0201_APP/BSP/Uart.c

#include "includes.h"
#include "Uart.h"
#include "BSP.h"
uint8_t UART3_RCV_PROT_BUF[UART_RCV_PROCBUF_LEN];//串口3接收原始数据
uint16_t uart3_prot_index = 0;
uart_info 	g_uart_info[UART_MAX];
uart_config_struct g_uart_cfg[] = {
#ifdef GAS_STATION
		{GPIOA, GPIO_Pin_10,GPIOA, GPIO_Pin_9,  0, 						USART1_IRQn, USART1, RCC_APB2Periph_USART1, RCC_APB2Periph_GPIOA},
		{GPIOA, GPIO_Pin_3, GPIOA, GPIO_Pin_2,  0, 						USART2_IRQn, USART2, RCC_APB1Periph_USART2, RCC_APB2Periph_GPIOA},
		{GPIOD, GPIO_Pin_9, GPIOD, GPIO_Pin_8,  GPIO_FullRemap_USART3, 	USART3_IRQn, USART3, RCC_APB1Periph_USART3, RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO},
		{GPIOC, GPIO_Pin_11,GPIOC, GPIO_Pin_10, 0, 						UART4_IRQn,  UART4,  RCC_APB1Periph_UART4,  RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO},
		{GPIOD, GPIO_Pin_2, GPIOC, GPIO_Pin_12, 0, 						UART5_IRQn,  UART5,  RCC_APB1Periph_UART5,  RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO},
#else
	#ifdef MSTS_C
		{GPIOB, GPIO_Pin_7, GPIOB, GPIO_Pin_6,  GPIO_Remap_USART1, 		USART1_IRQn, USART1, RCC_APB2Periph_USART1, RCC_APB2Periph_GPIOB|RCC_APB2Periph_AFIO},
		{GPIOA, GPIO_Pin_3, GPIOA, GPIO_Pin_2,  0, 						USART2_IRQn, USART2, RCC_APB1Periph_USART2, RCC_APB2Periph_GPIOA},//不可以和me3616链接
		{GPIOD, GPIO_Pin_9, GPIOD, GPIO_Pin_8,  GPIO_FullRemap_USART3, 	USART3_IRQn, USART3, RCC_APB1Periph_USART3, RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO},
		{GPIOC, GPIO_Pin_11,GPIOC, GPIO_Pin_10, 0, 						UART4_IRQn,  UART4,  RCC_APB1Periph_UART4, RCC_APB2Periph_GPIOC},
		{GPIOD, GPIO_Pin_2, GPIOC, GPIO_Pin_12, 0, 						UART5_IRQn,  UART5,  RCC_APB1Periph_UART5, RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD},
	#else
		{GPIOA, GPIO_Pin_10,GPIOA, GPIO_Pin_9,  0, USART1_IRQn, USART1, RCC_APB2Periph_USART1, RCC_APB2Periph_GPIOA},
		{GPIOA, GPIO_Pin_3, GPIOA, GPIO_Pin_2,  0, USART2_IRQn, USART2, RCC_APB1Periph_USART2, RCC_APB2Periph_GPIOA},
		{GPIOB, GPIO_Pin_11,GPIOB, GPIO_Pin_10, 0, USART3_IRQn, USART3, RCC_APB1Periph_USART3, RCC_APB2Periph_GPIOB},
		{GPIOC, GPIO_Pin_11,GPIOC, GPIO_Pin_10, 0, UART4_IRQn,  UART4,  RCC_APB1Periph_UART4,  RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO},
		{GPIOD, GPIO_Pin_2, GPIOC, GPIO_Pin_12, 0, UART5_IRQn,  UART5,  RCC_APB1Periph_UART5,  RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO},
	#endif
#endif
	};

int uart_msg_send(u8 uartid, const char *buf, u32 buflen);

int fputc(int ch, FILE *f) 
{      
	uint16_t temp=1000;
	USART_TypeDef * uart_def = g_uart_cfg[UART_DEBUG].uart_def;
	
