/* * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "esp_log.h" #include "driver/gpio.h" #include "screen_driver.h" #include "screen_utility.h" #include "nt35510.h" static const char *TAG = "lcd nt35510"; #define LCD_CHECK(a, str, ret) if(!(a)) { \ ESP_LOGE(TAG,"%s:%d (%s):%s", __FILE__, __LINE__, __FUNCTION__, str); \ return (ret); \ } #define LCD_NAME "NT35510" #define LCD_BPP 16 /** * NT35510 can select different resolution, but I can't find the way */ #define NT35510_RESOLUTION_HOR 480 #define NT35510_RESOLUTION_VER 800 #define NT35510_CASET 0x2A00 #define NT35510_RASET 0x2B00 #define NT35510_RAMWR 0x2C00 #define NT35510_MADCTL 0x3600 /* MADCTL Defines */ #define MADCTL_MY 0x80 #define MADCTL_MX 0x40 #define MADCTL_MV 0x20 #define MADCTL_ML 0x10 #define MADCTL_RGB 0x08 #define MADCTL_MH 0x04 static scr_handle_t g_lcd_handle; /** * This header file is only used to redefine the function to facilitate the call. * It can only be placed in this position, not in the head of the file. */ #include "interface_drv_def.h" scr_driver_t lcd_nt35510_default_driver = { .init = lcd_nt35510_init, .deinit = lcd_nt35510_deinit, .set_direction = lcd_nt35510_set_rotation, .set_window = lcd_nt35510_set_window, .write_ram_data = lcd_nt35510_write_ram_data, .draw_pixel = lcd_nt35510_draw_pixel, .draw_bitmap = lcd_nt35510_draw_bitmap, .get_info = lcd_nt35510_get_info, }; static void lcd_nt35510_init_reg(void); esp_err_t lcd_nt35510_init(const scr_controller_config_t *lcd_conf) { LCD_CHECK(lcd_conf->width <= NT35510_RESOLUTION_HOR, "Width greater than maximum", ESP_ERR_INVALID_ARG); LCD_CHECK(lcd_conf->height <= NT35510_RESOLUTION_VER, "Height greater than maximum", ESP_ERR_INVALID_ARG); LCD_CHECK(NULL != lcd_conf, "config pointer invalid", ESP_ERR_INVALID_ARG); LCD_CHECK((NULL != lcd_conf->interface_drv->write_command && \ NULL != lcd_conf->interface_drv->write_data && \ NULL != lcd_conf->interface_drv->write && \ NULL != lcd_conf->interface_drv->read && \ NULL != lcd_conf->interface_drv->bus_acquire && \ NULL != lcd_conf->interface_drv->bus_release), "Interface driver invalid", ESP_ERR_INVALID_ARG); esp_err_t ret; // Reset the display if (lcd_conf->pin_num_rst >= 0) { gpio_pad_select_gpio(lcd_conf->pin_num_rst); gpio_set_direction(lcd_conf->pin_num_rst, GPIO_MODE_OUTPUT); gpio_set_level(lcd_conf->pin_num_rst, (lcd_conf->rst_active_level) & 0x1); vTaskDelay(100 / portTICK_RATE_MS); gpio_set_level(lcd_conf->pin_num_rst, (~(lcd_conf->rst_active_level)) & 0x1); vTaskDelay(100 / portTICK_RATE_MS); } g_lcd_handle.interface_drv = lcd_conf->interface_drv; g_lcd_handle.original_width = lcd_conf->width; g_lcd_handle.original_height = lcd_conf->height; g_lcd_handle.offset_hor = lcd_conf->offset_hor; g_lcd_handle.offset_ver = lcd_conf->offset_ver; lcd_nt35510_init_reg(); // Enable backlight if (lcd_conf->pin_num_bckl >= 0) { gpio_pad_select_gpio(lcd_conf->pin_num_bckl); gpio_set_direction(lcd_conf->pin_num_bckl, GPIO_MODE_OUTPUT); gpio_set_level(lcd_conf->pin_num_bckl, (lcd_conf->bckl_active_level) & 0x1); } ret = lcd_nt35510_set_rotation(lcd_conf->rotate); LCD_CHECK(ESP_OK == ret, "set rotation failed", ESP_FAIL); return ESP_OK; } esp_err_t lcd_nt35510_deinit(void) { memset(&g_lcd_handle, 0, sizeof(scr_handle_t)); return ESP_OK; } esp_err_t lcd_nt35510_set_rotation(scr_dir_t dir) { esp_err_t ret; uint8_t reg_data = 0; reg_data &= ~MADCTL_RGB; if (SCR_DIR_MAX < dir) { dir >>= 5; } LCD_CHECK(dir < 8, "Unsupported rotate direction", ESP_ERR_INVALID_ARG); switch (dir) { case SCR_DIR_LRTB: g_lcd_handle.width = g_lcd_handle.original_width; g_lcd_handle.height = g_lcd_handle.original_height; break; case SCR_DIR_LRBT: reg_data |= MADCTL_MY; g_lcd_handle.width = g_lcd_handle.original_width; g_lcd_handle.height = g_lcd_handle.original_height; break; case SCR_DIR_RLTB: reg_data |= MADCTL_MX; g_lcd_handle.width = g_lcd_handle.original_width; g_lcd_handle.height = g_lcd_handle.original_height; break; case SCR_DIR_RLBT: reg_data |= MADCTL_MX | MADCTL_MY; g_lcd_handle.width = g_lcd_handle.original_width; g_lcd_handle.height = g_lcd_handle.original_height; break; case SCR_DIR_TBLR: reg_data |= MADCTL_MV; g_lcd_handle.width = g_lcd_handle.original_height; g_lcd_handle.height = g_lcd_handle.original_width; break; case SCR_DIR_BTLR: reg_data |= MADCTL_MY | MADCTL_MV; g_lcd_handle.width = g_lcd_handle.original_height; g_lcd_handle.height = g_lcd_handle.original_width; break; case SCR_DIR_TBRL: reg_data |= MADCTL_MX | MADCTL_MV; g_lcd_handle.width = g_lcd_handle.original_height; g_lcd_handle.height = g_lcd_handle.original_width; break; case SCR_DIR_BTRL: reg_data |= MADCTL_MX | MADCTL_MY | MADCTL_MV; g_lcd_handle.width = g_lcd_handle.original_height; g_lcd_handle.height = g_lcd_handle.original_width; break; default: break; } ESP_LOGI(TAG, "MADCTL=0x%x", reg_data); ret = LCD_WRITE_REG_16B(NT35510_MADCTL, reg_data); LCD_CHECK(ESP_OK == ret, "Set screen rotate failed", ESP_FAIL); g_lcd_handle.dir = dir; return ESP_OK; } esp_err_t lcd_nt35510_get_info(scr_info_t *info) { LCD_CHECK(NULL != info, "info pointer invalid", ESP_ERR_INVALID_ARG); info->width = g_lcd_handle.width; info->height = g_lcd_handle.height; info->dir = g_lcd_handle.dir; info->name = LCD_NAME; info->color_type = SCR_COLOR_TYPE_RGB565; info->bpp = LCD_BPP; return ESP_OK; } esp_err_t