357 lines
10 KiB
C
357 lines
10 KiB
C
/*
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* 模块名称：菜单系统
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* 模块功能：通过LCD显示参数，按键导航/调整，AT24C02存储
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* 适用平台：STM32F103C8T6
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* 作者：王建锋
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* 创建日期：2026-07-14
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* 修改记录：
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* 2026-07-14 王建锋 创建初始版本
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*/
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#include "menu.h"
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#include "button_driver.h"
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#include "at24c02.h"
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#include "lcd.h"
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#include "tim.h"
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#include <stdio.h>
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#define COLOR_GRAY 0x8410 /* RGB565 灰 */
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/* ======================== EEPROM 存储布局 ======================== */
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#define EEPROM_DATA_ADDR 0x10 /* 参数存储起始地址 */
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#define EEPROM_MAGIC 0xA55A /* 有效数据标识 */
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#define EEPROM_MAGIC_ADDR 0x0E /* Magic 存储地址（2字节） */
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/* ======================== 参数定义 ======================== */
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typedef struct {
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const char *name; /* 显示名称 */
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const char *unit; /* 单位 */
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int32_t default_val; /* 默认值 */
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int32_t min; /* 最小值 */
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int32_t max; /* 最大值 */
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int32_t step; /* 步进 */
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} ParamDef_t;
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static const ParamDef_t s_param_def[PARAM_COUNT] = {
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{"PWM1", "", 500, 0, 999, 50 },
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{"PWM2", "", 500, 0, 999, 50 },
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{"PWM3", "", 500, 0, 999, 50 },
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{"PWM4", "", 500, 0, 999, 50 },
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};
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/* ======================== 运行时状态 ======================== */
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static int32_t s_param_val[PARAM_COUNT]; /* 当前参数值 */
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static uint8_t s_sel = 0; /* 选中的参数索引 */
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static uint8_t s_editing = 0; /* 0=导航, 1=编辑 */
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static uint8_t s_redraw = 1; /* 需要重绘标志 */
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/* ======================== 静态函数声明 ======================== */
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static void draw_menu(void);
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static void load_params(void);
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static int save_params(void);
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static void apply_param(uint8_t idx);
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/* ======================== 公开函数 ======================== */
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/*
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* 函数功能：菜单系统初始化
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* 入口参数：无
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* 返回值：无
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* 函数说明：从EEPROM加载参数，清屏，绘制初始界面
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*/
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void menu_init(void)
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{
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lcd_draw_string(0, 0, "Menu Loading...", COLOR_WHITE, COLOR_BLACK);
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load_params();
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s_sel = 0;
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s_editing = 0;
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s_redraw = 1;
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apply_param(PARAM_PWM1);
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apply_param(PARAM_PWM2);
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apply_param(PARAM_PWM3);
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apply_param(PARAM_PWM4);
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st7735s_fill_screen(COLOR_BLACK);
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draw_menu();
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}
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/*
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* 函数功能：菜单系统循环处理
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* 入口参数：无
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* 返回值：无
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* 函数说明：轮询按键事件，更新参数/界面。需在主循环中频繁调用
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*/
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void menu_process(void)
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{
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ButtonEvent evt;
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uint8_t i;
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int32_t *p_val;
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/* 依次检查5个按键的事件 */
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for (i = 0; i < 5; i++) {
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evt = button_driver_get_event(i);
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if (evt == BTN_NONE_PRESS) {
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continue;
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}
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if (evt == BTN_SINGLE_CLICK) {
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switch (i) {
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case 0: /* KEY1: 上移 */
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if (!s_editing) {
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if (s_sel > 0) {
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s_sel--;
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} else {
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s_sel = PARAM_COUNT - 1;
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}
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s_redraw = 1;
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}
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break;
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case 1: /* KEY2: 减小 */
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p_val = &s_param_val[s_sel];
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*p_val -= s_param_def[s_sel].step;
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if (*p_val < s_param_def[s_sel].min) {
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*p_val = s_param_def[s_sel].min;
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}
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s_editing = 1;
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s_redraw = 1;
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apply_param(s_sel);
