diff --git a/board/TencentOS_tiny_EVB_MX_Plus/BSP/Hardware/E53_ST1/E53_ST1.c b/board/TencentOS_tiny_EVB_MX_Plus/BSP/Hardware/E53_ST1/E53_ST1.c
index d63185a6..3cab776e 100644
--- a/board/TencentOS_tiny_EVB_MX_Plus/BSP/Hardware/E53_ST1/E53_ST1.c
+++ b/board/TencentOS_tiny_EVB_MX_Plus/BSP/Hardware/E53_ST1/E53_ST1.c
@@ -19,52 +19,52 @@ TIM_HandleTypeDef htim16;
 /* TIM16 init function */
 void MX_TIM16_Init(void)
 {
-  TIM_OC_InitTypeDef sConfigOC;
-  TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig;
+    TIM_OC_InitTypeDef sConfigOC;
+    TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig;
 
-  htim16.Instance = TIM16;
-  htim16.Init.Prescaler = 79;
-  htim16.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim16.Init.Period = 999;
-  htim16.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
-  htim16.Init.RepetitionCounter = 0;
-  htim16.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
-  if (HAL_TIM_Base_Init(&htim16) != HAL_OK)
-  {
-    Error_Handler();
-  }
+    htim16.Instance = TIM16;
+    htim16.Init.Prescaler = 79;
+    htim16.Init.CounterMode = TIM_COUNTERMODE_UP;
+    htim16.Init.Period = 999;
+    htim16.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+    htim16.Init.RepetitionCounter = 0;
+    htim16.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+    if (HAL_TIM_Base_Init(&htim16) != HAL_OK)
+    {
+        Error_Handler();
+    }
 
-  if (HAL_TIM_PWM_Init(&htim16) != HAL_OK)
-  {
-    Error_Handler();
-  }
+    if (HAL_TIM_PWM_Init(&htim16) != HAL_OK)
+    {
+        Error_Handler();
+    }
 
-  sConfigOC.OCMode = TIM_OCMODE_PWM1;
-  sConfigOC.Pulse = 499;
-  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
-  sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
-  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
-  sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
-  sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
-  if (HAL_TIM_PWM_ConfigChannel(&htim16, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
-  {
-    Error_Handler();
-  }
+    sConfigOC.OCMode = TIM_OCMODE_PWM1;
+    sConfigOC.Pulse = 499;
+    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+    sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
+    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+    sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
+    sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
+    if (HAL_TIM_PWM_ConfigChannel(&htim16, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
+    {
+        Error_Handler();
+    }
 
-  sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
-  sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
-  sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
-  sBreakDeadTimeConfig.DeadTime = 0;
-  sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
-  sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
-  sBreakDeadTimeConfig.BreakFilter = 0;
-  sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
-  if (HAL_TIMEx_ConfigBreakDeadTime(&htim16, &sBreakDeadTimeConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
+    sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
+    sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
+    sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
+    sBreakDeadTimeConfig.DeadTime = 0;
+    sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
+    sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
+    sBreakDeadTimeConfig.BreakFilter = 0;
+    sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
+    if (HAL_TIMEx_ConfigBreakDeadTime(&htim16, &sBreakDeadTimeConfig) != HAL_OK)
+    {
+        Error_Handler();
+    }
 
-  HAL_TIM_MspPostInit(&htim16);
+    HAL_TIM_MspPostInit(&htim16);
 
 }
 /***************************************************************
@@ -76,16 +76,16 @@ void MX_TIM16_Init(void)
 void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
 {
 
-	if(tim_baseHandle->Instance==TIM16)
-  {
-  /* USER CODE BEGIN TIM16_MspInit 0 */
+    if(tim_baseHandle->Instance==TIM16)
+    {
+        /* USER CODE BEGIN TIM16_MspInit 0 */
 
-  /* USER CODE END TIM16_MspInit 0 */
-    /* TIM16 clock enable */
-    __HAL_RCC_TIM16_CLK_ENABLE();
-  /* USER CODE BEGIN TIM16_MspInit 1 */
+        /* USER CODE END TIM16_MspInit 0 */
+        /* TIM16 clock enable */
+        __HAL_RCC_TIM16_CLK_ENABLE();
+        /* USER CODE BEGIN TIM16_MspInit 1 */
 