lcd_nt35510_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) { LCD_CHECK((x1 < g_lcd_handle.width) && (y1 < g_lcd_handle.height), "The set coordinates exceed the screen size", ESP_ERR_INVALID_ARG); LCD_CHECK((x0 <= x1) && (y0 <= y1), "Window coordinates invalid", ESP_ERR_INVALID_ARG); esp_err_t ret = ESP_OK; scr_utility_apply_offset(&g_lcd_handle, NT35510_RESOLUTION_HOR, NT35510_RESOLUTION_VER, &x0, &y0, &x1, &y1); ret |= LCD_WRITE_REG_16B(NT35510_CASET, x0 >> 8); ret |= LCD_WRITE_REG_16B(NT35510_CASET + 1, x0 & 0xff); ret |= LCD_WRITE_REG_16B(NT35510_CASET + 2, x1 >> 8); ret |= LCD_WRITE_REG_16B(NT35510_CASET + 3, x1 & 0xff); ret |= LCD_WRITE_REG_16B(NT35510_RASET, y0 >> 8); ret |= LCD_WRITE_REG_16B(NT35510_RASET + 1, y0 & 0xff); ret |= LCD_WRITE_REG_16B(NT35510_RASET + 2, y1 >> 8); ret |= LCD_WRITE_REG_16B(NT35510_RASET + 3, y1 & 0xff); ret |= LCD_WRITE_CMD_16B(NT35510_RAMWR); LCD_CHECK(ESP_OK == ret, "Set window failed", ESP_FAIL); return ESP_OK; } esp_err_t lcd_nt35510_write_ram_data(uint16_t color) { static uint8_t data[2]; data[0] = (uint8_t)(color & 0xff); data[1] = (uint8_t)(color >> 8); return LCD_WRITE(data, 2); } esp_err_t lcd_nt35510_draw_pixel(uint16_t x, uint16_t y, uint16_t color) { esp_err_t ret; ret = lcd_nt35510_set_window(x, y, x, y); if (ESP_OK != ret) { return ESP_FAIL; } return lcd_nt35510_write_ram_data(color); } esp_err_t lcd_nt35510_draw_bitmap(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t *bitmap) { esp_err_t ret; LCD_CHECK(NULL != bitmap, "bitmap pointer invalid", ESP_ERR_INVALID_ARG); LCD_IFACE_ACQUIRE(); ret = lcd_nt35510_set_window(x, y, x + w - 1, y + h - 1); if (ESP_OK != ret) { return ESP_FAIL; } uint32_t len = w * h; ret = LCD_WRITE((uint8_t *)bitmap, 2 * len); LCD_IFACE_RELEASE(); LCD_CHECK(ESP_OK == ret, "lcd write ram data failed", ESP_FAIL); return ESP_OK; } static void lcd_nt35510_init_reg(void) { // Software Reset LCD_WRITE_CMD_16B(0x0100); vTaskDelay(10 / portTICK_RATE_MS); // Partial mode on LCD_WRITE_CMD_16B(0x1200); // Enable manufacturer command set, select page 1 LCD_WRITE_REG_16B(0xf000, 0x0055); LCD_WRITE_REG_16B(0xf001, 0x00aa); LCD_WRITE_REG_16B(0xf002, 0x0052); LCD_WRITE_REG_16B(0xf003, 0x0008); LCD_WRITE_REG_16B(0xf004, 0x0001); // VGML and VGSP voltages (regulator output voltage VGMP/VGSP for positive gamma divider) LCD_WRITE_REG_16B(0xbc01, 0x0086); LCD_WRITE_REG_16B(0xbc02, 0x006a); // VGML and VGSP voltages (regulator output voltage VGMP/VGSP for negative gamma divider) LCD_WRITE_REG_16B(0xbd01, 0x0086); LCD_WRITE_REG_16B(0xbd02, 0x006a); // VCOM Offset Voltage LCD_WRITE_REG_16B(0xbe01, 0x0067); // Gamma 2.2 Correction for Red (Positive) LCD_WRITE_REG_16B(0xd100, 