uart_lite.h.svn-base

Spearhead2000 的 USB驱动程序

/******************************************************************************
**                                                                           **
**  Copyright (c) 2002 ST Microelectronics                                   **
**  All rights reserved                                                      **
**                                                                           **
**      Filename  :  uart.h                                                  **
**      Author    :  Armando Visconti                                        **
**      Revision  :  1.0                                                     **
**                                                                           **
**                                                                           **
**                                                                           **
*******************************************************************************/
#ifndef __NETONE_UART_HEADER
#define __NETONE_UART_HEADER

#ifdef     __cplusplus
extern  "C" {           /* C declarations in C++     */
#endif


#define UART_BASE		0x30001800	


/* BAUD rate register*/
#define UART_ASCBaudRate		((volatile unsigned short *) (UART_BASE + 0x000))

// UART Baudrate Register values
#define	UART_Baud_115200	0x0024	// UART - Baud Rate is 115200 b/s
#define	UART_Baud_57600		0x0048	// UART - Baud Rate is 57600  b/s
#define	UART_Baud_38400		0x006C	// UART - Baud Rate is 38400  b/s
#define	UART_Baud_19200		0x0080	// UART - Baud Rate is 19200  b/s
#define	UART_Baud_9600		0x00D8	// UART - Baud Rate is 9600   b/s
#define	UART_Baud_4800		0x0362	// UART - Baud Rate is 4800   b/s
#define	UART_Baud_2400		0x06C4	// UART - Baud Rate is 2400   b/s
#define	UART_Baud_1200		0x0D88	// UART - Baud Rate is 1200   b/s
#define	UART_Baud_600		0x1B0F	// UART - Baud Rate is 600    b/s

/* TX buffer register*/
#define UART_ASCTxBuffer		((volatile unsigned short *) (UART_BASE + 0x004))

/* RX buffer register*/
#define UART_ASCRxBuffer		((volatile unsigned short *) (UART_BASE + 0x008))

/* UART control register*/
#define UART_ASCControl			((volatile unsigned short *) (UART_BASE + 0x00C))

#define UART_Mode_8BitsData		0x001
#define UART_Mode_7BitsDataParity	0x003
#define UART_Mode_9BitsData		0x004
#define UART_Mode_8BitsDataWakeUp	0x005
#define UART_Mode_8BitsDataParity	0x007
#define UART_IStopBits0_5		0x000
#define UART_IStopBits1			0x008
#define UART_IStopBits1_5		0x010
#define UART_IStopBits2			0x018
#define UART_IParEven			0x000
#define UART_IParOdd			0x020
#define UART_LoopStandard		0x000
#define UART_LoopBack			0x040
#define UART_Run			0x080
#define UART_RxE			0x100
#define UART_SCE			0x200
#define UART_FifE			0x400


/* Int enable register*/
#define UART_ASCIntEnable		((volatile unsigned short *) (UART_BASE + 0x010))

/* Int status register*/
#define UART_ASCStatus			((volatile unsigned short *) (UART_BASE + 0x014))

#define	UART_RxNotEmpty			0x001	// UART - Rx Buffer full event 
#define	UART_TxEmpty			0x002	// UART - Tx Buffer empty event 
#define	UART_TxHalfEmpty		0x004	// UART - Tx Buffer half empty event 
#define	UART_ParErr			0x008	// UART - Parity error event 
#define	UART_FrmErr			0x010	// UART - Frame error event 
#define	UART_OvrErr			0x020	// UART - Overrun error event 
#define	UART_TmoutNotEmpty		0x040	// UART - Timeout not empty event 
#define	UART_TmoutIdle			0x080	// UART - Timeout idle event 
#define	UART_RxHalfFull			0x100	// UART - Rx Buffer half full event 
#define	UART_TxFull			0x200	// UART - Tx Buffer full event (only Status Register!!)

/* Guard time register*/
#define UART_ASCGuardtime		((volatile unsigned short *) (UART_BASE + 0x018))

/* Timeout register*/
#define UART_ASCTimeout			((volatile unsigned short *) (UART_BASE + 0x01C))

/* TX reset register*/
#define UART_ASCTxReset			((volatile unsigned short *) (UART_BASE + 0x020))

/* RX reset register*/
#define UART_ASCRxReset			((volatile unsigned short *) (UART_BASE + 0x024))


/* This is the FIFO size in bytes */
#define UART_FIFOsize			16          

/* This is UART vector number */
#define UART_VECT_NUM			0x4

/********************************************************************************/
extern void UART_Init(void);
extern char UART_com(void);
extern unsigned int UART_getc (unsigned char*);
extern unsigned int UART_putc (unsigned char);
extern void UART_tx_vec (unsigned char*, unsigned int);
extern void UART_rx_vec (unsigned char*, unsigned int);
extern void UART_print_integer (int);
extern void UART_print_time (int, int, int);
extern void UART_print_ex (unsigned int);
/********************************************************************************/

#ifdef     __cplusplus
}                       /* C declarations in C++     */
#endif

#endif // __NETONE_UART_HEADER