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PWM (pwm)

Pulse width modulator.

Device Type​

DEVICE_TYPE_PWM

Structure​

struct pwm_t {
    char * name;
    int (*config)(struct pwm_t * pwm, int duty, int period, int polarity);
    int (*enable)(struct pwm_t * pwm);
    int (*disable)(struct pwm_t * pwm);
    void * priv;
};

Key API​

FunctionDescription
search_pwm(name)Find PWM by name
register_pwm(pwm, drv)Register PWM
unregister_pwm(pwm)Unregister PWM
pwm_config(pwm, duty, period, polarity)Configure PWM
pwm_enable/disable(pwm)Enable/disable PWM

Description​

Pulse width modulator interface. Configures the duty cycle, period, and polarity of the PWM output. Used for motor control, LED dimming, and tone generation.