kopia lustrzana https://github.com/micropython/micropython
119 wiersze
2.5 KiB
Python
119 wiersze
2.5 KiB
Python
"""
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Timer test for the CC3200 based boards.
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"""
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from machine import Timer
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import os
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import time
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mch = os.uname().machine
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if "LaunchPad" in mch:
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pwm_pin = "GP24"
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elif "WiPy" in mch:
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pwm_pin = "GP24"
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else:
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raise Exception("Board not supported!")
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for i in range(4):
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tim = Timer(i, mode=Timer.PERIODIC)
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print(tim)
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ch = tim.channel(Timer.A, freq=5)
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print(ch)
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ch = tim.channel(Timer.B, freq=5)
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print(ch)
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tim = Timer(i, mode=Timer.ONE_SHOT)
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print(tim)
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ch = tim.channel(Timer.A, freq=50)
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print(ch)
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ch = tim.channel(Timer.B, freq=50)
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print(ch)
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tim = Timer(i, mode=Timer.PWM)
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print(tim)
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ch = tim.channel(Timer.A, freq=50000, duty_cycle=2000, polarity=Timer.POSITIVE)
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print(ch)
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ch = tim.channel(Timer.B, freq=50000, duty_cycle=8000, polarity=Timer.NEGATIVE)
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print(ch)
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tim.deinit()
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print(tim)
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for i in range(4):
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tim = Timer(i, mode=Timer.PERIODIC)
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tim.deinit()
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class TimerTest:
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def __init__(self):
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self.tim = Timer(0, mode=Timer.PERIODIC)
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self.int_count = 0
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def timer_isr(self, tim_ch):
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self.int_count += 1
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timer_test = TimerTest()
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ch = timer_test.tim.channel(Timer.A, freq=5)
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print(ch.freq() == 5)
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ch.irq(handler=timer_test.timer_isr, trigger=Timer.TIMEOUT)
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time.sleep_ms(1001)
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print(timer_test.int_count == 5)
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ch.freq(100)
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timer_test.int_count = 0
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time.sleep_ms(1001)
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print(timer_test.int_count == 100)
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ch.freq(1000)
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time.sleep_ms(1500)
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timer_test.int_count = 0
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time.sleep_ms(2000)
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print(timer_test.int_count == 2000)
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timer_test.tim.deinit()
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timer_test.tim.init(mode=Timer.ONE_SHOT)
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ch = timer_test.tim.channel(Timer.A, period=100000)
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ch.irq(handler=timer_test.timer_isr, trigger=Timer.TIMEOUT)
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timer_test.int_count = 0
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time.sleep_ms(101)
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print(timer_test.int_count == 1)
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time.sleep_ms(101)
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print(timer_test.int_count == 1)
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timer_test.tim.deinit()
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print(timer_test.tim)
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# 32 bit modes
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tim = Timer(0, mode=Timer.PERIODIC, width=32)
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ch = tim.channel(Timer.A | Timer.B, period=5000000)
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# check for memory leaks...
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for i in range(1000):
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tim = Timer(0, mode=Timer.PERIODIC)
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ch = tim.channel(Timer.A, freq=5)
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# next ones must fail
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try:
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tim = Timer(0, mode=12)
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except:
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print("Exception")
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try:
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tim = Timer(4, mode=Timer.ONE_SHOT)
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except:
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print("Exception")
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try:
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tim = Timer(0, mode=Timer.PWM, width=32)
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except:
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print("Exception")
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tim = Timer(0, mode=Timer.PWM)
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try:
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ch = tim.channel(TIMER_A | TIMER_B, freq=10)
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except:
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print("Exception")
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try:
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ch = tim.channel(TIMER_A, freq=4)
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except:
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print("Exception")
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