serial.h

这是一个uC/OS-II For cs8900的移植项目源代码．可以在uCOSV252.exe上运行

/******************************************************************************
* Filename     : serial.h                                                     *
* Program      : loader.                                                      *
* Copyright    : Copyright (C) 2001, Young-Su, Ahn.                           *
* Author       : Young-Su, Ahn <[e-mail]>                           *
* Description  : Header file for serial.c.                                    *
* Created at   : Wed Mar 13 2001.                                             *
* Based on     : blob-1.0.8-pre2 (http://www.lart.tudelft.nl)                 *
* Modified by  :                                                              *
* Modified at  :                                                              *
******************************************************************************/
/* This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef _SERIAL_H_467646493264924
#define _SERIAL_H_467646493264924

#include "types.h"
#include "config.h"


// 盔夯篮 linux狼 include/asm/arch-sa1100/SA-1100.h涝聪促. 炼陛 函版窍看嚼聪促.
// Serial Port 1.
#define Ser1SDCR0		(*((volatile ulong *)(0x80020060)))

#define Ser1UTCR0		(*((volatile ulong *)(0x80010000)))
#define Ser1UTCR1		(*((volatile ulong *)(0x80010004)))
#define Ser1UTCR2		(*((volatile ulong *)(0x80010008)))
#define Ser1UTCR3		(*((volatile ulong *)(0x8001000C)))
#define Ser1UTDR		(*((volatile ulong *)(0x80010014)))
#define Ser1UTSR0		(*((volatile ulong *)(0x8001001C)))
#define Ser1UTSR1		(*((volatile ulong *)(0x80010020)))

// Serial Port 3.
#define Ser3UTCR0		(*((volatile ulong *)(0x80050000)))
#define Ser3UTCR1		(*((volatile ulong *)(0x80050004)))
#define Ser3UTCR2		(*((volatile ulong *)(0x80050008)))
#define Ser3UTCR3		(*((volatile ulong *)(0x8005000C)))
#define Ser3UTDR		(*((volatile ulong *)(0x80050014)))
#define Ser3UTSR0		(*((volatile ulong *)(0x8005001C)))
#define Ser3UTSR1		(*((volatile ulong *)(0x80050020)))

#define UTCR0_PE		0x00000001		// Parity Enable.
#define UTCR0_OES		0x00000002		// Odd/Even parity Select.
#define UTCR0_OddPar	(UTCR0_OES*0)	// Odd Parity.
#define UTCR0_EvenPar	(UTCR0_OES*1)	// Even Parity.
#define UTCR0_SBS		0x00000004		// Stop Bit Select.
#define UTCR0_1StpBit	(UTCR0_SBS*0)	// 1 Stop Bit per frame.
#define UTCR0_2StpBit	(UTCR0_SBS*1)	// 2 Stop Bits per frame.
#define UTCR0_DSS		0x00000008		// Data Size Select.
#define UTCR0_7BitData	(UTCR0_DSS*0)	// 7-Bit Data.
#define UTCR0_8BitData	(UTCR0_DSS*1)	// 8-Bit Data.
#define UTCR0_SCE		0x00000010		// Sample Clock Enable.
#define UTCR0_RCE		0x00000020		// Receive Clock Edge select.
#define UTCR0_RcRsEdg	(UTCR0_RCE*0)	// Receive clock Rising-Edge.
#define UTCR0_RcFlEdg	(UTCR0_RCE*1)	// Receive clock Falling-Edge.
#define UTCR0_TCE		0x00000040		// Transmit Clock Edge select.
#define UTCR0_TrRsEdg	(UTCR0_TCE*0)	// Transmit clock Rising-Edge.
#define UTCR0_TrFlEdg	(UTCR0_TCE*1)	// Transmit clock Falling-Edge.
#define UTCR0_Ser2IrDA	(UTCR0_1StpBit + UTCR0_8BitData)

#define UTCR3_RXE		0x00000001		// Receive Enable.
#define UTCR3_TXE		0x00000002		// Transmit Enable.
#define UTCR3_BRK		0x00000004		// BReaK mode.
#define UTCR3_RIE		0x00000008		// Receive FIFO 1/3-to-2/3-full or more Interrupt Enable.
#define UTCR3_TIE		0x00000010		// Transmit FIFO 1/2-full or less Interrupt Enable.
#define UTCR3_LBM		0x00000020		// Look-Back Mode.
#define UTCR3_Ser2IrDA	(UTCR3_RXE + UTCR3_TXE)

#define UTCR4_HSE		0x00000001		// Hewlett-Packard Serial InfraRed.
#define UTCR4_NRZ		(UTCR4_HSE*0)	// Non-Return to Zero modulation.
#define UTCR4_HPSIR		(UTCR4_HSE*1)	// HP-SIR modulation.
#define UTCR4_LPM		0x00000002		// Low-Power Mode.
#define UTCR4_Z3_16Bit	(UTCR4_LPM*0)	// Zero pulse = 3/16 Bit time.
#define UTCR4_Z1_6us	(UTCR4_LPM*1)	// Zero pulse = 1.6 us.

