STATIC void pyb_pwm_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
pyb_pwm_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_printf(print, "PWM(%u", self->pin->phys_port);
if (self->active) {
mp_printf(print, ", freq=%u, duty=%u",
pwm_get_freq(self->channel), pwm_get_duty(self->channel));
}
mp_printf(print, ")");
}
/******************************************************************************
* FunctionName : user_light_set_duty
* Description : set pwm frequency
* Parameters : uint16 freq : 100hz typically
* Returns : NONE
*******************************************************************************/
void ICACHE_FLASH_ATTR
user_light_set_freq(uint16 freq)
{
if (freq != light_param.pwm_freq) {
pwm_set_freq(freq);
light_param.pwm_freq = pwm_get_freq();
}
}
// Return the PWM clock
// NOTE: Can't find a function to query for the period set for the timer,
// therefore using the struct.
// This may require adjustment if driver libraries are updated.
uint32_t platform_pwm_get_clock( unsigned pin )
{
// NODE_DBG("Function platform_pwm_get_clock() is called.\n");
if( pin >= NUM_PWM)
return 0;
if(!pwm_exist(pin))
return 0;
return (uint32_t)pwm_get_freq(pin);
}
// Set the PWM clock
uint32_t platform_pwm_set_clock( unsigned pin, uint32_t clock )
{
// NODE_DBG("Function platform_pwm_set_clock() is called.\n");
if( pin >= NUM_PWM)
return 0;
if(!pwm_exist(pin))
return 0;
pwm_set_freq((uint16_t)clock, pin);
pwm_start();
return (uint32_t)pwm_get_freq( pin );
}
