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pwm dont start when duty is set

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This commit is contained in:
lilian 2017-11-22 22:33:21 +01:00
parent 1cf766f1b5
commit d3854edd20
1 changed files with 16 additions and 9 deletions
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25
extras/pwm/pwm.c
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@ -33,6 +33,7 @@ typedef enum {
typedef struct pwmInfoDefinition
{
uint8_t running;
bool output;
uint16_t freq;
uint16_t dutyCycle;
@ -131,21 +132,21 @@ void pwm_set_freq(uint16_t freq)
void pwm_set_duty(uint16_t duty)
{
bool output;
pwmInfo.dutyCycle = duty;
if (duty > 0 && duty < UINT16_MAX) {
pwm_restart();
return;
}
// 0% and 100% duty cycle are special cases: constant output.
pwm_stop();
pwmInfo.running = 1;
output = (duty == UINT16_MAX);
for (uint8_t i = 0; i < pwmInfo.usedPins; ++i)
pwmInfo.output = (duty == UINT16_MAX);
if (pwmInfo.running)
{
gpio_write(pwmInfo.pins[i].pin, output);
pwm_stop();
pwmInfo.running = 1;
for (uint8_t i = 0; i < pwmInfo.usedPins; ++i)
{
gpio_write(pwmInfo.pins[i].pin, pwmInfo.output);
}
}
}
@ -178,7 +179,13 @@ void pwm_start()
timer_set_interrupts(FRC1, true);
timer_set_run(FRC1, true);
}
else
{
for (uint8_t i = 0; i < pwmInfo.usedPins; ++i)
{
gpio_write(pwmInfo.pins[i].pin, pwmInfo.output);
}
}
pwmInfo.running = 1;
}