/**************************************************************************************************
Filename: hal_mcu.h
Revised: $Date: 2012-03-29 12:09:02 -0700 (Thu, 29 Mar 2012) $
Revision: $Revision: 29943 $
Description: Describe the purpose and contents of the file.
Copyright 2006-2010 Texas Instruments Incorporated. All rights reserved.
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**************************************************************************************************/
#ifndef _HAL_MCU_H
#define _HAL_MCU_H
/*
* Target : Texas Instruments CC2530 (8051 core)
*
*/
/* ------------------------------------------------------------------------------------------------
* Includes
* ------------------------------------------------------------------------------------------------
*/
#include "hal_defs.h"
#include "hal_types.h"
/* ------------------------------------------------------------------------------------------------
* Target Defines
* ------------------------------------------------------------------------------------------------
*/
#define HAL_MCU_CC2530
/* ------------------------------------------------------------------------------------------------
* Compiler Abstraction
* ------------------------------------------------------------------------------------------------
*/
/* ---------------------- IAR Compiler ---------------------- */
#ifdef __IAR_SYSTEMS_ICC__
#include <ioCC2530.h>
#define HAL_COMPILER_IAR
#define HAL_MCU_LITTLE_ENDIAN() __LITTLE_ENDIAN__
#define _PRAGMA(x) _Pragma(#x)
#define HAL_ISR_FUNC_DECLARATION(f,v) _PRAGMA(vector=v) __near_func __interrupt void f(void)
#define HAL_ISR_FUNC_PROTOTYPE(f,v) _PRAGMA(vector=v) __near_func __interrupt void f(void)
#define HAL_ISR_FUNCTION(f,v) HAL_ISR_FUNC_PROTOTYPE(f,v); HAL_ISR_FUNC_DECLARATION(f,v)
/* ---------------------- Keil Compiler ---------------------- */
#elif defined __KEIL__
#include <CC2530.h>
#define HAL_COMPILER_KEIL
#define HAL_MCU_LITTLE_ENDIAN() 0
#define HAL_ISR_FUNC_DECLARATION(f,v) void f(void) interrupt v
#define HAL_ISR_FUNC_PROTOTYPE(f,v) void f(void)
#define HAL_ISR_FUNCTION(f,v) HAL_ISR_FUNC_PROTOTYPE(f,v); HAL_ISR_FUNC_DECLARATION(f,v)
/* ------------------ Unrecognized Compiler ------------------ */
#else
#error "ERROR: Unknown compiler."
#endif
/* ------------------------------------------------------------------------------------------------
* Interrupt Macros
* ------------------------------------------------------------------------------------------------
*/
#define HAL_ENABLE_INTERRUPTS() st( EA = 1; )
#define HAL_DISABLE_INTERRUPTS() st( EA = 0; )
#define HAL_INTERRUPTS_ARE_ENABLED() (EA)
typedef unsigned char halIntState_t;
#define HAL_ENTER_CRITICAL_SECTION(x) st( x = EA; HAL_DISABLE_INTERRUPTS(); )
#define HAL_EXIT_CRITICAL_SECTION(x) st( EA = x; )
#define HAL_CRITICAL_STATEMENT(x) st( halIntState_t _s; HAL_ENTER_CRITICAL_SECTION(_s); x; HAL_EXIT_CRITICAL_SECTION(_s); )
#ifdef __IAR_SYSTEMS_ICC__
/* IAR library uses XCH instruction with EA. It may cause the higher priority interrupt to be
* locked out, therefore, may increase interrupt latency. It may also create a lockup condition.
* This workaround should only be used with 8051 using IAR compiler. When IAR fixes this by
* removing XCH usage in its library, compile the following macros to null to disable them.
*/
#define HAL_ENTER_ISR() { halIntState_t _isrIntState = EA; HAL_ENABLE_INTERRUPTS();
#define HAL_EXIT_ISR() EA = _isrIntState; }
#else
#define HAL_ENTER_ISR()
#define HAL_EXIT_ISR()
#endif /* __IAR_SYSTEMS_ICC__ */
/* ------------------------------------------------------------------------------------------------
* Reset Macro
* ------------------------------------------------------------------------------------------------
*/
#define WD_EN BV(3)
#define WD_MODE BV(2)
#define WD_INT_1900_USEC (BV(0) | BV(1))
#define WD_RESET1 (0xA0 | WD_EN | WD_INT_1900_USEC)
#define WD_RESET2 (0x50 | WD_EN | WD_INT_1900_USEC)
#define WD_KICK() st( WDCTL = (0xA0 | WDCTL & 0x0F); WDCTL = (0x50 | WDCTL & 0x0F); )
/* disable interrupts, set watchdog timer, wait for reset */
#define HAL_SYSTEM_RESET() st( HAL_DISABLE_INTERRUPTS(); WDCTL = WD_RESET1; WDCTL = WD_RESET2; for(;;); )
/* ------------------------------------------------------------------------------------------------
* CC2530 rev numbers
* ------------------------------------------------------------------------------------------------
*/
#define REV_A 0x00 /* workaround turned off */
#define REV_B 0x11 /* PG1.1 */
#define REV_C 0x20 /* PG2.0 */
#define REV_D 0x21 /* PG2.1 */
/* ------------------------------------------------------------------------------------------------
* CC2530 sleep common code
* ------------------------------------------------------------------------------------------------
*/
/* PCON bit definitions */
#define PCON_IDLE BV(0) /* Writing 1 to force CC2530 to enter sleep mode */
/* SLEEPCMD bit definitions */
#define OSC_PD BV(2) /* Idle Osc: powered down=1 */
#define PMODE (BV(1) | BV(0)) /* Power mode bits */
/* SLEEPSTA bit definitions */
#define XOSC_STB BV(6) /* XOSC: powered, stable=1 */
#define HFRC_STB BV(5) /* HFRCOSC: powered, stable=1 */
/* SLEEPCMD and SLEEPSTA bit definitions */
#define OSC_PD BV(2) /* 0: Both oscillators powered up and stable
* 1: oscillators not stable */
/* CLKCONCMD bit definitions */
#define OSC BV(6)
#define TICKSPD(x) (x << 3)
#define CLKSPD(x) (x << 0)
#define CLKCONCMD_32MHZ (0)
#define CLKCONCMD_16MHZ (CLKSPD(1) | TICKSPD(1) | OSC)
/* STLOAD */
#define LDRDY BV(0) /* Load Ready. This bit is 0 while the sleep timer
* loads the 24-bit compare value and 1 when the sleep
* timer is ready to start loading a newcompare value. */
#ifdef POWER_SAVING
extern volatile __data uint8 halSleepPconValue;
/* Any ISR that is used to wake up the chip shall call this macro. This prevents the race condition
* when the PCON IDLE bit is set after such a critical ISR fires during the prep for sleep.
*/
#define CLEAR_SLEEP_MODE() st( halSleepPconValue = 0; )
#define ALLOW_SLEEP_MODE() st( halSleepPconValue = PCON_IDLE; )
#else
#define CLEAR_SLEEP_MODE()
#define ALLOW_SLEEP_MODE()
#endif
/**************************************************************************************************
*/
#endif