init: DLD154Pro 单线圈蓝牙车检器，从 DLD110SV4 复制初始代码和文档

2026-07-21 10:38:23 +08:00
commit 5f5f697992
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+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : KEY.c
+ * Author             : WCH
+ * Version            : V1.2
+ * Date               : 2022/01/18
+ * Description        :
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/******************************************************************************/
+/* 头文件包含 */
+#include "HAL.h"
+
+/**************************************************************************************************
+ *                                        GLOBAL VARIABLES
+ **************************************************************************************************/
+
+static uint8_t halKeySavedKeys; /* 保留按键最后的状态，用于查询是否有键值变化 */
+
+/**************************************************************************************************
+ *                                        FUNCTIONS - Local
+ **************************************************************************************************/
+static halKeyCBack_t pHalKeyProcessFunction; /* callback function */
+
+/**************************************************************************************************
+ * @fn      HAL_KeyInit
+ *
+ * @brief   Initilize Key Service
+ *
+ * @param   none
+ *
+ * @return  None
+ **************************************************************************************************/
+void HAL_KeyInit(void)
+{
+    /* Initialize previous key to 0 */
+    halKeySavedKeys = 0;
+    /* Initialize callback function */
+    pHalKeyProcessFunction = NULL;
+    KEY1_DIR;
+    KEY1_PU;
+    KEY2_DIR;
+    KEY2_PU;
+}
+
+/**************************************************************************************************
+ * @fn      HalKeyConfig
+ *
+ * @brief   Configure the Key serivce
+ *
+ * @param   cback - pointer to the CallBack function
+ *
+ * @return  None
+ **************************************************************************************************/
+void HalKeyConfig(halKeyCBack_t cback)
+{
+    /* Register the callback fucntion */
+    pHalKeyProcessFunction = cback;
+    tmos_start_task(halTaskID, HAL_KEY_EVENT, HAL_KEY_POLLING_VALUE); /* Kick off polling */
+}
+
+/**************************************************************************************************
+ * @fn      HalKeyRead
+ *
+ * @brief   Read the current value of a key
+ *
+ * @param   None
+ *
+ * @return  keys - current keys status
+ **************************************************************************************************/
+uint8_t HalKeyRead(void)
+{
+    uint8_t keys = 0;
+
+    if(HAL_PUSH_BUTTON1())
+    { //读按键1
+        keys |= HAL_KEY_SW_1;
+    }
+    if(HAL_PUSH_BUTTON2())
+    { //读按键1
+        keys |= HAL_KEY_SW_2;
+    }
+    if(HAL_PUSH_BUTTON3())
+    { //读按键1
+        keys |= HAL_KEY_SW_3;
+    }
+    if(HAL_PUSH_BUTTON4())
+    { //读按键1
+        keys |= HAL_KEY_SW_4;
+    }
+    return keys;
+}
+
+/**************************************************************************************************
+ * @fn      HAL_KeyPoll
+ *
+ * @brief   Called by hal_driver to poll the keys
+ *
+ * @param   None
+ *
+ * @return  None
+ **************************************************************************************************/
+void HAL_KeyPoll(void)
+{
+    uint8_t keys = 0;
+    if(HAL_PUSH_BUTTON1())
+    {
+        keys |= HAL_KEY_SW_1;
+    }
+    if(HAL_PUSH_BUTTON2())
+    {
+        keys |= HAL_KEY_SW_2;
+    }
+    if(HAL_PUSH_BUTTON3())
+    {
+        keys |= HAL_KEY_SW_3;
+    }
+    if(HAL_PUSH_BUTTON4())
+    {
+        keys |= HAL_KEY_SW_4;
+    }
+    if(keys == halKeySavedKeys)
+    { /* Exit - since no keys have changed */
+        return;
+    }
+    halKeySavedKeys = keys; /* Store the current keys for comparation next time */
+    /* Invoke Callback if new keys were depressed */
+    if(keys && (pHalKeyProcessFunction))
+    {
+        (pHalKeyProcessFunction)(keys);
+    }
+}
+
+/******************************** endfile @ key ******************************/