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break;
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case 2: /* KEY3: 下移 */
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if (!s_editing) {
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s_sel++;
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if (s_sel >= PARAM_COUNT) {
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s_sel = 0;
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}
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s_redraw = 1;
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}
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break;
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case 3: /* KEY4: 增大 */
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p_val = &s_param_val[s_sel];
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*p_val += s_param_def[s_sel].step;
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if (*p_val > s_param_def[s_sel].max) {
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*p_val = s_param_def[s_sel].max;
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}
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s_editing = 1;
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s_redraw = 1;
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apply_param(s_sel);
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break;
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case 4: /* KEY5: 确认保存 */
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if (save_params() == AT24C02_OK) {
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lcd_draw_string(0, 80, "SAVED! ", COLOR_GREEN, COLOR_BLACK);
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printf("Menu: params saved\r\n");
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} else {
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lcd_draw_string(0, 80, "SAVE FAIL! ", COLOR_RED, COLOR_BLACK);
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printf("Menu: params save FAIL\r\n");
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}
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s_editing = 0;
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s_redraw = 1;
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break;
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default:
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break;
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}
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}
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/* 只处理一个按键事件每帧 */
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break;
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}
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if (s_redraw) {
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draw_menu();
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s_redraw = 0;
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}
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}
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/*
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* 函数功能：获取指定参数的当前值
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* 入口参数：id - 参数ID
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* 返回值：参数值
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*/
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int32_t menu_get_param(ParamId_t id)
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{
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if (id >= PARAM_COUNT) {
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return 0;
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}
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return s_param_val[id];
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}
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/*
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* 函数功能：强制保存参数到EEPROM
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* 入口参数：无
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* 返回值：0=成功，负值=失败
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*/
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int menu_save_params(void)
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{
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return save_params();
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}
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/* ======================== 内部函数 ======================== */
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/*
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* 函数功能：从EEPROM加载参数
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* 入口参数：无
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* 返回值：无
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* 函数说明：读取EEPROM中存储的参数值，若Magic不对则使用默认值
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*/
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static void load_params(void)
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{
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uint8_t magic_buf[2];
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uint8_t data_buf[PARAM_COUNT * 4];
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int ret;
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uint8_t i;
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/* 先读取Magic */
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ret = at24c02_read_buf(EEPROM_MAGIC_ADDR, magic_buf, 2);
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if ((ret != AT24C02_OK) ||
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(magic_buf[0] != ((EEPROM_MAGIC >> 8) & 0xFF)) ||
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(magic_buf[1] != (EEPROM_MAGIC & 0xFF))) {
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/* Magic不匹配：使用默认值 */
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for (i = 0; i < PARAM_COUNT; i++) {
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s_param_val[i] = s_param_def[i].default_val;
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}
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printf("Menu: using defaults (no saved data)\r\n");
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return;
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}
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/* 读取参数数据 */
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ret = at24c02_read_buf(EEPROM_DATA_ADDR, data_buf, PARAM_COUNT * 4);
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if (ret != AT24C02_OK) {
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for (i = 0; i < PARAM_COUNT; i++) {
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s_param_val[i] = s_param_def[i].default_val;
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}
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printf("Menu: EEPROM read fail, using defaults\r\n");
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return;
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}
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/* 解析数据（小端：低字节在前） */
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for (i = 0; i < PARAM_COUNT; i++) {
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s_param_val[i] = (int32_t)(
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(uint32_t)data_buf[i * 4 + 0] |
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((uint32_t)data_buf[i * 4 + 1] << 8) |
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((uint32_t)data_buf[i * 4 + 2] << 16) |
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((uint32_t)data_buf[i * 4 + 3] << 24));
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/* 钳位到有效范围 */
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if (s_param_val[i] < s_param_def[i].min) {
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s_param_val[i] = s_param_def[i].min;
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}
