185 lines
6.7 KiB
C
185 lines
6.7 KiB
C
#include "gpio.h"
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#include "esp_lvgl_port.h"
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#include "esp_lcd_st77916.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "lcd.h"
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#include "esp_lcd_touch_cst816s.h"
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#include "unity.h"
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#include "unity_test_runner.h"
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#include <string.h>
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#include "esp_heap_caps.h"
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static lv_disp_t * disp_handle = NULL;
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static esp_lcd_panel_handle_t panel_handle = NULL;
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static esp_lcd_panel_io_handle_t io_handle = NULL;
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static esp_lcd_touch_handle_t touch_handle;
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static esp_lcd_panel_io_handle_t tp_io_handle = NULL;
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void lcd_init(){
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const spi_bus_config_t buscfg = ST77916_PANEL_BUS_QSPI_CONFIG(PIN_LCD_CLK,
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PIN_LCD_D0,
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PIN_LCD_D1,
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PIN_LCD_D2,
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PIN_LCD_D3,
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LCD_HIGH * 80 * sizeof(uint16_t));
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spi_bus_initialize(SPI_LCD_HOST, &buscfg, SPI_DMA_CH_AUTO);
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// 自定义IO配置，提升SPI时钟从40MHz到80MHz
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esp_lcd_panel_io_spi_config_t io_config = ST77916_PANEL_IO_QSPI_CONFIG(PIN_LCD_CS, NULL, NULL);
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io_config.pclk_hz = 80 * 1000 * 1000; // 提升到80MHz（最大值）
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi((esp_lcd_spi_bus_handle_t)SPI_LCD_HOST, &io_config, &io_handle));
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const st77916_vendor_config_t vendor_config = {
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.flags = {
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.use_qspi_interface = 1,
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},
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};
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const esp_lcd_panel_dev_config_t panel_config = {
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.reset_gpio_num = PIN_LCD_RST,
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.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
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.bits_per_pixel = 16,
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.vendor_config = &vendor_config,
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};
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ESP_ERROR_CHECK(esp_lcd_new_panel_st77916(io_handle, &panel_config, &panel_handle));
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esp_lcd_panel_reset(panel_handle);
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esp_lcd_panel_init(panel_handle);
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// 清空LCD GRAM，避免显示上次关机时的残留画面
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// 创建黑色缓冲区填充整个屏幕
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size_t clear_buffer_size = LCD_WID * 40; // 每次清除40行
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uint16_t *clear_buffer = heap_caps_malloc(clear_buffer_size * sizeof(uint16_t), MALLOC_CAP_DMA);
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if (clear_buffer) {
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memset(clear_buffer, 0, clear_buffer_size * sizeof(uint16_t)); // 填充黑色(0x0000)
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// 分批填充整个屏幕（避免一次性分配大内存）
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for (int y = 0; y < LCD_HIGH; y += 40) {
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int lines = (y + 40 > LCD_HIGH) ? (LCD_HIGH - y) : 40;
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esp_lcd_panel_draw_bitmap(panel_handle, 0, y, LCD_WID, y + lines, clear_buffer);
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}
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heap_caps_free(clear_buffer);
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ESP_LOGI(LCD_TAG, "LCD GRAM cleared (black filled)");
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} else {
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ESP_LOGE(LCD_TAG, "Failed to allocate clear buffer");
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}
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esp_lcd_panel_disp_on_off(panel_handle, true);
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}
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// 初始化触摸控制器
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void touch_init(){
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const esp_lcd_touch_config_t tp_cfg = {
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.x_max = LCD_WID,
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.y_max = LCD_HIGH,
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.rst_gpio_num = PIN_TP_RST,
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.int_gpio_num = PIN_TP_INT,
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.levels = {
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.reset = 0,// 重置电平
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.interrupt = 0,// 中断电平
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},
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.flags = {
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.swap_xy = false,// 交换XY轴
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.mirror_x = false,// 水平镜像
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.mirror_y = false,// 垂直镜像
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},
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};
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const esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
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esp_err_t err = esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)I2C_MASTER_NUM, &tp_io_config, &tp_io_handle);
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if (err != ESP_OK) {
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ESP_LOGE(LCD_TAG, "Failed to create I2C IO for touch: %s", esp_err_to_name(err));
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return;
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}
