Looper + switch (ui.buffer_summing_mode) { + case BUFFER_SUM_MODE_SOLO: + // Only play active looper + looper_out = ui.activeLooper()->Process(); + break; + case BUFFER_SUM_MODE_SUM: + // Sum all loopers + looper_out = looper_a.Process(); + looper_out += looper_b.Process(); + looper_out += looper_c.Process(); + looper_out += looper_d.Process(); + looper_out += looper_e.Process(); + looper_out = looper_out; + break; + case BUFFER_SUM_MODE_RING: + // Sum all loopers and ringmodulate with input + looper_out = looper_a.Process(); + looper_out += looper_b.Process(); + looper_out += looper_c.Process(); + looper_out += looper_d.Process(); + looper_out += looper_e.Process(); + float deadbanded_input; + if (in[1][i] < 0.0f) { + deadbanded_input = min(0.0f, in[1][i] + 0.05f); + } else { + deadbanded_input = max(0.0f, in[1][i] - 0.05f); + } + looper_out *= deadbanded_input*2.0f; + looper_out = looper_out; + break; + } + + // looper_out = pressure * looper_out; + looper_out = saturate(volume * looper_out); + + // Mix the dry/Wet of the looper + output1 = output2 = drywetmix * looper_out + in[1][i] * (1.0f - drywetmix); + + // Compress the signal + compressor.Process(output1); + + // Process reverb + reverb.Process(output1, output1, &out1, &out2); + + // Short decays are silent, so increase level here + float dec_fac = 1.0f + (1.0f - reverb_decay) * 2.0f; + out1 = out1 * dec_fac; + out2 = out2 * dec_fac; + + // Mix reverb with the dry signal depending on the amount dialed + output1 = output1 * (1.0f - reverbmix) + out1 * reverbmix; + output2 = output1 * (1.0f - reverbmix) + out2 * reverbmix; + + // Record the output if needed + if (ui.rec_source == REC_SOURCE_OUT) { + ui.activeLooper()->Record(output1); + } + + out[0][i] = output1; + out[1][i] = output2; + } +} + +// TODO: Add Voice Stealing/Multiple Playheads? +// TODO: Is USB Midi possible? https://github.com/electro-smith/DaisyExamples/blob/master/seed/USB_MIDI/USB_MIDI.cpp + +void handleNoteOn(byte inChannel, byte inNote, byte inVelocity) { + #ifdef DEBUGMODE + Serial.print("[MIDI ON] chn<"); + Serial.print((int) inChannel); + Serial.print("> note<"); + Serial.print((int) inNote); + Serial.print("> velocity<"); + Serial.print((int) inVelocity); + Serial.println(">"); + #endif + // Note Off can come in as Note On w/ 0 Velocity + if (inVelocity == 0.0f) { + midi_pitch_offset = 0.0f; + } + else { + midi_pitch_offset = (int(inNote)-36.0)/12.0f; + } +} + + + +void handleNoteOff(byte inChannel, byte inNote, byte inVelocity) { + #ifdef DEBUGMODE + Serial.print("[MIDI OFF] chn<"); + Serial.print((int) inChannel); + Serial.print("> note<"); + Serial.print((int) inNote); + Serial.print("> velocity<"); + Serial.print((int) inVelocity); + Serial.println(">"); + #endif + midi_pitch_offset = 0.0f; +} + +// void handleAftertouch(byte channel, byte channel_pressure) { +// #ifdef DEBUGMODE +// Serial.print("[MIDI AFTER] chn<"); +// Serial.print((int) channel); +// Serial.print("> pressure<"); +// Serial.print((int) channel_pressure); +// Serial.println(">"); +// #endif +// pressure = float(channel_pressure)/127.0f; +// } + + + +void setup() { + float sample_rate; + // Initialize for Daisy pod at 48kHz + hw = DAISY.init(DAISY_SEED, AUDIO_SR_48K); + DAISY.SetAudioBlockSize(64); + num_channels = hw.num_channels; + sample_rate = DAISY.get_samplerate(); + blocksize = 64.0f; + + // Create a Tick and a noise source for the Sample and Hold + tick.SetFreq(1.0f+lfo_amount*99.0f); + tick.Init(10, sample_rate); + noise.Init(); + + // Initialize Looper with the buffer + looper_a.Init(buffer, buffer_length); + looper_b.Init(buffer_b, buffer_length); + looper_c.Init(buffer_c, buffer_length); + looper_d.Init(buffer_d, buffer_length); + looper_e.Init(buffer_e, buffer_length); + + // Initialize Envelope Follower for the Level LED + input_envelope_follower.Init(sample_rate); + input_envelope_follower.SetAttack(100.0); + input_envelope_follower.SetDecay(1000.0); + + // Initialize Reverb + reverb.Init(sample_rate); + reverb.SetFeedback(reverb_decay); + reverb.SetLpFreq(reverb_tone); + + // Initialize Compressor + compressor.SetThreshold(-64.0f); + compressor.SetRatio(2.0f); + compressor.SetAttack(0.005f); + compressor.SetRelease(0.1250); + + // Initialize the LFO for modulations + lfo.Init(sample_rate); + lfo.SetWaveform(Oscillator::WAVE_TRI); + lfo.SetAmp(1); + lfo.SetFreq(lfo_speed); + + // Easer for the random jumps + easer.setFactor(0.001); + + // Start serial communications + Serial.begin(250000); + + // Initialize Display + display.begin(0x3C, true); + delay(50); + ui.Render(); + + // Initialize the LED + rgb_led.init(); + + // Set the analog read and write resolution to 12 bits + analogReadResolution(12); + + // Setup MIDI handlers + MIDI.setHandleNoteOn(handleNoteOn); + MIDI.setHandleNoteOff(handleNoteOff); + // MIDI.setHandleAfterTouchChannel(handleAftertouch); + + MIDI.begin(MIDI_CHANNEL_OMNI); // Listen to all incoming messages + + // Set Knob names and display functions + pot_1.name = "Start"; + pot_2.name = "Length"; + pot_3.setDisplayMode("Speed", 1000.0f, POT_DISPLAY_MODE_PERCENT); + pot_4.setDisplayMode("Mix", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_5.setDisplayMode("LFO", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_6.setDisplayMode("Volume", 400.0f, POT_DISPLAY_MODE_PERCENT); + pot_7.setDisplayMode("Reverb", 100.0f, POT_DISPLAY_MODE_PERCENT); + + // Set Knob Scaling Modes + // pot_3.setBipolar(); + pot_3.setPitch(); + + // Initialize Buttons (callbacks are assigned in the Ui class) + button_1.init(); + button_2.init(); + button_3.init(); + button_4.init(); + button_5.init(); + button_6.init(); + + // Start the audio Callback + DAISY.begin(AudioCallback); +} + +void loop() { + // Read the values from the potentiometers + float p1 = pot_1.read(); + float p2 = pot_2.read(); + float p3 = pot_3.read(); + float p4 = pot_4.read(); + float p5 = pot_5.read(); + float p6 = pot_6.read(); + float p7 = pot_7.read(); + + // Update the UI + ui.update(); + + // Read the buttons + button_1.read(); + button_2.read(); + button_3.read(); + button_4.read(); + button_5.read(); + button_6.read(); + + // Set loop-start and loop-length with the potentiometers + ui.setLoop(p1, p2); + + // Tune the pitch to the ten-fold of the potentiometer 3, + // a bipolar pot, so it returns values from -1.0 to +1.0 + // Pitch should go 10 octaves up/down (10*1.0 = 1000%) + if (!isnan(p3)) {pitch_val = 10.0f * p3; } + + // Set other parameters (from 0.0 to 1.0) + if (!isnan(p4)) { drywetmix = p4; } + + switch (ui.fx_mode) { + case FX_MODE_ALL: + if (!isnan(p5)) { lfo_amount = p5; } + if (!isnan(p6)) { volume = p6 * 4.0f; } + if (!isnan(p7)) { reverbmix = p7; } + break; + case FX_MODE_REVERB: + if (!isnan(p5)) { reverb_tone = 50.0f + p5 * 20000.0f; } + // TODO: Short Reverb Decay times are too silent? + if (!isnan(p6)) { reverb_decay = 0.05f + p6 * 0.94f; } + if (!isnan(p7)) { reverbmix = p7; } + break; + case FX_MODE_LFO: + if (!isnan(p5)) { lfo_kind = p5; } + if (!isnan(p6)) { lfo_speed = (p6 * p6 *p6) * 100.0f; } + if (!isnan(p7)) { lfo_amount = p7; } + break; + case FX_MODE_GRAIN: + if (!isnan(p5)) { ui.activeLooper()->grain_count = 1+int(p5); } + if (!isnan(p6)) { ui.activeLooper()->grain_spread = p6*10.0f; } + if (!isnan(p7)) { ui.activeLooper()->grain_variation = p7; } + break; + } + + // Render the UI (frame rate limited by UI_MAX_FPS in ui.h) + // double start = millis(); + ui.Render(); + // Serial.print("ui Render took "); + // Serial.print(millis()-start); + // Serial.println("ms"); + + // Set the Color and brightness of the RGB LED in 8 bits + rgb_led.setAudioLevelIndicator(input_envelope_follower.getValue()); + + // MIDI + MIDI.read(); +} + + + + diff --git a/src/env_follower.h b/src/env_follower.h new file mode 100644 index 0000000..b3a1239 --- /dev/null +++ b/src/env_follower.h @@ -0,0 +1,91 @@ +#include "wiring_constants.h" +#ifndef Env_follower_h +#define Env_follower_h +#include "Arduino.h" + +namespace atoav { + +class SmoothingFilter { + public: + void Init(float smoothing_time_ms, float sample_rate) { + a = exp(-TWO_PI / (smoothing_time_ms * 0.001f * sample_rate)); + b = 1.0f - a; + z = 0.0f; + } + + inline float Process(float in) { + z = (in * b) + (z * a); + return z; + } + + void setSmoothing(float smoothing_time_ms, float sample_rate) { + a = exp(-TWO_PI / (smoothing_time_ms * 0.001f * sample_rate)); + b = 1.0f - a; + } + + private: + float a; + float b; + float z; +}; + + +class EnvelopeFollower { + public: + void Init(float sample_rate) { + sample_rate = sample_rate; + attack = 200.0f; + decay = 4000.0f; + smoothing = 50.0f; + value = 0.0f; + smoothing_filter.Init(smoothing, sample_rate); + } + + void SetAttack(float attack_ms) { + attack = pow(0.01, 1.0 / (attack_ms * sample_rate * 0.001)); + } + + void SetDecay(float decay_ms) { + decay = pow(0.01, 1.0 / (decay_ms * sample_rate * 0.001)); + } + + void SetSmoothing(float smoothing_ms) { + smoothing_filter.setSmoothing(smoothing_ms, sample_rate); + } + + float Process(float in) { + abs_value = smoothing_filter.Process(abs(in)); + if (abs_value > value) { + value = attack * (value - abs_value) + abs_value; + } else { + value = decay * (value - abs_value) + abs_value; + } + return value; + } + + float value; + + float getValue() { + if (value == 0.0f || value == -0.0f) { + return value; + } + return max(0.0f, (3.0f + log10(value)) / 3.0f); + // return value; + } + + + private: + float sample_rate; + float attack; + float decay; + float smoothing; + float abs_value = 0.0f; + SmoothingFilter smoothing_filter; +}; +}; + + + + + +#endif \ No newline at end of file diff --git a/src/helpers.h b/src/helpers.h new file mode 100644 index 0000000..2f6601a --- /dev/null +++ b/src/helpers.h @@ -0,0 +1,158 @@ +#ifndef Helpers_h +#define Helpers_h + +#include "Adafruit_SH110X.h" +#include "Adafruit_GFX.h" +extern Adafruit_SH1106G display; + + + +int centeredText(const char *buf, int x, int y, int color, int lineheight=8) { + int16_t x1, y1; + uint16_t w, h; + char *line_pointer = strchr(buf, '\n'); + display.setTextColor(color); + if (!line_pointer) { + display.getTextBounds(buf, 0, 0, &x1, &y1, &w, &h); //calc width of new string + display.setCursor(x - (w / 2), y - (h / 2)); + display.print(buf); + }else { + char *tmp = strdup(buf); + char* d = strtok(tmp, "\n"); + int line = 0; + while (d != NULL) { + display.getTextBounds(d, 0, 0, &x1, &y1, &w, &h); //calc width of new string + display.setCursor(x - (w / 2), y - (h / 2)-lineheight/2 + (line*lineheight)); + display.print(d); + d = strtok(NULL, ","); + line++; + } + free(tmp); + } + return w; +} + +int centeredTextMark(const char *buf, int x, int y, int color, int underline_line=0, int lineheight=8) { + int16_t x1, y1; + uint16_t w, h; + char *line_pointer = strchr(buf, '\n'); + display.setTextColor(color); + if (!line_pointer) { + display.getTextBounds(buf, 0, 0, &x1, &y1, &w, &h); //calc width of new string + int x_start = x - (w / 2); + int y_start = y - (h / 2); + display.setCursor(x_start, y_start); + if (underline_line == 1) { + display.drawFastHLine(x_start-2, y_start+lineheight, w+4, color); + } + display.print(buf); + }else { + char *tmp = strdup(buf); + char* d = strtok(tmp, "\n"); + int line = 0; + while (d != NULL) { + display.getTextBounds(d, 0, 0, &x1, &y1, &w, &h); //calc width of new string + int x_start = x - (w / 2); + int y_start = y - (h / 2)-lineheight/2 + (line*lineheight); + display.setCursor(x_start, y_start); + display.print(d); + d = strtok(NULL, ","); + if (underline_line == 1) { + display.drawFastHLine(x_start-2, y_start+lineheight, w+4, color); + } + line++; + } + free(tmp); + } + return w; +} + + +int centeredTextMarkMulti(const char *buf, int x, int y, int color, int underline_line=0, int lineheight=8) { + int16_t x1, y1; + uint16_t w, h; + char *line_pointer = strchr(buf, '\n'); + display.setTextColor(color); + if (!line_pointer) { + display.getTextBounds(buf, 0, 0, &x1, &y1, &w, &h); //calc width of new string + int x_start = x - (w / 2); + int y_start = y - (h / 2); + display.setCursor(x_start, y_start); + if (underline_line == 1) { + display.drawFastHLine(x_start-2, y_start, w+4, color); + } + display.print(buf); + }else { + char *tmp = strdup(buf); + char* d = strtok(tmp, "\n"); + int line = 0; + while (d != NULL) { + display.getTextBounds(d, 0, 0, &x1, &y1, &w, &h); //calc width of new string + int x_start = x - (w / 2); + int y_start = y - (h / 2)-lineheight/2 + (line*lineheight); + display.setCursor(x_start, y_start); + display.print(d); + d = strtok(NULL, ","); + if (line == underline_line) { + display.drawFastHLine(x_start-2, y_start+lineheight-3, w+4, color); + } + line++; + } + free(tmp); + } + return w; +} + +int button_multi(const char *buf, int x, int y, int color, int underline_line=0, int lines=0) { + int16_t x1, y1; + uint16_t w, h; + display.setTextColor(color); + char *tmp = strdup(buf); + int line = 0; + char* pch = NULL; + pch = strtok(tmp, "\n"); + + int radius = 2; + int cell_width = 128/3; + int left_x = x - (cell_width/2); + int margin = 10; + int circle_start_x = left_x + margin; + int spacing = (cell_width - margin - margin) / lines; + + while (pch != NULL){ + // Draw Option-Circles + display.drawCircle(circle_start_x + line*spacing, y+7, radius, SH110X_WHITE); + // Only display the active text + if (line == underline_line) { + display.getTextBounds(pch, 0, 0, &x1, &y1, &w, &h); //calc width of new string + int x_start = x - (w / 2); + int y_start = y - (h / 2)-7; + display.setCursor(x_start, y_start); + display.print(pch); + // On the active option, draw a filled circle + display.fillCircle(circle_start_x + line*spacing, y+7, radius, SH110X_WHITE); + } + line++; + pch = strtok(NULL, "\n"); + } + free(tmp); + return w; +} + +float saturate(float x) { + if (x < -3.0f) { + return -1.0f; + } else if (x > 3.0f) { + return 1.0f; + } else { + return x * (27.0f + x * x ) / (27.0f + 9.0f * x * x); + } +} + + +double drand(double minf, double maxf){ + return minf + random(1UL << 31) * (maxf - minf) / (1UL << 31); // use 1ULL<<63 for max double values) +} + + +#endif \ No newline at end of file diff --git a/src/leds.h b/src/leds.h new file mode 100644 index 0000000..5c4a816 --- /dev/null +++ b/src/leds.h @@ -0,0 +1,78 @@ +#ifndef Leds_h +#define Leds_h +#include "Arduino.h" +#include "luts.h" + + +// Lookup Curves LED Red b +float red_lut_x[] = {170.0, 173.5, 177.0, 180.5, 184.0, 187.5, 191.0, 194.5, 198.0, 201.5, 205.0, 208.5, 212.0, 215.5, 219.0, 222.5, 240.0, 240.75, 241.5, 242.25, 243.0, 243.75, 244.5, 245.25, 246.0, 246.75, 247.5, 248.25, 249.0, 249.75, 250.5, 251.25, 255}; +float red_lut_y[] = {0.0, 0.0037500000000000007, 0.030000000000000006, 0.10125000000000003, 0.24000000000000005, 0.46875, 0.8100000000000003, 1.2862500000000003, 1.9200000000000004, 2.7337500000000006, 3.75, 4.991250000000002, 6.480000000000002, 8.238750000000001, 10.290000000000003, 12.65625, 30.0, 31.1503125, 32.4525, 34.0584375, 36.12, 38.7890625, 42.2175, 46.5571875, 51.96, 58.5778125, 66.5625, 76.06593750000002, 87.24000000000001, 100.23656250000002, 115.20750000000002, 132.3046875, 255}; +size_t red_lut_len = 33; + +// Lookup Curves LED Green b +float green_lut_x[] = {10.0, 18.5, 27.0, 35.5, 44.0, 52.5, 61.00000000000001, 69.5, 78.0, 86.5, 95.0, 103.50000000000001, 112.00000000000001, 120.5, 129.0, 137.5, 180.0, 183.5, 187.0, 190.5, 194.0, 197.5, 201.0, 204.5, 208.0, 211.5, 215.0, 218.5, 222.0, 225.5, 229.0, 232.5, 250}; +float green_lut_y[] = {0.0, 0.0075000000000000015, 0.06000000000000001, 0.20250000000000007, 0.4800000000000001, 0.9375, 1.6200000000000006, 2.5725000000000007, 3.8400000000000007, 5.467500000000001, 7.5, 9.982500000000003, 12.960000000000004, 16.477500000000003, 20.580000000000005, 25.3125, 60.0, 56.43, 52.92, 49.47, 46.08, 42.75, 39.48, 36.269999999999996, 33.120000000000005, 30.029999999999998, 27.000000000000007, 24.03, 21.119999999999997, 18.269999999999996, 15.480000000000004, 12.750000000000007, 0}; +size_t green_lut_len = 33; + +// Lookup Curves LED Blue b +float blue_lut_x[] = {0.0, 2.0, 4.0, 6.000000000000001, 8.0, 10.0, 12.000000000000002, 14.000000000000002, 16.0, 18.0, 20.0, 22.0, 24.000000000000004, 26.0, 28.000000000000004, 30.0, 40.0, 46.5, 53.0, 59.5, 66.0, 72.5, 79.0, 85.5, 92.0, 98.5, 105.0, 111.5, 118.00000000000001, 124.5, 131.0, 137.5, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0, 170.0}; +float blue_lut_y[] = {0.0, 0.10099999999999998, 0.20799999999999996, 