-  /* USER CODE END TIM16_MspInit 1 */
+        /* USER CODE END TIM16_MspInit 1 */
   }
 }
 
@@ -98,26 +98,25 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
 void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
 {
 
-  GPIO_InitTypeDef GPIO_InitStruct;
-  if(timHandle->Instance==TIM16)
-  {
-  /* USER CODE BEGIN TIM16_MspPostInit 0 */
+    GPIO_InitTypeDef GPIO_InitStruct;
+    if(timHandle->Instance==TIM16)
+    {
+        /* USER CODE BEGIN TIM16_MspPostInit 0 */
 
-  /* USER CODE END TIM16_MspPostInit 0 */
+        /* USER CODE END TIM16_MspPostInit 0 */
   
-    /**TIM16 GPIO Configuration    
-    PB8     ------> TIM16_CH1 
-    */
-    GPIO_InitStruct.Pin = ST1_Beep_Pin;
-    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
-    GPIO_InitStruct.Pull = GPIO_NOPULL;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
-    GPIO_InitStruct.Alternate = GPIO_AF14_TIM16;
-    HAL_GPIO_Init(ST1_Beep_GPIO_Port, &GPIO_InitStruct);
+        /**TIM16 GPIO Configuration    
+            PB8     ------> TIM16_CH1 
+        */
+        GPIO_InitStruct.Pin = ST1_Beep_Pin;
+        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+        GPIO_InitStruct.Pull = GPIO_NOPULL;
+        GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+        GPIO_InitStruct.Alternate = GPIO_AF14_TIM16;
+        HAL_GPIO_Init(ST1_Beep_GPIO_Port, &GPIO_InitStruct);
 
-  /* USER CODE BEGIN TIM16_MspPostInit 1 */
-
-  /* USER CODE END TIM16_MspPostInit 1 */
+        /* USER CODE BEGIN TIM16_MspPostInit 1 */
+        /* USER CODE END TIM16_MspPostInit 1 */
   }
 
 }
@@ -130,20 +129,20 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
 ***************************************************************/
 void Init_Beep(void)
 {
-  GPIO_InitTypeDef GPIO_InitStruct;
+    GPIO_InitTypeDef GPIO_InitStruct;
 
-  /* GPIO Ports Clock Enable */
-  ST1_Beep_GPIO_CLK_ENABLE();
+    /* GPIO Ports Clock Enable */
+    ST1_Beep_GPIO_CLK_ENABLE();
 
-	 /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(ST1_Beep_GPIO_Port, ST1_Beep_Pin, GPIO_PIN_RESET);
+    /*Configure GPIO pin Output Level */
+    HAL_GPIO_WritePin(ST1_Beep_GPIO_Port, ST1_Beep_Pin, GPIO_PIN_RESET);
 	
-	 /*Configure GPIO pin : PtPin */
-  GPIO_InitStruct.Pin = ST1_Beep_Pin;
-  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-  HAL_GPIO_Init(ST1_Beep_GPIO_Port, &GPIO_InitStruct);
+    /*Configure GPIO pin : PtPin */
+    GPIO_InitStruct.Pin = ST1_Beep_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    HAL_GPIO_Init(ST1_Beep_GPIO_Port, &GPIO_InitStruct);
 }
 
 /***************************************************************
@@ -154,20 +153,20 @@ void Init_Beep(void)
 ***************************************************************/
 void Init_LED(void)
 {
-  GPIO_InitTypeDef GPIO_InitStruct;
+    GPIO_InitTypeDef GPIO_InitStruct;
 
-  /* GPIO Ports Clock Enable */
-  ST1_LED_GPIO_CLK_ENABLE();
+    /* GPIO Ports Clock Enable */
+    ST1_LED_GPIO_CLK_ENABLE();
 
