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'''
Pin IRQ test for the CC3200 based boards.
'''
from machine import Pin
import machine
import os
import time
mch = os.uname().machine
if 'LaunchPad' in mch:
pins = ['GP16', 'GP13']
elif 'WiPy' in mch:
pins = ['GP16', 'GP13']
else:
raise Exception('Board not supported!')
pin0 = Pin(pins[0], mode=Pin.OUT, value=1)
pin1 = Pin(pins[1], mode=Pin.IN, pull=Pin.PULL_UP)
def pin_handler (pin_o):
global pin_irq_count_trigger
global pin_irq_count_total
global _trigger
if _trigger & pin1_irq.flags():
pin_irq_count_trigger += 1
pin_irq_count_total += 1
pin_irq_count_trigger = 0
pin_irq_count_total = 0
_trigger = Pin.IRQ_FALLING
pin1_irq = pin1.irq(trigger=_trigger, handler=pin_handler)
for i in range (0, 10):
pin0.toggle()
time.sleep_ms(5)
print(pin_irq_count_trigger == 5)
print(pin_irq_count_total == 5)
pin_irq_count_trigger = 0
pin_irq_count_total = 0
_trigger = Pin.IRQ_RISING
pin1_irq = pin1.irq(trigger=_trigger, handler=pin_handler)
for i in range (0, 200):
pin0.toggle()
time.sleep_ms(5)
print(pin_irq_count_trigger == 100)
print(pin_irq_count_total == 100)
pin1_irq.disable()
pin0(1)
pin_irq_count_trigger = 0
pin_irq_count_total = 0
_trigger = Pin.IRQ_FALLING
pin1_irq.init(trigger=_trigger, handler=pin_handler)
pin0(0)
time.sleep_us(50)
print(pin_irq_count_trigger == 1)
print(pin_irq_count_total == 1)
pin0(1)
time.sleep_us(50)
print(pin_irq_count_trigger == 1)
print(pin_irq_count_total == 1)
# check the call method
pin1_irq()
print(pin_irq_count_trigger == 1) # no flags since the irq was manually triggered
print(pin_irq_count_total == 2)
pin1_irq.disable()
pin_irq_count_trigger = 0
pin_irq_count_total = 0
for i in range (0, 10):
pin0.toggle()
time.sleep_ms(5)
print(pin_irq_count_trigger == 0)
print(pin_irq_count_total == 0)
# test waking up from suspended mode on low level
pin0(0)
t0 = time.ticks_ms()
pin1_irq.init(trigger=Pin.IRQ_LOW_LEVEL, wake=machine.SLEEP)
machine.sleep()
print(time.ticks_ms() - t0 < 10)
print('Awake')
# test waking up from suspended mode on high level
pin0(1)
t0 = time.ticks_ms()
pin1_irq.init(trigger=Pin.IRQ_HIGH_LEVEL, wake=machine.SLEEP)
machine.sleep()
print(time.ticks_ms() - t0 < 10)
print('Awake')
# check for memory leaks
for i in range(0, 1000):
pin0_irq = pin0.irq(trigger=_trigger, handler=pin_handler)
pin1_irq = pin1.irq(trigger=_trigger, handler=pin_handler)
# next ones must raise
try:
pin1_irq.init(trigger=123456, handler=pin_handler)
except:
print('Exception')
try:
pin1_irq.init(trigger=Pin.IRQ_LOW_LEVEL, wake=1789456)
except:
print('Exception')
try:
pin0_irq = pin0.irq(trigger=Pin.IRQ_RISING, wake=machine.SLEEP) # GP16 can't wake up from DEEPSLEEP
except:
print('Exception')
pin0_irq.disable()
pin1_irq.disable()
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