0x0000); LCD_WRITE_REG_16B(0xd101, 0x005d); LCD_WRITE_REG_16B(0xd102, 0x0000); LCD_WRITE_REG_16B(0xd103, 0x006b); LCD_WRITE_REG_16B(0xd104, 0x0000); LCD_WRITE_REG_16B(0xd105, 0x0084); LCD_WRITE_REG_16B(0xd106, 0x0000); LCD_WRITE_REG_16B(0xd107, 0x009c); LCD_WRITE_REG_16B(0xd108, 0x0000); LCD_WRITE_REG_16B(0xd109, 0x00b1); LCD_WRITE_REG_16B(0xd10a, 0x0000); LCD_WRITE_REG_16B(0xd10b, 0x00d9); LCD_WRITE_REG_16B(0xd10c, 0x0000); LCD_WRITE_REG_16B(0xd10d, 0x00fd); LCD_WRITE_REG_16B(0xd10e, 0x0001); LCD_WRITE_REG_16B(0xd10f, 0x0038); LCD_WRITE_REG_16B(0xd110, 0x0001); LCD_WRITE_REG_16B(0xd111, 0x0068); LCD_WRITE_REG_16B(0xd112, 0x0001); LCD_WRITE_REG_16B(0xd113, 0x00b9); LCD_WRITE_REG_16B(0xd114, 0x0001); LCD_WRITE_REG_16B(0xd115, 0x00fb); LCD_WRITE_REG_16B(0xd116, 0x0002); LCD_WRITE_REG_16B(0xd117, 0x0063); LCD_WRITE_REG_16B(0xd118, 0x0002); LCD_WRITE_REG_16B(0xd119, 0x00b9); LCD_WRITE_REG_16B(0xd11a, 0x0002); LCD_WRITE_REG_16B(0xd11b, 0x00bb); LCD_WRITE_REG_16B(0xd11c, 0x0003); LCD_WRITE_REG_16B(0xd11d, 0x0003); LCD_WRITE_REG_16B(0xd11e, 0x0003); LCD_WRITE_REG_16B(0xd11f, 0x0046); LCD_WRITE_REG_16B(0xd120, 0x0003); LCD_WRITE_REG_16B(0xd121, 0x0069); LCD_WRITE_REG_16B(0xd122, 0x0003); LCD_WRITE_REG_16B(0xd123, 0x008f); LCD_WRITE_REG_16B(0xd124, 0x0003); LCD_WRITE_REG_16B(0xd125, 0x00a4); LCD_WRITE_REG_16B(0xd126, 0x0003); LCD_WRITE_REG_16B(0xd127, 0x00b9); LCD_WRITE_REG_16B(0xd128, 0x0003); LCD_WRITE_REG_16B(0xd129, 0x00c7); LCD_WRITE_REG_16B(0xd12a, 0x0003); LCD_WRITE_REG_16B(0xd12b, 0x00c9); LCD_WRITE_REG_16B(0xd12c, 0x0003); LCD_WRITE_REG_16B(0xd12d, 0x00cb); LCD_WRITE_REG_16B(0xd12e, 0x0003); LCD_WRITE_REG_16B(0xd12f, 0x00cb); LCD_WRITE_REG_16B(0xd130, 0x0003); LCD_WRITE_REG_16B(0xd131, 0x00cb); LCD_WRITE_REG_16B(0xd132, 0x0003); LCD_WRITE_REG_16B(0xd133, 0x00cc); // Gamma 2.2 Correction for Green (Positive) LCD_WRITE_REG_16B(0xd200, 0x0000); LCD_WRITE_REG_16B(0xd201, 0x005d); LCD_WRITE_REG_16B(0xd202, 0x0000); LCD_WRITE_REG_16B(0xd203, 0x006b); LCD_WRITE_REG_16B(0xd204, 0x0000); LCD_WRITE_REG_16B(0xd205, 0x0084); LCD_WRITE_REG_16B(0xd206, 0x0000); LCD_WRITE_REG_16B(0xd207, 0x009c); LCD_WRITE_REG_16B(0xd208, 0x0000); LCD_WRITE_REG_16B(0xd209, 0x00b1); LCD_WRITE_REG_16B(0xd20a, 0x0000); LCD_WRITE_REG_16B(0xd20b, 0x00d9); LCD_WRITE_REG_16B(0xd20c, 0x0000); LCD_WRITE_REG_16B(0xd20d, 0x00fd); LCD_WRITE_REG_16B(0xd20e, 0x0001); LCD_WRITE_REG_16B(0xd20f, 0x0038); LCD_WRITE_REG_16B(0xd210, 0x0001); LCD_WRITE_REG_16B(0xd211, 0x0068); LCD_WRITE_REG_16B(0xd212, 0x0001); LCD_WRITE_REG_16B(0xd213, 0x00b9); LCD_WRITE_REG_16B(0xd214, 0x0001); LCD_WRITE_REG_16B(0xd215, 0x00fb); LCD_WRITE_REG_16B(0xd216, 0x0002); LCD_WRITE_REG_16B(0xd217, 