/*---------------------------------------------------------------------*/
/* --- STC MCU Limited ------------------------------------------------*/
/* --- STC 1T Series MCU Demo Programme -------------------------------*/
/* --- Mobile: (86)13922805190 ----------------------------------------*/
/* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/
/* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/
/* --- Web: www.STCMCU.com --------------------------------------------*/
/* --- Web: www.STCMCUDATA.com  ---------------------------------------*/
/* --- QQ:  800003751 -------------------------------------------------*/
/* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序            */
/*---------------------------------------------------------------------*/

#ifndef __UART_H
#define __UART_H	 

#include	"config.h"

//========================================================================
//                              定义声明
//========================================================================

#define	UART1	1
//#define	UART2	2
//#define	UART3	3
//#define	UART4	4

#define	PRINTF_SEL  UART1		//选择 printf 函数所使用的串口，参数 UART1~UART4

#ifdef UART1
#define	COM_TX1_Lenth	128
#define	COM_RX1_Lenth	128
#endif
#ifdef UART2
#define	COM_TX2_Lenth	64
#define	COM_RX2_Lenth	64
#endif
#ifdef UART3
#define	COM_TX3_Lenth	32
#define	COM_RX3_Lenth	32
#endif
#ifdef UART4
#define	COM_TX4_Lenth	32
#define	COM_RX4_Lenth	32
#endif

#define	UART_ShiftRight	0		//同步移位输出
#define	UART_8bit_BRTx	(1<<6)	//8位数据,可变波特率
#define	UART_9bit				(2<<6)	//9位数据,固定波特率
#define	UART_9bit_BRTx	(3<<6)	//9位数据,可变波特率


#define	TimeOutSet1		5
#define	TimeOutSet2		5
#define	TimeOutSet3		5
#define	TimeOutSet4		5

#define	BRT_Timer1	1
#define	BRT_Timer2	2
#define	BRT_Timer3	3
#define	BRT_Timer4	4

//========================================================================
//                              UART设置
//========================================================================

#define		UART1_Interrupt(n)	(n==0?(ES = 0):(ES = 1))					/* UART1中断使能 */
#define		UART1_RxEnable(n)	(n==0?(REN = 0):(REN = 1))					/* UART1接收使能 */

#define		UART2_Interrupt(n)	IE2 = (IE2 & ~0x01) | (n)					/* UART2中断使能 */
#define		UART2_RxEnable(n)	S2CON = (S2CON & ~0x10) | (n << 4)	/* UART2接收使能 */

#define		UART3_Interrupt(n)	IE2 = (IE2 & ~0x08) | (n << 3)		/* UART3中断使能 */
#define		UART3_RxEnable(n)	S3CON = (S3CON & ~0x10) | (n << 4)	/* UART3接收使能 */

#define		UART4_Interrupt(n)	IE2 = (IE2 & ~0x10) | (n << 4)		/* UART4中断使能 */
#define		UART4_RxEnable(n)	S4CON = (S4CON & ~0x10) | (n << 4)	/* UART4接收使能 */


#define		TI2					(S2CON & 2) 		/* 判断TI2是否发送完成								 */
#define		RI2					(S2CON & 1) 		/* 判断RI2是否接收完成								 */
#define		TI3					(S3CON & 2) != 0	/* 判断TI3是否发送完成								 */
#define		RI3					(S3CON & 1) != 0	/* 判断RI3是否接收完成								 */
#define		TI4					(S4CON & 2) != 0	/* 判断TI3是否发送完成							     */
#define		RI4					(S4CON & 1) != 0	/* 判断RI3是否接收完成							     */

#define		CLR_TI2()			S2CON &= ~(1<<1)	/* 清除TI2											 */
#define		CLR_RI2()			S2CON &= ~1			/* 清除RI2											 */
#define		CLR_TI3()			S3CON &= ~(1<<1)	/* 清除TI3											 */
#define		CLR_RI3()			S3CON &= ~1			/* 清除RI3											 */
#define		CLR_TI4()			S4CON &= ~2			/* 清除TI3										     */
#define		CLR_RI4()			S4CON &= ~1			/* 清除RI3										     */

