Added int_frac function for configuring PWM (#768)
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@ -134,6 +134,22 @@ static inline void pwm_config_set_clkdiv_int(pwm_config *c, uint div) {
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c->div = div << PWM_CH0_DIV_INT_LSB;
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c->div = div << PWM_CH0_DIV_INT_LSB;
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}
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}
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/** \brief Set PWM clock divider in a PWM configuration using an 8:4 fractional value
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* \ingroup hardware_pwm
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*
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* \param c PWM configuration struct to modify
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* \param integer 8 bit integer part of the clock divider. Must be greater than or equal to 1.
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* \param fract 4 bit fractional part of the clock divider
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*
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* If the divide mode is free-running, the PWM counter runs at clk_sys / div.
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* Otherwise, the divider reduces the rate of events seen on the B pin input (level or edge)
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* before passing them on to the PWM counter.
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*/
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static inline void pwm_config_set_clkdiv_int_frac(pwm_config *c, uint8_t integer, uint8_t fract) {
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valid_params_if(PWM, fract < 16);
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c->div = (((uint)integer) << PWM_CH0_DIV_INT_LSB) | (((uint)fract) << PWM_CH0_DIV_FRAC_LSB);
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}
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/** \brief Set PWM counting mode in a PWM configuration
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/** \brief Set PWM counting mode in a PWM configuration
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* \ingroup hardware_pwm
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* \ingroup hardware_pwm
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*
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*
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