drivers.h

用于WSN的PDA搜救器

/**
 * Copyright (c) 2004, Freescale Semiconductor
 * Freescale Confidential Proprietary
 *
 * File name :  drivers.h
 * Project name: SMAC (Simple Media Access Controller)
 *
 * Department : Freescale Radio Products Division
 *
 * Description : This is the SMAC C source driver header file for the HCS08 MCU
 * and MC13192 transceiver. The header defines all externals, prototypes and 
 * MC13192 status mask bits used by the actual C driver.
 *
 * $Author: flr005 $
 * $Date: 2006/02/23 16:24:37 $
 * $Name:  $
 */

#ifndef _DRIVERS_H
#define _DRIVERS_H

#ifdef DRIVERS_GLOBALS
    #define   DRIVERS_EXT
#else
    #define   DRIVERS_EXT  extern
#endif

//#include "MC9S08GB60.h"
#include "pub_def.h"

/********************************************
Typedefs
********************************************/



/* Defines */
/* MC13192 status register interrupt masks. */
#define CLEAR_IRQ_FLAG      IRQSC_IRQACK = 1 /* 
                                              * Dependent upon interrupt source
                                              * chosen. 
                                              */
#define TX_IRQ_MASK         0x0040
#define RAMERR_IRQ_MASK     0x4000
#define RX_IRQ_MASK         0x0080
#define ATTN_IRQ_MASK       0x0400
#define CRC_VALID_MASK      0x0001
#define TIMER1_IRQ_MASK     0x0100
#define TIMER4_IRQ_MASK     0x0010
#define XCVR_SEQ_MASK       0xFFF8
#define LO_LOCK_IRQ_MASK    0x8000
#define CCA_IRQ_MASK        0x0020
#define DOZE_IRQ_MASK       0x0200
#define RESET_BIT_MASK      0x0080



/* Prototypes */

/************************************************************
Function:    void RTXENDeAssert(void)

Parameter:   

Return:      
             
Description: Deassert the MC13192 RTXEN pin (forces IC to idle)
************************************************************/
void RTXENDeAssert(void);

/************************************************************
Function:    void RTXENAssert(void)

Parameter:   

Return:      
             
Description: Assert the MC13192 RTXEN pin (initiates programmed cycle)
************************************************************/
void RTXENAssert(void);

/************************************************************
Function:    void SPIDrvWrite(UINT8 u8Addr, UINT16 u16Content)

Parameter:   u8Addr        address of register 
             u16Content    the value that want to write to the register

Return:      
             
Description: Write 1 word to SPI
************************************************************/
void SPIDrvWrite(UINT8 u8Addr, UINT16 u16Content);

/************************************************************
Function:    UINT16 SPIDrvRead(UINT8 u8Addr)

Parameter:   u8Addr        address of register 
             
Return:      u16Data       u16Data[0] is the MSB, u16Data[1] is the LSB
             
Description: Read 1 word from SPI
************************************************************/
UINT16 SPIDrvRead(UINT8 u8Addr);

/************************************************************
Function:    void RAMDrvWriteTxFifo(UINT8 *psdu, UINT8 psduLength)

Parameter:   psdu        pointer to the packet 
             
Return:      psduLength  length of the packet
             
Description: write the packet to the Tx fifo to transmit
************************************************************/
void RAMDrvWriteTxFifo(UINT8 *psdu, UINT8 psduLength);

/************************************************************
Function:    void RAMDrvWriteTxFifo(UINT8 *psdu, UINT8 psduLength)

Parameter:   psdu        pointer to the packet 
             
Return:      psduLength  length of the packet
             
Description: write the packet to the Tx fifo to transmit
************************************************************/
UINT8 RAMDrvReadRxFifo(UINT8 *psdu, UINT16 BufferSize);

/************************************************************
Function:    CLRWDT()

Parameter:    
             
Return:     
             
Description: feed the dog
************************************************************/
#define   CLRWDT()            SRS = 0x00

/************************************************************
Function:    SaveStatusReg()

Parameter:    
             
Return:     
             
Description: save current status then disable interrupts,this 
             function must use together with RestoreStatusReg()
************************************************************/
#define  SaveStatusReg()   {  UINT8 CCR_reg ;asm PSHA; asm TPA; asm STA CCR_reg; asm SEI ; asm PULA;

/************************************************************
Function:    RestoreStatusReg()

Parameter:    
             
Return:     
             
Description: Restore the status register ,the function must use after SaveStatusReg()
************************************************************/
/*Restore the status register */
#define  RestoreStatusReg()   asm PSHA; asm LDA CCR_reg; asm TAP; asm PULA; }





#endif /* _DRIVERS_H */