esp32-s3-touch-lcd-1.85c.cc 17 KB

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  1. #include "wifi_board.h"
  2. #include "codecs/no_audio_codec.h"
  3. #include "display/lcd_display.h"
  4. #include "system_reset.h"
  5. #include "application.h"
  6. #include "button.h"
  7. #include "config.h"
  8. #include <esp_log.h>
  9. #include "i2c_device.h"
  10. #include <driver/i2c_master.h>
  11. #include <driver/ledc.h>
  12. #include <wifi_station.h>
  13. #include <esp_lcd_panel_io.h>
  14. #include <esp_lcd_panel_ops.h>
  15. #include <esp_lcd_st77916.h>
  16. #include <esp_timer.h>
  17. #include "esp_io_expander_tca9554.h"
  18. #define TAG "waveshare_lcd_1_85c"
  19. #define LCD_OPCODE_WRITE_CMD (0x02ULL)
  20. #define LCD_OPCODE_READ_CMD (0x0BULL)
  21. #define LCD_OPCODE_WRITE_COLOR (0x32ULL)
  22. LV_FONT_DECLARE(font_puhui_16_4);
  23. LV_FONT_DECLARE(font_awesome_16_4);
  24. static const st77916_lcd_init_cmd_t vendor_specific_init_new[] = {
  25. {0xF0, (uint8_t []){0x28}, 1, 0},
  26. {0xF2, (uint8_t []){0x28}, 1, 0},
  27. {0x73, (uint8_t []){0xF0}, 1, 0},
  28. {0x7C, (uint8_t []){0xD1}, 1, 0},
  29. {0x83, (uint8_t []){0xE0}, 1, 0},
  30. {0x84, (uint8_t []){0x61}, 1, 0},
  31. {0xF2, (uint8_t []){0x82}, 1, 0},
  32. {0xF0, (uint8_t []){0x00}, 1, 0},
  33. {0xF0, (uint8_t []){0x01}, 1, 0},
  34. {0xF1, (uint8_t []){0x01}, 1, 0},
  35. {0xB0, (uint8_t []){0x56}, 1, 0},
  36. {0xB1, (uint8_t []){0x4D}, 1, 0},
  37. {0xB2, (uint8_t []){0x24}, 1, 0},
  38. {0xB4, (uint8_t []){0x87}, 1, 0},
  39. {0xB5, (uint8_t []){0x44}, 1, 0},
  40. {0xB6, (uint8_t []){0x8B}, 1, 0},
  41. {0xB7, (uint8_t []){0x40}, 1, 0},
  42. {0xB8, (uint8_t []){0x86}, 1, 0},
  43. {0xBA, (uint8_t []){0x00}, 1, 0},
  44. {0xBB, (uint8_t []){0x08}, 1, 0},
  45. {0xBC, (uint8_t []){0x08}, 1, 0},
  46. {0xBD, (uint8_t []){0x00}, 1, 0},
  47. {0xC0, (uint8_t []){0x80}, 1, 0},
  48. {0xC1, (uint8_t []){0x10}, 1, 0},
  49. {0xC2, (uint8_t []){0x37}, 1, 0},
  50. {0xC3, (uint8_t []){0x80}, 1, 0},
  51. {0xC4, (uint8_t []){0x10}, 1, 0},
  52. {0xC5, (uint8_t []){0x37}, 1, 0},
  53. {0xC6, (uint8_t []){0xA9}, 1, 0},
  54. {0xC7, (uint8_t []){0x41}, 1, 0},
  55. {0xC8, (uint8_t []){0x01}, 1, 0},
  56. {0xC9, (uint8_t []){0xA9}, 1, 0},
  57. {0xCA, (uint8_t []){0x41}, 1, 0},
  58. {0xCB, (uint8_t []){0x01}, 1, 0},
  59. {0xD0, (uint8_t []){0x91}, 1, 0},
  60. {0xD1, (uint8_t []){0x68}, 1, 0},
  61. {0xD2, (uint8_t []){0x68}, 1, 0},
  62. {0xF5, (uint8_t []){0x00, 0xA5}, 2, 0},
  63. {0xDD, (uint8_t []){0x4F}, 1, 0},
  64. {0xDE, (uint8_t []){0x4F}, 1, 0},
  65. {0xF1, (uint8_t []){0x10}, 1, 0},
  66. {0xF0, (uint8_t []){0x00}, 1, 0},
  67. {0xF0, (uint8_t []){0x02}, 1, 0},