0x0063); LCD_WRITE_REG_16B(0xd218, 0x0002); LCD_WRITE_REG_16B(0xd219, 0x00b9); LCD_WRITE_REG_16B(0xd21a, 0x0002); LCD_WRITE_REG_16B(0xd21b, 0x00bb); LCD_WRITE_REG_16B(0xd21c, 0x0003); LCD_WRITE_REG_16B(0xd21d, 0x0003); LCD_WRITE_REG_16B(0xd21e, 0x0003); LCD_WRITE_REG_16B(0xd21f, 0x0046); LCD_WRITE_REG_16B(0xd220, 0x0003); LCD_WRITE_REG_16B(0xd221, 0x0069); LCD_WRITE_REG_16B(0xd222, 0x0003); LCD_WRITE_REG_16B(0xd223, 0x008f); LCD_WRITE_REG_16B(0xd224, 0x0003); LCD_WRITE_REG_16B(0xd225, 0x00a4); LCD_WRITE_REG_16B(0xd226, 0x0003); LCD_WRITE_REG_16B(0xd227, 0x00b9); LCD_WRITE_REG_16B(0xd228, 0x0003); LCD_WRITE_REG_16B(0xd229, 0x00c7); LCD_WRITE_REG_16B(0xd22a, 0x0003); LCD_WRITE_REG_16B(0xd22b, 0x00c9); LCD_WRITE_REG_16B(0xd22c, 0x0003); LCD_WRITE_REG_16B(0xd22d, 0x00cb); LCD_WRITE_REG_16B(0xd22e, 0x0003); LCD_WRITE_REG_16B(0xd22f, 0x00cb); LCD_WRITE_REG_16B(0xd230, 0x0003); LCD_WRITE_REG_16B(0xd231, 0x00cb); LCD_WRITE_REG_16B(0xd232, 0x0003); LCD_WRITE_REG_16B(0xd233, 0x00cc); // Gamma 2.2 Correction for Blue (Positive) LCD_WRITE_REG_16B(0xd300, 0x0000); LCD_WRITE_REG_16B(0xd301, 0x005d); LCD_WRITE_REG_16B(0xd302, 0x0000); LCD_WRITE_REG_16B(0xd303, 0x006b); LCD_WRITE_REG_16B(0xd304, 0x0000); LCD_WRITE_REG_16B(0xd305, 0x0084); LCD_WRITE_REG_16B(0xd306, 0x0000); LCD_WRITE_REG_16B(0xd307, 0x009c); LCD_WRITE_REG_16B(0xd308, 0x0000); LCD_WRITE_REG_16B(0xd309, 0x00b1); LCD_WRITE_REG_16B(0xd30a, 0x0000); LCD_WRITE_REG_16B(0xd30b, 0x00d9); LCD_WRITE_REG_16B(0xd30c, 0x0000); LCD_WRITE_REG_16B(0xd30d, 0x00fd); LCD_WRITE_REG_16B(0xd30e, 0x0001); LCD_WRITE_REG_16B(0xd30f, 0x0038); LCD_WRITE_REG_16B(0xd310, 0x0001); LCD_WRITE_REG_16B(0xd311, 0x0068); LCD_WRITE_REG_16B(0xd312, 0x0001); LCD_WRITE_REG_16B(0xd313, 0x00b9); LCD_WRITE_REG_16B(0xd314, 0x0001); LCD_WRITE_REG_16B(0xd315, 0x00fb); LCD_WRITE_REG_16B(0xd316, 0x0002); LCD_WRITE_REG_16B(0xd317, 0x0063); LCD_WRITE_REG_16B(0xd318, 0x0002); LCD_WRITE_REG_16B(0xd319, 0x00b9); LCD_WRITE_REG_16B(0xd31a, 0x0002); LCD_WRITE_REG_16B(0xd31b, 0x00bb); LCD_WRITE_REG_16B(0xd31c, 0x0003); LCD_WRITE_REG_16B(0xd31d, 0x0003); LCD_WRITE_REG_16B(0xd31e, 0x0003); LCD_WRITE_REG_16B(0xd31f, 0x0046); LCD_WRITE_REG_16B(0xd320, 0x0003); LCD_WRITE_REG_16B(0xd321, 0x0069); LCD_WRITE_REG_16B(0xd322, 0x0003); LCD_WRITE_REG_16B(0xd323, 0x008f); LCD_WRITE_REG_16B(0xd324, 0x0003); LCD_WRITE_REG_16B(0xd325, 0x00a4); LCD_WRITE_REG_16B(0xd326, 0x0003); LCD_WRITE_REG_16B(0xd327, 0x00b9); LCD_WRITE_REG_16B(0xd328, 0x0003); LCD_WRITE_REG_16B(0xd329, 0x00c7); LCD_WRITE_REG_16B(0xd32a, 0x0003); LCD_WRITE_REG_16B(0xd32b, 0x00c9); LCD_WRITE_REG_16B(0xd32c, 0x0003); LCD_WRITE_REG_16B(0xd32d, 0x00cb); LCD_WRITE_REG_16B(0xd32e, 