1 files changed, 54 insertions, 0 deletions
diff --git a/remote_control/read_gpio.py b/remote_control/read_gpio.py
new file mode 100644
index 0000000..6ddc4a5
--- /dev/null
+++ b/remote_control/read_gpio.py
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+#a simple beaglebone black instrument, a/v, embedded systems, udk
+#see https://github.com/redFrik/udk10-Embedded_Systems
+
+#this will read analog and digital sensors and send osc data locally to sc
+#start it with 'sudo python thursday.py &'
+
+import Adafruit_BBIO.ADC as ADC
+import Adafruit_BBIO.GPIO as GPIO
+import time
+import liblo as osc
+
+
+#-- settings
+analog_sensors= ["P9_39", "P9_40", "P9_41", "P9_42"] # customize here and add your own sensors
+#digital_sensors= ["P9_41", "P9_42"] # customize here  and add your own sensors
+update_rate= 0.05 # time in seconds between each reading
+# Define target for osc messages
+target = osc.Address('127.0.0.1', 57120, osc.UDP)
+
+#-- init
+ADC.setup()
+for sensor in digital_sensors:
+    GPIO.setup(sensor, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+
+
+def send_msg(name, sensor, value):
+    global target
+    msg = osc.Message(name)
+    msg.add(name)
+    msg.add(value)
+    try:
+        sc.send(target, msg) # send out osc
+    except:
+        pass # do nothing if seding failed
+    #print msg # debug
+
+def main():
+    last= {} # remember sensor values in a dict
+    while True:
+        for sensor in analog_sensors:
+            #val= int(ADC.read_raw(sensor)) # 0-1799
+            val= float(ADC.read(sensor)) # 0.0 - 1.0
+            if last.get(sensor, None)!=val:
+                send_osc("/ana", sensor, val)
+                last[sensor]= val # store sensor value
+#   	for sensor in digital_sensors:
+#   		val= GPIO.input(sensor) # 0-1
+#   		if last.get(sensor, None)!=val:
+#   			sendOSC("/dig", sensor, val)
+#   			last[sensor]= val # store sensor value
+    time.sleep(update_rate)
+
+if __name__=='__main__':
+	main()