  68. {0xE0, (uint8_t []){0xF0, 0x0A, 0x10, 0x09, 0x09, 0x36, 0x35, 0x33, 0x4A, 0x29, 0x15, 0x15, 0x2E, 0x34}, 14, 0},
  69. {0xE1, (uint8_t []){0xF0, 0x0A, 0x0F, 0x08, 0x08, 0x05, 0x34, 0x33, 0x4A, 0x39, 0x15, 0x15, 0x2D, 0x33}, 14, 0},
  70. {0xF0, (uint8_t []){0x10}, 1, 0},
  71. {0xF3, (uint8_t []){0x10}, 1, 0},
  72. {0xE0, (uint8_t []){0x07}, 1, 0},
  73. {0xE1, (uint8_t []){0x00}, 1, 0},
  74. {0xE2, (uint8_t []){0x00}, 1, 0},
  75. {0xE3, (uint8_t []){0x00}, 1, 0},
  76. {0xE4, (uint8_t []){0xE0}, 1, 0},
  77. {0xE5, (uint8_t []){0x06}, 1, 0},
  78. {0xE6, (uint8_t []){0x21}, 1, 0},
  79. {0xE7, (uint8_t []){0x01}, 1, 0},
  80. {0xE8, (uint8_t []){0x05}, 1, 0},
  81. {0xE9, (uint8_t []){0x02}, 1, 0},
  82. {0xEA, (uint8_t []){0xDA}, 1, 0},
  83. {0xEB, (uint8_t []){0x00}, 1, 0},
  84. {0xEC, (uint8_t []){0x00}, 1, 0},
  85. {0xED, (uint8_t []){0x0F}, 1, 0},
  86. {0xEE, (uint8_t []){0x00}, 1, 0},
  87. {0xEF, (uint8_t []){0x00}, 1, 0},
  88. {0xF8, (uint8_t []){0x00}, 1, 0},
  89. {0xF9, (uint8_t []){0x00}, 1, 0},
  90. {0xFA, (uint8_t []){0x00}, 1, 0},
  91. {0xFB, (uint8_t []){0x00}, 1, 0},
  92. {0xFC, (uint8_t []){0x00}, 1, 0},
  93. {0xFD, (uint8_t []){0x00}, 1, 0},
  94. {0xFE, (uint8_t []){0x00}, 1, 0},
  95. {0xFF, (uint8_t []){0x00}, 1, 0},
  96. {0x60, (uint8_t []){0x40}, 1, 0},
  97. {0x61, (uint8_t []){0x04}, 1, 0},
  98. {0x62, (uint8_t []){0x00}, 1, 0},
  99. {0x63, (uint8_t []){0x42}, 1, 0},
  100. {0x64, (uint8_t []){0xD9}, 1, 0},
  101. {0x65, (uint8_t []){0x00}, 1, 0},
  102. {0x66, (uint8_t []){0x00}, 1, 0},
  103. {0x67, (uint8_t []){0x00}, 1, 0},
  104. {0x68, (uint8_t []){0x00}, 1, 0},
  105. {0x69, (uint8_t []){0x00}, 1, 0},
  106. {0x6A, (uint8_t []){0x00}, 1, 0},
  107. {0x6B, (uint8_t []){0x00}, 1, 0},
  108. {0x70, (uint8_t []){0x40}, 1, 0},
  109. {0x71, (uint8_t []){0x03}, 1, 0},
  110. {0x72, (uint8_t []){0x00}, 1, 0},
  111. {0x73, (uint8_t []){0x42}, 1, 0},
  112. {0x74, (uint8_t []){0xD8}, 1, 0},
  113. {0x75, (uint8_t []){0x00}, 1, 0},
  114. {0x76, (uint8_t []){0x00}, 1, 0},
  115. {0x77, (uint8_t []){0x00}, 1, 0},
  116. {0x78, (uint8_t []){0x00}, 1, 0},
  117. {0x79, (uint8_t []){0x00}, 1, 0},
  118. {0x7A, (uint8_t []){0x00}, 1, 0},
  119. {0x7B, (uint8_t []){0x00}, 1, 0},
  120. {0x80, (uint8_t []){0x48}, 1, 0},
  121. {0x81, (uint8_t []){0x00}, 1, 0},
  122. {0x82, (uint8_t []){0x06}, 1, 0},
  123. {0x83, (uint8_t []){0x02}, 1, 0},
  124. {0x84, (uint8_t []){0xD6}, 1, 0},
  125. {0x85, (uint8_t []){0x04}, 1, 0},
  126. {0x86, (uint8_t []){0x00}, 1, 0},
  127. {0x87, (uint8_t []){0x00}, 1, 0},
  128. {0x88, (uint8_t []){0x48}, 1, 0},
  129. {0x89, (uint8_t []){0x00}, 1, 0},
  130. {0x8A, (uint8_t []){0x08}, 1, 0},
  131. {0x8B, (uint8_t []){0x02}, 1, 0},
  132. {0x8C, (uint8_t []){0xD8}, 1, 0},