0x0003); LCD_WRITE_REG_16B(0xd32f, 0x00cb); LCD_WRITE_REG_16B(0xd330, 0x0003); LCD_WRITE_REG_16B(0xd331, 0x00cb); LCD_WRITE_REG_16B(0xd332, 0x0003); LCD_WRITE_REG_16B(0xd333, 0x00cc); // Gamma 2.2 Correction for Red (Negative) LCD_WRITE_REG_16B(0xd400, 0x0000); LCD_WRITE_REG_16B(0xd401, 0x005d); LCD_WRITE_REG_16B(0xd402, 0x0000); LCD_WRITE_REG_16B(0xd403, 0x006b); LCD_WRITE_REG_16B(0xd404, 0x0000); LCD_WRITE_REG_16B(0xd405, 0x0084); LCD_WRITE_REG_16B(0xd406, 0x0000); LCD_WRITE_REG_16B(0xd407, 0x009c); LCD_WRITE_REG_16B(0xd408, 0x0000); LCD_WRITE_REG_16B(0xd409, 0x00b1); LCD_WRITE_REG_16B(0xd40a, 0x0000); LCD_WRITE_REG_16B(0xd40b, 0x00d9); LCD_WRITE_REG_16B(0xd40c, 0x0000); LCD_WRITE_REG_16B(0xd40d, 0x00fd); LCD_WRITE_REG_16B(0xd40e, 0x0001); LCD_WRITE_REG_16B(0xd40f, 0x0038); LCD_WRITE_REG_16B(0xd410, 0x0001); LCD_WRITE_REG_16B(0xd411, 0x0068); LCD_WRITE_REG_16B(0xd412, 0x0001); LCD_WRITE_REG_16B(0xd413, 0x00b9); LCD_WRITE_REG_16B(0xd414, 0x0001); LCD_WRITE_REG_16B(0xd415, 0x00fb); LCD_WRITE_REG_16B(0xd416, 0x0002); LCD_WRITE_REG_16B(0xd417, 0x0063); LCD_WRITE_REG_16B(0xd418, 0x0002); LCD_WRITE_REG_16B(0xd419, 0x00b9); LCD_WRITE_REG_16B(0xd41a, 0x0002); LCD_WRITE_REG_16B(0xd41b, 0x00bb); LCD_WRITE_REG_16B(0xd41c, 0x0003); LCD_WRITE_REG_16B(0xd41d, 0x0003); LCD_WRITE_REG_16B(0xd41e, 0x0003); LCD_WRITE_REG_16B(0xd41f, 0x0046); LCD_WRITE_REG_16B(0xd420, 0x0003); LCD_WRITE_REG_16B(0xd421, 0x0069); LCD_WRITE_REG_16B(0xd422, 0x0003); LCD_WRITE_REG_16B(0xd423, 0x008f); LCD_WRITE_REG_16B(0xd424, 0x0003); LCD_WRITE_REG_16B(0xd425, 0x00a4); LCD_WRITE_REG_16B(0xd426, 0x0003); LCD_WRITE_REG_16B(0xd427, 0x00b9); LCD_WRITE_REG_16B(0xd428, 0x0003); LCD_WRITE_REG_16B(0xd429, 0x00c7); LCD_WRITE_REG_16B(0xd42a, 0x0003); LCD_WRITE_REG_16B(0xd42b, 0x00c9); LCD_WRITE_REG_16B(0xd42c, 0x0003); LCD_WRITE_REG_16B(0xd42d, 0x00cb); LCD_WRITE_REG_16B(0xd42e, 0x0003); LCD_WRITE_REG_16B(0xd42f, 0x00cb); LCD_WRITE_REG_16B(0xd430, 0x0003); LCD_WRITE_REG_16B(0xd431, 0x00cb); LCD_WRITE_REG_16B(0xd432, 0x0003); LCD_WRITE_REG_16B(0xd433, 0x00cc); // Gamma 2.2 Correction for Green (Negative) LCD_WRITE_REG_16B(0xd500, 0x0000); LCD_WRITE_REG_16B(0xd501, 0x005d); LCD_WRITE_REG_16B(0xd502, 0x0000); LCD_WRITE_REG_16B(0xd503, 0x006b); LCD_WRITE_REG_16B(0xd504, 0x0000); LCD_WRITE_REG_16B(0xd505, 0x0084); LCD_WRITE_REG_16B(0xd506, 0x0000); LCD_WRITE_REG_16B(0xd507, 0x009c); LCD_WRITE_REG_16B(0xd508, 0x0000); LCD_WRITE_REG_16B(0xd509, 0x00b1); LCD_WRITE_REG_16B(0xd50a, 0x0000); LCD_WRITE_REG_16B(0xd50b, 0x00D9); LCD_WRITE_REG_16B(0xd50c, 0x0000); LCD_WRITE_REG_16B(0xd50d, 0x00fd); LCD_WRITE_REG_16B(0xd50e, 0x0001); LCD_WRITE_REG_16B(0xd50f, 