def setFanSpeed(speed, temp):
sbc.tx_pwm(fan,
PWM_GPIO_NR,
PWM_FREQ,
speed,
pulse_offset=0,
pulse_cycles=0)
# print fan speed and temperature
if VERBOSE == 1:
print("fan speed: ", int(speed), " temp: ", temp)
# write fan metrics to file for node-exporter/prometheus
if NODE_EXPORTER == 1:
# Save a reference to the original standard output
original_stdout = sys.stdout
with open('/var/lib/node_exporter/fan-metrics.prom', 'w') as f:
# Change the standard output to the file we created.
sys.stdout = f
print('raspberry_fan_speed ', speed)
print('raspberry_fan_temp ', temp)
print('raspberry_fan_min_temp ', MIN_TEMP)
print('raspberry_fan_max_temp ', MAX_TEMP)
print('raspberry_fan_fan_low ', FAN_LOW)
print('raspberry_fan_fan_high ', FAN_HIGH)
print('raspberry_fan_wait_time ', WAIT_TIME)
print('raspberry_fan_pwm_gpio ', PWM_GPIO_NR)
print('raspberry_fan_freq ', PWM_FREQ)
# Reset the standard output to its original value
sys.stdout = original_stdout
f.close()
return ()
def _set_state(self, value):
if self._pwm:
freq, duty = self._pwm
self._pwm = (freq, min(100, max(0, int(value * 100))))
lgpio.tx_pwm(self.factory._handle, self.number, *self._pwm)
elif self.function == 'input':
raise PinSetInput('cannot set state of pin %r' % self)
else:
lgpio.gpio_write(self.factory._handle, self.number, bool(value))
def _set_state(self, value):
if self._pwm:
freq, duty = self._pwm
self._pwm = (freq, int(value * 100))
try:
lgpio.tx_pwm(self.factory._handle, self.number, *self._pwm)
except lgpio.error:
raise PinInvalidState(
'invalid state "{value}" for pin {self!r}'.format(
self=self, value=value))
elif self.function == 'input':
raise PinSetInput(
'cannot set state of pin {self!r}'.format(self=self))
else:
lgpio.gpio_write(self.factory._handle, self.number, bool(value))
def _set_frequency(self, value):
if not self._pwm and value is not None and value > 0:
if self.function != 'output':
raise PinPWMFixedValue('cannot start PWM on pin %r' % self)
lgpio.tx_pwm(self.factory._handle, self.number, value, 0)
self._pwm = (value, 0)
elif self._pwm and value is not None and value > 0:
freq, duty = self._pwm
lgpio.tx_pwm(self.factory._handle, self.number, value, duty)
self._pwm = (value, duty)
elif self._pwm and (value is None or value == 0):
lgpio.tx_pwm(self.factory._handle, self.number, 0, 0)
self._pwm = None
status = sbc.gpio_get_mode(9999, 8888)
check("gpio_get_mode 1", sbc.BAD_HANDLE, status)
status = sbc.gpio_read(9999, 8888)
check("gpio_read 1", sbc.BAD_HANDLE, status)
status = sbc.gpio_free(9999, 8888)
check("gpio_free 1", sbc.BAD_HANDLE, status)
status = sbc.group_free(9999, 8888)
check("group_free 1", sbc.BAD_HANDLE, status)
status = sbc.tx_pulse(9999, 8888, 7777, 6666, 5555, 4444)
check("tx_pulse 1", sbc.BAD_HANDLE, status)
status = sbc.tx_pwm(9999, 8888, 7777, 6666, 5555, 4444)
check("tx_pwm 1", sbc.BAD_PWM_DUTY, status)
status = sbc.tx_pwm(9999, 8888, 77777, 50, 5555, 4444)
check("tx_pwm 2", sbc.BAD_PWM_FREQ, status)
status = sbc.tx_pwm(9999, 8888, 5000, 50, 5555, 4444)
check("tx_pwm 3", sbc.BAD_HANDLE, status)
status = sbc.tx_servo(9999, 8888, 7777, 6666, 5555, 4444)
check("tx_servo 1", sbc.BAD_SERVO_FREQ, status)
status = sbc.tx_servo(9999, 8888, 7777, 50, 5555, 4444)
check("tx_servo 2", sbc.BAD_SERVO_WIDTH, status)
status = sbc.tx_servo(9999, 8888, 1500, 50, 5555, 4444)