  133. {0x8D, (uint8_t []){0x04}, 1, 0},
  134. {0x8E, (uint8_t []){0x00}, 1, 0},
  135. {0x8F, (uint8_t []){0x00}, 1, 0},
  136. {0x90, (uint8_t []){0x48}, 1, 0},
  137. {0x91, (uint8_t []){0x00}, 1, 0},
  138. {0x92, (uint8_t []){0x0A}, 1, 0},
  139. {0x93, (uint8_t []){0x02}, 1, 0},
  140. {0x94, (uint8_t []){0xDA}, 1, 0},
  141. {0x95, (uint8_t []){0x04}, 1, 0},
  142. {0x96, (uint8_t []){0x00}, 1, 0},
  143. {0x97, (uint8_t []){0x00}, 1, 0},
  144. {0x98, (uint8_t []){0x48}, 1, 0},
  145. {0x99, (uint8_t []){0x00}, 1, 0},
  146. {0x9A, (uint8_t []){0x0C}, 1, 0},
  147. {0x9B, (uint8_t []){0x02}, 1, 0},
  148. {0x9C, (uint8_t []){0xDC}, 1, 0},
  149. {0x9D, (uint8_t []){0x04}, 1, 0},
  150. {0x9E, (uint8_t []){0x00}, 1, 0},
  151. {0x9F, (uint8_t []){0x00}, 1, 0},
  152. {0xA0, (uint8_t []){0x48}, 1, 0},
  153. {0xA1, (uint8_t []){0x00}, 1, 0},
  154. {0xA2, (uint8_t []){0x05}, 1, 0},
  155. {0xA3, (uint8_t []){0x02}, 1, 0},
  156. {0xA4, (uint8_t []){0xD5}, 1, 0},
  157. {0xA5, (uint8_t []){0x04}, 1, 0},
  158. {0xA6, (uint8_t []){0x00}, 1, 0},
  159. {0xA7, (uint8_t []){0x00}, 1, 0},
  160. {0xA8, (uint8_t []){0x48}, 1, 0},
  161. {0xA9, (uint8_t []){0x00}, 1, 0},
  162. {0xAA, (uint8_t []){0x07}, 1, 0},
  163. {0xAB, (uint8_t []){0x02}, 1, 0},
  164. {0xAC, (uint8_t []){0xD7}, 1, 0},
  165. {0xAD, (uint8_t []){0x04}, 1, 0},
  166. {0xAE, (uint8_t []){0x00}, 1, 0},
  167. {0xAF, (uint8_t []){0x00}, 1, 0},
  168. {0xB0, (uint8_t []){0x48}, 1, 0},
  169. {0xB1, (uint8_t []){0x00}, 1, 0},
  170. {0xB2, (uint8_t []){0x09}, 1, 0},
  171. {0xB3, (uint8_t []){0x02}, 1, 0},
  172. {0xB4, (uint8_t []){0xD9}, 1, 0},
  173. {0xB5, (uint8_t []){0x04}, 1, 0},
  174. {0xB6, (uint8_t []){0x00}, 1, 0},
  175. {0xB7, (uint8_t []){0x00}, 1, 0},
  176. {0xB8, (uint8_t []){0x48}, 1, 0},
  177. {0xB9, (uint8_t []){0x00}, 1, 0},
  178. {0xBA, (uint8_t []){0x0B}, 1, 0},
  179. {0xBB, (uint8_t []){0x02}, 1, 0},
  180. {0xBC, (uint8_t []){0xDB}, 1, 0},
  181. {0xBD, (uint8_t []){0x04}, 1, 0},
  182. {0xBE, (uint8_t []){0x00}, 1, 0},
  183. {0xBF, (uint8_t []){0x00}, 1, 0},
  184. {0xC0, (uint8_t []){0x10}, 1, 0},
  185. {0xC1, (uint8_t []){0x47}, 1, 0},
  186. {0xC2, (uint8_t []){0x56}, 1, 0},
  187. {0xC3, (uint8_t []){0x65}, 1, 0},
  188. {0xC4, (uint8_t []){0x74}, 1, 0},
  189. {0xC5, (uint8_t []){0x88}, 1, 0},
  190. {0xC6, (uint8_t []){0x99}, 1, 0},
  191. {0xC7, (uint8_t []){0x01}, 1, 0},
  192. {0xC8, (uint8_t []){0xBB}, 1, 0},
  193. {0xC9, (uint8_t []){0xAA}, 1, 0},
  194. {0xD0, (uint8_t []){0x10}, 1, 0},
  195. {0xD1, (uint8_t []){0x47}, 1, 0},
  196. {0xD2, (uint8_t []){0x56}, 1, 0},
  197. {0xD3, (uint8_t []){0x65}, 1, 0},
  198. {0xD4, (uint8_t []){0x74}, 1, 0},
