def set_pins_as_inputs(exportpins):
'''Set all the configured pins as inputs.'''
if exportpins and not WiringPiStub.is_stubbed():
subprocess.check_call([_GPIO_UTILITY_PATH, 'unexportall'])
for i in range(GPIOLEN):
set_pin_as_input(i, exportpins)
if exportpins:
wiringpi.wiringPiSetupSys()
def set_pins_as_outputs(exportpins):
'''Set all the configured pins as outputs.'''
if exportpins and not WiringPiStub.is_stubbed():
subprocess.check_call([_GPIO_UTILITY_PATH, 'unexportall'])
for i in range(GPIOLEN):
set_pin_as_output(i, exportpins)
# When exporting pins via the gpio utility, you have to re-call wiringPiSetupSys after
# after changing or exporting any pins.
if exportpins:
wiringpi.wiringPiSetupSys()
def set_pin_as_output(i, exportpins):
'''Set the specified pin as an output.'''
if exportpins:
if is_pin_pwm(i):
# Error! Can't do PWM with gpio pin export
logging.error("Cannot use gpio pin export with PWM")
else:
if not WiringPiStub.is_stubbed():
subprocess.check_call([_GPIO_UTILITY_PATH, 'export', str(_GPIO_PINS[i]), 'out'])
else:
wiringpi.pinMode(_GPIO_PINS[i], _GPIOASOUTPUT)
if is_pin_pwm(i):
wiringpi.softPwmCreate(_GPIO_PINS[i], 0, _PWM_MAX)
def set_pin_as_input(i, exportpins):
'''Set the specified pin as an input.'''
if exportpins and not WiringPiStub.is_stubbed():
subprocess.check_call([_GPIO_UTILITY_PATH, 'export', str(_GPIO_PINS[i]), 'in'])
else:
wiringpi.pinMode(_GPIO_PINS[i], _GPIOASINPUT)
Third party dependencies:
wiringpi2: python wrapper around wiring pi
https://github.com/WiringPi/WiringPi2-Python
"""
import argparse
import logging
import math
import time
import subprocess
import configuration_manager as cm
from wiring_pi_stub import WiringPiStub
wiringpi = WiringPiStub.import_wiringpi2(logging)
# Get Configurations - TODO(todd): Move more of this into configuration manager
_CONFIG = cm.CONFIG
_GPIO_PINS = [int(pin) for pin in _CONFIG.get('hardware', 'gpio_pins').split(',')]
PIN_MODES = _CONFIG.get('hardware', 'pin_modes').split(',')
_PWM_MAX = int(_CONFIG.get('hardware', 'pwm_range'))
_ACTIVE_LOW_MODE = _CONFIG.getboolean('hardware', 'active_low_mode')
_LIGHTSHOW_CONFIG = cm.lightshow()
_HARDWARE_CONFIG = cm.hardware()
