def test_default_gpio(self):
"""Check I/O.
"""
gpio_in, gpio_out = GpioMpsseController(), GpioMpsseController()
gpio_in.configure(self.urls[0], direction=0x0000, frequency=10e6,
debug=self.debug_mpsse)
gpio_out.configure(self.urls[1], direction=0xFFFF, frequency=10e6,
debug=self.debug_mpsse)
for out in range(3, 0x10000, 29):
gpio_out.write(out)
outv = gpio_out.read()[0]
inv = gpio_in.read()[0]
# check inputs match outputs
self.assertEqual(inv, out)
# check level of outputs match the ones written
self.assertEqual(outv, out)
gpio_in.close()
gpio_out.close()
def test_peek_gpio(self):
"""Check I/O peeking
"""
gpio_in, gpio_out = GpioMpsseController(), GpioMpsseController()
gpio_in.configure(self.urls[0], direction=0xFF00, frequency=10e6,
debug=self.debug)
gpio_out.configure(self.urls[1], direction=0x00FF, frequency=10e6,
debug=self.debug)
for out in range(256):
gpio_out.write(out)
outv = gpio_out.read()[0]
inv = gpio_in.read(peek=True)
# check inputs match outputs
self.assertEqual(inv, out)
#print(f'{out} {inv}')
# check level of outputs match the ones written
self.assertEqual(outv, out)
gpio_in.close()
gpio_out.close()
def test_stream_gpio(self):
"""Check I/O streaming.
Beware this test is CPU intensive w/ virtual framework
"""
gpio_in, gpio_out = GpioMpsseController(), GpioMpsseController()
gpio_in.configure(self.urls[0], direction=0x0000, frequency=10e6,
debug=self.debug)
gpio_out.configure(self.urls[1], direction=0xFFFF, frequency=10e6,
debug=self.debug)
outv = list(range(0, 0x10000, 29))
max_count = min(gpio_out.ftdi.fifo_sizes[0],
gpio_in.ftdi.fifo_sizes[1])//2 # 2 bytes/value
outv = outv[:max_count]
gpio_out.write(outv)
inv = gpio_in.read(len(outv))
# for now, it is hard to test value exactness
self.assertEqual(len(outv), len(inv))
gpio_in.close()
gpio_out.close()
#!/usr/bin/env python
from pyftdi.gpio import GpioMpsseController
import time
pin = 4
delay = 0.1
controller = GpioMpsseController()
try:
controller.configure(
"ftdi://ftdi:ft232h/1",
frequency=1e6,
direction=0x0000)
gpio = controller.get_gpio()
while True:
print(gpio.read()[0] >> pin & 1)
time.sleep(delay)
finally:
controller.close()
#!/usr/bin/env python
from pyftdi.gpio import GpioMpsseController
import time
def toggle(gpio, delay):
gpio.write(0x0000 & gpio.direction)
print('off', bin(gpio.read()[0]))
time.sleep(delay)
gpio.write(0xFFFF & gpio.direction)
print('on ', bin(gpio.read()[0]))
time.sleep(delay)
delay = 1
controller = GpioMpsseController()
try:
controller.configure("ftdi://ftdi:ft232h/1",
frequency=100,
direction=0xFFFF,
initial=0x0000)
gpio = controller.get_gpio()
while True:
toggle(gpio, delay)
finally:
controller.close()
