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Special state = don't set timer, safer

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This commit is contained in:
lilian 2017-11-20 08:24:45 +01:00
parent 0555625688
commit c50201ee43
1 changed files with 9 additions and 9 deletions
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18
extras/pwm/pwm.c
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@ -123,12 +123,9 @@ void pwm_set_freq(uint16_t freq)
timer_set_frequency(FRC1, freq); timer_set_frequency(FRC1, freq);
pwmInfo._maxLoad = timer_get_load(FRC1); pwmInfo._maxLoad = timer_get_load(FRC1);
if (pwmInfo.dutyCycle > 0 && pwmInfo.dutyCycle < UINT16_MAX) if (pwmInfo.running)
{ {
if (pwmInfo.running) pwm_start();
{
pwm_start();
}
} }
} }
@ -174,10 +171,13 @@ void pwm_start()
gpio_write(pwmInfo.pins[i].pin, true); gpio_write(pwmInfo.pins[i].pin, true);
} }
timer_set_load(FRC1, pwmInfo._onLoad); if (pwmInfo.dutyCycle > 0 && pwmInfo.dutyCycle < UINT16_MAX)
timer_set_reload(FRC1, false); {
timer_set_interrupts(FRC1, true); timer_set_load(FRC1, pwmInfo._onLoad);
timer_set_run(FRC1, true); timer_set_reload(FRC1, false);
timer_set_interrupts(FRC1, true);
timer_set_run(FRC1, true);
}
pwmInfo.running = 1; pwmInfo.running = 1;
} }