[update] 增加STM32智慧宿舍基础代码

firmware/stm32/smart_dormitory/User/key_scan/key_scan.c

@@ -0,0 +1,124 @@
+/****************************************Copyright (c)****************************************************
+**     
+** File name:               humi.c
+** Created by:              XiaoYi
+** Created date:            2020-10-16
+** Version:                 v1.0
+** Descriptions:            The original 
+** Link address:            https://blog.csdn.net/weixin_45006076
+**
+*********************************************************************************************************/
+
+#include "key_scan.h"
+#include "multi_button.h"
+#include "tim.h"
+#include "gpio.h"
+
+struct Button key1_mode;
+struct Button key2_mode;
+struct Button key3_mode;
+
+uint8_t btn1_event_val;
+uint8_t btn2_event_val;
+uint8_t btn3_event_val;
+
+key_status_t key_status = { 0x00 };
+
+/*******************************************************************************
+ * @brief ģʽ<C4A3><CABD><EFBFBD><EFBFBD>
+ *
+ * @retval PIN's status
+*******************************************************************************/
+uint8_t read_key1_mode_pin()
+{
+	return HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_4);
+}
+
+uint8_t read_key2_mode_pin()
+{
+	return HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_3);
+}
+
+uint8_t read_key3_mode_pin()
+{
+	return HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0);
+}
+
+void key1_short_presssed_cb(void *param)
+{
+	key_status.enable = 1;
+	key_status.key = KEY1;
+	key_status.type = KEY_SHORT_PRESS;
+	
+	printf("key1_short_pressed\r\n");
+}
+
+void key1_long_presssed_cb(void *param)
+{
+//	key_status.enable = 1;
+//	key_status.key = KEY1;
+//	key_status.type = KEY_LONG_PRESS;
+	printf("key1_long_pressed\r\n");
+	key_status.enable = 1;
+	key_status.key = KEY1;
+	key_status.type = KEY_LONG_PRESS;
+}
+
+void key2_short_presssed_cb(void *param)
+{
+	key_status.enable = 1;
+	key_status.key = KEY2;
+	key_status.type = KEY_SHORT_PRESS;
+	printf("key2_short_pressed\r\n");
+}
+void key3_short_presssed_cb(void *param)
+{
+	key_status.enable = 1;
+	key_status.key = KEY3;
+	key_status.type = KEY_SHORT_PRESS;
+	printf("key3_short_pressed\r\n");
+}
+
+/*******************************************************************************
+* @brief  : key_scan
+* Description    : scan key's status
+* Input          : None
+* Output         : None
+* Return         : Return the clicked button
+* Attention		 : None
+*******************************************************************************/
+void key_init(void)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+	/*Configure GPIO pins : PB3 PB4 */
+  GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4;
+  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+	
+	//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	button_init(&key1_mode, read_key1_mode_pin, 0);
+	button_attach(&key1_mode, SINGLE_CLICK, key1_short_presssed_cb);
+	button_attach(&key1_mode, LONG_PRESS_START, key1_long_presssed_cb);
+	button_start(&key1_mode);
+	
+	button_init(&key2_mode, read_key2_mode_pin, 0);
+	button_attach(&key2_mode, PRESS_UP, key2_short_presssed_cb);
+	button_start(&key2_mode);
+	
+	button_init(&key3_mode, read_key3_mode_pin, 0);
+	button_attach(&key3_mode, PRESS_UP, key3_short_presssed_cb);
+	button_start(&key3_mode);
+}
+
+/**
+ * @brief T = 5ms
+ *
+ */
+void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef* tim_baseHandle)
+{
+    if(tim_baseHandle->Instance == htim2.Instance)
+		{
+			button_ticks();
+		}
+}

firmware/stm32/smart_dormitory/User/key_scan/key_scan.h

@@ -0,0 +1,30 @@
+#ifndef __KEY_SCAN_H
+#define __KEY_SCAN_H
+
+#include "main.h"
+
+#define KEY1    0x40
+#define KEY2    0x41
+#define KEY3    0x42
+
+typedef enum{
+	KEY_NONE_PRESS,
+	KEY_SHORT_PRESS,
+	KEY_LONG_PRESS,
+}key_event_e;
+
+typedef struct
+{
+	int enable;  // ʹ<>ܣ<EFBFBD><DCA3>жϰ<D0B6><CFB0><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
+	int key;     // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+	int type;    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD>key_event_e<5F>ж<EFBFBD><D0B6><EFBFBD>
+}key_status_t; 
+extern key_status_t key_status;
+
+
+void key_init(void);
+
+int key_scan(void);
+
+#endif
+