修改通讯串口逻辑，添加810，811，812指令
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2025-10-27 Administrator the first version
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*/
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#include "lvgl.h"
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#include "lv_port_disp.h"
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#include "ssd1963.h"
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// 屏幕分辨率（请根据实际 LCD 调整）
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#define LCD_WIDTH 480
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#define LCD_HEIGHT 272
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// 绘图缓冲区：建议为屏幕宽度 * 10 行
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static lv_color_t draw_buf1[LCD_WIDTH * 10]; // 前缓冲
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static lv_color_t draw_buf2[LCD_WIDTH * 10]; // 后缓冲（可选，用于双缓冲）
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// LVGL 绘图缓冲区描述符
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static lv_disp_draw_buf_t draw_buf;
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// 刷屏完成回调
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static void disp_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
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{
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// 设置 SSD1963 显示窗口
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ssd1963_set_window(area->x1, area->y1, area->x2, area->y2);
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// 写入像素数据
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uint32_t size = (area->x2 - area->x1 + 1) * (area->y2 - area->y1 + 1);
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for (uint32_t i = 0; i < size; i++) {
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SSD1963_DATA_ADDR = color_p[i].full; // 使用 FSMC 写入
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}
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// ✅ 必须调用！通知 LVGL 刷屏已完成
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lv_disp_flush_ready(disp_drv);
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}
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/**
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* @brief 初始化 LVGL 显示驱动
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*/
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void lv_port_disp_init(void)
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{
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// 1. 初始化 FSMC 总线（由 STM32CubeMX 生成）
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// MX_FSMC_Init();
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// 2. 初始化 SSD1963 控制器
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ssd1963_init(); // ✅ 使用 ssd1963.h 中的初始化函数
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// 注释掉重复的 lcd_init()
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// lcd_init(); // ❌ 删除：与 ssd1963_init() 重复或冲突
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// 3. 初始化 LVGL 的绘图缓冲区
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// 参数：缓冲区结构体、第一个缓冲区、第二个缓冲区（可选）、总大小（像素数）
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lv_disp_draw_buf_init(&draw_buf, draw_buf1, draw_buf2, LCD_WIDTH * 10);
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// 4. 初始化显示驱动
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static lv_disp_drv_t disp_drv;
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lv_disp_drv_init(&disp_drv);
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disp_drv.hor_res = LCD_WIDTH; // 水平分辨率
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disp_drv.ver_res = LCD_HEIGHT; // 垂直分辨率
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disp_drv.flush_cb = disp_flush; // 刷屏回调
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disp_drv.draw_buf = &draw_buf; // 绑定缓冲区 ✅ 必须赋值！
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// 5. 注册显示设备到 LVGL
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lv_disp_drv_register(&disp_drv);
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}
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@@ -0,0 +1,32 @@
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2025-10-27 Administrator the first version
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*/
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#ifndef APPLICATIONS_LV_PORT_DISP_H_
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#define APPLICATIONS_LV_PORT_DISP_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define LV_COLOR_DEPTH 16
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#define LV_HOR_RES_MAX 480
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#define LV_VER_RES_MAX 272
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#define LV_DPI 130
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void ssd1963_init(void);
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void ssd1963_set_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
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/**
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* @brief 初始化 LVGL 显示驱动
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* 调用 ssd1963_init() 并注册到 LVGL
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*/
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void lv_port_disp_init(void);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* APPLICATIONS_LV_PORT_DISP_H_ */
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@@ -0,0 +1,248 @@
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2025-10-26 Administrator the first version
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*/
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/**
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* @file ssd1963.c
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* @brief SSD1963 TFT LCD Controller Driver for STM32F407 + FSMC + RT-Thread
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* @author Qwen (Generated for RTT)
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* @date 2025-10-26
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*/
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#include "rtthread.h"
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#include "rtdevice.h"
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#include "ssd1963.h" // 确保路径正确
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#include <board.h>
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// ==================== 引脚定义 (根据你的硬件修改) ====================
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#define LCD_RST_PIN GET_PIN(B,2) // 复位引脚
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#define LCD_BL_PIN GET_PIN(B,0) // 背光控制引脚 (PWM)
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// ==================== SSD1963 命令定义 ====================
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#define SSD1963_NOP 0x00
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#define SSD1963_SOFT_RESET 0x01
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#define SSD1963_GET_PWR_MODE 0x0A
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#define SSD1963_GET_ADDR_MODE 0x0B
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#define SSD1963_GET_PIX_FORMAT 0x0C
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#define SSD1963_GET_SIG_MODE 0x0D
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#define SSD1963_GET_DIAGNOSTIC 0x0F
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#define SSD1963_ENTER_SLEEP 0x10
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#define SSD1963_EXIT_SLEEP 0x11
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#define SSD1963_ENTER_PARTIAL 0x12
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#define SSD1963_ENTER_NORMAL 0x13
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#define SSD1963_EXIT_INVERT 0x20
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#define SSD1963_ENTER_INVERT 0x21
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#define SSD1963_SET_GAMMA 0x26
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#define SSD1963_BLANK_OFF 0x28
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#define SSD1963_BLANK_ON 0x29
