def gpio_thread(arg):
global _state
while _state != -1:
if BUILDROOT_GPIOD:
bulk_event = gpiod.LineBulk([_b1, _b2, _b3])
bulk_event.request(consumer='PiPlayer',
type=gpiod.LINE_REQ_EV_FALLING_EDGE)
events = bulk_event.event_wait(sec=2)
else:
bulk_event = gpiod.line_bulk([_b1, _b2, _b3])
config = gpiod.line_request()
config.consumer = 'PiPlayer'
config.request_type = gpiod.line_request.EVENT_FALLING_EDGE
bulk_event.request(config)
events = bulk_event.event_wait(timedelta(seconds=2))
if events is None or (not BUILDROOT_GPIOD and events.size == 0):
bulk_event.release()
continue
if BUILDROOT_GPIOD:
button = events[0]
offset = button.offset()
else:
button = events.get(0)
offset = button.offset
sleep(0.5)
if button.get_value() == 1:
_select_action(offset)
bulk_event.release()
def create_empty_line_bulk():
try:
lines = gpiod.LineBulk()
except TypeError:
print('Error as expected')
return
assert False, 'TypeError expected'
def create_line_bulk_from_lines():
chip = gpiod.Chip('gpio-mockup-A')
line1 = chip.get_line(2)
line2 = chip.get_line(4)
line3 = chip.get_line(6)
lines = gpiod.LineBulk([line1, line2, line3])
print('Created LineBulk:')
print(lines)
import gpiod
import config
import event
d0 = config.chip.get_line(config.d0)
d1 = config.chip.get_line(config.d1)
lines = gpiod.LineBulk([d0, d1])
lines.request(consumer=config.name,
type=gpiod.LINE_REQ_DIR_IN) # prevent initial interrupt
lines.release()
lines.request(consumer=config.name, type=gpiod.LINE_REQ_EV_FALLING_EDGE)
reading = False
data = 0
class Card:
def __init__(self, number, facility):
self.number = number
self.facility = facility
def __str__(self):
return f'{self.facility}:{self.number}'
def parity(datain, p):
while datain:
p ^= datain & 1
datain >>= 1
return p