  199. {0xD5, (uint8_t []){0x88}, 1, 0},
  200. {0xD6, (uint8_t []){0x99}, 1, 0},
  201. {0xD7, (uint8_t []){0x01}, 1, 0},
  202. {0xD8, (uint8_t []){0xBB}, 1, 0},
  203. {0xD9, (uint8_t []){0xAA}, 1, 0},
  204. {0xF3, (uint8_t []){0x01}, 1, 0},
  205. {0xF0, (uint8_t []){0x00}, 1, 0},
  206. {0x21, (uint8_t []){0x00}, 1, 0},
  207. {0x11, (uint8_t []){0x00}, 1, 120},
  208. {0x29, (uint8_t []){0x00}, 1, 0},
  209. };
  210. class CustomBoard : public WifiBoard {
  211. private:
  212. Button boot_button_;
  213. i2c_master_bus_handle_t i2c_bus_;
  214. esp_io_expander_handle_t io_expander = NULL;
  215. LcdDisplay* display_;
  216. void InitializeI2c() {
  217. // Initialize I2C peripheral
  218. i2c_master_bus_config_t i2c_bus_cfg = {
  219. .i2c_port = (i2c_port_t)0,
  220. .sda_io_num = I2C_SDA_IO,
  221. .scl_io_num = I2C_SCL_IO,
  222. .clk_source = I2C_CLK_SRC_DEFAULT,
  223. };
  224. ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &i2c_bus_));
  225. }
  226. void InitializeTca9554(void)
  227. {
  228. esp_err_t ret = esp_io_expander_new_i2c_tca9554(i2c_bus_, I2C_ADDRESS, &io_expander);
  229. if(ret != ESP_OK)
  230. ESP_LOGE(TAG, "TCA9554 create returned error");
  231. // uint32_t input_level_mask = 0;
  232. // ret = esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, IO_EXPANDER_INPUT); // 设置引脚 EXIO0 和 EXIO1 模式为输入
  233. // ret = esp_io_expander_get_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, &input_level_mask); // 获取引脚 EXIO0 和 EXIO1 的电平状态,存放在 input_level_mask 中
  234. // ret = esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_2 | IO_EXPANDER_PIN_NUM_3, IO_EXPANDER_OUTPUT); // 设置引脚 EXIO2 和 EXIO3 模式为输出
  235. // ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_2 | IO_EXPANDER_PIN_NUM_3, 1); // 将引脚电平设置为 1
  236. // ret = esp_io_expander_print_state(io_expander); // 打印引脚状态
  237. ret = esp_io_expander_set_dir(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, IO_EXPANDER_OUTPUT); // 设置引脚 EXIO0 和 EXIO1 模式为输出
  238. ESP_ERROR_CHECK(ret);
  239. ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 1); // 复位 LCD 与 TouchPad
  240. ESP_ERROR_CHECK(ret);
  241. vTaskDelay(pdMS_TO_TICKS(300));
  242. ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 0); // 复位 LCD 与 TouchPad
  243. ESP_ERROR_CHECK(ret);
  244. vTaskDelay(pdMS_TO_TICKS(300));
  245. ret = esp_io_expander_set_level(io_expander, IO_EXPANDER_PIN_NUM_0 | IO_EXPANDER_PIN_NUM_1, 1); // 复位 LCD 与 TouchPad
  246. ESP_ERROR_CHECK(ret);
  247. }
  248. void InitializeSpi() {
  249. ESP_LOGI(TAG, "Initialize QSPI bus");
  250. const spi_bus_config_t bus_config = TAIJIPI_ST77916_PANEL_BUS_QSPI_CONFIG(QSPI_PIN_NUM_LCD_PCLK,
  251. QSPI_PIN_NUM_LCD_DATA0,
  252. QSPI_PIN_NUM_LCD_DATA1,
