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Merge branch 'lvgl-all-the-things' of https://github.com/mutatrum/ESP…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| #include <stdio.h> | ||
| #include "freertos/FreeRTOS.h" | ||
| #include "freertos/task.h" | ||
| #include "esp_timer.h" | ||
| #include "esp_lcd_panel_io.h" | ||
| #include "esp_lcd_panel_ops.h" | ||
| #include "esp_err.h" | ||
| #include "esp_log.h" | ||
| #include "esp_check.h" | ||
| #include "lvgl.h" | ||
| #include "lvgl__lvgl/src/themes/lv_theme_private.h" | ||
| #include "esp_lvgl_port.h" | ||
| #include "global_state.h" | ||
| #include "nvs_config.h" | ||
| #include "i2c_bitaxe.h" | ||
| #include "driver/i2c_master.h" | ||
| #include "driver/i2c_types.h" | ||
| #include "esp_lcd_panel_ssd1306.h" | ||
|
|
||
| #define SSD1306_I2C_ADDRESS 0x3C | ||
|
|
||
| #define LCD_H_RES 128 | ||
| #define LCD_V_RES 32 | ||
| #define LCD_CMD_BITS 8 | ||
| #define LCD_PARAM_BITS 8 | ||
|
|
||
| static const char * TAG = "display"; | ||
|
|
||
| static lv_theme_t theme; | ||
| static lv_style_t scr_style; | ||
|
|
||
| extern const lv_font_t lv_font_portfolio_6x8; | ||
|
|
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| static void theme_apply(lv_theme_t *theme, lv_obj_t *obj) { | ||
| if (lv_obj_get_parent(obj) == NULL) { | ||
| lv_obj_add_style(obj, &scr_style, LV_PART_MAIN); | ||
| } | ||
| } | ||
|
|
||
| esp_err_t display_init(void * pvParameters) | ||
| { | ||
| GlobalState * GLOBAL_STATE = (GlobalState *) pvParameters; | ||
|
|
||
| uint8_t flip_screen = nvs_config_get_u16(NVS_CONFIG_FLIP_SCREEN, 1); | ||
| uint8_t invert_screen = nvs_config_get_u16(NVS_CONFIG_INVERT_SCREEN, 0); | ||
|
|
||
| i2c_master_bus_handle_t i2c_master_bus_handle; | ||
| ESP_RETURN_ON_ERROR(i2c_bitaxe_get_master_bus_handle(&i2c_master_bus_handle), TAG, "Failed to get i2c master bus handle"); | ||
|
|
||
| ESP_LOGI(TAG, "Install panel IO"); | ||
| esp_lcd_panel_io_handle_t io_handle = NULL; | ||
| esp_lcd_panel_io_i2c_config_t io_config = { | ||
| .scl_speed_hz = I2C_BUS_SPEED_HZ, | ||
| .dev_addr = SSD1306_I2C_ADDRESS, | ||
| .control_phase_bytes = 1, | ||
| .lcd_cmd_bits = LCD_CMD_BITS, | ||
| .lcd_param_bits = LCD_PARAM_BITS, | ||
| .dc_bit_offset = 6 | ||
| }; | ||
|
|
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| ESP_RETURN_ON_ERROR(esp_lcd_new_panel_io_i2c(i2c_master_bus_handle, &io_config, &io_handle), TAG, "Failed to initialise i2c panel bus"); | ||
|
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| ESP_LOGI(TAG, "Install SSD1306 panel driver"); | ||
| esp_lcd_panel_handle_t panel_handle = NULL; | ||
| esp_lcd_panel_dev_config_t panel_config = { | ||
| .bits_per_pixel = 1, | ||
| .reset_gpio_num = -1, | ||
| }; | ||
|
|
||
| esp_lcd_panel_ssd1306_config_t ssd1306_config = { | ||
| .height = LCD_V_RES, | ||
| }; | ||
| panel_config.vendor_config = &ssd1306_config; | ||
|
|
||
| ESP_RETURN_ON_ERROR(esp_lcd_new_panel_ssd1306(io_handle, &panel_config, &panel_handle), TAG, "No display found"); | ||
| ESP_RETURN_ON_ERROR(esp_lcd_panel_reset(panel_handle), TAG, "Panel reset failed"); | ||
| esp_err_t esp_lcd_panel_init_err = esp_lcd_panel_init(panel_handle); | ||
| if (esp_lcd_panel_init_err != ESP_OK) { | ||
| ESP_LOGE(TAG, "Panel init failed, no display connected?"); | ||
| } else { | ||
| ESP_RETURN_ON_ERROR(esp_lcd_panel_invert_color(panel_handle, invert_screen), TAG, "Panel invert failed"); | ||
| // ESP_RETURN_ON_ERROR(esp_lcd_panel_mirror(panel_handle, false, false), TAG, "Panel mirror failed"); | ||
| } | ||
|
|
||
| ESP_LOGI(TAG, "Initialize LVGL"); | ||
|
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| const lvgl_port_cfg_t lvgl_cfg = ESP_LVGL_PORT_INIT_CONFIG(); | ||
| ESP_RETURN_ON_ERROR(lvgl_port_init(&lvgl_cfg), TAG, "LVGL init failed"); | ||
|
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| const lvgl_port_display_cfg_t disp_cfg = { | ||
| .io_handle = io_handle, | ||
| .panel_handle = panel_handle, | ||
| .buffer_size = LCD_H_RES * LCD_V_RES, | ||
| .double_buffer = true, | ||
| .hres = LCD_H_RES, | ||
| .vres = LCD_V_RES, | ||
| .monochrome = true, | ||
| .color_format = LV_COLOR_FORMAT_RGB565, | ||
| .rotation = { | ||
| .swap_xy = false, | ||
| .mirror_x = !flip_screen, // The screen is not flipped, this is for backwards compatibility | ||
| .mirror_y = !flip_screen, | ||
| }, | ||
| .flags = { | ||
| .swap_bytes = false, | ||
| .sw_rotate = false, | ||
| } | ||
| }; | ||
|
|
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| lv_disp_t * disp = lvgl_port_add_disp(&disp_cfg); | ||
|
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||
| if (lvgl_port_lock(0)) { | ||
| lv_style_init(&scr_style); | ||
| lv_style_set_text_font(&scr_style, &lv_font_portfolio_6x8); | ||
| lv_style_set_bg_opa(&scr_style, LV_OPA_COVER); | ||
|
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| lv_theme_set_apply_cb(&theme, theme_apply); | ||
|
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| lv_display_set_theme(disp, &theme); | ||
| lvgl_port_unlock(); | ||
| } | ||
|
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| if (esp_lcd_panel_init_err == ESP_OK) { | ||
| // Only turn on the screen when it has been cleared | ||
| ESP_RETURN_ON_ERROR(esp_lcd_panel_disp_on_off(panel_handle, true), TAG, "Panel display on failed"); | ||
|
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| GLOBAL_STATE->SYSTEM_MODULE.is_screen_active = true; | ||
| } else { | ||
| ESP_LOGW(TAG, "No display found."); | ||
| } | ||
|
|
||
| return ESP_OK; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| #ifndef DISPLAY_H_ | ||
| #define DISPLAY_H_ | ||
|
|
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| esp_err_t display_init(void * pvParameters); | ||
|
|
||
| #endif /* DISPLAY_H_ */ |
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