def GPIO_IO_TESTING():
print('== Testing GPIO INPUT/OUTPUT ==')
for mode in ['phys', 'TB', 'BCM']:
GPIO.setmode(modeMap[mode])
LPin = [pinTable[pins[0] - 1][mode] for pins in pairPins]
RPin = [pinTable[pins[1] - 1][mode] for pins in pairPins]
if (-1 in LPin or -1 in RPin):
print('Some pins use the 3.3V or GND pin.')
exit()
for IPin, OPin in [(LPin, RPin), (RPin, LPin)]:
GPIO.setup(IPin, GPIO.IN)
GPIO.setup(OPin, GPIO.OUT)
if (False in [GPIO.gpio_function(pin) == GPIO.IN for pin in IPin]
or False
in [GPIO.gpio_function(pin) == GPIO.OUT for pin in OPin]):
print('Check GPIO.gpio_function or GPIO.setup.')
exit()
for volt in [GPIO.HIGH, GPIO.LOW]:
GPIO.output(OPin, volt)
OResult = [GPIO.input(pin) == volt for pin in OPin]
IResult = [
GPIO.input(IPin[i]) == GPIO.input(OPin[i])
for i in range(len(IPin))
]
if (False in OResult):
print('Check Pin[%d].' % (OPin[OResult.index(False)]))
exit()
if (False in IResult):
print('Check Pin[%d].' % (IPin[IResult.index(False)]))
exit()
print("[PASS] GPIO.setmode(%s)" % (modeNameMap[mode]))
GPIO.cleanup()
print('===============================')
def __getFunction__(self, channel):
try:
offset = FSEL_OFFSET + int(channel / 10) * 4
shift = int(channel % 10) * 3
self.gpio_map.seek(offset)
value = int.from_bytes(self.gpio_map.read(4), byteorder='little')
value >>= shift
value &= 7
return value # 0=input, 1=output, 4=alt0
except:
pass
self.__checkFilesystemFunction__(channel)
self.checkDigitalChannelExported(channel)
try:
# If we haven't already set the channel function on an ASUS device, we use the GPIO
# library to get the function. Otherwise we just fall through and read the file itself
# since we can assume the pin is a GPIO pin and reading the function file is quicker
# than launching a separate process.
if gpio_library and channel not in self.pinFunctionSet:
if os.geteuid() == 0:
value = gpio_library.gpio_function(channel)
else:
value, err = executeCommand(
'sudo python3 -m myDevices.devices.readvalue -c {}'.
format(channel))
return int(value.splitlines()[0])
# If this is not a GPIO function return it, otherwise check the function file to see
# if it is an IN or OUT pin since the ASUS library doesn't provide that info.
if value != self.ASUS_GPIO:
return value
function = self.functionFile[channel].read()
self.functionFile[channel].seek(0)
if function.startswith("out"):
return self.OUT
else:
return self.IN
except Exception as ex:
error('Failed on __getFunction__: ' + str(channel) + ' ' + str(ex))
return -1
