uart.h

freescale i.mx31 BSP CE5.0全部源码

//------------------------------------------------------------------------------
//
//  Copyright (C) 2004, Motorola Inc. All Rights Reserved
//
//------------------------------------------------------------------------------
//
//  Copyright (C) 2004, Freescale Semiconductor, Inc. All Rights Reserved
//  THIS SOURCE CODE IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
//  BE USED OR DISTRIBUTED WITHOUT THE WRITTEN PERMISSION OF
//  Freescale Semiconductor, Inc.
//
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
//
//  File:  uart.h
//
//   Header file for zeus serial device.
//
//------------------------------------------------------------------------------

#ifndef __UART_H__
#define __UART_H__

#ifdef __cplusplus
extern "C" {
#endif

//------------------------------------------------------------------------------
// Defines
#define UART_REF_FREQ    5500000
#define IRSC_BAUDRATE    38400
#define UART_BAUDRATE_DEFAULT    115200
#define UART_UBMR_MOD_DEFAULT    40000
#define UART_UBIR_INCREMENT( baud, UBMR, refFreq )    ((UINT32)(((UINT64)baud * 16*UBMR / refFreq)))


#define SER_FIFO_DEPTH    32
#define SER_FIFO_TXTL    0x10
#define SER_FIFO_RXTL    0x10
#define UART_URXD_RX_DATA_MSK    0xFF

//------------------------------------------------------------------------------
// Types

typedef enum uartType {
    DCE,
    DTE
}uartType_c;

typedef enum irMode {
    SIR_MODE,
    MIR_MODE,
    FIR_MODE
}irMode_c;

//------------------------------------------------------------------------------
// Functions

#ifdef __cplusplus
}
#endif
#endif // __UART_H__