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Pass time array as argument to allow importing pico_timer functions without dependency on global variables #4

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Pass time array as argument to allow importing pico_timer functions without dependency on global variables #4

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8 changes: 4 additions & 4 deletions pico_timer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,12 +69,12 @@ def timer_dma_init(timer):
return dma

# Start frequency measurment using interval times
def timer_start(timer, dma):
def timer_start(timer, dma, time_array):
timer.set_ctr(0)
timer.set_enabled(True)
dma.abort()
dma.set_write_addr(devs.addressof(time_data))
dma.set_trans_count(NTIMES, True)
dma.set_write_addr(devs.addressof(time_array))
dma.set_trans_count(len(time_array), True)

# Stop frequency measurment using interval times
def timer_stop(timer):
Expand All @@ -88,7 +88,7 @@ def timer_stop(timer):
timer_pwm = timer_init(PWM_IN_PIN)
timer_dma = timer_dma_init(timer_pwm)

timer_start(timer_pwm, timer_dma)
timer_start(timer_pwm, timer_dma, time_data)
time.sleep(1.0)
timer_stop(timer_pwm)

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