diff options
| -rw-r--r-- | ports/esp32/machine_pwm.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/ports/esp32/machine_pwm.c b/ports/esp32/machine_pwm.c index 6e3610b15..782676955 100644 --- a/ports/esp32/machine_pwm.c +++ b/ports/esp32/machine_pwm.c @@ -156,7 +156,13 @@ static void pwm_deinit(int channel_idx) { int timer_idx = chans[channel_idx].timer_idx; if (timer_idx != -1) { if (!is_timer_in_use(channel_idx, timer_idx)) { - check_esp_err(ledc_timer_rst(TIMER_IDX_TO_MODE(timer_idx), TIMER_IDX_TO_TIMER(timer_idx))); + check_esp_err(ledc_timer_pause(TIMER_IDX_TO_MODE(timer_idx), TIMER_IDX_TO_TIMER(timer_idx))); + ledc_timer_config_t timer_config = { + .deconfigure = true, + .speed_mode = TIMER_IDX_TO_MODE(timer_idx), + .timer_num = TIMER_IDX_TO_TIMER(timer_idx), + }; + check_esp_err(ledc_timer_config(&timer_config)); // Flag it unused timers[chans[channel_idx].timer_idx].freq_hz = -1; } @@ -635,7 +641,13 @@ static void mp_machine_pwm_freq_set(machine_pwm_obj_t *self, mp_int_t freq) { if (!current_in_use) { // Free the old timer - check_esp_err(ledc_timer_rst(self->mode, self->timer)); + check_esp_err(ledc_timer_pause(self->mode, self->timer)); + ledc_timer_config_t timer_config = { + .deconfigure = true, + .speed_mode = self->mode, + .timer_num = self->timer, + }; + check_esp_err(ledc_timer_config(&timer_config)); // Flag it unused timers[current_timer_idx].freq_hz = -1; } |