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)
def close(self):
super().close()
if self._handle is not None:
lgpio.gpiochip_close(self._handle)
self._handle = None
status, dummy = sbc.spi_read(9999, 8888)
check("spi_read 2", sbc.BAD_HANDLE, status)
status = sbc.spi_write(9999, [])
check("spi_write 1", sbc.BAD_SPI_COUNT, status)
status = sbc.spi_write(9999, [88, 77, 66, 55, 44, 33, 22, 11])
check("spi_write 2", sbc.BAD_HANDLE, status)
status, dummy = sbc.spi_xfer(9999, [])
check("spi_xfer 1", sbc.BAD_SPI_COUNT, status)
status, dummy = sbc.spi_xfer(9999, [88, 77, 66, 55, 44, 33, 22, 11])
check("spi_xfer 2", sbc.BAD_HANDLE, status)
status = sbc.gpiochip_close(9999)
check("gpiochip_close 1", sbc.BAD_HANDLE, status)
status, dummy = sbc.group_read(9999, 8888)
check("group_read 1", sbc.BAD_HANDLE, status)
status = sbc.group_write(9999, 8888, 7777)
check("group_write 1", sbc.BAD_HANDLE, status)
status = sbc.gpiochip_open(9999)
check("gpiochip_open 1", sbc.CANNOT_OPEN_CHIP, status)
status, lines, name, label = sbc.gpio_get_chip_info(9999)
check("gpio_get_chip_info 1", sbc.BAD_HANDLE, status)
status, offset, flags, name, user = sbc.gpio_get_line_info(9999, 8888)
' (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)
OUT = [20, 21, 22, 23, 24, 25]
PULSES = 500
pulses = []
total = 0
delay = 1000
for i in range(PULSES):
pulses.append(sbc.pulse(i, sbc.GROUP_ALL, delay))
total += delay
delay += 100
h = sbc.gpiochip_open(0)
sbc.group_claim_output(h, OUT)
sbc.tx_wave(h, OUT[0], pulses)
start = time.time()
while sbc.tx_busy(h, OUT[0], sbc.TX_WAVE):
time.sleep(0.01)
end = time.time()
print("{} pulses took {:.1f} seconds (exp={:.1f})".format(
PULSES, end - start, total / 1e6))
sbc.gpiochip_close(h)
def close(self):
super(LGPIOFactory, self).close()
if self._handle is not None:
lgpio.gpiochip_close(self._handle)
self._handle = None
gpio2 = int(sys.argv[3])
gpio3 = int(sys.argv[4])
gpio4 = int(sys.argv[5])
elif len(sys.argv) == 5: # gpio1 gpio2 gpio3 gpio4 (chip 0)
chip = 0
gpio1 = int(sys.argv[1])
gpio2 = int(sys.argv[2])
gpio3 = int(sys.argv[3])
gpio4 = int(sys.argv[4])
else:
print("Usage: ./28BYJ_48.py [chip] gpio1 gpio2 gpio3 gpio4")
exit()
chip = sbc.gpiochip_open(0)
s = stepper(sbc, chip, [gpio1, gpio2, gpio3, gpio4])
for i in range(4096):
time.sleep(0.0015)
s.forward()
for i in range(4096):
time.sleep(0.0015)
s.backward()
s.stop()
sbc.gpiochip_close(chip)