-	 /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(ST1_LED_GPIO_Port, ST1_LED_Pin, GPIO_PIN_SET);
+    /*Configure GPIO pin Output Level */
+    HAL_GPIO_WritePin(ST1_LED_GPIO_Port, ST1_LED_Pin, GPIO_PIN_SET);
 	
-	 /*Configure GPIO pin : PtPin */
-  GPIO_InitStruct.Pin = ST1_LED_Pin;
-  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-  HAL_GPIO_Init(ST1_LED_GPIO_Port, &GPIO_InitStruct);
+    /*Configure GPIO pin : PtPin */
+    GPIO_InitStruct.Pin = ST1_LED_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    HAL_GPIO_Init(ST1_LED_GPIO_Port, &GPIO_InitStruct);
 }
 /***************************************************************
 * 函数名称: Init_GPS_POW
@@ -177,20 +176,20 @@ void Init_LED(void)
 ***************************************************************/
 void Init_GPS_POW(void)
 {
-  GPIO_InitTypeDef GPIO_InitStruct;
+    GPIO_InitTypeDef GPIO_InitStruct;
 
-  /* GPIO Ports Clock Enable */
-  ST1_GPS_POW_GPIO_CLK_ENABLE();
+    /* GPIO Ports Clock Enable */
+    ST1_GPS_POW_GPIO_CLK_ENABLE();
 
-	 /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(ST1_GPS_POW_GPIO_Port, ST1_GPS_POW_Pin, GPIO_PIN_RESET);
+    /*Configure GPIO pin Output Level */
+    HAL_GPIO_WritePin(ST1_GPS_POW_GPIO_Port, ST1_GPS_POW_Pin, GPIO_PIN_RESET);
 	
-	 /*Configure GPIO pin : PtPin */
-  GPIO_InitStruct.Pin = ST1_GPS_POW_Pin;
-  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-  GPIO_InitStruct.Pull = GPIO_NOPULL;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
-  HAL_GPIO_Init(ST1_GPS_POW_GPIO_Port, &GPIO_InitStruct);
+    /*Configure GPIO pin : PtPin */
+    GPIO_InitStruct.Pin = ST1_GPS_POW_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    HAL_GPIO_Init(ST1_GPS_POW_GPIO_Port, &GPIO_InitStruct);
 }
 /***************************************************************
 * 函数名称: GPS_Init
@@ -200,10 +199,10 @@ void Init_GPS_POW(void)
 ***************************************************************/
 void GPS_Init(void)
 {
-	MX_USART3_UART_Init();   //初始化串口
-	HAL_UART_Transmit(&huart3, "$CCMSG,GGA,1,0,*19\r\n", 20, 200);
-	HAL_UART_Transmit(&huart3, "$CCMSG,GSA,1,0,*0D\r\n", 20, 200);
-	HAL_UART_Transmit(&huart3, "$CCMSG,GSV,1,0,*1A\r\n", 20, 200);
+    MX_USART3_UART_Init();   //初始化串口
+    HAL_UART_Transmit(&huart3, "$CCMSG,GGA,1,0,*19\r\n", 20, 200);
+    HAL_UART_Transmit(&huart3, "$CCMSG,GSA,1,0,*0D\r\n", 20, 200);
+    HAL_UART_Transmit(&huart3, "$CCMSG,GSV,1,0,*1A\r\n", 20, 200);
 }
 
 /***************************************************************
@@ -214,121 +213,121 @@ void GPS_Init(void)
 ***************************************************************/
 void Init_E53_ST1(void)
 {
-	GPS_Init();
-	Init_Beep();
-	Init_LED();
-	Init_GPS_POW();	
-	MX_TIM16_Init();	
+    GPS_Init();
+    Init_Beep();
+    Init_LED();
+    Init_GPS_POW();	
+    MX_TIM16_Init();	
 }
 