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if (s_param_val[i] > s_param_def[i].max) {
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s_param_val[i] = s_param_def[i].max;
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}
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}
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printf("Menu: params loaded from EEPROM\r\n");
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}
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/*
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* 函数功能：保存参数到EEPROM
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* 入口参数：无
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* 返回值：0=成功，负值=失败
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* 函数说明：先写Magic标识，再写参数数据
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*/
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static int save_params(void)
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{
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uint8_t magic_buf[2];
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uint8_t data_buf[PARAM_COUNT * 4];
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uint8_t i;
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int ret;
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/* 打包Magic */
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magic_buf[0] = (EEPROM_MAGIC >> 8) & 0xFF;
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magic_buf[1] = EEPROM_MAGIC & 0xFF;
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/* 打包参数（小端） */
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for (i = 0; i < PARAM_COUNT; i++) {
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data_buf[i * 4 + 0] = (uint8_t)(s_param_val[i] & 0xFF);
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data_buf[i * 4 + 1] = (uint8_t)((s_param_val[i] >> 8) & 0xFF);
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data_buf[i * 4 + 2] = (uint8_t)((s_param_val[i] >> 16) & 0xFF);
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data_buf[i * 4 + 3] = (uint8_t)((s_param_val[i] >> 24) & 0xFF);
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}
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/* 写入EEPROM */
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ret = at24c02_write_buf(EEPROM_MAGIC_ADDR, magic_buf, 2);
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if (ret != AT24C02_OK) {
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return ret;
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}
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ret = at24c02_write_buf(EEPROM_DATA_ADDR, data_buf, PARAM_COUNT * 4);
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if (ret != AT24C02_OK) {
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return ret;
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}
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return AT24C02_OK;
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}
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/*
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* 函数功能：将指定参数立即应用到对应PWM通道
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* 入口参数：idx - 参数索引 (0=PWM1, 1=PWM2, 2=PWM3, 3=PWM4)
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* 返回值：无
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*/
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static void apply_param(uint8_t idx)
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{
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uint32_t duty = (uint32_t)s_param_val[idx];
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static const uint16_t ch_map[4] = {
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TIM_CHANNEL_1, TIM_CHANNEL_2, TIM_CHANNEL_3, TIM_CHANNEL_4
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};
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if (idx < PARAM_COUNT) {
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__HAL_TIM_SET_COMPARE(&htim3, ch_map[idx], duty);
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printf("PWM%d duty=%lu\r\n", idx + 1, (unsigned long)duty);
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}
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}
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/*
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* 函数功能：绘制菜单界面
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* 入口参数：无
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* 返回值：无
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* 函数说明：清空参数区域，重新绘制所有参数行
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*/
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static void draw_menu(void)
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{
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char buf[24];
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uint8_t i;
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uint16_t color;
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/* 绘制标题行 */
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lcd_draw_string(0, 0, "-- PARAM MENU --", COLOR_CYAN, COLOR_BLACK);
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/* 绘制各参数（每行16像素，从y=16开始） */
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for (i = 0; i < PARAM_COUNT; i++) {
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if (i == s_sel) {
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if (s_editing) {
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/* 编辑态：高亮 + 左右尖括号 */
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snprintf(buf, sizeof(buf), ">%s:%ld %s< ",
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s_param_def[i].name,
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(long)s_param_val[i],
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s_param_def[i].unit);
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color = COLOR_YELLOW;
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} else {
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/* 选中态：箭头 + 高亮 */
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snprintf(buf, sizeof(buf), ">%s:%ld %s ",
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s_param_def[i].name,
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(long)s_param_val[i],
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s_param_def[i].unit);
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color = COLOR_WHITE;
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}
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} else {
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/* 未选中：普通显示 */
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snprintf(buf, sizeof(buf), " %s:%ld %s ",
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s_param_def[i].name,
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(long)s_param_val[i],
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s_param_def[i].unit);
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color = COLOR_GRAY;
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}
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/* 填充整行背景以覆盖之前内容 */
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lcd_draw_string(0, 16 + i * 16, buf, color, COLOR_BLACK);
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}
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/* 底部提示 */
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if (s_editing) {
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lcd_draw_string_6x8(0, 140, "KEY5:SAVE ", COLOR_GREEN, COLOR_BLACK);
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} else {
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lcd_draw_string_6x8(0, 140, "K1/K3:Sel K2/K4:Adj", COLOR_GRAY, COLOR_BLACK);
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}
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}
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