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#define SSD1963_CLEAR_WINDOW 0x2D
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#define SSD1963_WRITE_MEMORY_START 0x2C
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#define SSD1963_READ_MEMORY 0x2E
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#define SSD1963_SET_PARTIAL_AREA 0x30
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#define SSD1963_SET_SCROLL_AREA 0x33
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#define SSD1963_SET_TEAR_OFF 0x34
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#define SSD1963_SET_TEAR_ON 0x35
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#define SSD1963_MEM_ACCESS_CTRL 0x36
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#define SSD1963_VERTICAL_SCROLL 0x37
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#define SSD1963_IDLE_OFF 0x38
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#define SSD1963_IDLE_ON 0x39
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#define SSD1963_SET_PIX_FORMAT 0x3A
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#define SSD1963_SET_IMAGE_FUNC 0x3B
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#define SSD1963_WRITE_MEMORY_CONTINUE 0x3C
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#define SSD1963_READ_MEMORY_CONTINUE 0x3E
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#define SSD1963_SET_COLUMN 0x2A
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#define SSD1963_SET_ROW 0x2B
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#define SSD1963_SET_XY 0x2C
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#define SSD1963_SET_TE_LINE 0x40
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#define SSD1963_GET_SCAN_LINE 0x45
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#define SSD1963_GET_HOR_PERIOD 0x44
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#define SSD1963_SET_PLL_MN 0xE0
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#define SSD1963_SET_PLL 0xE2
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#define SSD1963_SET_PLL_ENABLE 0xE3
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#define SSD1963_SET_DESKTOP_START 0xEA
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// ==================== 基础操作函数 ====================
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/**
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* @brief 写入命令
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* @param cmd 命令字节
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*/
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static void ssd1963_write_cmd(uint8_t cmd)
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{
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SSD1963_CMD_ADDR = cmd;
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}
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/**
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* @brief 写入数据字节
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* @param data 数据字节
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*/
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static void ssd1963_write_data(uint8_t data)
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{
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SSD1963_DATA_ADDR = data;
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}
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/**
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* @brief 写入 16 位数据
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* @param data 16 位数据
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*/
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static void ssd1963_write_data_16(uint16_t data)
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{
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SSD1963_DATA_ADDR = data;
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}
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/**
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* @brief 写入 32 位数据（分 4 次）
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* @param data 32 位数据
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*/
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static void ssd1963_write_data_long(uint32_t data)
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{
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ssd1963_write_data((data >> 24) & 0xFF);
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ssd1963_write_data((data >> 16) & 0xFF);
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ssd1963_write_data((data >> 8) & 0xFF);
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ssd1963_write_data(data & 0xFF);
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}
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// ==================== 显示设置函数 ====================
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/**
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* @brief 设置显示窗口（GRAM 区域）
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* @param x1 起始 X 坐标
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* @param y1 起始 Y 坐标
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* @param x2 结束 X 坐标
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* @param y2 结束 Y 坐标
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*/
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void ssd1963_set_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
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{
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ssd1963_write_cmd(SSD1963_SET_COLUMN);
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ssd1963_write_data_long(x1);
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ssd1963_write_data_long(x2);
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ssd1963_write_cmd(SSD1963_SET_ROW);
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ssd1963_write_data_long(y1);
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ssd1963_write_data_long(y2);
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ssd1963_write_cmd(SSD1963_WRITE_MEMORY_START); // 准备写 GRAM
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}
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/**
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* @brief 清屏
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* @param color 填充颜色 (RGB565)
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*/
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void ssd1963_clear(rt_uint16_t color)
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{
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uint32_t i;
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uint32_t total_pixels = 480 * 272; // 根据实际分辨率调整
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ssd1963_set_window(0, 0, 479, 271);
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for (i = 0; i < total_pixels; i++)
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{
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SSD1963_DATA_ADDR = color;
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}
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}
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// ==================== 初始化函数 ====================
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/**
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* @brief 初始化 SSD1963 控制器
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* 支持 480x272 分辨率，16位色
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*/
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void ssd1963_init(void)
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{
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rt_pin_mode(LCD_RST_PIN, PIN_MODE_OUTPUT);
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// 复位
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rt_pin_write(LCD_RST_PIN, PIN_LOW);
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rt_thread_mdelay(100);
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rt_pin_write(LCD_RST_PIN, PIN_HIGH);
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rt_thread_mdelay(150);
