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))
import time
import lgpio
#17,27,22
LED = 17
# open the gpio chip and set the LED pin as output
h = lgpio.gpiochip_open(0)
lgpio.gpio_claim_output(h, LED)
try:
while True:
# Turn the GPIO pin high
lgpio.gpio_write(h, LED, 0)
print('GIO', LED, 'is On')
time.sleep(3)
# Turn the GPIO pin low
lgpio.gpio_write(h, LED, 1)
print('GIO', LED, 'is Off')
time.sleep(1)
except KeyboardInterrupt:
lgpio.gpio_write(h, LED, 1)
lgpio.gpiochip_close(h)
status = sbc.gpio_set_watchdog_micros(9999, 8888, 4000)
check("gpio_set_watchdog_micros 2", sbc.BAD_HANDLE, status)
status = sbc.gpio_claim_alert(9999, 8888, 7777, 6666, 5555)
check("gpio_claim_alert 1", sbc.BAD_HANDLE, status)
status = sbc.gpio_claim_input(9999, 8888)
check("gpio_claim_input 1", sbc.BAD_HANDLE, status)
status = sbc.group_claim_input(9999, [8888, 7777, 6666])
check("group_claim_input 1", sbc.BAD_HANDLE, status)
status = sbc.gpio_claim_output(9999, 8888, 7777)
check("gpio_claim_output 1", sbc.BAD_HANDLE, status)
status = sbc.group_claim_output(9999, [8888, 7777, 6666])
check("group_claim_output 1", sbc.BAD_HANDLE, status)
status = sbc.gpio_write(9999, 8888, 7777)
check("gpio_write 1", sbc.BAD_HANDLE, status)
err = sbc.error_text(0)
check("error_text 1", "No error", err)
err = sbc.error_text(-1)
check("error_text 2", "initialisation failed", err)
err = sbc.error_text(1)
check("error_text 3", "unknown error", err)
' (note) 0 is good working')
#lgpio.gpio_claim_output(h, LED1)
#lgpio.gpio_claim_output(h, LED2)
try:
# Turn the GPIO pin low
lgpio.group_write(handle, 17, 0x6, 0x7) # 3개 on, blue, green, red
#lgpio.group_write(handle, 17, 0x4, 0x7) # 2개 on, green, red
#lgpio.group_write(handle, 17, 0x2, 0x7) # 2개on, blue, red, A
#lgpio.group_write(handle, 17, 0x0, 0x7) # 1개on, red 0,8
#lgpio.group_write(handle, 17, 0xa, 0x7) # no on 5,1,3,9
print('GIO', 'is On')
time.sleep(5)
# Turn the GPIO pin high
lgpio.group_write(handle, 17, 0x7, 0x7)
#lgpio.group_write(handle, LEDS, 0x000008)
#lgpio.gpio_write(h, LED0, 1)
#lgpio.gpio_write(h, LED1, 1)
#lgpio.gpio_write(h, LED2, 1)
print('GIO', 'is Off') #LED 보드 구현에 따라, H->On, L->On 이 다를수 있음
time.sleep(2)
lgpio.gpiochip_close(handle)
except KeyboardInterrupt:
lgpio.gpio_write(handle, LED0, 0)
lgpio.gpio_write(handle, LED1, 0)
lgpio.gpio_write(handle, LED2, 0)
lgpio.gpiochip_close(h)
"""
bench.py
2020-11-18
Public Domain
http://abyz.me.uk/lg/py_lgpio.html
./bench.py
"""
import time
import lgpio
OUT = 21
LOOPS = 100000
h = lgpio.gpiochip_open(0)
lgpio.gpio_claim_output(h, OUT)
t0 = time.time()
for i in range(LOOPS):
lgpio.gpio_write(h, OUT, 0)
lgpio.gpio_write(h, OUT, 1)
t1 = time.time()
lgpio.gpiochip_close(h)
print("{:.0f} toggles per second".format(LOOPS / (t1 - t0)))
if __name__ == "__main__":
print("...Start...")
# open the gpio chip and set the LED pin as output
h = lgpio.gpiochip_open(0)
print(lgpio.gpio_claim_output(h, LED0))
lgpio.gpio_claim_output(h, LED1)
lgpio.gpio_claim_output(h, LED2)
try:
while True:
# Turn the GPIO pin low
lgpio.gpio_write(h, LED0, 0)
lgpio.gpio_write(h, LED1, 0)
lgpio.gpio_write(h, LED2, 0)
print('GIO', 'is On')
time.sleep(90)
# Turn the GPIO pin high
lgpio.gpio_write(h, LED0, 1)
lgpio.gpio_write(h, LED1, 1)
lgpio.gpio_write(h, LED2, 1)
print('GIO', 'is Off') #LED 보드 구현에 따라, H->On, L->On 이 다를수 있음
time.sleep(1)
except KeyboardInterrupt:
lgpio.gpio_write(h, LED0, 1)
lgpio.gpio_write(h, LED1, 1)
nano_i2c = sbc.i2c_open(1, NANO)
nano_serial = sbc.serial_open("serial0", 115200)
inc = True
potpos = 0
while True:
while True:
sbc.spi_write(dac, [0, potpos])
for i in range(8):
sbc.gpio_write(chip, ADC_CS, 0)
(b, d) = sbc.spi_xfer(others, [1, 0x80 + (i << 4), 0])
sbc.gpio_write(chip, ADC_CS, 1)
if b == 3:
c1 = d[1] & 0x03
c2 = d[2]
ch0 = (c1 << 8) + c2
else:
ch0 = -1
print("ADC{}={:4d} pot={}".format(i, ch0, potpos))
potpos += 1
if potpos > 129:
potpos = 0