391 lines
12 KiB
C
391 lines
12 KiB
C
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// Copyright 2020 Espressif Systems (Shanghai) Co. Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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#include "driver/gpio.h"
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#include "screen_driver.h"
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#include "screen_utility.h"
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#include "ili9341.h"
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static const char *TAG = "lcd ili9341";
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#define LCD_CHECK(a, str, ret) if(!(a)) { \
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ESP_LOGE(TAG,"%s:%d (%s):%s", __FILE__, __LINE__, __FUNCTION__, str); \
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return (ret); \
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}
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#define LCD_NAME "ILI9341"
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#define LCD_BPP 16
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/** commands of ILI9341 */
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#define LCD_SWRESET 0x01 // Software Reset
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#define LCD_RDDID 0x04 // Read Display ID
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#define LCD_INVOFF 0x20 // Display Inversion Off
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#define LCD_INVON 0x21 // Display Inversion On
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#define LCD_CASET 0x2A // Column Address Set
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#define LCD_PASET 0x2B // Row Address Set
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#define LCD_RAMWR 0x2C // Memory Writ
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#define LCD_RAMRD 0x2E // Memory Read
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#define LCD_MADCTL 0x36 // Memory Data Access Contro
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/* MADCTL Defines */
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#define MADCTL_MY 0x80
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#define MADCTL_MX 0x40
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#define MADCTL_MV 0x20
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#define MADCTL_ML 0x10
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#define MADCTL_RGB 0x08
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#define MADCTL_MH 0x04
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#define ILI9341_RESOLUTION_HOR 240
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#define ILI9341_RESOLUTION_VER 320
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static scr_handle_t g_lcd_handle;
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/**
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* This header file is only used to redefine the function to facilitate the call.
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* It can only be placed in this position, not in the head of the file.
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*/
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#include "interface_drv_def.h"
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scr_driver_t lcd_ili9341_default_driver = {
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.init = lcd_ili9341_init,
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.deinit = lcd_ili9341_deinit,
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.set_direction = lcd_ili9341_set_rotation,
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.set_window = lcd_ili9341_set_window,
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.write_ram_data = lcd_ili9341_write_ram_data,
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.draw_pixel = lcd_ili9341_draw_pixel,
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.draw_bitmap = lcd_ili9341_draw_bitmap,
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.get_info = lcd_ili9341_get_info,
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};
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static esp_err_t lcd_ili9341_init_reg(void);
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esp_err_t lcd_ili9341_init(const scr_controller_config_t *lcd_conf)
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{
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LCD_CHECK(lcd_conf->width <= ILI9341_RESOLUTION_HOR, "Width greater than maximum", ESP_ERR_INVALID_ARG);
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LCD_CHECK(lcd_conf->height <= ILI9341_RESOLUTION_VER, "Height greater than maximum", ESP_ERR_INVALID_ARG);
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LCD_CHECK(NULL != lcd_conf, "config pointer invalid", ESP_ERR_INVALID_ARG);
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LCD_CHECK((NULL != lcd_conf->interface_drv->write_cmd && \
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NULL != lcd_conf->interface_drv->write_data && \
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NULL != lcd_conf->interface_drv->write && \
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NULL != lcd_conf->interface_drv->read && \
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NULL != lcd_conf->interface_drv->bus_acquire && \
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NULL != lcd_conf->interface_drv->bus_release),
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"Interface driver invalid", ESP_ERR_INVALID_ARG);
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esp_err_t ret;
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// Reset the display
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if (lcd_conf->pin_num_rst >= 0) {
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gpio_pad_select_gpio(lcd_conf->pin_num_rst);
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gpio_set_direction(lcd_conf->pin_num_rst, GPIO_MODE_OUTPUT);