	if(g_ptTest.bTestStart == PT_OFF) //PT状态关闭
	{
		while((temp>0)&((uart_def->SR&0X40)==0))
		{
			temp--;
		};//循环发送,直到发送完毕   
		//while((USART2->SR & USART_FLAG_TXE) == RESET);
	
		uart_def->DR = (u8) ch;
		while((USART_GetFlagStatus(uart_def, USART_FLAG_TXE)!=SET)){}
	}
	return ch;
}

void data_dump(const char *name, uint8_t *data, uint16_t length)
{
	int index = 0;

	printf("%s Data Info: \r\n    ", name);

	for(index = 0;index < length;index++) {
		if((index%4 == 0)&&index) {
			if((index%16 == 0)&&index) {
				printf("\r\n    ");
			} else {
				printf(" ");
			}
		}
		printf("%02x ", *(data + index));
	}
	printf("\r\n");
}

void uart_init(u8 uartid, u32 baud, u16 wordlen, u16 parity)
{
	uart_config_struct *p_uart = NULL;
    //GPIO端口设置
    GPIO_InitTypeDef GPIO_InitStructure;
    USART_InitTypeDef USART_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
	USART_TypeDef * USARTx = NULL;
	
	p_uart = &g_uart_cfg[uartid];
	USARTx = (USART_TypeDef *)p_uart->uart_def;
	
    RCC_APB2PeriphClockCmd(p_uart->gpio_clk, ENABLE);
	if(USARTx == USART1) {
		RCC_APB2PeriphClockCmd(p_uart->uart_clk, ENABLE);
	} else {
		RCC_APB1PeriphClockCmd(p_uart->uart_clk, ENABLE);
	}
    //USART1_TX   GPIOA.9初始化
    GPIO_InitStructure.GPIO_Pin = p_uart->tx_pin;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;	//复用推挽输出
    GPIO_Init((GPIO_TypeDef* )p_uart->tx_port, &GPIO_InitStructure);//初始化GPIOA.9

    //USART1_RX	  GPIOA.10初始化
    GPIO_InitStructure.GPIO_Pin = p_uart->rx_pin;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//浮空输入
    GPIO_Init((GPIO_TypeDef* )p_uart->rx_port, &GPIO_InitStructure);//初始化GPIOA.10

	if(p_uart->remap) {
		GPIO_PinRemapConfig(p_uart->remap, ENABLE);
	}
    //Usart1 NVIC 配置
//    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); 
    NVIC_InitStructure.NVIC_IRQChannel = p_uart->irq_no;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//抢占优先级3
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = uartid;		//子优先级3
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;			//IRQ通道使能
    NVIC_Init(&NVIC_InitStructure);	//根据指定的参数初始化VIC寄存器

    //USART 初始化设置
    USART_InitStructure.USART_BaudRate = baud;//串口波特率
    USART_InitStructure.USART_WordLength = wordlen;//字长为8位数据格式
    USART_InitStructure.USART_StopBits = USART_StopBits_1;//一个停止位
    USART_InitStructure.USART_Parity = parity;//无奇偶校验位
    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//无硬件数据流控制
    USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;	//收发模式

    USART_Init(USARTx, &USART_InitStructure); //初始化串口1
    USART_ITConfig(USARTx, USART_IT_RXNE, ENABLE);//开启串口接受中断
//    USART_ITConfig(USARTx, USART_IT_TC, ENABLE);//开启串口发送完成中断
//    USART_ITConfig(USARTx, USART_IT_TXE, ENABLE);  
//    USART_ITConfig(USARTx, USART_IT_IDLE, ENABLE);//开启串口空闲中断
    USART_Cmd(USARTx, ENABLE);                    //使能串口1
}

