0904_BOOT/BSP/Uart.h

#ifndef __USART_H
#define __USART_H
#include "stdio.h"	
#include "includes.h" 

/*端口号*/
enum {
	UART1_ID = 0,
	UART2_ID = 1,
	UART3_ID = 2,	
	UART4_ID = 3,
	UART5_ID = 4,

	UART_DEBUG = UART1_ID,
	UART_4G = UART3_ID,
	UART_MAX = 5
};

#define RS485_UART UART2_ID

#ifndef FALSE
#define FALSE			0
#endif
#ifndef TRUE
#define TRUE			1
#endif

#define UART_RCV_TEMPBUF_LEN	2048
#define UART_RCV_PROCBUF_LEN	2048
#define USART_RECEIVE_OVERTIME 20 //字节超时时间, 单位为ms
#define SYSTEMTICK_PERIOD_MS		1			//滴答时基，单位ms，缺省值10ms

#define OTP_PACK_ALIGN(x) __attribute__((packed, aligned(x)))
typedef int (*uart_rcv_func)(uint8_t uartid, void *arg, uint8_t *pbuf, uint16_t len, uint8_t version);
#define P_BUF 	1
#define P_DATA 	2
#define P_READ 	1
#define P_WRITE 2
#define UART_RCV_LEN_SMALL 	1024
#define UART_RCV_LEN_BIG	2100
typedef struct _uart_rcv_buf_t
{
	uint8_t uart1_buf[UART_RCV_LEN_SMALL];
	uint8_t uart1_pdata[UART_RCV_LEN_SMALL];
	uint8_t uart2_buf[UART_RCV_LEN_SMALL];
	uint8_t uart2_pdata[UART_RCV_LEN_SMALL];
	uint8_t uart3_buf[UART_RCV_LEN_BIG];
	uint8_t uart3_pdata[UART_RCV_LEN_BIG];
	uint8_t uart4_buf[UART_RCV_LEN_BIG];
	uint8_t uart4_pdata[UART_RCV_LEN_BIG];
	uint8_t uart5_buf[UART_RCV_LEN_SMALL];
	uint8_t uart5_pdata[UART_RCV_LEN_SMALL];
}OTP_PACK_ALIGN(1) uart_rcv_buf_t;

typedef struct _uart_buf_temp
{
	uint8_t buff[UART_RCV_LEN_BIG];
}OTP_PACK_ALIGN(1) uart_buf_temp;

/*定义串口处理的一些标志*/
typedef struct _uart_buf_flag
{
	uint8_t rsvd:7;
	uint8_t bufof:1;/*暂存表溢出*/
} OTP_PACK_ALIGN(1)uart_buf_flag;

/*暂存缓冲区*/
typedef struct _uart_rcv_tempbuf
{
	uint16_t	pinput; 	/*接收缓冲输入的指针值*/
	uint16_t	poutput;	/*接收缓冲输出的指针值*/
//	uint8_t	buf[UART_RCV_TEMPBUF_LEN];
}OTP_PACK_ALIGN(1)uart_rcv_tempbuf;

/*接收处理缓冲区*/
typedef struct _uart_rcv_procbuf
{
	uint16_t	outcnt;		/*处理的字节数*/
	uint16_t	pktlen;		/*协议报文的长度*/
	uint16_t	datalen;	/*缓冲区的长度*/
//	uint8_t	pdata[UART_RCV_PROCBUF_LEN];		/*缓冲区指针*/
	uart_rcv_func	rcv;	/*接收报文处理函数*/
}OTP_PACK_ALIGN(1)uart_rcv_procbuf;

typedef struct _uart_rcv_info
{
	uint32_t		rtime;	/*接收时间定义，记录上次字节接收时间*/
	uart_buf_flag   	flag;
	uart_rcv_tempbuf 	rtbuf;	/*暂存缓冲区信息*/
	uart_rcv_procbuf 	rproc;	/*报文处理缓冲区*/
	uint16_t		errpkt;		/*接收错误报文计数*/
#ifdef INCLUDE_OPTTYPE
	uart_opttype_buf	opttype;
#endif	
}uart_rcv_info;

/*发送缓冲区*/
typedef struct _uart_send_info
{
	int		sending;	/*表示是否开始发送缓冲区数据*/
	uint16_t 	pinput;		/*接收缓冲输入的指针值;范围0~datalen-1*/
	uint16_t 	poutput;	/*接收缓冲输入的指针值;范围0~datalen-1*/
	uint16_t		datalen;	/*缓冲区的长度*/
	uint8_t		pdata[2048];		/*缓冲区指针*/
	uart_buf_flag   flag;
}uart_send_info;

typedef struct _uart_info
{
	uart_rcv_info 	rinfo;
//	uart_send_info	sinfo;
	uint8_t 		uartid;
	uint16_t USART_ReceiveTimeCounter;
	uint8_t Rcv_Over;
	void	*arg;		/*自定义指针*/
}uart_info;
extern uart_info 	g_uart_info[UART_MAX];

/*接口配置数据结构*/
typedef struct _uart_config_struct
{
//	GPIO_TypeDef * rx_port;
	uint32_t rx_port;
	uint16_t rx_pin;
	
//	GPIO_TypeDef * tx_port;
	uint32_t tx_port;
	uint16_t tx_pin;	
	
	uint32_t	remap;
	uint8_t irq_no;
//	USART_TypeDef * uart_def;
	uint32_t uart_def;
	uint32_t uart_clk;
	uint32_t gpio_clk;
	uint32_t gpio_clk1;
	uint32_t gpio_clk2;
} uart_config_struct;

void uart_init(uint8_t uartid, uint32_t baud, uint32_t wordlen, uint32_t parity);
void data_dump(const char *name, uint8_t *data, uint16_t length);
int uart_msg_send(uint8_t uartid, const char *buf, uint32_t buflen);
int uart_blocking_read(char *buffer, uint8_t uartid, uint32_t timeout);
int uart_rs232_init(uint8_t uartid, uart_rcv_func rcv);
int uart_rcv_process(uint8_t uartid);
void USART_ReceiveOvertimeProcess(void);
void uart_rcv_wait(uint8_t uartid, uint32_t timeout);
uint32_t uart_blocking_read_over(char *buffer, uint8_t uartid, uint32_t timeout);
#endif