0.327, 0.46399999999999997, 0.6249999999999999, 0.8160000000000001, 1.0430000000000001, 1.312, 1.629, 1.9999999999999998, 2.4310000000000005, 2.928000000000001, 3.497, 4.144000000000001, 4.875, 10.0, 9.025, 8.1, 7.225, 6.4, 5.625, 4.9, 4.225, 3.5999999999999996, 3.0250000000000004, 2.5, 2.0249999999999986, 1.5999999999999996, 1.2250000000000014, 0.9000000000000004, 0.625, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}; +size_t blue_lut_len = 48; + + + + + +class RGBLed { + int pin_red; + int pin_green; + int pin_blue; + float level = 0.0f; + Easer easer; + + public: + RGBLed(int pin_red, int pin_green, int pin_blue); + void init(); + void off(); + void setColor(int r, int g, int b); + void setAudioLevelIndicator(float envelope_value); +}; + +RGBLed::RGBLed(int pin_red, int pin_green, int pin_blue) { + this->pin_red = pin_red; + this->pin_green = pin_green; + this->pin_blue = pin_blue; + this->easer.setFactor(0.7); +} + +void RGBLed::init() { + pinMode(this->pin_red, OUTPUT); + pinMode(this->pin_green, OUTPUT); + pinMode(this->pin_blue, OUTPUT); +} + +void RGBLed::off() { + digitalWrite(this->pin_red, LOW); + digitalWrite(this->pin_green, LOW); + digitalWrite(this->pin_blue, LOW); +} + +void RGBLed::setColor(int r, int g, int b) { + r = min(255, max(0, r)); + g = min(255, max(0, g)); + b = min(255, max(0, b)); + analogWrite(this->pin_red, r); + analogWrite(this->pin_green, g); + analogWrite(this->pin_blue, b); +} + +void RGBLed::setAudioLevelIndicator(float envelope_value) { + level = easer.Process(envelope_value); + int brightness = int(min(255.0f, max(0.0f, level * 255))); + int red = get_from_xy_table(red_lut_x, red_lut_y, brightness, red_lut_len); + int green = get_from_xy_table(green_lut_x, green_lut_y, brightness, green_lut_len); + int blue = get_from_xy_table(blue_lut_x, blue_lut_y, brightness, blue_lut_len); + this->setColor(red, green, blue); +} + +#endif \ No newline at end of file diff --git a/src/lfo.h b/src/lfo.h new file mode 100644 index 0000000..a91cdb6 --- /dev/null +++ b/src/lfo.h @@ -0,0 +1,9 @@ +#pragma once + +enum LfoKind { + LFO_KIND_TRI, + LFO_KIND_SQR, + LFO_KIND_RAND, + LFO_KIND_JUMP, + LFO_KIND_NONE, +}; \ No newline at end of file diff --git a/src/looper.h b/src/looper.h new file mode 100644 index 0000000..594ae1a --- /dev/null +++ b/src/looper.h @@ -0,0 +1,468 @@ +#pragma once + +#include "luts.h" + +namespace atoav { + +enum RecPitchMode { + REC_PITCH_MODE_NORMAL, + REC_PITCH_MODE_UNPITCHED, + REC_PITCH_MODE_LAST, +}; + +enum RecStartMode { + REC_START_MODE_BUFFER, + REC_START_MODE_LOOP, + REC_START_MODE_PLAYHEAD, + REC_START_MODE_LAST, +}; + +enum PlaybackState { + PLAYBACK_STATE_STOPPED, + PLAYBACK_STATE_LOOP, + PLAYBACK_STATE_MULTILOOP, + PLAYBACK_STATE_MIDI, + PLAYBACK_STATE_LAST, +}; + +enum RecordingState { + REC_STATE_EMPTY, + REC_STATE_RECORDING, + REC_STATE_OVERDUBBING, + REC_STATE_ERASING, + REC_STATE_NONE, + REC_STATE_LAST, +}; + +// ================================================= +// = H E A D = +// ================================================= + +class Head { + public: + Head(); + void activate(); + void deactivate(); + bool isActive(); + void setPosition(float value); + void reset(); + void setIncrement(float value); + void incrementBy(float value); + void slowDown(); + void reverse(); + void speedUp(); + void update(); + float read(); + float increment = 1.0f; + float variation = 0.0f; + float variation_amount = 0.0f; + float speed_multiplier = 1.0f; + private: + bool active = true; + float position = 0.0f; +}; + +Head::Head() { + variation = random(-0.1f, 0.1f); +} +void Head::activate() { + this->active = true; +} +void Head::deactivate() { + this->active = false; +} +bool Head::isActive() { + return active; +} +void Head::reset() { + this->position = 0.0f; +} +void Head::setPosition(float value) { + this->position = value * speed_multiplier; +} +void Head::setIncrement(float value) { + this->increment = value; +} +void Head::incrementBy(float value) { + this->position += value; +} +void Head::slowDown() { + this->speed_multiplier = max(0.0f, this->speed_multiplier - 0.0025f); +} +void Head::reverse() { + this->speed_multiplier = -abs(this->speed_multiplier ); +} +void Head::speedUp() { + this->speed_multiplier = 1.0f; +} +void Head::update() { + this->position += (this->increment + (variation * variation_amount)) * speed_multiplier; +} +float Head::read() { + return this->position; +} + + +// ================================================= +// = L O O P E R = +// ================================================= + +class Looper { + public: + Looper(); + void Init(float *buf, size_t buf_size); + void SetRecord(); + void SetOverdub(); + void SetErase(); + void SetStopWriting(); + bool isWriting(); + void ResetRecHead(); + void SetLoop(float loop_start_time, float loop_length_time); + void Record(float in); + float Process(); + float* getBuffer(); + size_t getBufferLength(); + void setRecPitchMode(RecPitchMode mode); + void setRecStartMode(RecStartMode mode); + float GetPlayhead(); + float* GetPlayheads(); + uint8_t GetPlayheadCount(); + float GetRecHead(); + bool toggleRecMode(); + void setRecModeFull(); + void setRecModeLoop(); + void setRecModeFullShot(); + void setRecModeLoopShot(); + void setPlaybackSpeed(float increment); + void addToPlayhead(float value); + void slowDown(); + void reverse(); + void restart(); + void speedUp(); + float loop_start_f = 0.0f; + float loop_length_f = 1.0f; + uint8_t grain_count = 8; + float grain_spread = 2.0f; + float grain_variation = 0.0f; + RecPitchMode rec_pitch_mode = REC_PITCH_MODE_NORMAL; + RecStartMode rec_start_mode = REC_START_MODE_BUFFER; + PlaybackState playback_state = PLAYBACK_STATE_LOOP; + RecordingState recording_state = REC_STATE_EMPTY; + + private: + static const size_t kFadeLength = 200; + static const size_t kMinLoopLength = 2 * kFadeLength; + + float* buffer; + size_t buffer_length = 0; + + Head playheads[9]; + Head rec_head; + + size_t loop_start = 0; + size_t loop_length = 48000; + + bool stop_after_recording = false; + bool stay_within_loop = true; + +}; + + +Looper::Looper() {} + +void Looper::Init(float *buf, size_t buf_size) { + buffer = buf; + buffer_length = buf_size; + memset(buffer, 0, sizeof(float) * buffer_length); +} + +void Looper::SetRecord() { + recording_state = REC_STATE_RECORDING; + ResetRecHead(); + rec_head.activate(); +} + +void Looper::SetOverdub() { + recording_state = REC_STATE_OVERDUBBING; + ResetRecHead(); + rec_head.activate(); +} + +void Looper::SetErase() { + recording_state = REC_STATE_ERASING; + ResetRecHead(); + rec_head.activate(); +} + +void Looper::SetStopWriting() { + recording_state = REC_STATE_NONE; + rec_head.deactivate(); +} + +bool Looper::isWriting() { + return recording_state == REC_STATE_RECORDING + || recording_state == REC_STATE_OVERDUBBING + || recording_state == REC_STATE_ERASING; +} + +void Looper::ResetRecHead() { + if (isWriting()) { + switch (rec_start_mode) { + case REC_START_MODE_LOOP: + rec_head.setPosition(loop_start % buffer_length); + break; + case REC_START_MODE_BUFFER: + rec_head.setPosition(0.0f); + break; + case REC_START_MODE_PLAYHEAD: + rec_head.setPosition(fmod(loop_start + playheads[0].read(), float(buffer_length))); + break; + } + } +} + +void Looper::SetLoop(float loop_start_time, float loop_length_time) { + if (!isnan(loop_start_time)) { + loop_start_f = loop_start_time; + loop_start = static_cast<size_t>(loop_start_time * (buffer_length - 1)); + } + if (!isnan(loop_length_time)) { + loop_length_f = loop_length_time; + loop_length = max(kMinLoopLength, static_cast<size_t>(loop_length_time * buffer_length)); + } +} + +void Looper::Record(float in) { + // Overwrite/Add/Erase the buffer depending on the mode + switch (recording_state) { + case REC_STATE_RECORDING: + buffer[int(rec_head.read())] = in; + break; + case REC_STATE_OVERDUBBING: + buffer[int(rec_head.read())] += in; + break; + case REC_STATE_ERASING: + buffer[int(rec_head.read())] = 0.0f; + break; + } + + // Advance the recording head if needed + if (isWriting()) { + // Set Recording head increment depending on the mode + switch (rec_pitch_mode) { + case REC_PITCH_MODE_NORMAL: + rec_head.setIncrement(1.0f); + break; + case REC_PITCH_MODE_UNPITCHED: + rec_head.setIncrement(playheads[0].increment); + break; + } + // Increment recording head + rec_head.update(); + + // Limit the position of the rec head depending on the active mode + if (!stop_after_recording) { + if (!stay_within_loop) { + // record into whole buffer + rec_head.setPosition(fmod(rec_head.read(), float(buffer_length))); + } else { + // Limit rec head to stay inside the loop + rec_head.setPosition(fmod(rec_head.read(), float(loop_start + loop_length))); + rec_head.setPosition(max(float(loop_start), rec_head.read())); + } + } else { + // Stop at end (either end of buffer or end of loop) + if (!stay_within_loop) { + if (rec_head.read() > buffer_length) { SetStopWriting(); } + } else { + if (rec_head.read() > loop_start + loop_length) { SetStopWriting(); } + } + } + + // Ensure the Rec-Head is never without bounds, even when running backwards + if (rec_head.read() > buffer_length) { + rec_head.setPosition(0.0f); + } else if (rec_head.read() < 0) { + rec_head.setPosition(buffer_length); + } + } +} + +float Looper::Process() { + // Early return if buffer is empty or not playing to save performance + if (recording_state == REC_STATE_EMPTY + || playback_state == PLAYBACK_STATE_STOPPED) { + return 0; + } + + // Deactivate all playheads except first if playback state is Loop + switch (playback_state) { + case PLAYBACK_STATE_LOOP: + playheads[0].activate(); + for (size_t i=1; i<9; i++) { + playheads[i].deactivate(); + } + break; + case PLAYBACK_STATE_MULTILOOP: + for (size_t i=0; i<9; i++) { + playheads[i].activate(); + } + break; + case PLAYBACK_STATE_STOPPED: + for (size_t i=0; i<9; i++) { + playheads[i].deactivate(); + } + break; + } + + double mix = 0.0; + + for (size_t i=0; i<grain_count-1; i++) { + // Skip inactive playheads + if (!playheads[i].isActive()) continue; + + // Ensure we are actually inside the buffer + int from_start = int(playheads[i].read()) % loop_length; + int play_pos = loop_start + from_start; + + float vol = 1.0f; + if (from_start <= kFadeLength) { + vol = from_start / float(kFadeLength); + } + int from_end = abs(int(loop_length) - from_start); + if (from_end <= kFadeLength) { + vol = from_end / float(kFadeLength); + } + + // Read from the buffer + mix += buffer[play_pos] * vol; + + // Advance the playhead + playheads[i].update(); + + // Ensure the playhead stays within bounds of the loop + float pos = playheads[i].read(); + if (pos >= loop_length || pos <= 0.0f) { + playheads[i].setPosition(fmod(pos, float(loop_length))); + } + } + return mix; +} + +float Looper::GetPlayhead() { + return float(int(playheads[0].read()) % loop_length) / float(buffer_length); +} + +float* Looper::GetPlayheads() { + static float playhead_positions[9]; + for (size_t i=0; i<9; i++) { + playhead_positions[i] = float(int(playheads[i].read()) % loop_length) / float(buffer_length); + } + return playhead_positions; +} + +uint8_t Looper::GetPlayheadCount() { + return grain_count; +} + +float Looper::GetRecHead() { + return float(rec_head.read()) / float(buffer_length); +} + +bool Looper::toggleRecMode() { + stay_within_loop = !stay_within_loop; + return stay_within_loop; +} + +void Looper::setRecModeFull() { + stay_within_loop = false; + stop_after_recording = false; +} + +void Looper::setRecModeLoop() { + stay_within_loop = true; + stop_after_recording = false; +} + +void Looper::setRecModeFullShot() { + stay_within_loop = false; + stop_after_recording = true; +} + +void Looper::setRecModeLoopShot() { + stay_within_loop = true; + stop_after_recording = true; +} + +void Looper::setPlaybackSpeed(float increment) { + switch (playback_state) { + case PLAYBACK_STATE_LOOP: + playheads[0].setIncrement(increment); + break; + case PLAYBACK_STATE_MULTILOOP: + playheads[0].setIncrement(increment); + for (size_t i=1; i<9; i++) { + playheads[i].variation_amount = grain_variation; + playheads[i].setIncrement(increment + increment*grain_spread); + } + break; + } +} + +void Looper::addToPlayhead(float value) { + switch (playback_state) { + case PLAYBACK_STATE_LOOP: + playheads[0].incrementBy(value); + break; + case PLAYBACK_STATE_MULTILOOP: + playheads[0].incrementBy(value); + for (size_t i=1; i<9; i++) { + playheads[i].incrementBy(value + value/(1+i)); + } + break; + } +} + +void Looper::slowDown() { + for (size_t i=0; i<9; i++) { + playheads[i].slowDown(); + } +} + +void Looper::reverse() { + for (size_t i=0; i<9; i++) { + playheads[i].reverse(); + } +} + +void Looper::restart() { + for (size_t i=0; i<9; i++) { + playheads[i].reset(); + } +} + +void Looper::speedUp() { + for (size_t i=0; i<9; i++) { + playheads[i].speedUp(); + } +} + +float* Looper::getBuffer() { + return buffer; +} + +size_t Looper::getBufferLength() { + return buffer_length; +} + +void Looper::setRecPitchMode(RecPitchMode mode) { + rec_pitch_mode = mode; +} + +void Looper::setRecStartMode(RecStartMode mode) { + rec_start_mode = mode; +} + + + +}; // namespace atoav \ No newline at end of file diff --git a/src/luts.h b/src/luts.h new file mode 100644 index 0000000..b332ed6 --- /dev/null +++ b/src/luts.h @@ -0,0 +1,47 @@ +#ifndef LUTs_h +#define LUTs_h + +#include <MultiMap.h> + +// Lookup Table for Pitch Knob +float pitch_knob_lookup_x[] = {0.0, 0.0025, 0.0175, 0.0225, 0.0375, 0.0425, 0.057499999999999996, 0.0625, 0.0775, 0.0825, 0.0975, 0.10250000000000001, 0.1175, 0.1225, 0.1375, 0.14250000000000002, 0.1575, 0.1625, 0.1975, 0.2025, 0.2475, 0.2525, 0.2975, 0.3025, 0.3775, 0.3825, 0.4175, 0.4225, 0.4575, 0.4625, 0.4975, 0.5025, 0.5375000000000001, 0.5425, 0.5775000000000001, 0.5825, 0.6175, 0.6224999999999999, 0.6975, 0.7024999999999999, 0.7475, 0.7525, 0.7975000000000001, 0.8025, 0.8375, 0.8424999999999999, 0.8575, 0.8624999999999999, 0.8775000000000001, 0.8825, 0.8975000000000001, 0.9025, 0.9175000000000001, 0.9225, 0.9375, 0.9424999999999999, 0.9575, 0.9624999999999999, 0.9775, 0.9824999999999999, 0.9975, 1.0}; +float pitch_knob_lookup_y[] = {-1.0, -1.0, -0.9, -0.9, -0.8, -0.8, -0.7, -0.7, -0.6, -0.6, -0.5, -0.5, -0.4, -0.4, -0.3, -0.3, -0.2, -0.2, -0.1, -0.1, -0.05, -0.05, -0.025, -0.025, -0.0125, -0.0125, -0.00625, -0.00625, -0.003125, -0.003125, 0.0, 0.0, 0.003125, 0.003125, 0.00625, 0.00625, 0.0125, 0.0125, 0.025, 0.025, 0.05, 0.05, 0.1, 0.1, 0.2, 0.2, 0.3, 0.3, 0.4, 0.4, 0.5, 0.5, 0.6, 0.6, 0.7, 0.7, 0.8, 0.8, 0.9, 0.9, 1.0, 1.0}; +size_t pitch_knob_lookup_length = 62; + + +class Easer { + float output = 0.0f; + float delta = 0.0f; + float easing = 0.1f; + public: + Easer(); + + float Process(float input) { + delta = input - output; + output += delta * easing; + return output; + } + + void setFactor(float factor) { + easing = min(max(0.00001f, factor), 1.0f); + } +}; + +Easer::Easer() { + +}; + +float lerp(float a, float b, float f) { + f = min(1.0f, max(0.0f, f)); + + if (f == 0.0) { return a; } + else if (f == 1.0f) { return b; } + else { return a * (1.0f-f) + b * f; } +} + +float get_from_xy_table(float* xtable, float* ytable, float f, size_t length) { + return multiMap<float>(f, xtable, ytable, length); +} + + +#endif \ No newline at end of file diff --git a/src/potentiometers.h b/src/potentiometers.h new file mode 100644 index 0000000..055264c --- /dev/null +++ b/src/potentiometers.h @@ -0,0 +1,257 @@ +#include "WCharacter.h" +#include "wiring_analog.h" +#include <stdint.h> +#include <limits> +#ifndef Potentiometers_h +#define Potentiometers_h +#include "Arduino.h" +#include "luts.h" +#include "helpers.h" + +#include "Adafruit_SH110X.h" +#include "Adafruit_GFX.h" +extern Adafruit_SH1106G display; + +// The length of the moving average filter that smooths the +// controls. Higher number is smoother, but less responsive +// and needs more memory. +#define POT_MOVING_AVERAGE_SIZE 2 + +// Length of the Textbuffer for floats in the UI +#define UI_TEXTBUFFER_LENGTH 6 + +// Modes +enum PotMode { + POT_MODE_LIN, + POT_MODE_BIP, + POT_MODE_PITCH, + POT_MODE_SWITCH, + POT_MODE_LAST +}; + +// Display Modes +enum PotDisplayMode { + POT_DISPLAY_MODE_DEFAULT, + POT_DISPLAY_MODE_PITCH, + POT_DISPLAY_MODE_PERCENT, + POT_DISPLAY_MODE_SWITCH, + POT_DISPLAY_MODE_SWITCH_NUMBERS, + POT_DISPLAY_MODE_LAST +}; + +typedef void (*callback_function)(void); + +class Potentiometer { + int pin; + int