  253. QSPI_PIN_NUM_LCD_DATA2,
  254. QSPI_PIN_NUM_LCD_DATA3,
  255. QSPI_LCD_H_RES * 80 * sizeof(uint16_t));
  256. ESP_ERROR_CHECK(spi_bus_initialize(QSPI_LCD_HOST, &bus_config, SPI_DMA_CH_AUTO));
  257. }
  258. void Initializest77916Display() {
  259. esp_lcd_panel_io_handle_t panel_io = nullptr;
  260. esp_lcd_panel_handle_t panel = nullptr;
  261. ESP_LOGI(TAG, "Install panel IO");
  262. esp_lcd_panel_io_spi_config_t io_config = {
  263. .cs_gpio_num = QSPI_PIN_NUM_LCD_CS,
  264. .dc_gpio_num = -1,
  265. .spi_mode = 0,
  266. .pclk_hz = 3 * 1000 * 1000,
  267. .trans_queue_depth = 10,
  268. .on_color_trans_done = NULL,
  269. .user_ctx = NULL,
  270. .lcd_cmd_bits = 32,
  271. .lcd_param_bits = 8,
  272. .flags = {
  273. .dc_low_on_data = 0,
  274. .octal_mode = 0,
  275. .quad_mode = 1,
  276. .sio_mode = 0,
  277. .lsb_first = 0,
  278. .cs_high_active = 0,
  279. },
  280. };
  281. ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)QSPI_LCD_HOST, &io_config, &panel_io));
  282. ESP_LOGI(TAG, "Install ST77916 panel driver");
  283. st77916_vendor_config_t vendor_config = {
  284. .flags = {
  285. .use_qspi_interface = 1,
  286. },
  287. };
  288. printf("-------------------------------------- Version selection -------------------------------------- \r\n");
  289. esp_err_t ret;
  290. int lcd_cmd = 0x04;
  291. uint8_t register_data[4];
  292. size_t param_size = sizeof(register_data);
  293. lcd_cmd &= 0xff;
  294. lcd_cmd <<= 8;
  295. lcd_cmd |= LCD_OPCODE_READ_CMD << 24; // Use the read opcode instead of write
  296. ret = esp_lcd_panel_io_rx_param(panel_io, lcd_cmd, register_data, param_size);
  297. if (ret == ESP_OK) {
  298. printf("Register 0x04 data: %02x %02x %02x %02x\n", register_data[0], register_data[1], register_data[2], register_data[3]);
  299. } else {
  300. printf("Failed to read register 0x04, error code: %d\n", ret);
  301. }
  302. // panel_io_spi_del(io_handle);
  303. io_config.pclk_hz = 80 * 1000 * 1000;
  304. if (esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)QSPI_LCD_HOST, &io_config, &panel_io) != ESP_OK) {
  305. printf("Failed to set LCD communication parameters -- SPI\r\n");
  306. return ;
  307. }
  308. printf("LCD communication parameters are set successfully -- SPI\r\n");
  309. // Check register values and configure accordingly
  310. if (register_data[0] == 0x00 && register_data[1] == 0x7F && register_data[2] == 0x7F && register_data[3] == 0x7F) {
  311. // Handle the case where the register data matches this pattern
  312. printf("Vendor-specific initialization for case 1.\n");
  313. }
  314. else if (register_data[0] == 0x00 && register_data[1] == 0x02 && register_data[2] == 0x7F && register_data[3] == 0x7F) {
