def setLight(color, value):
if color in [None, 'none']:
return
if color not in _pins:
raise Exception('Unsupported light color.')
print('set light', color, value)
gpio.write(_pins[color], value)
def setLight(color, value):
if color in [None, 'none']:
return
if color not in _pins:
raise Exception('Unsupported light color.')
print('set light', color, value)
gpio.write(_pins[color], value)
def exchange(dOut):
# Trade 1 byte between CPI and Arduino.
global cpiState, ardState
ardState = gpio.read(ARD)
dIn = 0
for i in range(BITS):
gpio.write(DAT_OUT, (dOut >> i) % 2)
gpio.write(CPI, cpiState)
cpiState = not cpiState
starTime = time.time()
while(gpio.read(ARD) == ardState):
time.sleep(0.0001)
if starTime + TIMEOUT < time.time():
return -1
ardState = not ardState
dIn += gpio.read(DAT_IN) << i
gpio.write(CPI, cpiState)
cpiState = not cpiState
return dIn
import gpio register = gpio.read(18) print "Read: 0x%08X" % register gpio.write(18, 0)