hpw422移植新的sdk

2026-07-03 18:08:25 +08:00
commit 945a5a5b0b
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+/*!
+ * \file      key.c
+ *
+ * \brief     Target key implementation
+ *
+ * \copyright Revised BSD License, see section \ref LICENSE.
+ *
+ * \code
+ *
+ *            _  __ _       ________    _     
+ *           | |/ /(_)___  / ____/ /_  (_)___ 
+ *           |   // / __ \/ /   / __ \/ / __ \
+ *          /   |/ / / / / /___/ / / / / /_/ /
+ *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/ 
+ *                                   /_/      
+ *           (C) 2022-2025 XinChip
+ *
+ * \endcode
+ *
+ * \author     ( XinChip ) Alex-J
+ *
+ * \author     ( XinChip )
+ */
+
+/*-----------------------------------------------------------------------------------
+	                               INCLUDE HEADE FILES
+ ------------------------------------------------------------------------------------*/
+#include "xc_drv_gpio.h"
+#include "xc6xxx.h"
+#include "key.h"
+#include "message.h"
+
+
+/*------------------------------------------------------------------------------------
+	                                    Macros
+ -------------------------------------------------------------------------------------*/
+#define IS_KEY_DOWN(n)				(!(xc_gpio_read_pin(n)))
+
+#define KEY_GPIO					GPIO_13
+
+
+/*------------------------------------------------------------------------------------
+	                                 Global Variables
+ -------------------------------------------------------------------------------------*/
+static uint16_t last_key_val = NO_KEY;
+static uint16_t key_down_count = 0;
+static uint16_t key_up_count = 0;
+
+/*------------------------------------------------------------------------------------
+	                                  Func Prototype
+ -------------------------------------------------------------------------------------*/
+ 
+/*------------------------------------------------------------------------------------
+	                                    Functions
+ -------------------------------------------------------------------------------------*/
+ 
+ /**
+ * @brief       app_key_hold_detection
+ * @details     
+ * @param       curren_key_val 
+ * @retval      key_num 	
+ */
+__RAM_CODE uint16_t app_key_hold_detection(uint16_t curren_key_val)
+{
+	uint16_t key_num = NO_KEY;
+ 
+	if (key_down_count < 0xff)
+		key_down_count++;
+	
+	if (key_down_count == KEY_DOWN_TIMER)
+	{
+		key_num = (curren_key_val | KEY_SHORT_DOWN);		//  shor key
+	}
+	else if(key_down_count == KEY_LONG_TIMER)
+	{
+		key_num = (curren_key_val | KEY_LONG_DOWN);		//  loog key 
+	}
+	key_up_count = 0;
+	
+	return key_num;
+}
+ 
+ 
+ /**
+ * @brief       app_new_key_detection
+ * @details     key up or new key  detection
+ * @param       curren_key_val 
+ * @retval      key_num 	
+ */
+__RAM_CODE uint16_t app_new_key_detection(uint16_t curren_key_val)
+ {
+		uint16_t key_num = NO_KEY;
+	 
+		key_up_count++;
+		if (key_up_count >= KEY_UP_TIMER)
+		{
+			if (key_down_count >= KEY_LONG_TIMER)
+			{
+				key_num = (last_key_val | KEY_LONG_UP);	//  long key up
+				last_key_val = 0;
+			}
+			else if (key_down_count >= KEY_DOWN_TIMER  && key_down_count < KEY_LONG_TIMER)
+			{
+				key_num = (last_key_val | KEY_SHORT_UP);	//  shor key up
+				last_key_val = 0;
+			}
+			key_down_count = 0;
+			key_up_count = 0;
+		}
+		if ((curren_key_val &&  curren_key_val != last_key_val))
+		{
+			if (key_down_count >= KEY_LONG_TIMER)
+			{
+				key_num = (last_key_val | KEY_LONG_UP);	//  long key up
+			}
+			else if (key_down_count >= KEY_DOWN_TIMER  && key_down_count < KEY_LONG_TIMER)
+			{
+				key_num = (last_key_val | KEY_SHORT_UP);	//  shor key up
+			}
+			last_key_val = curren_key_val;
+			key_down_count = 0;
+			key_up_count = 0;
+		}
+		
+		return key_num;
+ }
+ 
+ 
+/**
+ * @brief       key_check_process
+ * @details     
+ * @param       curren_key_val 
+ * @retval      key_num 	
+ */
+__RAM_CODE  uint16_t key_check_process(uint16_t curren_key_val)
+{
+	uint16_t key_num = NO_KEY;
+	
+	if ( curren_key_val == last_key_val  && last_key_val  != NO_KEY )
+	{
+		key_num = app_key_hold_detection(curren_key_val);
+	}
+	else
+	{
+		key_num = app_new_key_detection(curren_key_val);
+	}
+	
+	return key_num;
+}
+
+
+/**
+ * @brief       gpio_key_check
+ * @details     
+ * @param       void 
+ * @retval      key_num 	
+ */
+uint16_t gpio_key_check(void)
+{
+	uint16_t key_val = NO_KEY;
+	
+	if ( IS_KEY_DOWN(KEY_GPIO) )
+	{
+		key_val = REC_KEY;
+	}
+
+	return key_val;
+}
+
+
+
+/**
+ * @brief       key_check_process
+ * @details     key scan and send 
+ * @param       void 
+ * @retval      void 	
+ */
+void app_key_scan(void)
+{
+	uint16_t key_num = NO_KEY;
+	uint16_t key_val = NO_KEY;
+	
+	key_val = gpio_key_check();
+	key_num = key_check_process(key_val);
+	
+	if (key_num != NO_KEY)
+	{
+		app_key_message_send( key_num );
+	}
+}
+
+
+/**
+ * @brief       app_key_init
+ * @details     key init 
+ * @param       void 
+ * @retval      void 	
+ */
+void app_key_init(void)
+{
+    GPIO_InitCfg_t GPIO_InitCfg = {0};
+
+    GPIO_InitCfg.Mux              = GPIO_Mux1;
+    GPIO_InitCfg.FunSel           = GPIO_Dx;
+    GPIO_InitCfg.Pull             = GPIO_PULLUP;
+    GPIO_InitCfg.Dir              = GPIO_DIR_INPUT;
+    GPIO_InitCfg.Int              = NOT_INT;
+    GPIO_InitCfg.Pin              = KEY_GPIO;
+
+    xc_gpio_init(&GPIO_InitCfg);
+}
+