 /***************************************************\
 * 函数名称: NMEA_Comma_Pos
-*	函数功能：从buf里面得到第cx个逗号所在的位置
-*	输入值：
-*	返回值：0~0xFE，代表逗号所在位置的便宜
-*				 	0xFF，代表不存在第cx个逗号
+* 函数功能：从buf里面得到第cx个逗号所在的位置
+* 输入值：
+* 返回值：0~0xFE，代表逗号所在位置偏移
+*         0xFF，代表不存在第cx个逗号
 \***************************************************/
 
 uint8_t NMEA_Comma_Pos(uint8_t *buf,uint8_t cx)
 {
-	uint8_t *p = buf;
-	while(cx)
-	{
-		if(*buf=='*'||*buf<' '||*buf>'z')return 0xFF;
-		if(*buf==',')cx--;
-		buf++;
-	}
-	return buf-p;
+    uint8_t *p = buf;
+    while(cx)
+    {
+        if(*buf=='*'||*buf<' '||*buf>'z')return 0xFF;
+        if(*buf==',')cx--;
+        buf++;
+    }
+    return buf-p;
 }
 /***************************************************\
 * 函数名称: NMEA_Pow
-*	函数功能：返回m的n次方值
-*	输入值：底数m和指数n
-*	返回值：m^n
+* 函数功能：返回m的n次方值
+* 输入值：底数m和指数n
+* 返回值：m^n
 \***************************************************/
 uint32_t NMEA_Pow(uint8_t m,uint8_t n)
 {
-	uint32_t result = 1;
-	while(n--)result *= m;
-	return result;
+    uint32_t result = 1;
+    while(n--)result *= m;
+    return result;
 }
 /***************************************************\
 * 函数名称: NMEA_Str2num
-*	函数功能：str数字转换为（int）数字，以','或者'*'结束
-*	输入值：buf，数字存储区
-*				 	dx，小数点位数，返回给调用函数
-*	返回值：转换后的数值
+* 函数功能：str数字转换为（int）数字，以','或者'*'结束
+* 输入值：buf，数字存储区
+*         dx，小数点位数，返回给调用函数
+* 返回值：转换后的数值
 \***************************************************/
 int NMEA_Str2num(uint8_t *buf,uint8_t*dx)
 {
-	uint8_t *p = buf;
-	uint32_t ires = 0,fres = 0;
-	uint8_t ilen = 0,flen = 0,i;
-	uint8_t mask = 0;
-	int res;
-	while(1)
+    uint8_t *p = buf;
+    uint32_t ires = 0,fres = 0;
+    uint8_t ilen = 0,flen = 0,i;
+    uint8_t mask = 0;
+    int res;
+    while(1)
+    {
+        if(*p=='-'){mask |= 0x02;p++;}//说明有负数
+	if(*p==','||*p=='*')break;//遇到结束符
+	if(*p=='.'){mask |= 0x01;p++;}//遇到小数点
+	else if(*p>'9'||(*p<'0'))//数字不在0和9之内，说明有非法字符
 	{
-		if(*p=='-'){mask |= 0x02;p++;}//说明有负数
-		if(*p==','||*p=='*')break;//遇到结束符
-		if(*p=='.'){mask |= 0x01;p++;}//遇到小数点
-		else if(*p>'9'||(*p<'0'))//数字不在0和9之内，说明有非法字符
-		{
-			ilen = 0;
-			flen = 0;
-			break;
-		}
-		if(mask&0x01)flen++;//小数点的位数
-		else ilen++;//str长度加一
-		p++;//下一个字符
+	    ilen = 0;
+	    flen = 0;
+	    break;
 	}
-	if(mask&0x02)buf++;//移到下一位，除去负号
-	for(i=0;i<ilen;i++)//得到整数部分数据
-	{
-		ires += NMEA_Pow(10,ilen-1-i)*(buf[i]-'0');
-	}
-	if(flen>5)flen=5;//最多取五位小数
-	*dx = flen;
-	for(i=0;i<flen;i++)//得到小数部分数据
-	{
-		fres +=NMEA_Pow(10,flen-1-i)*(buf[ilen+1+i]-'0');
-	}
-	res = ires*NMEA_Pow(10,flen)+fres;
-	if(mask&0x02)res = -res;
-	return res;
+	if(mask&0x01)flen++;//小数点的位数
+	else ilen++;//str长度加一
+	p++;//下一个字符
+    }
+    if(mask&0x02)buf++;//移到下一位，除去负号
+    for(i=0;i<ilen;i++)//得到整数部分数据
+    {