#define UTSR0_TFS		0x00000001		// Transmit FIFO 1/2-full or less Service request (read).
#define UTSR0_RFS		0x00000002		// Receive FIFO 1/3-to-2/3-full or more Service request (read).
#define UTSR0_RID		0x00000004		// Receiver IDle
#define UTSR0_RBB		0x00000008		// Receive Beginning of Break
#define UTSR0_REB		0x00000010		// Receive End of Break
#define UTSR0_EIF		0x00000020		// Error In FIFO (read).

#define UTSR1_TBY		0x00000001		// Transmitter Busy (read).
#define UTSR1_RNE		0x00000002		// Receive FIFO Not Empty (read).
#define UTSR1_TNF		0x00000004		// Transmit FIFO Not Full (read).
#define UTSR1_PRE		0x00000008		// receive PaRity Error (read).
#define UTSR1_FRE		0x00000010		// receive FRaming Error (read).
#define UTSR1_ROR		0x00000020		// Receive FIFO Over-Run (read).



#ifdef USE_SERIAL1
#define UTCR0			Ser1UTCR0
#define	UTCR1			Ser1UTCR1
#define UTCR2			Ser1UTCR2
#define UTCR3			Ser1UTCR3
#define UTDR			Ser1UTDR
#define UTSR0			Ser1UTSR0
#define UTSR1			Ser1UTSR1
#else
#define UTCR0			Ser3UTCR0
#define	UTCR1			Ser3UTCR1
#define UTCR2			Ser3UTCR2
#define UTCR3			Ser3UTCR3
#define UTDR			Ser3UTDR
#define UTSR0			Ser3UTSR0
#define UTSR1			Ser3UTSR1
#endif

// Data Bit.

// 捞巴捞 define登绢 乐绢具, 酒贰狼 Default蔼捞 利侩凳.
#ifndef SERIAL_CONFIG
#define SERIAL_CONFIG

//#define SERIAL_DATA_BIT			UTCR0_7BitData			// Data Bit 7.
#define SERIAL_DATA_BIT			UTCR0_8BitData			// Data Bit 8.

// Stop Bit.
#define SERIAL_STOP_BIT			UTCR0_1StpBit			// Stop Bit 1.
//#define SERIAL_STOP_BIT			UTCR0_2StpBit			// Stop Bit 2.

// Parity Bit.
// Parity甫 荤侩且 版快 
#define SERIAL_PARITY_ENABLE	0						// Parity Bit 荤侩 救窃.
//#define SERIAL_PARITY_ENABLE	UTCR0_PE				// parity Bit 荤侩.

#define SERIAL_PARITY			0						// Parity Bit 荤侩 救窃.
//#define SERIAL_PARITY			UTCR0_OddPar			// Odd Parity Bit 荤侩.
//#define SERIAL_PARITY			UTCR0_EvenPar			// Even Parity Bit 荤侩.
#endif

typedef enum {			// Some useful Baudrates for sa-1110;
	BAUD1200    = 191,
	BAUD9600    =  23,
	BAUD19200   =  11,
	BAUD38400   =   5,
	BAUD57600   =   3,
	BAUD115200  =   1
} SCR;
/*
typedef int (*serial_init_func_t)(serial_baud_t);
typedef int (*serial_read_func_t)(void);
typedef int (*serial_write_func_t)(int);
typedef int (*serial_poll_func_t)(void);
typedef int (*serial_flush_input_func_t)(void);
typedef int (*serial_flush_output_func_t)(void);
*/
/*
typedef struct {
	serial_init_func_t init;

	serial_read_func_t read;
	serial_write_func_t write;

	serial_poll_func_t poll;

	serial_flush_input_func_t flush_input;
	serial_flush_output_func_t flush_output;
} serial_driver_t;
*/

/* implemented serial drivers */
//extern serial_driver_t sa11x0_serial_driver;


/* should be filled out by the architecture dependent files */
//extern serial_driver_t *serial_driver;
// Function prototypes.
void SerialInit(SCR scr);
int  serial_poll(void);
void SerialOutputByte(const char c);
int  SerialInputByte(char *c);
//extern void SerialInit(eBauds baudrate);		// 皋牢 矫府倔 檬扁拳 
extern void SerialOutChar( const char c  );    	// 矫府倔俊 茄 巩磊甫 免仿茄促. 
extern int  SerialOutStr( char *str, int size );	// 矫府倔俊 滚欺狼 郴侩阑 免仿茄促. 
extern void SerialOutChar_CheckCR( const char c  );    // 矫府倔俊 茄 巩磊甫 免仿茄促. 
extern int  SerialOutStr_CheckCR( char *str, int size ); // 矫府倔俊 滚欺狼 郴侩阑 免仿茄促. 

extern int SerialIsReadyChar( void );
extern char SerialIsGetChar( void );
extern char SerialIsClearError( void );
extern int SerialIsGetError( void );

int  SerialInputString(char *s, const int len, const int timeout);
int  SerialInputBlock(char *buf, int bufsize, const int timeout);

#endif		// end _SERIAL_H_467646493264924.