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gpio_set_level(lcd_conf->pin_num_rst, (lcd_conf->rst_active_level) & 0x1);
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vTaskDelay(100 / portTICK_RATE_MS);
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gpio_set_level(lcd_conf->pin_num_rst, (~(lcd_conf->rst_active_level)) & 0x1);
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vTaskDelay(100 / portTICK_RATE_MS);
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}
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g_lcd_handle.interface_drv = lcd_conf->interface_drv;
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g_lcd_handle.original_width = lcd_conf->width;
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g_lcd_handle.original_height = lcd_conf->height;
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g_lcd_handle.offset_hor = lcd_conf->offset_hor;
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g_lcd_handle.offset_ver = lcd_conf->offset_ver;
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ret = lcd_ili9341_init_reg();
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LCD_CHECK(ESP_OK == ret, "Write lcd register encounter error", ESP_FAIL);
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// Enable backlight
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if (lcd_conf->pin_num_bckl >= 0) {
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gpio_pad_select_gpio(lcd_conf->pin_num_bckl);
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gpio_set_direction(lcd_conf->pin_num_bckl, GPIO_MODE_OUTPUT);
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gpio_set_level(lcd_conf->pin_num_bckl, (lcd_conf->bckl_active_level) & 0x1);
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}
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return lcd_ili9341_set_rotation(lcd_conf->rotate);
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}
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esp_err_t lcd_ili9341_deinit(void)
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{
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memset(&g_lcd_handle, 0, sizeof(scr_handle_t));
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return ESP_OK;
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}
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esp_err_t lcd_ili9341_set_rotation(scr_dir_t dir)
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{
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esp_err_t ret;
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uint8_t reg_data = 0;
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reg_data |= MADCTL_RGB;
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if (SCR_DIR_MAX < dir) {
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dir >>= 5;
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}
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LCD_CHECK(dir < 8, "Unsupport rotate direction", ESP_ERR_INVALID_ARG);
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switch (dir) {
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case SCR_DIR_LRTB:
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g_lcd_handle.width = g_lcd_handle.original_width;
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g_lcd_handle.height = g_lcd_handle.original_height;
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break;
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case SCR_DIR_LRBT:
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reg_data |= MADCTL_MY;
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g_lcd_handle.width = g_lcd_handle.original_width;
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g_lcd_handle.height = g_lcd_handle.original_height;
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break;
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case SCR_DIR_RLTB:
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reg_data |= MADCTL_MX;
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g_lcd_handle.width = g_lcd_handle.original_width;
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g_lcd_handle.height = g_lcd_handle.original_height;
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break;
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case SCR_DIR_RLBT:
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reg_data |= MADCTL_MX | MADCTL_MY;
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g_lcd_handle.width = g_lcd_handle.original_width;
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g_lcd_handle.height = g_lcd_handle.original_height;
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break;
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case SCR_DIR_TBLR:
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reg_data |= MADCTL_MV;
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g_lcd_handle.width = g_lcd_handle.original_height;
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g_lcd_handle.height = g_lcd_handle.original_width;
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break;
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case SCR_DIR_BTLR:
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reg_data |= MADCTL_MY | MADCTL_MV;
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g_lcd_handle.width = g_lcd_handle.original_height;
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g_lcd_handle.height = g_lcd_handle.original_width;
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break;
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case SCR_DIR_TBRL:
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reg_data |= MADCTL_MX | MADCTL_MV;
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g_lcd_handle.width = g_lcd_handle.original_height;
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g_lcd_handle.height = g_lcd_handle.original_width;
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break;
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case SCR_DIR_BTRL:
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reg_data |= MADCTL_MX | MADCTL_MY | MADCTL_MV;
