hal_cc2420db.h

ucos在NEC平台下的移植

/*******************************************************************************************************
 *                                                                                                     *
 *        **********                                                                                   *
 *       ************                                                                                  *
 *      ***        ***                                                                                 *
 *      ***   +++   ***                                                                                *
 *      ***   + +   ***                                                                                *
 *      ***   +                        CHIPCON HARDWARE ABSTRACTION LIBRARY FOR THE CC2420             *
 *      ***   + +   ***                               CC2420DB Definitions                             *
 *      ***   +++   ***                                                                                *
 *      ***        ***                                                                                 *
 *       ************                                                                                  *
 *        **********                                                                                   *
 *                                                                                                     *
 *******************************************************************************************************
 * Copyright Chipcon AS, 2004 / NEC Electronics Europe GmbH , 2004                                     *
 *******************************************************************************************************
 * The Chipcon Hardware Abstraction Library is a collection of functions, macros and constants, which  *
 * can be used to ease access to the hardware on the CC2420 and the target microcontroller.            *
 *                                                                                                     *
 * This file contains all definitions that are specific for the KF2 Taste It! development platform.    *
 *******************************************************************************************************
 * Compiler: NEC Electronics PM plus V5.20                                                             *
 * Target platform: 78K0/KF2                                                                           *
 *******************************************************************************************************
 * The revision history is located at the bottom of this file                                          *
 *******************************************************************************************************/
#ifndef HAL_CC2400DB_H
#define HAL_CC2400DB_H


/*******************************************************************************************************
 *******************************************************************************************************
 **************************              NEC 78K0/KF2+ I/O PORTS              **************************
 *******************************************************************************************************
 *******************************************************************************************************/

//-------------------------------------------------------------------------------------------------------
// Port 0
#define MOSI            P0.2  // P0.2 - Output: SPI Master out - slave in (MOSI)
#define MISO            P0.3  // P14.3 - Input:  SPI Master in - slave out (MISO)
#define SCK             P0.4  // P0.4 - Output: SPI Serial Clock (SCLK)
#define SFD             P0.6  // P0.6 - Input:  SFD from CC2420

//-------------------------------------------------------------------------------------------------------
// Port 3
#define FIFOP           P3.0  // P3.0 - Input:  FIFOP from CC2420

//-------------------------------------------------------------------------------------------------------
// Port 4
#define CSN             P4.3  // P4.3 - Output: SPI Chip Select (CS_N)

//-------------------------------------------------------------------------------------------------------
// Port 5
#define VREG_EN         P5.0  // P5.0 - Output: VREG_EN to CC2420
#define RESET_N         P5.1  // P5.1 - Output: RESET_N to CC2420
#define FIFO            P5.2  // P5.2 - Input:  FIFO from CC2420
#define CCA             P5.3  // P5.3 - Input:  CCA from CC2420

//-------------------------------------------------------------------------------------------------------
// Port setup macros

// CC2420 interface config

/* Port Setting Change about P0,P3,P14 */

#define MAC_PORT_INIT()   {  \
   PM0   |= 0xc3;  			 \
   PU0   |= 0x01;            \
   PU0   &= 0xBF;            \
   PM3   = 0xFF;             \
   PU3   |= 0x03;            \
   PU0   |= 0x18;            \
   PU4   |= 0x08;			 \
   SET_VREG_ACTIVE();        \
   SET_WAIT(5000);           \
   SET_RESET_INACTIVE();     \
   SPI_ENABLE();             \
}

// CC2420DB peripheral interface config
// Port7 setting - LEDs
// port 7 = output (8-bits)
// ext. Interrupt setting
// set output latch to 0xff
// setting ext.interrupt 2, 3: negative edge
// enable ext. interrupt 3 (Mask Flag Register)
// enable ext. interrupt 2 (Mask Flag Register)

#define DB_PERIPHERAL_PORT_INIT()   { \
   P7  = 0xFF; \
   PM7 = 0x00; \
   PMK3   = FALSE; \
   PMK2   = FALSE; \
}

// Enables/disables the SPI interface

#define SPI_ENABLE()          { CSIE11=1; CS_ENABLE(); }
#define SPI_DISABLE()         { CS_DISABLE(); CSIE11=0; }
#define SPI_DISABLE_BIS()     { P0 &=0xEF; SPI_DISABLE(); P0 |= 0x10; }
#define CS_ENABLE()           { P4 &= 0xF7; }
#define CS_DISABLE()          { P4 |= 0x08; }

