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import smbus
import time
def version():
print "i2cPixel is Version 1.0.0"
def setAddress(address):
global arduinoAddress
arduinoAddress = address
def setBus(n):
global bus
bus = smbus.SMBus(n)
def greeting():
""" Send heartbeat """
bus.write_byte(arduinoAddress, 0x01)
""" Wait for response """
try:
response = bus.read_byte(arduinoAddress)
if response == 0x01:
returnMsg = True
else:
returnMsg = False
except:
returnMsg = False
""" Return if heartbeat was received """
return returnMsg
def setPixel(n, red, green, blue):
""" Send values for switching a pixel on """
bus.write_block_data(arduinoAddress, 0x02, [n, red, green, blue])
def show():
bus.write_byte(arduinoAddress, 0x03)
def waitForSensor():
while True:
try:
sensorData = bus.read_byte(arduinoAddress)
if sensorData == 0x02:
print "SENSOR 1"
break;
if sensorData == 0x03:
print "SENSOR 2"
break;
except Exception:
pass
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