| 41 | } |
| 42 | |
| 43 | void PaperS3Power::buzzerLedcInit() { |
| 44 | if (buzzerInitialized) { |
| 45 | LOG_I(TAG, "Buzzer already initialized"); |
| 46 | return; |
| 47 | } |
| 48 | |
| 49 | ledc_timer_config_t timer_cfg = { |
| 50 | .speed_mode = LEDC_LOW_SPEED_MODE, |
| 51 | .duty_resolution = LEDC_TIMER_13_BIT, |
| 52 | .timer_num = LEDC_TIMER_0, |
| 53 | .freq_hz = 1000, |
| 54 | .clk_cfg = LEDC_AUTO_CLK, |
| 55 | .deconfigure = false |
| 56 | }; |
| 57 | esp_err_t err = ledc_timer_config(&timer_cfg); |
| 58 | if (err != ESP_OK) { |
| 59 | LOG_E(TAG, "LEDC timer config failed: %s", esp_err_to_name(err)); |
| 60 | return; |
| 61 | } |
| 62 | |
| 63 | ledc_channel_config_t channel_cfg = { |
| 64 | .gpio_num = BUZZER_PIN, |
| 65 | .speed_mode = LEDC_LOW_SPEED_MODE, |
| 66 | .channel = LEDC_CHANNEL_0, |
| 67 | .intr_type = LEDC_INTR_DISABLE, |
| 68 | .timer_sel = LEDC_TIMER_0, |
| 69 | .duty = 0, |
| 70 | .hpoint = 0, |
| 71 | .sleep_mode = LEDC_SLEEP_MODE_NO_ALIVE_NO_PD, |
| 72 | .flags = { |
| 73 | .output_invert = 0 |
| 74 | } |
| 75 | }; |
| 76 | err = ledc_channel_config(&channel_cfg); |
| 77 | if (err != ESP_OK) { |
| 78 | LOG_E(TAG, "LEDC channel config failed: %s", esp_err_to_name(err)); |
| 79 | return; |
| 80 | } |
| 81 | |
| 82 | buzzerInitialized = true; |
| 83 | } |
| 84 | |
| 85 | void PaperS3Power::initializePowerOff() { |
| 86 | if (powerOffInitialized) { |
nothing calls this directly
no outgoing calls
no test coverage detected