sir.h

freescale i.mx31 BSP CE5.0全部源码

//------------------------------------------------------------------------------
//
//  Copyright (C) 2004, Motorola Inc. All Rights Reserved
//
//------------------------------------------------------------------------------
//
//  Copyright (C) 2004, 2005 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:  sir.h
//
//   Header file for zeus FIR device.
//
//------------------------------------------------------------------------------
#ifndef __SIR_H__
#define __SIR_H__

#include "uart.h"

#ifdef __cplusplus
extern "C" {
#endif

//------------------------------------------------------------------------------
// Defines

#define SIR_RCV_ERROR \
    CSP_BITFVAL(UART_URXD_ERR, UART_URXD_ERR_ERROR)

#define SIR_INTR_MASK \
    CSP_BITFVAL(UART_USR2_TXDC, UART_USR2_TXDC_SET) |CSP_BITFVAL(UART_USR2_RDR, UART_USR2_RDR_SET)


// These are fine-tuning parameters for the COM port ISR.
// Number of times we poll a COM port register waiting 
// for a value which may/must appear.
	
#define REG_POLL_LOOPS		2  
#define REG_TIMEOUT_LOOPS	1000000


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

typedef enum {
    STATE_INIT,
    STATE_GOT_BOF,
    STATE_ACCEPTING,
    STATE_ESC_SEQUENCE,
	STATE_SAW_EOF,
	STATE_CLEANUP
} portRcvState;

// SIR port information object
typedef struct SirPort{
    UCHAR rawBuf[SER_FIFO_DEPTH];
	PUCHAR readBuf;
    portRcvState rcvState;
    UINT rcvBufPos;
    UINT sendBufPos;
}SirPort_t, *pSirPort_t;


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

#ifdef __cplusplus
}
#endif

#endif // __SIR_H__