/****************************************************************************
* --uart_interrupt() UART0中断服务程序。
* Input:
*	uid --串口编号
*	pinfo --串口信息处理结构指针
*Output:
*	None
*Return:
*	None
*/
int rs485_rcv_flag = 0;
void uart_interrupt(u8 uartid) 
{
	u16 index = 0;
	u8 val =0;
	uart_info *pinfo = NULL;
	uart_config_struct *p_uart = NULL;
	USART_TypeDef * USARTx = NULL;
    CPU_SR_ALLOC();
	
	pinfo = &g_uart_info[uartid];
	p_uart = &g_uart_cfg[uartid];
	USARTx = (USART_TypeDef *)p_uart->uart_def;
	
    OSIntEnter();

    OS_CRITICAL_ENTER();                         /* Tell uC/OS-II that we are starting an ISR          */
//    OSIntNestingCtr++;

	if(USART_GetITStatus(USARTx, USART_IT_RXNE) != RESET)
	{/*有新数据需要接收,不管缓存区是否溢出，数据必须读出*/
		val = USART_ReceiveData(USARTx);			/*接收新数据,同时清除中断挂起*/
		USART_ClearFlag(USARTx, USART_IT_RXNE);
		USART_ClearITPendingBit(USARTx, USART_IT_RXNE);
		if(!pinfo->rinfo.flag.bufof)
		{/*如果接收缓冲没有溢出*/
			index = pinfo->rinfo.rtbuf.pinput;
			pinfo->rinfo.rtbuf.buf[index] = val;
			index = (index+1)%UART_RCV_TEMPBUF_LEN;/*以datalen为模加index*/
			if(index == pinfo->rinfo.rtbuf.poutput)
			{/*接收的速度大于处理的速度了*/
				pinfo->rinfo.flag.bufof = ENABLE;/*溢出了*/
			}
			else
			{
				pinfo->rinfo.rtbuf.pinput = index;/*更新输入指针长度*/
			}
		}
 	} 
#if 0
	if(USART_GetITStatus(USARTx, USART_IT_TXE) != RESET) {/*数据发送完成，可以发送新数据*/		
		if(pinfo->sinfo.poutput != pinfo->sinfo.pinput)
		{/*如果有数据需要发送*/
			index = pinfo->sinfo.poutput;
			USART_SendData(USARTx, pinfo->sinfo.pdata[index]);/*新数据写入发送缓冲*/
			pinfo->sinfo.poutput = (index+1)%pinfo->sinfo.datalen;/*以datalen为模加index*/
			
		} else {/*没有数据需要发送*/
			USART_ITConfig(USARTx, USART_IT_TXE, DISABLE);
			pinfo->sinfo.sending = FALSE;
			
		}
	} 
#endif
    OS_CRITICAL_EXIT();
    OSIntExit();

	return;
}


/******************************************************************************************
*uart_rs232_init		--串口初始化函数
*--
*Input:
*	prt		--协议类型
*	rcv 		--信息接收函数
*Output:
*	无
*Return:
*	OK/ERROR	表示执行成功与否
*
*/
int uart_rs232_init(u8 uartid, uart_rcv_func rcv)
{
	uart_info *pinfo = NULL;
	uart_config_struct *p_uart = NULL;

	pinfo = &g_uart_info[uartid];
	p_uart = &g_uart_cfg[uartid];
	/*清数据结构*/
	memset(pinfo, 0, sizeof(uart_info));

	/*记录接收报文处理函数*/
	pinfo->rinfo.rproc.rcv = rcv;
	
/*lint -save -e611*/
	pinfo->uartid = uartid;
	pinfo->arg = (void *)p_uart->uart_def;
/*lint -restore*/

	/*接收和发送指针执行相应的缓冲区*/
	//pinfo->rinfo.rproc.pdata = p_rx_data;
	pinfo->rinfo.rproc.datalen = 1024;
	//pinfo->sinfo.pdata = p_tx_data;
//	pinfo->sinfo.datalen = 1024;