  315. // Provide vendor-specific initialization commands if register data matches this pattern
  316. vendor_config.init_cmds = vendor_specific_init_new;
  317. vendor_config.init_cmds_size = sizeof(vendor_specific_init_new) / sizeof(st77916_lcd_init_cmd_t);
  318. printf("Vendor-specific initialization for case 2.\n");
  319. }
  320. printf("------------------------------------- End of version selection------------------------------------- \r\n");
  321. const esp_lcd_panel_dev_config_t panel_config = {
  322. .reset_gpio_num = QSPI_PIN_NUM_LCD_RST,
  323. .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB, // Implemented by LCD command `36h`
  324. .bits_per_pixel = QSPI_LCD_BIT_PER_PIXEL, // Implemented by LCD command `3Ah` (16/18)
  325. .vendor_config = &vendor_config,
  326. };
  327. ESP_ERROR_CHECK(esp_lcd_new_panel_st77916(panel_io, &panel_config, &panel));
  328. esp_lcd_panel_reset(panel);
  329. esp_lcd_panel_init(panel);
  330. esp_lcd_panel_disp_on_off(panel, true);
  331. esp_lcd_panel_swap_xy(panel, DISPLAY_SWAP_XY);
  332. esp_lcd_panel_mirror(panel, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y);
  333. display_ = new SpiLcdDisplay(panel_io, panel,
  334. DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY,
  335. {
  336. .text_font = &font_puhui_16_4,
  337. .icon_font = &font_awesome_16_4,
  338. .emoji_font = font_emoji_64_init(),
  339. });
  340. }
  341. void InitializeButtons() {
  342. boot_button_.OnClick([this]() {
  343. auto& app = Application::GetInstance();
  344. if (app.GetDeviceState() == kDeviceStateStarting && !WifiStation::GetInstance().IsConnected()) {
  345. ResetWifiConfiguration();
  346. }
  347. app.ToggleChatState();
  348. });
  349. }
  350. public:
  351. CustomBoard() :
  352. boot_button_(BOOT_BUTTON_GPIO) {
  353. InitializeI2c();
  354. InitializeTca9554();
  355. InitializeSpi();
  356. Initializest77916Display();
  357. InitializeButtons();
  358. GetBacklight()->RestoreBrightness();
  359. }
  360. virtual AudioCodec* GetAudioCodec() override {
  361. static NoAudioCodecSimplex audio_codec(AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
  362. AUDIO_I2S_SPK_GPIO_BCLK, AUDIO_I2S_SPK_GPIO_LRCK, AUDIO_I2S_SPK_GPIO_DOUT, I2S_STD_SLOT_LEFT, AUDIO_I2S_MIC_GPIO_SCK, AUDIO_I2S_MIC_GPIO_WS, AUDIO_I2S_MIC_GPIO_DIN, I2S_STD_SLOT_RIGHT); // I2S_STD_SLOT_LEFT / I2S_STD_SLOT_RIGHT / I2S_STD_SLOT_BOTH
  363. return &audio_codec;
  364. }
  365. virtual Display* GetDisplay() override {
  366. return display_;
  367. }
  368. virtual Backlight* GetBacklight() override {
  369. static PwmBacklight backlight(DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT);
  370. return &backlight;
  371. }
  372. };
  373. DECLARE_BOARD(CustomBoard);