| 45 | } |
| 46 | |
| 47 | bool St7735Display::createPanelHandle(esp_lcd_panel_io_handle_t ioHandle, esp_lcd_panel_handle_t& panelHandle) { |
| 48 | |
| 49 | const esp_lcd_panel_dev_config_t panel_config = { |
| 50 | .reset_gpio_num = configuration->resetPin, |
| 51 | .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_BGR, |
| 52 | .data_endian = LCD_RGB_DATA_ENDIAN_LITTLE, |
| 53 | .bits_per_pixel = 16, |
| 54 | .flags = { |
| 55 | .reset_active_high = false |
| 56 | }, |
| 57 | .vendor_config = nullptr |
| 58 | }; |
| 59 | |
| 60 | if (esp_lcd_new_panel_st7735(ioHandle, &panel_config, &panelHandle) != ESP_OK) { |
| 61 | LOGGER.error("Failed to create panel"); |
| 62 | return false; |
| 63 | } |
| 64 | |
| 65 | if (esp_lcd_panel_reset(panelHandle) != ESP_OK) { |
| 66 | LOGGER.error("Failed to reset panel"); |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | if (esp_lcd_panel_init(panelHandle) != ESP_OK) { |
| 71 | LOGGER.error("Failed to init panel"); |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | if (esp_lcd_panel_invert_color(panelHandle, configuration->invertColor) != ESP_OK) { |
| 76 | LOGGER.error("Failed to set panel to invert"); |
| 77 | return false; |
| 78 | } |
| 79 | |
| 80 | // Warning: it looks like LVGL rotation is broken when "gap" is set and the screen is moved to a non-default orientation |
| 81 | int gap_x = configuration->swapXY ? configuration->gapY : configuration->gapX; |
| 82 | int gap_y = configuration->swapXY ? configuration->gapX : configuration->gapY; |
| 83 | if (esp_lcd_panel_set_gap(panelHandle, gap_x, gap_y) != ESP_OK) { |
| 84 | LOGGER.error("Failed to set panel gap"); |
| 85 | return false; |
| 86 | } |
| 87 | |
| 88 | if (esp_lcd_panel_swap_xy(panelHandle, configuration->swapXY) != ESP_OK) { |
| 89 | LOGGER.error("Failed to swap XY "); |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | if (esp_lcd_panel_mirror(panelHandle, configuration->mirrorX, configuration->mirrorY) != ESP_OK) { |
| 94 | LOGGER.error("Failed to set panel to mirror"); |
| 95 | return false; |
| 96 | } |
| 97 | |
| 98 | if (esp_lcd_panel_disp_on_off(panelHandle, true) != ESP_OK) { |
| 99 | LOGGER.error("Failed to turn display on"); |
| 100 | return false; |
| 101 | } |
| 102 | |
| 103 | return true; |
| 104 | } |