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113 lines
3.0 KiB
113 lines
3.0 KiB
/*
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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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* 2025-12-06 Administrator the first version
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*/
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/* lcd.c *//* lcd.c */
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#include "lcd.h"
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#include "lcdfont.h" // 确保该文件存在，否则注释掉字体相关函数
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#include <string.h>
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uint32_t g_point_color = RED;
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uint32_t g_back_color = WHITE;
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_lcd_dev lcddev;
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void lcd_init(void) {
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lcddev.id = 0x7016; // 模拟 ID
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rt_kprintf("LCD ID:%x\r\n", lcddev.id);
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if (lcdltdc.pwidth != 0) {
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lcd_display_dir(1); // 横屏
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}
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lcd_clear(WHITE);
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lcd_rgb_test();
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}
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//INIT_APP_EXPORT(lcd_init);
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void lcd_rgb_test(void)
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{
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rt_kprintf("Starting LCD RGB flash test...\n");
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for (int cycle = 0; cycle < 10; cycle++) {
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lcd_clear(RED); // 全屏红色
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rt_thread_mdelay(500);
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lcd_clear(GREEN); // 全屏绿色
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rt_thread_mdelay(500);
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lcd_clear(BLUE); // 全屏蓝色
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rt_thread_mdelay(500);
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}
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lcd_clear(WHITE); // 最后恢复白色
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rt_kprintf("LCD RGB test finished.\n");
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}
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void lcd_display_dir(uint8_t dir) {
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lcddev.dir = dir;
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ltdc_display_dir(dir);
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lcddev.width = lcdltdc.width;
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lcddev.height = lcdltdc.height;
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}
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void lcd_clear(uint32_t color) {
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if (lcdltdc.pwidth != 0) {
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ltdc_clear(color);
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}
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}
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void lcd_draw_point(uint16_t x, uint16_t y, uint32_t color) {
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if (lcdltdc.pwidth != 0) {
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ltdc_draw_point(x, y, color);
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}
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}
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void lcd_fill(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint32_t color) {
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if (lcdltdc.pwidth != 0) {
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ltdc_fill(sx, sy, ex, ey, color);
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}
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}
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// === 最小实现：避免编译错误 ===
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void lcd_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint32_t color) {
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// 简单 Bresenham 算法（可选）
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lcd_draw_point(x1, y1, color);
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lcd_draw_point(x2, y2, color);
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}
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void lcd_draw_rectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint32_t color) {
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lcd_draw_line(x1, y1, x2, y1, color);
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lcd_draw_line(x1, y2, x2, y2, color);
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lcd_draw_line(x1, y1, x1, y2, color);
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lcd_draw_line(x2, y1, x2, y2, color);
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}
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void lcd_draw_circle(uint16_t x0, uint16_t y0, uint8_t r, uint32_t color) {
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// 空实现或简单点
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lcd_draw_point(x0, y0, color);
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}
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void lcd_fill_circle(uint16_t x, uint16_t y, uint16_t r, uint32_t color) {
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lcd_draw_point(x, y, color);
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}
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void lcd_show_char(uint16_t x, uint16_t y, char chr, uint8_t size, uint8_t mode, uint32_t color) {
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// 若无字体，跳过
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}
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void lcd_show_num(uint16_t x, uint16_t y, uint32_t num, uint8_t len, uint8_t size, uint32_t color) {}
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void lcd_show_xnum(uint16_t x, uint16_t y, uint32_t num, uint8_t len, uint8_t size, uint8_t mode, uint32_t color) {}
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void lcd_show_string(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint8_t size, char *p, uint32_t color) {}
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// 工具函数（若未使用可删除）
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static uint32_t lcd_pow(uint8_t m, uint8_t n) {
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uint32_t result = 1;
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while (n--) result *= m;
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return result;
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}
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