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g_lcd_handle.width = g_lcd_handle.original_height;
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g_lcd_handle.height = g_lcd_handle.original_width;
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break;
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default: break;
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}
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ESP_LOGI(TAG, "MADCTL=%x", reg_data);
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ret = LCD_WRITE_REG(LCD_MADCTL, reg_data);
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LCD_CHECK(ESP_OK == ret, "Set screen rotate failed", ESP_FAIL);
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g_lcd_handle.dir = dir;
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return ESP_OK;
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}
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esp_err_t lcd_ili9341_get_info(scr_info_t *info)
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{
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LCD_CHECK(NULL != info, "info pointer invalid", ESP_ERR_INVALID_ARG);
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info->width = g_lcd_handle.width;
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info->height = g_lcd_handle.height;
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info->dir = g_lcd_handle.dir;
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info->name = LCD_NAME;
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info->color_type = SCR_COLOR_TYPE_RGB565;
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info->bpp = LCD_BPP;
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return ESP_OK;
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}
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esp_err_t lcd_ili9341_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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{
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LCD_CHECK((x1 < g_lcd_handle.width) && (y1 < g_lcd_handle.height), "The set coordinates exceed the screen size", ESP_ERR_INVALID_ARG);
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LCD_CHECK((x0 <= x1) && (y0 <= y1), "Window coordinates invalid", ESP_ERR_INVALID_ARG);
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esp_err_t ret = ESP_OK;
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scr_utility_apply_offset(&g_lcd_handle, ILI9341_RESOLUTION_HOR, ILI9341_RESOLUTION_VER, &x0, &y0, &x1, &y1);
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ret |= LCD_WRITE_CMD(LCD_CASET);
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ret |= LCD_WRITE_DATA(x0 >> 8);
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ret |= LCD_WRITE_DATA(x0 & 0xff);
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ret |= LCD_WRITE_DATA(x1 >> 8);
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ret |= LCD_WRITE_DATA(x1 & 0xff);
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ret |= LCD_WRITE_CMD(LCD_PASET);
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ret |= LCD_WRITE_DATA(y0 >> 8);
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ret |= LCD_WRITE_DATA(y0 & 0xff);
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ret |= LCD_WRITE_DATA(y1 >> 8);
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ret |= LCD_WRITE_DATA(y1 & 0xff);
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ret |= LCD_WRITE_CMD(LCD_RAMWR);
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LCD_CHECK(ESP_OK == ret, "Set window failed", ESP_FAIL);
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return ESP_OK;
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}
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esp_err_t lcd_ili9341_set_invert(bool is_invert)
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{
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return LCD_WRITE_CMD(is_invert ? LCD_INVON : LCD_INVOFF);
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}
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esp_err_t lcd_ili9341_write_ram_data(uint16_t color)
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{
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static uint8_t data[2];
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data[0] = (uint8_t)(color & 0xff);
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data[1] = (uint8_t)(color >> 8);
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return LCD_WRITE(data, 2);
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}
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esp_err_t lcd_ili9341_draw_pixel(uint16_t x, uint16_t y, uint16_t color)
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{
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esp_err_t ret;
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ret = lcd_ili9341_set_window(x, y, x, y);
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if (ESP_OK != ret) {
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return ESP_FAIL;
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}
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return lcd_ili9341_write_ram_data(color);
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}
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esp_err_t lcd_ili9341_draw_bitmap(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t *bitmap)
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{
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esp_err_t ret;
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LCD_CHECK(NULL != bitmap, "bitmap pointer invalid", ESP_ERR_INVALID_ARG);
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LCD_IFACE_ACQUIRE();
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ret = lcd_ili9341_set_window(x, y, x + w - 1, y + h - 1);
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if (ESP_OK != ret) {
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return ESP_FAIL;
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}
