Initial tests

README.md

@@ -40,6 +40,9 @@ A stechuhr client consists of:
 | LED module 5V | Raspi GPIO 5V | 5V WS2812 Module (if more than 1 LED is used consider connecting this to the external PSU 5V) | Jumpercable with female pinheader on one side, soldered on the other |
 | LED module GND | Raspi GPIO GND | 5V WS2812 Module | Jumpercable with female pinheader on one side, soldered on the other |
 | LED module PWM | Raspi GPIO 10 | D2 WS2812 Module | Jumpercable with female pinheader on one side, soldered on the other |
+| Buzzer + | Raspi GPIO 18 | Buzzer + | Jumpercable with female pinheader on one side, soldered on the other |
+| Buzzer - | GND | Buzzer + | Jumpercable with female pinheader on one side, soldered on the other |
+
 
 ![](images/gpio.png)
 

stechuhr_client/client.py

@@ -19,11 +19,13 @@ import fcntl
 import ctypes
 import struct
 import logging
+import RPi.GPIO as GPIO
 
 from config import initialize_config
 from keycode import KEYCODE
 
 
+
 APPLICATION_NAME = "stechuhr-client"
 
 DEFAULT_CONFIG = """
@@ -82,6 +84,11 @@ verify_cert = true
 
 LEDS = neopixel_spi.NeoPixel_SPI(board.SPI(), 10)
 
+
+buzzer_pin = 12
+GPIO.setmode(GPIO.BOARD)
+GPIO.setup(buzzer_pin, GPIO.OUT)
+
 # from input-event-codes.h
 # type can be EV_SYN, EV_KEY or EV_MSC
 EV_KEY = 1
@@ -105,8 +112,11 @@ def dispatch_led(ledstate, config):
     """
     Dispatch a LED thread with a given LED state
     """
-    thread = threading.Thread(target = set_led, args = (ledstate, config, ))
-    thread.start()
+    led_thread = threading.Thread(target = set_led, args = (ledstate, config, ))
+    led_thread.start()
+
+    buzzer_thread = threading.Thread(target = set_buzzer, args = (ledstate, config, ))
+    buzzer_thread.start()
 
 def set_led(ledstate, config):
     """
@@ -140,6 +150,22 @@ def set_led(ledstate, config):
     LEDS.fill(config["led"]["standby_color"][0])
 
 
+def set_buzzer(ledstate, config):
+    global buzzer_pin
+    buzzer = GPIO.PWM(buzzer_pin, 1000) # Set frequency to 1 Khz
+    buzzer.start(10) # Set dutycycle to 10
+    time.sleep(0.5)
+    buzzer = GPIO.PWM(buzzer_pin, 2000) # Set frequency to 1 Khz
+    buzzer.start(50) # Set dutycycle to 10
+    time.sleep(0.5)
+    buzzer = GPIO.PWM(buzzer_pin, 1000) # Set frequency to 1 Khz
+    buzzer.start(10) # Set dutycycle to 10
+    time.sleep(0.5)
+    buzzer = GPIO.PWM(buzzer_pin, 2000) # Set frequency to 1 Khz
+    buzzer.start(50) # Set dutycycle to 10
+    time.sleep(0.5)
+    buzzer.stop()
+
 def process_request(output_queue, config=None, logger=None):
     """
     Process a event from the output queue.