0x0038); LCD_WRITE_REG_16B(0xd510, 0x0001); LCD_WRITE_REG_16B(0xd511, 0x0068); LCD_WRITE_REG_16B(0xd512, 0x0001); LCD_WRITE_REG_16B(0xd513, 0x00b9); LCD_WRITE_REG_16B(0xd514, 0x0001); LCD_WRITE_REG_16B(0xd515, 0x00fb); LCD_WRITE_REG_16B(0xd516, 0x0002); LCD_WRITE_REG_16B(0xd517, 0x0063); LCD_WRITE_REG_16B(0xd518, 0x0002); LCD_WRITE_REG_16B(0xd519, 0x00b9); LCD_WRITE_REG_16B(0xd51a, 0x0002); LCD_WRITE_REG_16B(0xd51b, 0x00bb); LCD_WRITE_REG_16B(0xd51c, 0x0003); LCD_WRITE_REG_16B(0xd51d, 0x0003); LCD_WRITE_REG_16B(0xd51e, 0x0003); LCD_WRITE_REG_16B(0xd51f, 0x0046); LCD_WRITE_REG_16B(0xd520, 0x0003); LCD_WRITE_REG_16B(0xd521, 0x0069); LCD_WRITE_REG_16B(0xd522, 0x0003); LCD_WRITE_REG_16B(0xd523, 0x008f); LCD_WRITE_REG_16B(0xd524, 0x0003); LCD_WRITE_REG_16B(0xd525, 0x00a4); LCD_WRITE_REG_16B(0xd526, 0x0003); LCD_WRITE_REG_16B(0xd527, 0x00b9); LCD_WRITE_REG_16B(0xd528, 0x0003); LCD_WRITE_REG_16B(0xd529, 0x00c7); LCD_WRITE_REG_16B(0xd52a, 0x0003); LCD_WRITE_REG_16B(0xd52b, 0x00c9); LCD_WRITE_REG_16B(0xd52c, 0x0003); LCD_WRITE_REG_16B(0xd52d, 0x00cb); LCD_WRITE_REG_16B(0xd52e, 0x0003); LCD_WRITE_REG_16B(0xd52f, 0x00cb); LCD_WRITE_REG_16B(0xd530, 0x0003); LCD_WRITE_REG_16B(0xd531, 0x00cb); LCD_WRITE_REG_16B(0xd532, 0x0003); LCD_WRITE_REG_16B(0xd533, 0x00cc); // Gamma 2.2 Correction for Blue (Negative) LCD_WRITE_REG_16B(0xd600, 0x0000); LCD_WRITE_REG_16B(0xd601, 0x005d); LCD_WRITE_REG_16B(0xd602, 0x0000); LCD_WRITE_REG_16B(0xd603, 0x006b); LCD_WRITE_REG_16B(0xd604, 0x0000); LCD_WRITE_REG_16B(0xd605, 0x0084); LCD_WRITE_REG_16B(0xd606, 0x0000); LCD_WRITE_REG_16B(0xd607, 0x009c); LCD_WRITE_REG_16B(0xd608, 0x0000); LCD_WRITE_REG_16B(0xd609, 0x00b1); LCD_WRITE_REG_16B(0xd60a, 0x0000); LCD_WRITE_REG_16B(0xd60b, 0x00d9); LCD_WRITE_REG_16B(0xd60c, 0x0000); LCD_WRITE_REG_16B(0xd60d, 0x00fd); LCD_WRITE_REG_16B(0xd60e, 0x0001); LCD_WRITE_REG_16B(0xd60f, 0x0038); LCD_WRITE_REG_16B(0xd610, 0x0001); LCD_WRITE_REG_16B(0xd611, 0x0068); LCD_WRITE_REG_16B(0xd612, 0x0001); LCD_WRITE_REG_16B(0xd613, 0x00b9); LCD_WRITE_REG_16B(0xd614, 0x0001); LCD_WRITE_REG_16B(0xd615, 0x00fb); LCD_WRITE_REG_16B(0xd616, 0x0002); LCD_WRITE_REG_16B(0xd617, 0x0063); LCD_WRITE_REG_16B(0xd618, 0x0002); LCD_WRITE_REG_16B(0xd619, 0x00b9); LCD_WRITE_REG_16B(0xd61a, 0x0002); LCD_WRITE_REG_16B(0xd61b, 0x00bb); LCD_WRITE_REG_16B(0xd61c, 0x0003); LCD_WRITE_REG_16B(0xd61d, 0x0003); LCD_WRITE_REG_16B(0xd61e, 0x0003); LCD_WRITE_REG_16B(0xd61f, 0x0046); LCD_WRITE_REG_16B(0xd620, 0x0003); LCD_WRITE_REG_16B(0xd621, 0x0069); LCD_WRITE_REG_16B(0xd622, 0x0003); LCD_WRITE_REG_16B(0xd623, 0x008f); LCD_WRITE_REG_16B(0xd624, 0x0003); LCD_WRITE_REG_16B(0xd625, 0x00a4); LCD_WRITE_REG_16B(0xd626, 