//-------------------------------------------------------------------------------------------------------


/*******************************************************************************************************
 *******************************************************************************************************
 **************************                 CC2420 PIN ACCESS                 **************************
 *******************************************************************************************************
 *******************************************************************************************************/

// Pin status
#define FIFO_IS_1()			(FIFO)
#define CCA_IS_1()			(CCA)
#define RESET_IS_1()		(RESET_N)
#define VREG_IS_1()			(VREG_EN)
#define FIFOP_IS_1()		(FIFOP)
#define SFD_IS_1()			(SFD)

#define FIFO_IS_ACTIVE()            FIFO_IS_1()       // Used in hal.h and hal_cc2420.h
#define RESET_IS_ACTIVE()           !RESET_IS_1()     // Not used
#define VREG_IS_ACTIVE()            VREG_IS_1()       // Not used
#define FIFOP_IS_ACTIVE()           !FIFOP_IS_1()     // Used in mac_rx_engine.c and in hal_cc2420.h
#define SFD_IS_ACTIVE()             SFD_IS_1()
#define CCA_IS_ACTIVE()             CCA_IS_1()        // Used 1 time in mac_tx_engine.c

// The CC2420 reset pin
#define SET_RESET_ACTIVE()          { RESET_N = 0;}
#define SET_RESET_INACTIVE()        { RESET_N = 1;}
// CC2420 voltage regulator enable pin
#define SET_VREG_ACTIVE()           { VREG_EN = 1;}
#define SET_VREG_INACTIVE()         { VREG_EN = 0;}

//MaxChanges
#define SET_WAIT(x)\
    do {\
        UINT16 NumLoop;{\
            for (NumLoop = 0; NumLoop < (x); NumLoop++) { \
                NOP();\
                NOP();\
            } \
        }\
    } while (0)


/*******************************************************************************************************
 *******************************************************************************************************
 **************************               EXTERNAL INTERRUPTS                 **************************
 *******************************************************************************************************
 *******************************************************************************************************/


//-------------------------------------------------------------------------------------------------------
// Rising edge trigger for external interrupt 1 (FIFOP)
#define FIFOP_INT_INIT()            { EGP |= 0x02; EGN &= ~(0x02); CLEAR_FIFOP_INT();}

// FIFOP on 78K0/KF2+ external interrupt 1
///#define ENABLE_FIFOP_INT()          { PMK1 = 0; }
///#define DISABLE_FIFOP_INT()         { PMK1 = 1; }
///#define CLEAR_FIFOP_INT()           { PIF1 = 0; }

#define ENABLE_FIFOP_INT()          {  }
#define DISABLE_FIFOP_INT()         { }
#define CLEAR_FIFOP_INT()           { }
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// SFD interrupt on timer 01 capture pin
#define ENABLE_SFD_CAPTURE_INT()    { TMMK001 = 0; }
#define DISABLE_SFD_CAPTURE_INT()   { TMMK001 = 1; }
#define CLEAR_SFD_CAPTURE_INT()     { TMIF001 = 0; }
//-------------------------------------------------------------------------------------------------------


/*******************************************************************************************************
 *******************************************************************************************************
 **************************               APPLICATION DEBUGGING               **************************
 *******************************************************************************************************
 *******************************************************************************************************/


//-------------------------------------------------------------------------------------------------------
// Controlled application crash (flashes the LEDs forever to indicate an error code)
#define EXCEPTION(n) \
    do { \
        DISABLE_GLOBAL_INT(); \
        SET_LED_MASK(n); \
        halWait(15000); \
        SET_LED_MASK(0); \
        halWait(15000); \
    } while (TRUE)
//-------------------------------------------------------------------------------------------------------


#endif




/*******************************************************************************************************
 * Revision history:
 *
 * Revision 1.0   fr
 * CC2420 MAC Release v0.7
 *
 *******************************************************************************************************/