Python Uio.fileno示例

示例#1

文件： intc-test-asyncio.py 项目： silver2row/py-uio

params1.interval = round(0.5 * 1e8)
params1.event = EVENT1

# start cores
core0.run()
core1.run()


def handle_events():
    while True:
        event = intc.out_event[IRQ]
        if event < 0:
            break
        intc.ev_clear_one(event)
        print("event", event)


def irq_callback():
    irq.irq_recv()
    handle_events()
    intc.out_enable_one(IRQ)


loop.add_reader(irq.fileno(), irq_callback)
intc.out_enable_one(IRQ)

try:
    loop.run_forever()
except KeyboardInterrupt:
    pass

示例#2

文件： intc-test-asyncio.py 项目： mvduin/py-uio

params0.event = EVENT0

params1 = core1.dram.map( Params )
params1.interval = round( 0.5 * 1e8 )
params1.event = EVENT1

# start cores
core0.run()
core1.run()

def handle_events():
    while True:
        event = intc.out_event[ IRQ ]
        if event < 0:
            break
        intc.ev_clear_one( event )
        print( "event", event )

def irq_callback():
    irq.irq_recv()
    handle_events()
    intc.out_enable_one( IRQ )

loop.add_reader( irq.fileno(), irq_callback )
intc.out_enable_one( IRQ )

try:
    loop.run_forever()
except KeyboardInterrupt:
    pass

示例#3

文件： intc-test-c++.py 项目： mvduin/py-uio

# map and set parameters
class Params(ctypes.Structure):
    _fields_ = [
        ("interval", ctypes.c_uint32),  # in 10ns units
        ("event", ctypes.c_uint8),
    ]


params0 = core0.dram.map(Params)
params0.interval = round(1.0 * 1e8)
params0.event = EVENT0

params1 = core1.dram.map(Params)
params1.interval = round(0.5 * 1e8)
params1.event = EVENT1

# start cores
core0.run()
core1.run()

fd = irq.fileno()
os.set_inheritable(fd, True)

os.environ['uio:mem:pruss-intc'] = f'{fd},0,{0x20000}'
os.environ['uio-pruss:irq:test'] = f'{fd},{IRQ}'

exec_path = 'intc-test-c++/intc-test-c++'
os.execl(exec_path,
         exec_path.split('/')[-1])

示例#4

文件： gpio-irq-asyncio.py 项目： silver2row/py-uio

#!/usr/bin/python3

import asyncio
from uio.device import Uio

loop = asyncio.get_event_loop()

pin = Uio("/dev/uio/gpio-irq", blocking=False)
pin.irq_enable()


def irq_callback():
    pin.irq_recv()
    print("Ping!")

    # If the irq is level-triggered instead of edge-triggered, you should
    # ensure that it is no longer asserted before reenabling it, otherwise
    # it will just immediately trigger again.
    pin.irq_enable()


loop.add_reader(pin.fileno(), irq_callback)

loop.run_forever()

示例#5

文件： gpio-irq-asyncio.py 项目： mvduin/py-uio

#!/usr/bin/python3

import asyncio
from uio.device import Uio

loop = asyncio.get_event_loop()

pin = Uio( "/dev/uio/gpio-irq", blocking=False )
pin.irq_enable()

def irq_callback():
    pin.irq_recv()
    print( "Ping!" )

    # If the irq is level-triggered instead of edge-triggered, you should
    # ensure that it is no longer asserted before reenabling it, otherwise
    # it will just immediately trigger again.
    pin.irq_enable()

loop.add_reader( pin.fileno(), irq_callback )

loop.run_forever()