	//trace_otp_trace1(uart_msg_send, uartid, "My Friends, Uart%d!!!\n", uartid+1);

	return 0;
}

//u8 uart_msg_send_disable(u8 uartid)
//{
//	uart_info *pinfo = NULL;

//	pinfo = &g_uart_info[uartid];
//	return (pinfo->sinfo.poutput != pinfo->sinfo.pinput);
//}


/**********************************************************/
USART_TypeDef* uart_choice(uint8_t uartid)
{
	USART_TypeDef *USARTx;
	switch(uartid)
	{
		case UART1_ID:
			USARTx = USART1;
		break;
		case UART2_ID:
			USARTx = USART2;
		break;
		case UART3_ID:
			USARTx = USART3;
		break;
		case UART4_ID:
			USARTx = UART4;
		break;
		case UART5_ID:
			USARTx = UART5;
		break;
		default:
			break;
	}
	
	return USARTx;
}
/**********************************************************/
/*******************************************************************************
*uart1_msg_send 发送报文处理
*Input:
*	buf		--需要发送的数据指针
*	buflen	--发送的数据长度
*Output:
*	None	
*Return:
*	OK/ERROR，表示执行成功和失败
*/
int uart_msg_send(u8 uartid, const char *buf, u32 buflen)
{
	#if 1
	uint32_t t = 0;
	USART_TypeDef* USARTx;
	
	if(uartid > UART5_ID)
		return -1;
	if (uartid == UART_485)
        RS485_TX();
	USARTx = uart_choice(uartid);
	while(buflen--)
	{
		USARTx->DR = (*buf & (uint16_t)0x01FF);
		t = 5000;
		while((t--)&&(USART_GetFlagStatus(USARTx, USART_FLAG_TXE)!=SET)){}
		buf++;
	}
	if (uartid == UART_485)
    {
        delay_us(120);//极限为210us，大于210us数据接收不完整。
        RS485_RX();
    }
	#endif
	
	#if 0
	u16 i = 0, index = 0;
	USART_TypeDef* USARTx;
	uart_info *pinfo = NULL;
	uart_config_struct *p_uart = NULL;
	OS_ERR err;
	
    CPU_SR_ALLOC();

	pinfo = &g_uart_info[uartid];
	p_uart = &g_uart_cfg[uartid];	
	if(pinfo == NULL) {
		return -1;
	}
	USARTx = (USART_TypeDef *)p_uart->uart_def;

    OS_CRITICAL_ENTER();                         /* Tell uC/OS-II that we are starting an ISR          */

	/*取缓冲区输入指针*/
	index = pinfo->sinfo.pinput;
	
	/*依次将需要发送的数据放入发送缓冲区*/
	for(i=0; i<buflen; i++) {		
		pinfo->sinfo.pdata[index] = buf[i];
		/*模加index*/
		index = (index+1)%pinfo->sinfo.datalen;

		while(index == pinfo->sinfo.poutput) {/* 发送太慢了，等一等*/
			OS_CRITICAL_EXIT();
			OSTimeDlyHMSM(0, 0, 0, 10, OS_OPT_TIME_DLY, &err);
		    OS_CRITICAL_ENTER();                         /* Tell uC/OS-II that we are starting an ISR          */
		}
	}

	/*更新输入指针*/
	pinfo->sinfo.pinput = index;

	/*启动发送*/
	if((pinfo->sinfo.pinput  != pinfo->sinfo.poutput)) {//&&(!pinfo->sinfo.sending)
		USART_ITConfig(USARTx, USART_IT_TXE, ENABLE);
		pinfo->sinfo.sending = TRUE;
		//index = pinfo->sinfo.poutput;
		//USART_SendData(USARTx, pinfo->sinfo.pdata[index]);/*新数据写入发送缓冲*/
		//pinfo->sinfo.poutput = (index+1)%pinfo->sinfo.datalen;/*以datalen为模加index*/
	}
    OS_CRITICAL_EXIT();
	#endif
	return 0;
}