readings[POT_MOVING_AVERAGE_SIZE]; + PotMode mode = POT_MODE_LIN; + PotDisplayMode display_mode = POT_DISPLAY_MODE_DEFAULT; + float last_reading, last_normalized_reading = 0.0f; + float display_scale = 1.0f; + callback_function onChangeFunction; + Easer easer; + + public: + Potentiometer(int pin); + void init(); + void setLinear(); + void setPitch(); + void setSwitch(); + float read(); + void setOnChange(callback_function f); + void renderUi(); + void setDisplayMode(const char *name, float display_scale, PotDisplayMode display_mode); + const char *name; + double last_displayed = 0.0; + bool should_display = false; + bool display_value_changes = false; + bool last_was_nan = false; + uint8_t switch_positions; + uint8_t switch_offset = 0; + const char* const switch_labels[4] = {"TRI", "SQR", "RAND", "JUMP"}; +}; + +Potentiometer::Potentiometer(int pin) { + this->pin = pin; +} + +void Potentiometer::init() { + analogReadResolution(12); + easer.setFactor(0.001); +} + +void Potentiometer::setLinear() { + this->mode = POT_MODE_LIN; +} + +void Potentiometer::setPitch() { + this->mode = POT_MODE_PITCH; +} + +void Potentiometer::setSwitch() { + this->mode = POT_MODE_SWITCH; +} + +float Potentiometer::read() { + int reading = analogRead(this->pin); + // Shift all readings in the buffer over by one position, deleting the oldest + // and adding the newest + for (int i=0; i<POT_MOVING_AVERAGE_SIZE; i++) { + int next = i+1; + if (next < POT_MOVING_AVERAGE_SIZE) { + (this->readings)[i] = (this->readings)[next]; + } + } + (this->readings)[POT_MOVING_AVERAGE_SIZE-1] = reading; + + // Get the average of the last readings + reading = 0; + for (int i=0; i<POT_MOVING_AVERAGE_SIZE; i++) { + reading += (this->readings)[i]; + } + reading = reading / POT_MOVING_AVERAGE_SIZE; + + // Convert the last reading to a float and return + float current_reading = easer.Process(reading / 4096.0f); + float normalized_reading = current_reading; + + // Depending on the Mode + switch (this->mode) { + case POT_MODE_PITCH: + current_reading = get_from_xy_table(pitch_knob_lookup_x, pitch_knob_lookup_y, current_reading, pitch_knob_lookup_length); + break; + case POT_MODE_SWITCH: + current_reading = int(current_reading * switch_positions); + break; + } + + bool changed = abs(normalized_reading - this->last_normalized_reading) > 0.002; + + // If the difference to the last reading is big enough assume the knob has been touched + if (this->last_normalized_reading && changed) { + if (display_value_changes) { + last_displayed = millis(); + should_display = true; + } + if (this->onChangeFunction) { this->onChangeFunction(); } + } + + if (this->last_normalized_reading && !changed) { + // if (!last_was_nan) { + // Serial.print(this->name); + // Serial.println(" returned NaN"); + // } + last_was_nan = true; + return std::numeric_limits<float>::quiet_NaN(); + } + last_was_nan = false; + this->last_reading = current_reading; + this->last_normalized_reading = normalized_reading; + return current_reading; +} + +void Potentiometer::setOnChange(callback_function f) { + this->onChangeFunction = f; +} + +void Potentiometer::setDisplayMode(const char *name, float display_scale, PotDisplayMode display_mode) { + this->display_value_changes = true; + this->name = name; + this->display_scale = display_scale; + this->display_mode = display_mode; +} + +void Potentiometer::renderUi() { + double now = millis(); + if (this->should_display) { + int x_margin = 28; + int y_margin = 13; + int x_center = display.width()/2; + int y_center = display.height()/2; + // Render a rectangle Backdrop for the text + display.fillRect(3+x_margin, 3+y_margin, display.width()-x_margin*2, display.height()-y_margin*2, SH110X_WHITE); + display.fillRect(x_margin, y_margin, display.width()-x_margin*2, display.height()-y_margin*2, SH110X_WHITE); + display.fillRect(x_margin+1, y_margin+1, display.width()-(x_margin+1)*2, display.height()-(y_margin+1)*2, SH110X_BLACK); + + + // Render the name of the parameter (e.g. "Pitch") + centeredText(this->name, x_center, y_center-4, SH110X_WHITE); + + // Choose how many digits to display depending on the mode + int digits = 2; + if (this->display_mode == POT_DISPLAY_MODE_PERCENT) { digits = 0; } + // Allocate a buffer for the float and convert it into characters + char value_buffer[UI_TEXTBUFFER_LENGTH]; // Buffer big enough for 7-character float + dtostrf(this->last_reading*display_scale, 6, digits, value_buffer); // Leave room for too large numbers! + + // If we are on a bipolar pot display an indicator if we are in the center + if (this->mode == POT_MODE_BIP && this->last_reading > -0.0001 && this->last_reading < 0.0001) { + display.fillTriangle(x_center, y_center+10, x_center+3, y_center+15, x_center-3, y_center+15, SH110X_WHITE); + } + + // If we are on a pitch pot display an indicator if we are in the the right steps + if (this->mode == POT_MODE_PITCH) { + float reading_mod = fmod(abs(this->last_reading), 0.05f); + if (reading_mod > 0.999f || reading_mod < 0.001f) { + display.fillTriangle(x_center, y_center+10, x_center+3, y_center+15, x_center-3, y_center+15, SH110X_WHITE); + } + } + + // The float value may contain some empty whitespace characters, remove them by + // first figuring out which the first actual character is + int nonwhite = 0; + for (int i=0; i<UI_TEXTBUFFER_LENGTH; i++) { + if (value_buffer[i] == ' ') { + nonwhite++; + } + } + + // Create a new buffer that can hold everything + char text_buffer[UI_TEXTBUFFER_LENGTH+6]; + + // Copy all non-white characters over + for (int i = 0; i<UI_TEXTBUFFER_LENGTH; i++) { + text_buffer[i] = value_buffer[i+int(nonwhite)]; + } + + // Figure out where the last character (\0) in our new buffer is + int last = UI_TEXTBUFFER_LENGTH+6; + for (int i=16; i>0; i--) { + if (text_buffer[i] == '\0') { + last = i; + } + } + + // Add units depending on the display mode : ) + if (this->display_mode == POT_DISPLAY_MODE_PERCENT) { + text_buffer[last] = ' '; + text_buffer[last+1] = '%'; + text_buffer[last+2] = '\0'; + } else if (this->display_mode == POT_DISPLAY_MODE_PITCH) { + text_buffer[last] = ' '; + text_buffer[last+1] = 'S'; + text_buffer[last+2] = 'e'; + text_buffer[last+3] = 'm'; + text_buffer[last+4] = 'i'; + text_buffer[last+5] = '\0'; + } + + // Render that new text + if (this->display_mode == POT_DISPLAY_MODE_SWITCH) { + centeredText(switch_labels[int(last_reading+switch_offset)], x_center, y_center+4, SH110X_WHITE); + } else if (this->display_mode == POT_DISPLAY_MODE_SWITCH_NUMBERS) { + sprintf(text_buffer, "%d", int(last_reading)); + centeredText(text_buffer, x_center, y_center+4, SH110X_WHITE); + } else { + centeredText(text_buffer, x_center, y_center+4, SH110X_WHITE); + } + } + + // Show this for 700 ms after it has been last touched + if ((now - this->last_displayed) > 700.0) { + this->should_display = false; + } +} + + +#endif \ No newline at end of file diff --git a/src/ui.h b/src/ui.h new file mode 100644 index 0000000..030f266 --- /dev/null +++ b/src/ui.h @@ -0,0 +1,884 @@ +#include <stdint.h> +#include "WSerial.h" +#include "usbd_def.h" +#ifndef Ui_h +#define Ui_h + +#include "Adafruit_SH110X.h" +#include "Adafruit_GFX.h" +#include "potentiometers.h" +#include "buttons.h" +#include "looper.h" +#include "button_grid.h" + +#define UI_MAX_FPS 10 +#define WAVEFORM_OVERSAMPLING 2 +#define WAVEFORM_LIN true + +extern Potentiometer pot_1, pot_2, pot_3, pot_4, pot_5, pot_6, pot_7; +extern Button button_1, button_2, button_3, button_4, button_5, button_6; +extern Adafruit_SH1106G display; +extern atoav::Looper looper_a, looper_b, looper_c, looper_d, looper_e; + +// Should the splash-screen be shown on boot? +bool show_splash = false; + +// Represents the possible states of the UI +enum UiMode { + UI_MODE_SPLASH, // A splash screen that is shown on startup + UI_MODE_DEFAULT, // Default screen: Show Waveform and Parameters + UI_MODE_REC_MENU, // ButtonGrid Menu: Recording Settings + UI_MODE_PLAY_MENU, // ButtonGrid Menu: Playback Settings + UI_MODE_TRIGGER_MENU, // ButtonGrid Menu: Trigger Settings + UI_MODE_FX_MENU, // ButtonGrid Menu: FX Settings + UI_MODE_BUFFER_MENU, // ButtonGrid Menu: Buffer Settings + UI_MODE_LAST +}; + +// Represents possible recording modes +enum RecMode { + REC_MODE_FULL, // Record