/* Note: In order to improve efficiency, register is operated directly  */
static void ledc_set_left_duty_fast(uint32_t duty_val)
/* Note: In order to improve efficiency, register is operated directly  */
static void ledc_set_left_duty_fast(uint32_t duty_val)
{
    pwm_audio_handle_t handle = g_pwm_audio_handle;
    R_GPT_DutyCycleSet(handle->pwm_timer_ctrl, duty_val, GPT_IO_PIN_GTIOCA);
}