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uint32_t len = w * h;
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ret = LCD_WRITE((uint8_t *)bitmap, 2 * len);
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LCD_IFACE_RELEASE();
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LCD_CHECK(ESP_OK == ret, "lcd write ram data failed", ESP_FAIL);
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return ESP_OK;
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}
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static esp_err_t lcd_ili9341_init_reg(void)
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{
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//SOFTWARE RESET
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LCD_WRITE_CMD(0x01);
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vTaskDelay(pdMS_TO_TICKS(100));
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//POWER CONTROL A
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LCD_WRITE_CMD(0xCB);
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LCD_WRITE_DATA(0x39);
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LCD_WRITE_DATA(0x2C);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x34);
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LCD_WRITE_DATA(0x02);
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//POWER CONTROL B
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LCD_WRITE_CMD(0xCF);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0xC1);
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LCD_WRITE_DATA(0x30);
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//DRIVER TIMING CONTROL A
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LCD_WRITE_CMD(0xE8);
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LCD_WRITE_DATA(0x85);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x78);
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//DRIVER TIMING CONTROL B
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LCD_WRITE_CMD(0xEA);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x00);
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//POWER ON SEQUENCE CONTROL
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LCD_WRITE_CMD(0xED);
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LCD_WRITE_DATA(0x64);
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LCD_WRITE_DATA(0x03);
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LCD_WRITE_DATA(0x12);
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LCD_WRITE_DATA(0x81);
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//PUMP RATIO CONTROL
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LCD_WRITE_CMD(0xF7);
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LCD_WRITE_DATA(0x20);
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//POWER CONTROL,VRH[5:0]
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LCD_WRITE_CMD(0xC0);
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LCD_WRITE_DATA(0x23);
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//POWER CONTROL,SAP[2:0];BT[3:0]
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LCD_WRITE_CMD(0xC1);
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LCD_WRITE_DATA(0x10);
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//VCM CONTROL
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LCD_WRITE_CMD(0xC5);
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LCD_WRITE_DATA(0x3E);
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LCD_WRITE_DATA(0x28);
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//VCM CONTROL 2
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LCD_WRITE_CMD(0xC7);
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LCD_WRITE_DATA(0x86);
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//MEMORY ACCESS CONTROL
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LCD_WRITE_CMD(0x36);
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LCD_WRITE_DATA(0x48);
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//PIXEL FORMAT
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LCD_WRITE_CMD(0x3A);
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LCD_WRITE_DATA(0x55);
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//FRAME RATIO CONTROL, STANDARD RGB COLOR
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LCD_WRITE_CMD(0xB1);
|
||
|
|
LCD_WRITE_DATA(0x00);
|
||
|
|
LCD_WRITE_DATA(0x18);
|
||
|
|
|
||
|
|
//DISPLAY FUNCTION CONTROL
|
||
|
|
LCD_WRITE_CMD(0xB6);
|
||
|
|
LCD_WRITE_DATA(0x08);
|
||
|
|
LCD_WRITE_DATA(0x82);
|
||
|
|
LCD_WRITE_DATA(0x27);
|
||
|
|
|
||
|
|
//3GAMMA FUNCTION DISABLE
|
||
|
|
LCD_WRITE_CMD(0xF2);
|
||
|
|
LCD_WRITE_DATA(0x00);
|
||
|
|
|
||
|
|
//GAMMA CURVE SELECTED
|
||
|
|
LCD_WRITE_CMD(0x26);
|
||
|
|
LCD_WRITE_DATA(0x01);
|
||
|
|
|
||
|
|
//POSITIVE GAMMA CORRECTION
|
||
|
|
LCD_WRITE_CMD(0xE0);
|
||
|
|
LCD_WRITE_DATA(0x0F);
|
||
|
|
LCD_WRITE_DATA(0x31);
|
||
|
|
LCD_WRITE_DATA(0x2B);
|
||
|
|
LCD_WRITE_DATA(0x0C);
|
||
|
|
LCD_WRITE_DATA(0x0E);
|
||
|
|
LCD_WRITE_DATA(0x08);
|
||
|
|
LCD_WRITE_DATA(0x4E);
|
||
|
|
LCD_WRITE_DATA(0xF1);
|
||
|
|
LCD_WRITE_DATA(0x37);
|
||
|
|
LCD_WRITE_DATA(0x07);
|
||
|
|
LCD_WRITE_DATA(0x10);
|
||
|
|
LCD_WRITE_DATA(0x03);
|
||
|
|
LCD_WRITE_DATA(0x0E);
|
||
|
|
LCD_WRITE_DATA(0x09);
|
||
|
|
LCD_WRITE_DATA(0x00);
|
||
|
|
|
||
|
|
//NEGATIVE GAMMA CORRECTION
|
||
|
|
LCD_WRITE_CMD(0xE1);
|
||
|
|
LCD_WRITE_DATA(0x00);
|
||
|
|
LCD_WRITE_DATA(0x0E);
|
||
|
|
LCD_WRITE_DATA(0x14);
|
||
|
|
LCD_WRITE_DATA(0x03);
|
||
|
|
LCD_WRITE_DATA(0x11);
|
||
|
|
LCD_WRITE_DATA(0x07);
|
||
|
|
LCD_WRITE_DATA(0x31);
|
||
|
|
LCD_WRITE_DATA(0xC1);
|
||
|
|
LCD_WRITE_DATA(0x48);
|
||
|
|
LCD_WRITE_DATA(0x08);
|
||
|
|
LCD_WRITE_DATA(0x0F);
|
||
|
|
LCD_WRITE_DATA(0x0C);
|
||
|
|
LCD_WRITE_DATA(0x31);
|
||
|
|
LCD_WRITE_DATA(0x36);
|
||
|
|
LCD_WRITE_DATA(0x0F);
|
||
|
|
|
||
|
|
//EXIT SLEEP
|
||
|
|
LCD_WRITE_CMD(0x11);
|
||
|
|
vTaskDelay(pdMS_TO_TICKS(120));
|
||
|
|
|
||
|
|
//TURN ON DISPLAY
|
||
|
|
LCD_WRITE_CMD(0x29);
|
||
|
|
return ESP_OK;
|
||
|
|
}
|