feat: first commit

bootloader/BSP/KEY/key.c

@@ -0,0 +1,45 @@
+#include "key.h"
+#include "delay.h"
+
+void Key_Port_Init(void)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+
+  /* GPIO Ports Clock Enable */
+  __HAL_RCC_GPIOA_CLK_ENABLE();
+
+  /*Configure GPIO pin : PA5 */
+  GPIO_InitStruct.Pin = KEY1_PIN;
+  GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
+  GPIO_InitStruct.Pull = GPIO_PULLUP;
+  HAL_GPIO_Init(KEY1_PORT, &GPIO_InitStruct);
+
+	/*Configure GPIO pin : PA4 */
+  GPIO_InitStruct.Pin = GPIO_PIN_4;
+  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+	
+}
+
+uint8_t KeyScan(uint8_t mode)
+{
+	static uint8_t key_up = 1;
+	uint8_t keyvalue=0;
+	if(mode) key_up = 1;
+	if( key_up && ((!KEY1) || KEY2))
+	{
+		delay_ms(3);//ensure the key is down
+		if(!KEY1) keyvalue = 1;
+		else if(KEY2) keyvalue = 2;
+		if(keyvalue) key_up = 0;
+	}
+	else
+	{
+		delay_ms(3);//ensure the key is up
+		if(KEY1 && (!KEY2))
+			key_up = 1;
+	}
+	return keyvalue;
+}
+

bootloader/BSP/KEY/key.h

@@ -0,0 +1,30 @@
+#ifndef __KEY_H__
+#define __KEY_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "main.h"
+
+//KEY1
+#define KEY1_PORT	GPIOA
+#define KEY1_PIN	GPIO_PIN_5
+#define KEY1 HAL_GPIO_ReadPin(KEY1_PORT,KEY1_PIN)
+//KEY_Wake
+#define KEY2_PORT	GPIOA
+#define KEY2_PIN	GPIO_PIN_4
+#define KEY2 HAL_GPIO_ReadPin(KEY2_PORT,KEY2_PIN)
+	
+void Key_Port_Init(void);
+void Key_Interrupt_Callback(void);
+uint8_t KeyScan(uint8_t mode);
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+