/*******************************************************************************
*uart_rcv_process  接收报文处理，按照相应的协议，对接收缓冲区的报文进行处理，并调用
*		注册的rcv处理函数；
*Input:
*	prt		--报文处理使用的协议，根据协议类型进行报文接收；
*	prinfo	--接收缓冲区相关信息指针；
*Output:
*	None	
*Return:
*	OK/ERROR，表示执行成功和失败
*/
int uart_rcv_process(u8 uartid)
{
	u8 val = 0;
	u32 index = 0;
	u32 ucnt = 0;
	uart_info *pinfo = NULL;
//	uart_config_struct *p_uart = NULL;
	uart_rcv_info *prinfo = NULL;
	
	
    CPU_SR_ALLOC();
	
//	if(uartid == UART3_ID)
//		return 0;
	
	pinfo = &g_uart_info[uartid];
//	p_uart = &g_uart_cfg[uartid];
	prinfo = &pinfo->rinfo;
	
	/*参数检查*/
	if(prinfo == NULL) {
		return -1;
	}

    OS_CRITICAL_ENTER();                         /* Tell uC/OS-II that we are starting an ISR          */
	/*20090828modify,szb*/
	if(prinfo->flag.bufof==TRUE) {
		prinfo->flag.bufof=FALSE;
		prinfo->rtbuf.poutput = prinfo->rtbuf.pinput;
		prinfo->rproc.outcnt = 0; 
	}

	/*看看接收暂存缓冲区当前有没有数据可以接收*/
	if(prinfo->rtbuf.poutput == prinfo->rtbuf.pinput) {/*没有新数据*/
		return 0;
	}
	
	/*记录接收暂存缓冲区开始处理的位置*/
	index = prinfo->rtbuf.poutput;
	ucnt = prinfo->rproc.outcnt;

	/*处理已经接收完毕但是还没有处理的报文内容*/
	while(index != prinfo->rtbuf.pinput) {
		/*获取接收缓冲区的内容*/
		val = prinfo->rtbuf.buf[index];
		prinfo->rproc.pdata[ucnt] = val;

		/*处理下一个字符*/
		index = (index+1)%UART_RCV_TEMPBUF_LEN;
		ucnt = (ucnt+1)%UART_RCV_PROCBUF_LEN;
	}

	if(prinfo->rproc.rcv) {/* 注册接收函数 */
		prinfo->rproc.rcv(pinfo->uartid, pinfo->arg, prinfo->rproc.pdata, ucnt, NULL);
		ucnt = 0;
	} 

	/*更新输出起始指针*/
	prinfo->rtbuf.poutput = index;
	prinfo->rproc.outcnt = ucnt;	
    OS_CRITICAL_EXIT();
	
	return 0;	
}

int uart_blocking_read(char *buffer, u8 uartid, u32 timeout)
{
	OS_ERR err;
	uart_info *pinfo = NULL;
//	uart_config_struct *p_uart = NULL;
	uart_rcv_info *prinfo = NULL;
	int ret = 1;
	CPU_SR_ALLOC();
	
	pinfo = &g_uart_info[uartid];
//	p_uart = &g_uart_cfg[uartid];
	prinfo = &pinfo->rinfo;
	
	while(timeout--) {
		OSTimeDlyHMSM(0, 0, 0, 1, OS_OPT_TIME_DLY, &err);			
	}
	OS_CRITICAL_ENTER();
	if(prinfo->rproc.outcnt) {
		memcpy(buffer, prinfo->rproc.pdata, prinfo->rproc.outcnt);
		ret = prinfo->rproc.outcnt;
		prinfo->rproc.outcnt = 0;
	} else {
		ret = 0;
	}
	OS_CRITICAL_EXIT();
	return ret;
}
/*****************************************************************************
** Function name:		USART1_IRQHandler
**
** Descriptions:		UART1 interrupt handler
**
** parameters:			None
** Returned value:		None
** 
*****************************************************************************/
void USART1_IRQHandler(void) 
{
	uart_interrupt(UART1_ID);
}

void USART2_IRQHandler(void) 
{
	uart_interrupt(UART2_ID);
}


void USART3_IRQHandler(void) 
{
	uart_interrupt(UART3_ID);
//	uint8_t cnt = 0;
//	u16 index = 0;
//	u8 val =0;
//	uart_info *pinfo = NULL;
//    CPU_SR_ALLOC();	
//	pinfo = &g_uart_info[UART3_ID];
//    OSIntEnter();

