diff options
Diffstat (limited to 'peripheral/libmraa/api/mraa/pwm.h')
| -rw-r--r-- | peripheral/libmraa/api/mraa/pwm.h | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/peripheral/libmraa/api/mraa/pwm.h b/peripheral/libmraa/api/mraa/pwm.h index d6f17df..ef78110 100644 --- a/peripheral/libmraa/api/mraa/pwm.h +++ b/peripheral/libmraa/api/mraa/pwm.h @@ -65,7 +65,7 @@ mraa_pwm_context mraa_pwm_init(int pin); mraa_pwm_context mraa_pwm_init_raw(int chipid, int pin); /** - * Set the output duty-cycle percentage, as a float + * Set the ouput duty-cycle percentage, as a float * * @param dev The Pwm context to use * @param percentage A floating-point value representing percentage of output. @@ -76,7 +76,7 @@ mraa_pwm_context mraa_pwm_init_raw(int chipid, int pin); mraa_result_t mraa_pwm_write(mraa_pwm_context dev, float percentage); /** - * Read the output duty-cycle percentage, as a float + * Read the ouput duty-cycle percentage, as a float * * @param dev The Pwm context to use * @return percentage A floating-point value representing percentage of output. @@ -167,20 +167,38 @@ mraa_result_t mraa_pwm_owner(mraa_pwm_context dev, mraa_boolean_t owner); mraa_result_t mraa_pwm_close(mraa_pwm_context dev); /** - * Get the maximum pwm period in us + * Set Both Period and DutyCycle on a PWM context + * + * @param dev The pwm context to use + * @param period represented in ms. + * @param duty dutycycle of the pwm signal. + * @return Result of operation + */ +mraa_result_t mraa_pwm_config_ms(mraa_pwm_context dev, int period, float duty); + +/** + * Set Both Period and DutyCycle on a PWM context. Duty represented as percentage. * * @param dev The pwm context to use + * @param period represented in ms. + * @param duty duty percantage. i.e. 50% = 0.5f + * @return Result of operation + */ +mraa_result_t mraa_pwm_config_percent(mraa_pwm_context dev, int period, float duty); + +/** + * Get the maximum pwm period in us + * * @return max pwm in us */ -int mraa_pwm_get_max_period(mraa_pwm_context dev); +int mraa_pwm_get_max_period(); /** * Get the minimum pwm period in us * - * @param dev The pwm context to use * @return min pwm in us */ -int mraa_pwm_get_min_period(mraa_pwm_context dev); +int mraa_pwm_get_min_period(); #ifdef __cplusplus } |