193 lines
5.4 KiB
C
193 lines
5.4 KiB
C
/*
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* 模块名称：按键驱动适配层
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* 模块功能：提供MultiButton库与STM32 HAL库的适配接口
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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：2026-07-13
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* 修改记录：
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* 2026-07-13 王建锋 创建初始版本
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*/
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#include "button_driver.h"
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#include "main.h"
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#include <stdio.h>
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/* 按键句柄数组 */
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static Button s_button_handles[BUTTON_ID_MAX];
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/* 按键GPIO端口和引脚映射表 */
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typedef struct {
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GPIO_TypeDef* port; /* GPIO端口 */
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uint16_t pin; /* GPIO引脚 */
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} ButtonGpio_t;
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static const ButtonGpio_t s_button_gpio[BUTTON_ID_MAX] = {
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{KEY1_GPIO_Port, KEY1_Pin}, /* KEY1: PB4 左上*/
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{KEY2_GPIO_Port, KEY2_Pin}, /* KEY2: PB5 右上*/
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{KEY3_GPIO_Port, KEY3_Pin}, /* KEY3: PB3 右下*/
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{KEY4_GPIO_Port, KEY4_Pin}, /* KEY4: PC14 左下*/
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{KEY5_GPIO_Port, KEY5_Pin}, /* KEY5: PC15 中间*/
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};
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/*
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* 函数功能：获取指定按键的电平状态
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* 入口参数：button_id - 按键标识符
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* 返回值：GPIO电平值 (0或1)
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* 函数说明：根据按键ID读取对应GPIO引脚的电平
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*/
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uint8_t button_driver_read_level(uint8_t button_id)
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{
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if (button_id >= BUTTON_ID_MAX) {
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return 0;
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}
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return HAL_GPIO_ReadPin(s_button_gpio[button_id].port, s_button_gpio[button_id].pin);
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}
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/*
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* 函数功能：KEY1按键回调函数
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* 入口参数：handle - 按键句柄
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* user_data - 用户数据指针
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* 返回值：无
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* 函数说明：KEY1按下时翻转LED
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*/
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static void button_key1_callback(Button* handle, void* user_data)
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{
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(void)handle;
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(void)user_data;
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printf("KEY1\n");
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}
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/*
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* 函数功能：KEY2单击回调函数
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* 入口参数：handle - 按键句柄
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* user_data - 用户数据指针
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* 返回值：无
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* 函数说明：KEY2单击时点亮LED
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*/
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static void button_key2_single_click(Button* handle, void* user_data)
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{
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(void)handle;
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(void)user_data;
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printf("KEY2\n");
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}
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/*
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* 函数功能：KEY3单击回调函数
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* 入口参数：handle - 按键句柄
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* user_data - 用户数据指针
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* 返回值：无
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* 函数说明：KEY3单击事件处理
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*/
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static void button_key3_single_click(Button* handle, void* user_data)
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{
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(void)handle;
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(void)user_data;
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printf("KEY3: \n");
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}
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/*
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* 函数功能：KEY4单击回调函数
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* 入口参数：handle - 按键句柄
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* user_data - 用户数据指针
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* 返回值：无
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* 函数说明：KEY4单击事件处理
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*/
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static void button_key4_single_click(Button* handle, void* user_data)
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{
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(void)handle;
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(void)user_data;
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printf("KEY4\n");
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}
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/*
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* 函数功能：KEY5单击回调函数
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* 入口参数：handle - 按键句柄
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* user_data - 用户数据指针
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* 返回值：无
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* 函数说明：KEY5单击事件处理
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*/
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static void button_key5_single_click(Button* handle, void* user_data)
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{
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(void)handle;
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(void)user_data;
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printf("KEY5\n");
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}
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/*
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* 函数功能：按键驱动初始化
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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：初始化所有按键对象，注册回调函数，启动按键轮询
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*/
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void button_driver_init(void)
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{
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/* 初始化KEY1 */
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button_init(&s_button_handles[BUTTON_ID_KEY1],
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button_driver_read_level,
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BUTTON_ACTIVE_LEVEL_LOW,
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BUTTON_ID_KEY1);
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button_attach(&s_button_handles[BUTTON_ID_KEY1],
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BTN_SINGLE_CLICK,
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button_key1_callback,
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NULL);
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button_start(&s_button_handles[BUTTON_ID_KEY1]);
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/* 初始化KEY2 */
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button_init(&s_button_handles[BUTTON_ID_KEY2],
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button_driver_read_level,
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BUTTON_ACTIVE_LEVEL_LOW,
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BUTTON_ID_KEY2);
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button_attach(&s_button_handles[BUTTON_ID_KEY2],
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BTN_SINGLE_CLICK,
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button_key2_single_click,
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NULL);
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button_start(&s_button_handles[BUTTON_ID_KEY2]);
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/* 初始化KEY3 */
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button_init(&s_button_handles[BUTTON_ID_KEY3],
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button_driver_read_level,
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BUTTON_ACTIVE_LEVEL_LOW,
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BUTTON_ID_KEY3);
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button_attach(&s_button_handles[BUTTON_ID_KEY3],
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BTN_SINGLE_CLICK,
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button_key3_single_click,
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NULL);
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button_start(&s_button_handles[BUTTON_ID_KEY3]);
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/* 初始化KEY4 */
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button_init(&s_button_handles[BUTTON_ID_KEY4],
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button_driver_read_level,
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BUTTON_ACTIVE_LEVEL_LOW,
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BUTTON_ID_KEY4);
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button_attach(&s_button_handles[BUTTON_ID_KEY4],
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BTN_SINGLE_CLICK,
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button_key4_single_click,
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NULL);
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button_start(&s_button_handles[BUTTON_ID_KEY4]);
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/* 初始化KEY5 */
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button_init(&s_button_handles[BUTTON_ID_KEY5],
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button_driver_read_level,
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BUTTON_ACTIVE_LEVEL_LOW,
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BUTTON_ID_KEY5);
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button_attach(&s_button_handles[BUTTON_ID_KEY5],
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BTN_SINGLE_CLICK,
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button_key5_single_click,
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NULL);
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button_start(&s_button_handles[BUTTON_ID_KEY5]);
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}
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/*
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* 函数功能：获取指定按键的事件
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* 入口参数：button_id - 按键标识符
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* 返回值：按键事件
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* 函数说明：返回指定按键的当前事件
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*/
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ButtonEvent button_driver_get_event(uint8_t button_id)
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{
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if (button_id >= BUTTON_ID_MAX) {
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return BTN_NONE_PRESS;
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}
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return button_get_event(&s_button_handles[button_id]);
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}
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