#define		S3_8bit()			S3CON &= ~(1<<7)	/* 串口3模式0，8位UART，波特率 = 定时器的溢出率 / 4  */
#define		S3_9bit()			S3CON |=  (1<<7)	/* 串口3模式1，9位UART，波特率 = 定时器的溢出率 / 4  */
#define 	S3_BRT_UseTimer3()	S3CON |=  (1<<6)	/* BRT select Timer3								 */
#define 	S3_BRT_UseTimer2()	S3CON &= ~(1<<6)	/* BRT select Timer2								 */

#define		S4_8bit()			S4CON &= ~(1<<7)	/* 串口4模式0，8位UART，波特率 = 定时器的溢出率 / 4  */
#define		S4_9bit()			S4CON |=  (1<<7)	/* 串口4模式1，9位UART，波特率 = 定时器的溢出率 / 4  */
#define 	S4_BRT_UseTimer4()	S4CON |=  (1<<6)	/* BRT select Timer4								 */
#define 	S4_BRT_UseTimer2()	S4CON &= ~(1<<6)	/* BRT select Timer2								 */

//========================================================================
//                              变量声明
//========================================================================

typedef struct
{ 
	u8	id;				//串口号

	u8	TX_read;		//发送读指针
	u8	TX_write;		//发送写指针
	u8	B_TX_busy;		//忙标志

	u8 	RX_Cnt;			//接收字节计数
	u8	RX_TimeOut;		//接收超时
	u8	B_RX_OK;		//接收块完成
} COMx_Define; 

typedef struct
{ 
	u8	UART_Mode;			//模式,         UART_ShiftRight,UART_8bit_BRTx,UART_9bit,UART_9bit_BRTx
	u8	UART_BRT_Use;		//使用波特率,   BRT_Timer1,BRT_Timer2,BRT_Timer3,BRT_Timer4
	u32	UART_BaudRate;		//波特率, 	   一般 110 ~ 115200
	u8	Morecommunicate;	//多机通讯允许, ENABLE,DISABLE
	u8	UART_RxEnable;		//允许接收,   ENABLE,DISABLE
	u8	BaudRateDouble;		//波特率加倍, ENABLE,DISABLE
} COMx_InitDefine; 

//extern	u8 xdata *TX1_Buffer;
//extern	u8 xdata *RX1_Buffer;
//extern	u8 xdata *TX2_Buffer;
//extern	u8 xdata *RX2_Buffer;

#ifdef UART1
extern	COMx_Define	COM1;
extern	u8	xdata TX1_Buffer[COM_TX1_Lenth];	//发送缓冲
extern	u8 	xdata RX1_Buffer[COM_RX1_Lenth];	//接收缓冲
#endif
#ifdef UART2
extern	COMx_Define	COM2;
extern	u8	xdata TX2_Buffer[COM_TX2_Lenth];	//发送缓冲
extern	u8 	xdata RX2_Buffer[COM_RX2_Lenth];	//接收缓冲
#endif
#ifdef UART3
extern	COMx_Define	COM3;
extern	u8	xdata TX3_Buffer[COM_TX3_Lenth];	//发送缓冲
extern	u8 	xdata RX3_Buffer[COM_RX3_Lenth];	//接收缓冲
#endif
#ifdef UART4
extern	COMx_Define	COM4;
extern	u8	xdata TX4_Buffer[COM_TX4_Lenth];	//发送缓冲
extern	u8 	xdata RX4_Buffer[COM_RX4_Lenth];	//接收缓冲
#endif

u8	UART_Configuration(u8 UARTx, COMx_InitDefine *COMx);
#ifdef UART1
void TX1_write2buff(u8 dat);	//写入发送缓冲，指针+1
void PrintString1(u8 *puts);
#endif
#ifdef UART2
void TX2_write2buff(u8 dat);	//写入发送缓冲，指针+1
void PrintString2(u8 *puts);
#endif
#ifdef UART3
void TX3_write2buff(u8 dat);	//写入发送缓冲，指针+1
void PrintString3(u8 *puts);
#endif
#ifdef UART4
void TX4_write2buff(u8 dat);	//写入发送缓冲，指针+1
void PrintString4(u8 *puts);
#endif

//void COMx_write2buff(COMx_Define *COMx, u8 dat);	//写入发送缓冲，指针+1
//void PrintString(COMx_Define *COMx, u8 *puts);

#endif