//    OS_CRITICAL_ENTER();                         /* Tell uC/OS-II that we are starting an ISR          */

//	// uart_interrupt(UART3_ID);
//	if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET)
//	{/*有新数据需要接收,不管缓存区是否溢出，数据必须读出*/
//		val = USART_ReceiveData(USART3);			/*接收新数据,同时清除中断挂起*/
//		USART_ClearFlag(USART3, USART_IT_RXNE);
//		USART_ClearITPendingBit(USART3, USART_IT_RXNE);
//		/***********/
//		UART3_RCV_PROT_BUF[uart3_prot_index] = val;
//		
//		/***********/
//		
//		// if(!pinfo->rinfo.flag.bufof)
//		{/*如果接收缓冲没有溢出*/
//			index = pinfo->rinfo.rtbuf.pinput;
//			if(val == 0xbb)//接收到首字节
//			{
//				pinfo->irqinfo.head_cnt = index;
//				pinfo->irqinfo.rcv_over = 0;
//				pinfo->irqinfo.data_cnt = 0;
//				pinfo->irqinfo.data_len = 0;
//				pinfo->irqinfo.code = 0;
//				
//				pinfo->irqinfo.head_cnt2 = uart3_prot_index;
//				pinfo->irqinfo.data_len2 = 0;
//			}
//			else if(val == 0xba)//需转义
//			{
//				pinfo->irqinfo.code = 1;
//				cnt = 1;//不存储
//			}
//			else
//			{
//				if(pinfo->irqinfo.code)//转义
//				{
//					pinfo->irqinfo.code = 0;
//					if(val == 0)
//					{
//						val = 0xba;
//					}
//					else if (val == 1)
//					{
//						val = 0xbb;
//					}
//				}
//				if(index == ((pinfo->irqinfo.head_cnt+1)%UART_RCV_TEMPBUF_LEN))//第二个字节
//				{
//					pinfo->irqinfo.data_len = val;
//					pinfo->irqinfo.data_cnt = 0;
//				}
//				else
//				{
//					pinfo->irqinfo.data_cnt = (pinfo->irqinfo.data_cnt+1)%(UART_RCV_TEMPBUF_LEN+1);
//					if(pinfo->irqinfo.data_cnt == pinfo->irqinfo.data_len)
//					{
//						pinfo->irqinfo.rcv_over = 1;
//					}
//				}
//			}
//			if(cnt == 0)
//			{
//				pinfo->rinfo.rtbuf.buf[index] = val;
//				index = (index+1)%UART_RCV_TEMPBUF_LEN;/*以datalen为模加index*/
//			}
//			pinfo->rinfo.rtbuf.pinput = index;/*更新输入指针长度*/
//			
//		}
//		
//		pinfo->irqinfo.data_len2++;
//		uart3_prot_index = (uart3_prot_index+1)%UART_RCV_TEMPBUF_LEN;
// 	}

//	OS_CRITICAL_EXIT();
//    OSIntExit();
}

void UART4_IRQHandler(void) 
{
	uart_interrupt(UART4_ID);
}

void UART5_IRQHandler(void) 
{
	uart_interrupt(UART5_ID);
}

//串口3接收
uint16_t uart_rcv_uart3(uint8_t *buffer)
{
//	OS_ERR err;
	uint16_t len1 = 0,len2 = 0;
	uart_info *pinfo = NULL;
	int ret = 1;
	CPU_SR_ALLOC();
	
	pinfo = &g_uart_info[UART3_ID];