into full buffer (looping back to start) + REC_MODE_LOOP, // Limit recording to the loop + REC_MODE_FULL_SHOT, // Record into full buffer, stop at the end + REC_MODE_LAST +}; + +// Represents possible recording sources +enum RecSource { + REC_SOURCE_PRE, // Record Incoming audio + REC_SOURCE_LAST_BUF, // Record Last selected Buffer + REC_SOURCE_OUT, // Record the buffer output + REC_SOURCE_NOISE, // Record Noise + REC_SOURCE_LAST +}; + +// Represents possible playback modes +enum PlayMode { + PLAY_MODE_DRUNK, // Drunken Walk + PLAY_MODE_WINDOW, // Sliding window + PLAY_MODE_LOOP, // Loop + PLAY_MODE_GRAIN, // Granular ? + PLAY_MODE_ONESHOT, // Play it once + PLAY_MODE_LAST +}; + +// Represents possible recording states +enum RecordingState { + REC_STATE_NOT_RECORDING, // Not recording + REC_STATE_RECORDING, // Recording (replace what is in the buffer) + REC_STATE_OVERDUBBING, // Overdubbing (mix recorded values with the existing samples) + REC_STATE_LAST +}; + +enum ActiveBuffer { + ACTIVE_BUFFER_A, + ACTIVE_BUFFER_B, + ACTIVE_BUFFER_C, + ACTIVE_BUFFER_D, + ACTIVE_BUFFER_E, + ACTIVE_BUFFER_LAST, +}; + +enum BufferSummingMode { + BUFFER_SUM_MODE_SOLO, + BUFFER_SUM_MODE_SUM, + BUFFER_SUM_MODE_RING, + BUFFER_SUM_MODE_LAST, +}; + +enum FXMode { + FX_MODE_ALL, + FX_MODE_REVERB, + FX_MODE_NONE, + FX_MODE_LFO, + FX_MODE_GRAIN, + FX_MODE_FILTER, + FX_MODE_LAST, +}; + +// The Ui is _the_ coordinating class for the whole interaction. +// The default mode +// Note Descriptions get a space of 21 chars and 8 lines +class Ui { + public: + Ui() : button_grids { + ButtonGrid((int) UI_MODE_REC_MENU, { + GridButton("REC\nMENU", &button_1, true), + GridButton("MOM\nTOGGLE", &button_2, false, BUTTON_TYPE_TOGGLE, 0), + GridButton("PRE\nLAST\nOUT\nNOISE", &button_3, false, BUTTON_TYPE_MULTITOGGLE, 0), + GridButton("FULL\nLOOP\nSHOT", &button_4, false, BUTTON_TYPE_MULTITOGGLE, 1), + GridButton("NORMAL\nUNPTCH", &button_5, false, BUTTON_TYPE_MULTITOGGLE, 0), + GridButton("START\nLOOPST\nPLAYHD", &button_6, false, BUTTON_TYPE_MULTITOGGLE, 0), + }), + ButtonGrid((int) UI_MODE_PLAY_MENU, { + GridButton("STOP\nLOOP\nMULTI\nMIDI", &button_1, false, BUTTON_TYPE_MULTITOGGLE, 1), + GridButton("PLAY\nMENU", &button_2, true), + GridButton("ACTIVE\nSUM\nRING", &button_3, false, BUTTON_TYPE_MULTITOGGLE, 0), + GridButton("RE\nSTART", &button_4, false), + GridButton("SLOW\nDOWN", &button_5, false), + GridButton("REV\nERSE", &button_6, false), + }), + ButtonGrid((int) UI_MODE_TRIGGER_MENU, { + GridButton("MIDI\nTRIG.", &button_1, false), + GridButton("MIDI\nUNMUTE", &button_2, false), + GridButton("TRIG.\nMENU", &button_3, true), + GridButton("MANUAL\nTRIG.", &button_4, false), + GridButton("MANUAL\nUNMUTE", &button_5, false), + GridButton("AUTO", &button_6, false), + }), + ButtonGrid((int) UI_MODE_FX_MENU, { + GridButton("ALL", &button_1, false, BUTTON_TYPE_ENUM, 1), + GridButton("REVERB", &button_2, false, BUTTON_TYPE_ENUM, 0), + GridButton("FX\nMENU", &button_3, true), + GridButton("LFO", &button_4, false, BUTTON_TYPE_ENUM, 0), + GridButton("GRAIN", &button_5, false, BUTTON_TYPE_ENUM, 0), + GridButton("-", &button_6, false, BUTTON_TYPE_ENUM, 0), + }), + ButtonGrid((int) UI_MODE_BUFFER_MENU, { + GridButton("A", &button_1, false, BUTTON_TYPE_ENUM, 1), + GridButton("B", &button_2, false, BUTTON_TYPE_ENUM, 0), + GridButton("C", &button_3, false, BUTTON_TYPE_ENUM, 0), + GridButton("D", &button_4, false, BUTTON_TYPE_ENUM, 0), + GridButton("E", &button_5, false, BUTTON_TYPE_ENUM, 0), + GridButton("BUFFER\nMENU", &button_6, true), + }), + } {}; + + // Store the Button Grids declared above (make sure the lenght matches!) + ButtonGrid button_grids[5]; + + // Stores the current Ui Mode + UiMode ui_mode = UI_MODE_SPLASH; + + // Default Recording Mode + RecMode rec_mode = REC_MODE_LOOP; + + // Default Recording Source + RecSource rec_source = REC_SOURCE_PRE; + + // Default active buffer + ActiveBuffer active_buffer = ACTIVE_BUFFER_A; + ActiveBuffer previous_buffer = ACTIVE_BUFFER_A; + + // Default active summing mode + BufferSummingMode buffer_summing_mode = BUFFER_SUM_MODE_SOLO; + + FXMode fx_mode = FX_MODE_ALL; + + // Render the UI + // Except for the splash screen this is expected to be called + // repeatedly in a loop + void Render() { + double now = millis(); + // Serial.println(1000.0/UI_MAX_FPS); + if ((now - last_render) > (1000.0/UI_MAX_FPS)) { + switch (ui_mode) { + case UI_MODE_SPLASH: + renderSplash(); + break; + case UI_MODE_DEFAULT: + renderDefault(); + break; + case UI_MODE_REC_MENU: + renderGrid(0, rec_mode); + break; + case UI_MODE_PLAY_MENU: + renderGrid(1); + break; + case UI_MODE_TRIGGER_MENU: + renderGrid(2); + break; + case UI_MODE_FX_MENU: + renderGrid(3, fx_mode); + break; + case UI_MODE_BUFFER_MENU: + renderGrid(4, active_buffer); + break; + } + last_render = now; + } + } + + // Helper method to render a certain button grid + void renderGrid(size_t num, int button_enum=0) { + display.clearDisplay(); + button_grids[num].render(button_enum); + display.display(); + } + + // Renders a splash screen (runs once) + void renderSplash() { + display.setTextSize(1); + + // Splash rendering is now done, go to next UI Mode + setMode(UI_MODE_DEFAULT); + } + + // Helper method to reset the controls + void resetControls() { + button_1.reset(); + button_2.reset(); + button_3.reset(); + button_4.reset(); + button_5.reset(); + button_6.reset(); + } + + Button* setupButtonGrid(int n) { + // Find the index of the home button + int home_button_index = button_grids[n].homeButtonIndex(); + + // Create a pointer to the hoime button + Button* home_button = button_grids[n].grid_buttons_[home_button_index].button; + + // Reset the controls + resetControls(); + + // Setup the button grid + button_grids[n].setup(); + + // Return to default mode on release + home_button->onReleased([this, n](){ + this->setMode(UI_MODE_DEFAULT); + this->button_grids[n].hideAllDescriptions(); + activeLooper()->speedUp(); + }); + + // Return pointer to the home button + return home_button; + } + + // Setup the Recording Menu + void setupRecMenu() { + // Only run once when the ui_mode changed + if (ui_mode == UI_MODE_REC_MENU && last_ui_mode != UI_MODE_REC_MENU) { + int n = 0; + + // Setup button Grid + Button* home_button = setupButtonGrid(n); + + // Toggle between momentary and toggle recording modes + button_2.onPress([this, n](){ + rec_button_momentary = !rec_button_momentary; + button_grids[n].grid_buttons_[1].active = !rec_button_momentary; + }); + + // Set Recording Source (Pre/Post/Out/Noise) + button_3.onPress([this, n](){ + button_grids[n].grid_buttons_[2].next(); + rec_source = (RecSource) button_grids[n].grid_buttons_[2].active; + }); + + // Switch Recording modes (Full/Loop/Oneshot) + button_4.onPress([this, n](){ + button_grids[n].grid_buttons_[3].next(); + // Button.active returns number according to mode, we cast it to a RecMode enum + rec_mode = (RecMode) button_grids[n].grid_buttons_[3].active; + switch (rec_mode) { + case REC_MODE_FULL: + looper_a.setRecModeFull(); + looper_b.setRecModeFull(); + looper_c.setRecModeFull(); + looper_d.setRecModeFull(); + looper_e.setRecModeFull(); + break; + case REC_MODE_LOOP: + looper_a.setRecModeLoop(); + looper_b.setRecModeLoop(); + looper_c.setRecModeLoop(); + looper_d.setRecModeLoop(); + looper_e.setRecModeLoop(); + break; + case REC_MODE_FULL_SHOT: + looper_a.setRecModeFullShot(); + looper_b.setRecModeFullShot(); + looper_c.setRecModeFullShot(); + looper_d.setRecModeFullShot(); + looper_e.setRecModeFullShot(); + break; + } + }); + + // Set Recording Pitch mode (Normal/Pitched/Unpitched) + button_5.onPress([this, n](){ + button_grids[n].grid_buttons_[4].next(); + looper_a.setRecPitchMode((atoav::RecPitchMode) button_grids[n].grid_buttons_[4].active); + looper_b.setRecPitchMode((atoav::RecPitchMode) button_grids[n].grid_buttons_[4].active); + looper_c.setRecPitchMode((atoav::RecPitchMode) button_grids[n].grid_buttons_[4].active); + looper_d.setRecPitchMode((atoav::RecPitchMode) button_grids[n].grid_buttons_[4].active); + looper_e.setRecPitchMode((atoav::RecPitchMode) button_grids[n].grid_buttons_[4].active); + }); + + // Set Recording Start Option (Buffer Start/Loop Start/Playhead) + button_6.onPress([this, n](){ + button_grids[n].grid_buttons_[5].next(); + looper_a.setRecStartMode((atoav::RecStartMode) button_grids[n].grid_buttons_[5].active); + looper_b.setRecStartMode((atoav::RecStartMode) button_grids[n].grid_buttons_[5].active); + looper_c.setRecStartMode((atoav::RecStartMode) button_grids[n].grid_buttons_[5].active); + looper_d.setRecStartMode((atoav::RecStartMode) button_grids[n].grid_buttons_[5].active); + looper_e.setRecStartMode((atoav::RecStartMode) button_grids[n].grid_buttons_[5].active); + }); + + // Store the last ui mode, for the check on top + last_ui_mode = ui_mode; + } + } + + // Setup the Buffer Menu + void setupBufferMenu() { + // Only run once when the ui_mode changed + if (ui_mode == UI_MODE_BUFFER_MENU && last_ui_mode != UI_MODE_BUFFER_MENU) { + int n = 4; + + // Setup button Grid + Button* home_button = setupButtonGrid(n); + + button_1.onPress([this, n](){ + previous_buffer = active_buffer; + active_buffer = ACTIVE_BUFFER_A; + waveform_cache_dirty = true; + }); + button_2.onPress([this, n](){ + previous_buffer = active_buffer; + active_buffer = ACTIVE_BUFFER_B; + waveform_cache_dirty = true; + }); + button_3.onPress([this, n](){ + previous_buffer = active_buffer; + active_buffer = ACTIVE_BUFFER_C; + waveform_cache_dirty = true; + }); + button_4.onPress([this, n](){ + previous_buffer = active_buffer; + active_buffer = ACTIVE_BUFFER_D; + waveform_cache_dirty = true; + }); + button_5.onPress([this, n](){ + previous_buffer = active_buffer; + active_buffer = ACTIVE_BUFFER_E; + waveform_cache_dirty = true; + }); + + // Store the last ui mode, for the check on top + last_ui_mode = ui_mode; + } + } + + // Setup the Play Menu + void setupPlayMenu() { + // Only run once when the ui_mode changed + if (ui_mode == UI_MODE_PLAY_MENU && last_ui_mode != UI_MODE_PLAY_MENU) { + int n = 1; + + // Ensure the UI showes the play mode of the active looper + button_grids[n].grid_buttons_[0].active = (int) activeLooper()->playback_state ; + + // Setup button Grid + Button* home_button = setupButtonGrid(n); + + // Change the way in which buffers are summed + button_3.onPress([this, n](){ + button_grids[n].grid_buttons_[2].next(); + buffer_summing_mode = (BufferSummingMode) button_grids[n].grid_buttons_[2].active; + }); + + // Change playback state (mode) of the current looper + button_1.onPress([this, n](){ + button_grids[n].grid_buttons_[0].next(); + activeLooper()->playback_state = (atoav::PlaybackState) (button_grids[n].grid_buttons_[0].active); + }); + + // Restart + button_4.onPress([this, n](){ + activeLooper()->restart(); + }); + + // DJ-style slow-down effect + button_5.onHold([this, n](){ + activeLooper()->slowDown(); + }); + button_5.onReleased([this, n](){ + activeLooper()->speedUp(); + }); + + button_6.onHold([this, n](){ + activeLooper()->reverse(); + }); + button_6.onReleased([this, n](){ + activeLooper()->speedUp(); + }); + + // Store the last ui mode, for the check on top + last_ui_mode = ui_mode; + } + } + + // Setup the FX Menu + void setupFXMenu() { + // Only run once when the ui_mode changed + if (ui_mode == UI_MODE_FX_MENU && last_ui_mode != UI_MODE_FX_MENU) { + int n = 3; + + // Ensure the UI showes the play mode of the active looper + // button_grids[n].grid_buttons_[0].active = (int) fx_mode; + + // Setup button Grid + Button* home_button = setupButtonGrid(n); + + // Select the active Effect (All) + button_1.onPress([this, n](){ + fx_mode = FX_MODE_ALL; + pot_5.setDisplayMode("LFO", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_5.setLinear(); + pot_6.setDisplayMode("Volume", 400.0f, POT_DISPLAY_MODE_PERCENT); + pot_7.setDisplayMode("Reverb", 100.0f, POT_DISPLAY_MODE_PERCENT); + }); + + // Select the active Effect (Reverb) + button_2.onPress([this, n](){ + fx_mode = FX_MODE_REVERB; + pot_5.setDisplayMode("Rev. Tone", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_5.setLinear(); + pot_6.setDisplayMode("Rev. Decay", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_7.setDisplayMode("Reverb Mix", 100.0f, POT_DISPLAY_MODE_PERCENT); + }); + + // Select the active Effect (LFO) + button_4.onPress([this, n](){ + fx_mode = FX_MODE_LFO; + pot_5.setDisplayMode("LFO Mode", 100.0f, POT_DISPLAY_MODE_SWITCH); + pot_5.setSwitch(); + pot_5.switch_positions = 4; + pot_5.switch_offset = 0; + pot_6.setDisplayMode("LFO Speed", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_7.setDisplayMode("LFO Amount", 100.0f, POT_DISPLAY_MODE_PERCENT); + }); + + // Select the active Effect (GRAIN) + button_5.onPress([this, n](){ + fx_mode = FX_MODE_GRAIN; + pot_5.setDisplayMode("Grain Num", 100.0f, POT_DISPLAY_MODE_SWITCH_NUMBERS); + pot_5.setSwitch(); + pot_5.switch_positions = 8; + pot_6.setDisplayMode("Grn. Spread", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_7.setDisplayMode("Grain Var.", 100.0f, POT_DISPLAY_MODE_PERCENT); + }); + + // Select the active Effect (FILTER) + button_6.onPress([this, n](){ + fx_mode = FX_MODE_FILTER; + pot_5.setDisplayMode("Lowpass", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_6.setDisplayMode("Highpass", 100.0f, POT_DISPLAY_MODE_PERCENT); + pot_7.setDisplayMode("Resonance", 100.0f, POT_DISPLAY_MODE_PERCENT); + }); + + // Store the last ui mode, for the check on top + last_ui_mode = ui_mode; + } + } + + // Setup the default (waveform) screen + void setupDefault() { + // Only run once on mode change + if (ui_mode == UI_MODE_DEFAULT && last_ui_mode != UI_MODE_DEFAULT) { + // Reset controls + resetControls(); + + // Set up the initial recording mode + switch (rec_mode) { + case REC_MODE_FULL: + looper_a.setRecModeFull(); + looper_b.setRecModeFull(); + looper_c.setRecModeFull(); + looper_d.setRecModeFull(); + looper_e.setRecModeFull(); + break; + case REC_MODE_LOOP: + looper_a.setRecModeLoop(); + looper_b.setRecModeLoop(); + looper_c.setRecModeLoop(); + looper_d.setRecModeLoop(); + looper_e.setRecModeLoop(); + break; + case REC_MODE_FULL_SHOT: + looper_a.setRecModeFullShot(); + looper_b.setRecModeFullShot(); + looper_c.setRecModeFullShot(); + looper_d.setRecModeFullShot(); + looper_e.setRecModeFullShot(); + break; + }; + + // Setup Button functions (these should enter the ButtonGrid Menus) + button_1.onHold([this](){ this->setMode(UI_MODE_REC_MENU); }); + button_2.onHold([this](){ this->setMode(UI_MODE_PLAY_MENU); }); + button_3.onHold([this](){ this->setMode(UI_MODE_FX_MENU); }); + button_6.onHold([this](){ this->setMode(UI_MODE_BUFFER_MENU); }); + + // Set the recording/overdub buttons to toggle or momentary + // depending on the value of the option + if (rec_button_momentary) { + button_4.onHold([this](){ this->activateRecording(); }); + button_5.onHold([this](){ this->activateOverdub(); }); + button_4.onReleased([this](){ this->stopRecording(); }); + button_5.onReleased([this](){ this->stopRecording(); }); + } else { + button_4.onReleased([this](){ this->toggleRecording(); }); + button_5.onReleased([this](){ this->toggleOverdub(); }); + } + + // Store the last ui mode, for the check on top + last_ui_mode = ui_mode; + } + } + + // Render the default screen (waveform) + void renderDefault() { + // Store the current time and check how long ago the last frame was + // in ms + + // Clear the display + display.clearDisplay(); + + // Waveform should be maximum screen-heigh + int wave_height = display.height() * 1.0f; + // Ensure that when stepping from left to right we fit the waveform on the screen + int step = activeLooper()->getBufferLength() / (display.width() * WAVEFORM_OVERSAMPLING); + // Helper variable for the bottom of the screen + int bottom = display.height()-1; + + // Render the waveform by iterating through the samples (oversampled by a factor + // defined on top of this file). Average the samples for each pixel of the 128 px + // wide screen and cache the resulting heights so we only have to recalculate when + // the waveform changes + for (int i=0; i<display.width()*WAVEFORM_OVERSAMPLING; i+=WAVEFORM_OVERSAMPLING) { + uint16_t x = int(i / WAVEFORM_OVERSAMPLING); + // Only recalculate if the cahce is dirty, else use cache + if (waveform_cache_dirty) { + float sig = 0.0f; + float scale = 1.0f; + if (!WAVEFORM_LIN) { + scale = 10.0f; + } + // Step through the buffer and sum the absolute values + for (int s=0; s<WAVEFORM_OVERSAMPLING; s++) { + float abs_sig = activeLooper()->getBuffer()[step*i]; + abs_sig = abs(abs_sig) * scale; + sig += abs_sig; + } + // We oversampled so divide here + sig = sig / float(WAVEFORM_OVERSAMPLING); + + if (!WAVEFORM_LIN) { + // Volume is logarithmic (hiding silent noises) + if (sig != 0.0f) { + sig = log10(sig); + } + } + waveform_cache[x] = int(sig * wave_height); + } + + // Draw the vertical lines from bottom up, depending on the level of the + // calulcated wave on this point of the screen + display.drawFastVLine(x, bottom, -waveform_cache[x], SH110X_WHITE); + + } + // Draw one horizontal line on bottom + display.drawFastHLine(0, bottom, display.width(), SH110X_WHITE); + + // Cache is now marked as clean + waveform_cache_dirty = false; + + // Draw Indicator for loop start + int x_start_loop = int(activeLooper()->loop_start_f * display.width()); + display.drawLine(x_start_loop, 0, x_start_loop, bottom, SH110X_WHITE); + display.fillTriangle(x_start_loop, 6, x_start_loop, 0, x_start_loop+3, 0, SH110X_WHITE); + + // Draw Indicator for Loop End + int x_loop_length = int(activeLooper()->loop_length_f * display.width()); + int x_loop_end = (x_start_loop + x_loop_length) % display.width(); + display.drawLine(x_loop_end, 0, x_loop_end, bottom, SH110X_WHITE); + display.fillTriangle(x_loop_end, 6, x_loop_end-3, 0, x_loop_end, 0, SH110X_WHITE); + + // Draw connecting line for start and end + if (x_loop_end >= x_start_loop) { + display.drawLine(x_start_loop, 0, x_loop_end, 0, SH110X_WHITE); + } else { + display.drawLine(x_start_loop, 0, display.width(), 0, SH110X_WHITE); + display.drawLine(0, 0, x_loop_end, 0, SH110X_WHITE); + } + + // Draw Playhead + switch (activeLooper()->playback_state) { + case atoav::PLAYBACK_STATE_LOOP: + { + int x_playhead = int(activeLooper()->GetPlayhead() * display.width()) + x_start_loop; + display.drawFastVLine(x_playhead, 6, 24, SH110X_WHITE); + break; + } + case atoav::PLAYBACK_STATE_MULTILOOP: + { + float* playheads = activeLooper()->GetPlayheads(); + uint8_t count = activeLooper()->GetPlayheadCount(); + int x_playhead = 0; + for (size_t i=0; i<count-1; i++) { + x_playhead = int(playheads[i] * display.width()) + x_start_loop; + int h = 6 + i*3; + display.drawFastVLine(x_playhead, h, 3, SH110X_WHITE); + } + break; + } + case atoav::PLAYBACK_STATE_MIDI: + { + int x_playhead = int(activeLooper()->GetPlayhead() * display.width()) + x_start_loop; + display.drawFastVLine(x_playhead, 6, 24, SH110X_WHITE); + break; + } + } + + + // Draw Recording Indicator and Recording Head + if (recording_state == REC_STATE_RECORDING) { + // Draw Rec Head + int x_rec_head = int(activeLooper()->GetRecHead() * display.width()); + display.drawFastVLine(x_rec_head, 10, bottom, SH110X_WHITE); + display.fillCircle(x_rec_head, 10, 3, SH110X_WHITE); + // Record sign + display.fillRect(0, 0, 13, 13, SH110X_WHITE); + display.fillRect(2, 2, 12, 12, SH110X_WHITE); + display.fillRect(1, 1, 11, 11, SH110X_BLACK); + display.fillCircle(6, 6, 3, SH110X_WHITE); + } + + // Draw Overdub Indicator and Recording Head + if (recording_state == REC_STATE_OVERDUBBING) { + // Draw Rec Head + int x_rec_head = int(activeLooper()->GetRecHead() * display.width()); + display.drawFastVLine(x_rec_head, 10, bottom, SH110X_WHITE); + display.fillCircle(x_rec_head, 10, 3, SH110X_WHITE); + + // Overdub sign (a "plus") + display.fillRect(0, 0, 13, 13, SH110X_WHITE); + display.fillRect(2, 2, 12, 12, SH110X_WHITE); + display.fillRect(1, 1, 11, 11, SH110X_BLACK); + display.drawLine(6, 2, 6, 10, SH110X_WHITE); + display.drawLine(2, 6, 10, 6, SH110X_WHITE); + } + + // Render potentiometer UIs in case a knob is changed + pot_1.renderUi(); + pot_2.renderUi(); + pot_3.renderUi(); + pot_4.renderUi(); + pot_5.renderUi(); + pot_6.renderUi(); + pot_7.renderUi(); + + // Display all the things done above + display.display(); + } + + // Activate recording and set the waveform cache to dirty + void activateRecording() { + if (recording_state != REC_STATE_RECORDING) { + activeLooper()->SetRecord(); + waveform_cache_dirty = true; + recording_state = REC_STATE_RECORDING; + } + } + + // Toggle recording + void toggleRecording() { + switch (recording_state) { + case REC_STATE_NOT_RECORDING: + activateRecording(); + break; + case REC_STATE_RECORDING: + stopRecording(); + break; + case REC_STATE_OVERDUBBING: + activateRecording(); + break; + } + } + + // Activates overdubbing + void activateOverdub() { + if (recording_state != REC_STATE_OVERDUBBING) { + waveform_cache_dirty = true; + recording_state = REC_STATE_OVERDUBBING; + activeLooper()->SetOverdub(); + } + } + + // Stop the recording + void stopRecording() { + if (recording_state != REC_STATE_NOT_RECORDING) { + recording_state = REC_STATE_NOT_RECORDING; + activeLooper()->SetStopWriting(); + } + } + + // Toggle overdub off and on + void toggleOverdub() { + switch (recording_state) { + case REC_STATE_NOT_RECORDING: + activateOverdub(); + break; + case REC_STATE_OVERDUBBING: + stopRecording(); + break; + case REC_STATE_RECORDING: + activateOverdub(); + break; + } + } + + // Reset the recording state (mark waveform cahce dirty) + void resetRecordingState() { + if (recording_state == REC_STATE_RECORDING || recording_state == REC_STATE_OVERDUBBING) { + waveform_cache_dirty = true; + } + } + + // Set the mode of the UI (and thus change the screen) + void setMode(UiMode mode) { + if (last_ui_mode == mode) { return; } + last_ui_mode = ui_mode; + ui_mode = mode; + switch (ui_mode) { + case UI_MODE_SPLASH: + break; + case UI_MODE_DEFAULT: + break; + case UI_MODE_REC_MENU: + this->button_grids[0].hideAllDescriptions(); + break; + case UI_MODE_PLAY_MENU: + this->button_grids[1].hideAllDescriptions(); + break; + case UI_MODE_TRIGGER_MENU: + this->button_grids[2].hideAllDescriptions(); + break; + case UI_MODE_FX_MENU: + this->button_grids[3].hideAllDescriptions(); + break; + case UI_MODE_BUFFER_MENU: + this->button_grids[4].hideAllDescriptions(); + break; + } + } + + + // Update the Ui variables (expected to run repeatedly) + void update() { + resetRecordingState(); + + switch (ui_mode) { + case UI_MODE_SPLASH: + break; + case UI_MODE_DEFAULT: + setupDefault(); + break; + case UI_MODE_REC_MENU: + setupRecMenu(); + break; + case UI_MODE_PLAY_MENU: + setupPlayMenu(); + break; + case UI_MODE_TRIGGER_MENU: + break; + case UI_MODE_FX_MENU: + setupFXMenu(); + break; + case UI_MODE_BUFFER_MENU: + setupBufferMenu(); + break; + } + } + + // Returns a pointer to the currently active looper + atoav::Looper * activeLooper() { + switch(active_buffer) { + case ACTIVE_BUFFER_A: { + atoav::Looper * ptr = &looper_a; + return ptr; + break; + } + case ACTIVE_BUFFER_B: { + atoav::Looper * ptr = &looper_b; + return ptr; + break; + } + case ACTIVE_BUFFER_C: { + atoav::Looper * ptr = &looper_c; + return ptr; + break; + } + case ACTIVE_BUFFER_D: { + atoav::Looper * ptr = &looper_d; + return ptr; + break; + } + case ACTIVE_BUFFER_E: { + atoav::Looper * ptr = &looper_e; + return ptr; + break; + } + } + // Unreachable, but makes the compiler shut up + atoav::Looper * ptr = &looper_a; + return ptr; + } + + // Returns a pointer to the currently active looper + atoav::Looper * previousLooper() { + switch(previous_buffer) { + case ACTIVE_BUFFER_A: { + atoav::Looper * ptr = &looper_a; + return ptr; + break; + } + case ACTIVE_BUFFER_B: { + atoav::Looper * ptr = &looper_b; + return ptr; + break; + } + case ACTIVE_BUFFER_C: { + atoav::Looper * ptr = &looper_c; + return ptr; + break; + } + case ACTIVE_BUFFER_D: { + atoav::Looper * ptr = &looper_d; + return ptr; + break; + } + case ACTIVE_BUFFER_E: { + atoav::Looper * ptr = &looper_e; + return ptr; + break; + } + } + // Unreachable, but makes the compiler shut up + atoav::Looper * ptr = &looper_a; + return ptr; + } + + // Set the Looper start/length to a given value + void setLoop(float start, float length) { + activeLooper()->SetLoop(start, length); + } + + private: + double last_render = 0.0; + uint16_t waveform_cache[128] = {0}; + bool waveform_cache_dirty = true; + RecordingState recording_state = REC_STATE_NOT_RECORDING; + UiMode last_ui_mode = UI_MODE_LAST; + bool rec_button_momentary = true; +}; + + + +#endif \ No newline at end of file -- GitLab