+        ires += NMEA_Pow(10,ilen-1-i)*(buf[i]-'0');
+    }
+    if(flen>5)flen=5;//最多取五位小数
+    *dx = flen;
+    for(i=0;i<flen;i++)//得到小数部分数据
+    {
+        fres +=NMEA_Pow(10,flen-1-i)*(buf[ilen+1+i]-'0');
+    }
+    res = ires*NMEA_Pow(10,flen)+fres;
+    if(mask&0x02)res = -res;
+    return res;
 }
 /***************************************************\
 * 函数名称: NMEA_BDS_GPRMC_Analysis
-*	函数功能：解析GPRMC信息
-*	输入值：gpsx,NMEA信息结构体
-*				 buf：接收到的GPS数据缓冲区首地址
+* 函数功能：解析GPRMC信息
+* 输入值：gpsx,NMEA信息结构体
+* buf：接收到的GPS数据缓冲区首地址
 \***************************************************/
 void NMEA_BDS_GPRMC_Analysis(gps_msg *gpsmsg,uint8_t *buf)
 {
-	uint8_t *p4,dx;			 
-	uint8_t posx;     
-	uint32_t temp;	   
-	float rs;  
-	p4=(uint8_t*)strstr((const char *)buf,"$GPRMC");//"$GPRMC",经常有&和GPRMC分开的情况,故只判断GPRMC.
-	posx=NMEA_Comma_Pos(p4,3);								//得到纬度
-	if(posx!=0XFF)
-	{
-		temp=NMEA_Str2num(p4+posx,&dx);		 	 
-		gpsmsg->latitude_bd=temp/NMEA_Pow(10,dx+2);	//得到°
-		rs=temp%NMEA_Pow(10,dx+2);				//得到'		 
-		gpsmsg->latitude_bd=gpsmsg->latitude_bd*NMEA_Pow(10,5)+(rs*NMEA_Pow(10,5-dx))/60;//转换为° 
-	}
-	posx=NMEA_Comma_Pos(p4,4);								//南纬还是北纬 
-	if(posx!=0XFF)gpsmsg->nshemi_bd=*(p4+posx);					 
- 	posx=NMEA_Comma_Pos(p4,5);								//得到经度
-	if(posx!=0XFF)
-	{												  
-		temp=NMEA_Str2num(p4+posx,&dx);		 	 
-		gpsmsg->longitude_bd=temp/NMEA_Pow(10,dx+2);	//得到°
-		rs=temp%NMEA_Pow(10,dx+2);				//得到'		 
-		gpsmsg->longitude_bd=gpsmsg->longitude_bd*NMEA_Pow(10,5)+(rs*NMEA_Pow(10,5-dx))/60;//转换为° 
-	}
-	posx=NMEA_Comma_Pos(p4,6);								//东经还是西经
-	if(posx!=0XFF)gpsmsg->ewhemi_bd=*(p4+posx);		  
+    uint8_t *p4,dx;			 
+    uint8_t posx;     
+    uint32_t temp;	   
+    float rs;  
+    p4=(uint8_t*)strstr((const char *)buf,"$GPRMC");  //"$GPRMC",经常有&和GPRMC分开的情况,故只判断GPRMC.
+    posx=NMEA_Comma_Pos(p4,3);  //得到纬度
+    if(posx!=0XFF)
+    {
+        temp=NMEA_Str2num(p4+posx,&dx);		 	 
+        gpsmsg->latitude_bd=temp/NMEA_Pow(10,dx+2);   //得到°
+        rs=temp%NMEA_Pow(10,dx+2);                    //得到'		 
+        gpsmsg->latitude_bd=gpsmsg->latitude_bd*NMEA_Pow(10,5)+(rs*NMEA_Pow(10,5-dx))/60;//转换为° 
+    }
+    posx=NMEA_Comma_Pos(p4,4);                        //南纬还是北纬 
+    if(posx!=0XFF)gpsmsg->nshemi_bd=*(p4+posx);					 
+    posx=NMEA_Comma_Pos(p4,5);                        //得到经度
+    if(posx!=0XFF)
+    {												  
+        temp=NMEA_Str2num(p4+posx,&dx);		 	 
+        gpsmsg->longitude_bd=temp/NMEA_Pow(10,dx+2);  //得到°
+        rs=temp%NMEA_Pow(10,dx+2);                    //得到'		 
+        gpsmsg->longitude_bd=gpsmsg->longitude_bd*NMEA_Pow(10,5)+(rs*NMEA_Pow(10,5-dx))/60;  //转换为° 
+    }
+    posx=NMEA_Comma_Pos(p4,6);                        //东经还是西经
+    if(posx!=0XFF)gpsmsg->ewhemi_bd=*(p4+posx);		  
 }
 