0x0003); LCD_WRITE_REG_16B(0xd627, 0x00b9); LCD_WRITE_REG_16B(0xd628, 0x0003); LCD_WRITE_REG_16B(0xd629, 0x00c7); LCD_WRITE_REG_16B(0xd62a, 0x0003); LCD_WRITE_REG_16B(0xd62b, 0x00c9); LCD_WRITE_REG_16B(0xd62c, 0x0003); LCD_WRITE_REG_16B(0xd62d, 0x00cb); LCD_WRITE_REG_16B(0xd62e, 0x0003); LCD_WRITE_REG_16B(0xd62f, 0x00cb); LCD_WRITE_REG_16B(0xd630, 0x0003); LCD_WRITE_REG_16B(0xd631, 0x00cb); LCD_WRITE_REG_16B(0xd632, 0x0003); LCD_WRITE_REG_16B(0xd633, 0x00cc); // BT5 Power Control for VGLX LCD_WRITE_REG_16B(0xba00, 0x0024); LCD_WRITE_REG_16B(0xba01, 0x0024); LCD_WRITE_REG_16B(0xba02, 0x0024); // BT4 Power Control for VGH LCD_WRITE_REG_16B(0xb900, 0x0024); LCD_WRITE_REG_16B(0xb901, 0x0024); LCD_WRITE_REG_16B(0xb902, 0x0024); // Enable manufacturer command set, select page 0 LCD_WRITE_REG_16B(0xf000, 0x0055); LCD_WRITE_REG_16B(0xf001, 0x00aa); LCD_WRITE_REG_16B(0xf002, 0x0052); LCD_WRITE_REG_16B(0xf003, 0x0008); LCD_WRITE_REG_16B(0xf004, 0x0000); // Display Option Control LCD_WRITE_REG_16B(0xb100, 0x00cc); // Display Resolution Control LCD_WRITE_REG_16B(0xB500, 0x0050); // 480RGB X 800 // Inversion Driving Control // 000: Column inversion // 001: 1-dot inversion // 010: 2-dot inversion // 011: 3-dot inversion // 100: 4-dot inversion // 101: Zigzag inversion LCD_WRITE_REG_16B(0xbc00, 0x0005); // Normal mode LCD_WRITE_REG_16B(0xbc01, 0x0005); // Idle mode LCD_WRITE_REG_16B(0xbc02, 0x0005); // Partial mode // EQ Control Function for Source Driver LCD_WRITE_REG_16B(0xb800, 0x0001); // EQ mode 1 LCD_WRITE_REG_16B(0xb801, 0x0003); // Normal mode, 0.5us per step = 1.5 us LCD_WRITE_REG_16B(0xb802, 0x0003); // Idle mode, 0.5us per step = 1.5 us LCD_WRITE_REG_16B(0xb803, 0x0003); // Partial mode, 0.5us per step = 1.5 us // Display Timing Control LCD_WRITE_REG_16B(0xbd02, 0x0007); // Normal mode LCD_WRITE_REG_16B(0xbd03, 0x0031); // Normal mode LCD_WRITE_REG_16B(0xbe02, 0x0007); // Idle mode LCD_WRITE_REG_16B(0xbe03, 0x0031); // Idle mode LCD_WRITE_REG_16B(0xbf02, 0x0007); // Partial mode LCD_WRITE_REG_16B(0xbf03, 0x0031); // Partial mode // Undocumented registers LCD_WRITE_REG_16B(0xff00, 0x00aa); LCD_WRITE_REG_16B(0xff01, 0x0055); LCD_WRITE_REG_16B(0xff02, 0x0025); LCD_WRITE_REG_16B(0xff03, 0x0001); // Undocumented registers LCD_WRITE_REG_16B(0xf304, 0x0011); LCD_WRITE_REG_16B(0xf306, 0x0010); LCD_WRITE_REG_16B(0xf308, 0x0000); // Tearing effect line on LCD_WRITE_REG_16B(0x3500, 0x0000); // Only v-blanking information // Interface Pixel Format LCD_WRITE_REG_16B(0x3A00, 0x0005); // I80 16-bit per pixel // Display On LCD_WRITE_CMD_16B(0x2900); // Out sleep LCD_WRITE_CMD_16B(0x1100); // Write continue LCD_WRITE_CMD_16B(0x2C00); }