	OS_CRITICAL_ENTER();
	if(pinfo->irqinfo.rcv_over && pinfo->irqinfo.data_len)
	{
		pinfo->irqinfo.rcv_over = 0;
		if((pinfo->irqinfo.head_cnt + pinfo->irqinfo.data_len + 2) > UART_RCV_TEMPBUF_LEN)
		{
			len1 = UART_RCV_TEMPBUF_LEN - pinfo->irqinfo.head_cnt;
			len2 = pinfo->irqinfo.head_cnt+pinfo->irqinfo.data_len+2 - UART_RCV_TEMPBUF_LEN;
			memcpy(buffer,&pinfo->rinfo.rtbuf.buf[pinfo->irqinfo.head_cnt],len1);
			memcpy(buffer+len1,pinfo->rinfo.rtbuf.buf,len2);
		}
		else
			memcpy(buffer,&pinfo->rinfo.rtbuf.buf[pinfo->irqinfo.head_cnt],pinfo->irqinfo.data_len+2);
		ret = pinfo->irqinfo.data_len+2;
		pinfo->irqinfo.data_len = 0;
	}
	else
	{
		ret = 0;
	}
	OS_CRITICAL_EXIT();
	return ret;
}

//串口3接收
uint16_t uart_rcv_uart3_two(uint8_t *buffer1,uint16_t *buf_len1, uint8_t *buffer2, uint16_t *buf_len2)
{
//	OS_ERR err;
	uint16_t len1 = 0,len2 = 0;
	uart_info *pinfo = NULL;
	int ret = 1;
	CPU_SR_ALLOC();
	
	pinfo = &g_uart_info[UART3_ID];

	OS_CRITICAL_ENTER();
	if(pinfo->irqinfo.rcv_over && pinfo->irqinfo.data_len)
	{
		pinfo->irqinfo.rcv_over = 0;
		if((pinfo->irqinfo.head_cnt + pinfo->irqinfo.data_len + 2) > UART_RCV_TEMPBUF_LEN)
		{
			len1 = UART_RCV_TEMPBUF_LEN - pinfo->irqinfo.head_cnt;
			len2 = pinfo->irqinfo.head_cnt+pinfo->irqinfo.data_len+2 - UART_RCV_TEMPBUF_LEN;
			memcpy(buffer1,&pinfo->rinfo.rtbuf.buf[pinfo->irqinfo.head_cnt],len1);
			memcpy(buffer1+len1,pinfo->rinfo.rtbuf.buf,len2);
		}
		else
			memcpy(buffer1,&pinfo->rinfo.rtbuf.buf[pinfo->irqinfo.head_cnt],pinfo->irqinfo.data_len+2);
		ret = pinfo->irqinfo.data_len+2;
		pinfo->irqinfo.data_len = 0;
		*buf_len1 = ret;//数组1的长度
		
		//原始数据读取
		if((pinfo->irqinfo.head_cnt2 + pinfo->irqinfo.data_len2) > UART_RCV_TEMPBUF_LEN)
		{
			len1 = UART_RCV_TEMPBUF_LEN - pinfo->irqinfo.head_cnt2;
			len2 = pinfo->irqinfo.head_cnt2+pinfo->irqinfo.data_len2 - UART_RCV_TEMPBUF_LEN;
			memcpy(buffer2,&UART3_RCV_PROT_BUF[pinfo->irqinfo.head_cnt2],len1);
			memcpy(buffer2+len1,UART3_RCV_PROT_BUF,len2);
		}
		else
			memcpy(buffer2,&UART3_RCV_PROT_BUF[pinfo->irqinfo.head_cnt2],pinfo->irqinfo.data_len2);
		*buf_len2 = pinfo->irqinfo.data_len2;
		pinfo->irqinfo.data_len2 = 0;
	}
	else
	{
		ret = 0;
	}
	OS_CRITICAL_EXIT();
	return ret;
}