 /***************************************************************
@@ -339,39 +338,38 @@ void NMEA_BDS_GPRMC_Analysis(gps_msg *gpsmsg,uint8_t *buf)
 ***************************************************************/
 void E53_ST1_Read_Data(void)
 {	
-	HAL_UART_Receive_IT(&huart3,gps_uart,1000);
-	NMEA_BDS_GPRMC_Analysis(&gpsmsg,(uint8_t*)gps_uart);	//分析字符串
-	E53_ST1_Data.Longitude=(float)((float)gpsmsg.longitude_bd/100000);	
-	E53_ST1_Data.Latitude=(float)((float)gpsmsg.latitude_bd/100000);    
+    HAL_UART_Receive_IT(&huart3,gps_uart,1000);
+    NMEA_BDS_GPRMC_Analysis(&gpsmsg,(uint8_t*)gps_uart);  //分析字符串
+    E53_ST1_Data.Longitude=(float)((float)gpsmsg.longitude_bd/100000);	
+    E53_ST1_Data.Latitude=(float)((float)gpsmsg.latitude_bd/100000);    
 }
 
 /***************************************************************
-* 函数名称: E53SF1_LED_StatusSet
-* 说    明: E53SF1开发板上的LED灯的亮灭控制
+* 函数名称: E53_ST1_LED_StatusSet
+* 说    明: E53 ST1开发板上的LED灯的亮灭控制
 * 参    数: status,LED灯的状态
-*									非1,关灯
-*									1,开灯
+*           非1,关灯
+*           1,开灯
 * 返 回 值: 无
 ***************************************************************/
 void E53_ST1_LED_StatusSet(E53ST1_Status_ENUM status)
 {
-	HAL_GPIO_WritePin(ST1_LED_GPIO_Port, ST1_LED_Pin, status != ST1_ON ? GPIO_PIN_RESET : GPIO_PIN_SET );	
+    HAL_GPIO_WritePin(ST1_LED_GPIO_Port, ST1_LED_Pin, status != ST1_ON ? GPIO_PIN_RESET : GPIO_PIN_SET );	
 }
 
 /***************************************************************
-* 函数名称: E53SF1_BEEP
-* 说    明: E53SF1蜂鸣器报警与否
+* 函数名称: E53_ST1_Beep
+* 说    明: E53 ST1蜂鸣器报警与否
 * 参    数: status,LED_ENUM枚举的数据
-*									LED_OFF,关灯
-*									LED_ON,开灯
+*           LED_OFF,关灯
+*           LED_ON,开灯
 * 返 回 值: 无
 ***************************************************************/
 void E53_ST1_Beep(E53ST1_Status_ENUM status)
 {
-	if(status == ST1_ON)
-		HAL_TIM_PWM_Start(&htim16,TIM_CHANNEL_1);
-	if(status == ST1_OFF)
-		HAL_TIM_PWM_Stop(&htim16,TIM_CHANNEL_1);
+    if(status == ST1_ON)
+        HAL_TIM_PWM_Start(&htim16,TIM_CHANNEL_1);
+    if(status == ST1_OFF)
+        HAL_TIM_PWM_Stop(&htim16,TIM_CHANNEL_1);
 }
 
-