hal.h

Filename: hal.h Target: cc2430 Author: EFU/ KJA Revised: 16/12-2005 Revision: 1.0 Description

/*
  V0.1 Initial Release   10/July/2006  RBR
  Port over Tmote        21/December/2006 RS
*/

#ifndef HAL_H
#define HAL_H

#include "compiler.h"
#include "lrwpan_config.h"         //user configurations of the stack parameters
#include "lrwpan_common_types.h"   //types common acrosss most files
#include "evbConfig.h"             //crystal frequency, other evboard specifics

#define PACKET_FOOTER_SIZE  		2
#define SYMBOLS_PER_MAC_TICK()      1    //TMote Sky: tick is meant to be HW increment of TimerA

//timer support
#define SYMBOLS_TO_MACTICKS(x) ((UINT32)(x)/(UINT32)SYMBOLS_PER_MAC_TICK())  
#define MSECS_TO_MACTICKS(x)   ((UINT32)(x)*((UINT32)LRWPAN_SYMBOLS_PER_SECOND/(UINT32)1000)*(UINT32)SYMBOLS_PER_MAC_TICK())

//not needed if 32 bit
#define MACTIMER_MAX_VALUE 0xFFFFFFFF   //16 bit counter TAR + UINT16 halMacTimerOflow

UINT32 halMACTimerNowDelta(UINT32 x);

//#define halMACTimerDelta(x,y) (((UINT32)x-((UINT32)y))& (UINT32)MACTIMER_MAX_VALUE)
#define halMACTimerDelta(x,y) ((UINT32)x-((UINT32)y))

//global macros
#define SAVE_AND_DISABLE_GLOBAL_INTERRUPT(x) {x = READ_SR & GIE; _DINT();}
#define RESTORE_GLOBAL_INTERRUPT(x) {if(x) _EINT();}
#define ENABLE_GLOBAL_INTERRUPT() _EINT()
#define DISABLE_GLOBAL_INTERRUPT() _DINT()

//Tmote Sky UART system
//57600 default for SMCLK 1MHz
//Old setting
/*
#define SMCLK_BAUD_57_6k_UMCTL  0x84
#define SMCLK_BAUD_57_6k_UBR1   0x00
#define SMCLK_BAUD_57_6k_UBR0   0x12
*/

//Tmote Sky UART system
//57600 default for SMCLK 0.5MHz
#define SMCLK_BAUD_57_6k_UMCTL  0x5B
#define SMCLK_BAUD_57_6k_UBR1   0x00
#define SMCLK_BAUD_57_6k_UBR0   0x08

/*
#define halSetBaud(unsigned char baud) do {\
} while (0)
*/

void halIdle (void);

#define HAL_SUSPEND(x)

UINT32 sym_to_ticks(UINT32 x);
UINT32 msecs_to_ticks(UINT32 x);

void evbRadioIntCallback(void);
void halDisableRadio(void);

#endif