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// 软件复位
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ssd1963_write_cmd(SSD1963_SOFT_RESET);
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rt_thread_mdelay(10);
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// ============= 设置 PLL =============
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// PLL = (CLK * (M+1)) / (N+1), 典型主频 10MHz 输入
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ssd1963_write_cmd(SSD1963_SET_PLL_MN);
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ssd1963_write_data(0x23); // M = 35, M+1=36
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ssd1963_write_data(0x02); // N = 2, N+1=3
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ssd1963_write_data(0x04); // DIV = 4
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// 启用 PLL
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ssd1963_write_cmd(SSD1963_SET_PLL_ENABLE);
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ssd1963_write_data(0x01); // 开启 PLL
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rt_thread_mdelay(1);
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ssd1963_write_cmd(SSD1963_SET_PLL_ENABLE);
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ssd1963_write_data(0x03); // 锁定 PLL
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rt_thread_mdelay(5);
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// 选择 PLL 作为系统时钟
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ssd1963_write_cmd(SSD1963_SET_PLL);
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ssd1963_write_data(0x03);
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// ============= 设置 LCD 模式 =============
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ssd1963_write_cmd(0xB0); // Set LCD Mode
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ssd1963_write_data(0x20); // 24-bit/pixel, TFT 模式
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ssd1963_write_data(0x01); // HSYNC+VSYNC 控制
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ssd1963_write_data_long(480); // LCD 宽度
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ssd1963_write_data_long(272); // LCD 高度
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ssd1963_write_data_long(41); // HSYNC 脉冲宽度 (41)
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ssd1963_write_data_long(2); // HSYNC 起始延迟 (HBP)
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ssd1963_write_data_long(2); // HSYNC 结束延迟 (HFP)
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ssd1963_write_data_long(10); // VSYNC 脉冲宽度 (10)
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ssd1963_write_data_long(2); // VSYNC 起始延迟 (VBP)
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ssd1963_write_data_long(2); // VSYNC 结束延迟 (VFP)
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// ============= 设置像素格式 =============
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ssd1963_write_cmd(SSD1963_SET_PIX_FORMAT);
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ssd1963_write_data(0x55); // 16位色 (RGB565)
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// ============= 设置内存访问方向 =============
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ssd1963_write_cmd(SSD1963_MEM_ACCESS_CTRL);
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ssd1963_write_data(0x08); // RGB, 正常方向
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// ============= 设置背光 =============
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// rt_pin_mode(LCD_BL_PIN, PIN_MODE_OUTPUT);
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// rt_pwm_enable(LCD_BL_PIN);
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// rt_pwm_set(LCD_BL_PIN, 1000, 50000); // 1kHz, 50% 占空比 (可调)
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// rt_pin_write(LCD_BL_PIN, PIN_HIGH); // 直接输出高电平点亮
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// ============= 开启显示 =============
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ssd1963_write_cmd(SSD1963_EXIT_SLEEP);
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rt_thread_mdelay(10);
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ssd1963_write_cmd(SSD1963_BLANK_OFF);
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ssd1963_write_cmd(SSD1963_ENTER_NORMAL);
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rt_thread_mdelay(10);
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ssd1963_write_cmd(SSD1963_IDLE_OFF);
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// 初始窗口
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ssd1963_set_window(0, 0, 799, 479);
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// 可选：清屏为黑色
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ssd1963_clear(0x00f0);
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}
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// ==================== LVGL 对接接口 (可选封装) ====================
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/**
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* @brief 获取屏幕宽度
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* @return 宽度
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*/
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rt_uint16_t ssd1963_get_width(void)
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{
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return 800;
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}
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/**
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* @brief 获取屏幕高度
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* @return 高度
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*/
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rt_uint16_t ssd1963_get_height(void)
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{
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return 480;
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}
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@@ -0,0 +1,35 @@
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2025-10-26 Administrator the first version
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*/
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#ifndef APPLICATIONS_SSD1963_H_
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#define APPLICATIONS_SSD1963_H_
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#include <rtthread.h>
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// ==================== FSMC 地址映射（必须放在头文件中供外部使用）====================
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// 假设使用 FSMC Bank1, NE1, A16 作为 RS/DC 控制线
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#define SSD1963_BASE_ADDR ((uint32_t)(0x60000000)) // FSMC_NE1
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#define LCD_CMD_ADDR (LCD_BASE_ADDR + 0x00000000) // A0 = 0
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#define LCD_DATA_ADDR (LCD_BASE_ADDR + 0x00020000) // A0 = 1
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// 定义 FSMC 地址：假设使用 Bank1, Base Address 0x60000000，A0 对应地址位1
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#define SSD1963_CMD_ADDR *(volatile uint16_t *)(0x60000000)
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#define SSD1963_DATA_ADDR *(volatile uint16_t *)(0x60020000)
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#define LCD_Write_Cmd(cmd) (*(__IO uint16_t*)LCD_CMD_ADDR = (cmd))
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#define LCD_Write_Data(dat) (*(__IO uint16_t*)LCD_DATA_ADDR = (dat))
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// 函数声明
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void ssd1963_init(void);
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void ssd1963_set_window(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2);
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void ssd1963_clear(rt_uint16_t color);
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rt_uint16_t ssd1963_get_width(void);
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rt_uint16_t ssd1963_get_height(void);
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#endif /* APPLICATIONS_SSD1963_H_ */
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