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pwmout - add read methods for period and pulsewidth

pull/13492/head
talorion 2020-08-25 20:32:06 +02:00 committed by Gregor Mayramhof
parent 9073a48667
commit e55421aaa4
1 changed files with 16 additions and 0 deletions
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16
hal/include/hal/pwmout_api.h
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@ -44,9 +44,11 @@ typedef struct pwmout_s pwmout_t;
* * ::pwmout_period sets the PWM period specified in seconds, keeping the duty cycle the same
* * ::pwmout_period_ms sets the PWM period specified in miliseconds, keeping the duty cycle the same
* * ::pwmout_period_us sets the PWM period specified in microseconds, keeping the duty cycle the same
* * ::pwmout_read_period_us reads the PWM period specified in microseconds
* * ::pwmout_pulsewidth sets the PWM pulsewidth specified in seconds, keeping the period the same
* * ::pwmout_pulsewidth_ms sets the PWM pulsewidth specified in miliseconds, keeping the period the same
* * ::pwmout_pulsewidth_us sets the PWM pulsewidth specified in microseconds, keeping the period the same
* * ::pwmout_read_pulsewidth_us read the PWM pulsewidth specified in microseconds
* * The accuracy of the PWM is +/- 10%
* * The PWM operations ::pwmout_write, ::pwmout_read, ::pwmout_read, ::pwmout_period_ms, ::pwmout_period_us
* ::pwmout_pulsewidth, ::pwmout_pulsewidth_ms, ::pwmout_pulsewidth_us take less than 20us to complete
@ -125,6 +127,13 @@ void pwmout_period_ms(pwmout_t *obj, int ms);
*/
void pwmout_period_us(pwmout_t *obj, int us);
/** Read the PWM period specified in microseconds
*
* @param obj The pwmout object
* @return A int output period
*/
int pwmout_read_period_us(pwmout_t *obj);
/** Set the PWM pulsewidth specified in seconds, keeping the period the same.
*
* @param obj The pwmout object
@ -146,6 +155,13 @@ void pwmout_pulsewidth_ms(pwmout_t *obj, int ms);
*/
void pwmout_pulsewidth_us(pwmout_t *obj, int us);
/** Read the PWM pulsewidth specified in microseconds
*
* @param obj The pwmout object
* @return A int output pulsewitdth
*/
int pwmout_read_pulsewidth_us(pwmout_t *obj);
/** Get the pins that support PWM
*
* Return a PinMap array of pins that support PWM.