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err = esp_lcd_touch_new_i2c_cst816s(tp_io_handle, &tp_cfg, &touch_handle);
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if (err != ESP_OK) {
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ESP_LOGE(LCD_TAG, "Failed to create touch handle: %s", esp_err_to_name(err));
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return;
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}
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ESP_LOGI(LCD_TAG, "Touch controller initialized successfully");
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}
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// 初始化LVGL显示和触摸
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void lvgl_lcd_init(){
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const lvgl_port_cfg_t lvgl_cfg = {
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.task_priority = 4,
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.task_stack = 8192,
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.task_affinity = -1,
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.task_max_sleep_ms = 500,
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.timer_period_ms = 5
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};
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lvgl_port_init(&lvgl_cfg);
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#define LVGL_DRAW_BUF_LINES 30
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size_t buffer_size = LCD_WID * LVGL_DRAW_BUF_LINES;
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ESP_LOGI(LCD_TAG, "LVGL buffer size: %d bytes (W: %d, Lines: %d)",
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buffer_size * 2, LCD_WID, LVGL_DRAW_BUF_LINES);
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const lvgl_port_display_cfg_t disp_cfg = {
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.io_handle = io_handle,
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.panel_handle = panel_handle,
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.buffer_size = buffer_size,
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.double_buffer = true,
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.hres = LCD_WID,
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.vres = LCD_HIGH,
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.monochrome = false,// 单色显示
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.rotation = {
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.swap_xy = false,// 交换XY轴
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.mirror_x = false,// 水平镜像
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.mirror_y = false,// 垂直镜像
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},
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.flags = {
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.buff_dma = true,// 使用DMA传输显示缓冲区
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}
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};
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disp_handle = lvgl_port_add_disp(&disp_cfg);
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if (touch_handle != NULL) {
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lvgl_port_touch_cfg_t touch_cgf = {
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.disp = disp_handle,
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.handle = touch_handle,
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};
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lvgl_port_add_touch(&touch_cgf);
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ESP_LOGI(LCD_TAG, "Touch controller added to LVGL");
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} else {
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ESP_LOGE(LCD_TAG, "Touch handle is NULL, skipping touch initialization");
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}
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}
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void get_touch(uint16_t* touchx,uint16_t* touchy){
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if (touch_handle == NULL) {
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ESP_LOGE(LCD_TAG, "Touch handle is NULL, cannot get touch data");
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*touchx = 0;
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*touchy = 0;
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return;
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}
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uint8_t max = 1;
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max = touch_handle->data.points;
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*touchx = touch_handle->data.coords[0].x;
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*touchy = touch_handle->data.coords[0].y;
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printf("%x\n",max);
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}
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// 清空LCD GRAM为黑色（用于低功耗熄屏前，避免残影）
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void lcd_clear_screen_black(void) {
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if (panel_handle == NULL) {
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ESP_LOGE(LCD_TAG, "Panel handle is NULL, cannot clear screen");
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return;
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}
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size_t clear_buffer_size = LCD_WID * 40; // 每次清除40行
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uint16_t *clear_buffer = heap_caps_malloc(clear_buffer_size * sizeof(uint16_t), MALLOC_CAP_DMA);
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if (clear_buffer) {
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memset(clear_buffer, 0, clear_buffer_size * sizeof(uint16_t)); // 填充黑色(0x0000)
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// 分批填充整个屏幕
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for (int y = 0; y < LCD_HIGH; y += 40) {
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int lines = (y + 40 > LCD_HIGH) ? (LCD_HIGH - y) : 40;
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esp_lcd_panel_draw_bitmap(panel_handle, 0, y, LCD_WID, y + lines, clear_buffer);
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}
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heap_caps_free(clear_buffer);
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ESP_LOGI(LCD_TAG, "LCD GRAM cleared to black (for low power mode)");
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} else {
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ESP_LOGE(LCD_TAG, "Failed to allocate clear buffer");
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}
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} |