191 lines
8.6 KiB
C
191 lines
8.6 KiB
C
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/**************************************************************************************************
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Filename: hal_mcu.h
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Revised: $Date: 2012-03-29 12:09:02 -0700 (Thu, 29 Mar 2012) $
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Revision: $Revision: 29943 $
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Description: Describe the purpose and contents of the file.
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Copyright 2006-2010 Texas Instruments Incorporated. All rights reserved.
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IMPORTANT: Your use of this Software is limited to those specific rights
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granted under the terms of a software license agreement between the user
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who downloaded the software, his/her employer (which must be your employer)
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and Texas Instruments Incorporated (the "License"). You may not use this
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Software unless you agree to abide by the terms of the License. The License
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limits your use, and you acknowledge, that the Software may not be modified,
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copied or distributed unless embedded on a Texas Instruments microcontroller
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or used solely and exclusively in conjunction with a Texas Instruments radio
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frequency transceiver, which is integrated into your product. Other than for
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the foregoing purpose, you may not use, reproduce, copy, prepare derivative
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works of, modify, distribute, perform, display or sell this Software and/or
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its documentation for any purpose.
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YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE
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PROVIDED <EFBFBD>AS IS<EFBFBD> WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED,
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INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE,
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NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL
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TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT,
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NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER
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LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES
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INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE
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OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT
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OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES
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(INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS.
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Should you have any questions regarding your right to use this Software,
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contact Texas Instruments Incorporated at www.TI.com.
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**************************************************************************************************/
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#ifndef _HAL_MCU_H
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#define _HAL_MCU_H
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/*
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* Target : Texas Instruments CC2530 (8051 core)
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*
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*/
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/* ------------------------------------------------------------------------------------------------
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* Includes
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* ------------------------------------------------------------------------------------------------
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*/
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#include "hal_defs.h"
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#include "hal_types.h"
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/* ------------------------------------------------------------------------------------------------
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* Target Defines
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* ------------------------------------------------------------------------------------------------
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*/
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#define HAL_MCU_CC2530
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/* ------------------------------------------------------------------------------------------------
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* Compiler Abstraction
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* ------------------------------------------------------------------------------------------------
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*/
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/* ---------------------- IAR Compiler ---------------------- */
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#ifdef __IAR_SYSTEMS_ICC__
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#include <ioCC2530.h>
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#define HAL_COMPILER_IAR
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#define HAL_MCU_LITTLE_ENDIAN() __LITTLE_ENDIAN__
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#define _PRAGMA(x) _Pragma(#x)
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#define HAL_ISR_FUNC_DECLARATION(f,v) _PRAGMA(vector=v) __near_func __interrupt void f(void)
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#define HAL_ISR_FUNC_PROTOTYPE(f,v) _PRAGMA(vector=v) __near_func __interrupt void f(void)
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#define HAL_ISR_FUNCTION(f,v) HAL_ISR_FUNC_PROTOTYPE(f,v); HAL_ISR_FUNC_DECLARATION(f,v)
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/* ---------------------- Keil Compiler ---------------------- */
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#elif defined __KEIL__
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#include <CC2530.h>
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#define HAL_COMPILER_KEIL
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#define HAL_MCU_LITTLE_ENDIAN() 0
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#define HAL_ISR_FUNC_DECLARATION(f,v) void f(void) interrupt v
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#define HAL_ISR_FUNC_PROTOTYPE(f,v) void f(void)
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#define HAL_ISR_FUNCTION(f,v) HAL_ISR_FUNC_PROTOTYPE(f,v); HAL_ISR_FUNC_DECLARATION(f,v)
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/* ------------------ Unrecognized Compiler ------------------ */
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#else
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#error "ERROR: Unknown compiler."
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#endif
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/* ------------------------------------------------------------------------------------------------
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* Interrupt Macros
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* ------------------------------------------------------------------------------------------------
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*/
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#define HAL_ENABLE_INTERRUPTS() st( EA = 1; )
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#define HAL_DISABLE_INTERRUPTS() st( EA = 0; )
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#define HAL_INTERRUPTS_ARE_ENABLED() (EA)
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typedef unsigned char halIntState_t;
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#define HAL_ENTER_CRITICAL_SECTION(x) st( x = EA; HAL_DISABLE_INTERRUPTS(); )
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#define HAL_EXIT_CRITICAL_SECTION(x) st( EA = x; )
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#define HAL_CRITICAL_STATEMENT(x) st( halIntState_t _s; HAL_ENTER_CRITICAL_SECTION(_s); x; HAL_EXIT_CRITICAL_SECTION(_s); )
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#ifdef __IAR_SYSTEMS_ICC__
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/* IAR library uses XCH instruction with EA. It may cause the higher priority interrupt to be
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* locked out, therefore, may increase interrupt latency. It may also create a lockup condition.
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* This workaround should only be used with 8051 using IAR compiler. When IAR fixes this by
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* removing XCH usage in its library, compile the following macros to null to disable them.
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*/
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#define HAL_ENTER_ISR() { halIntState_t _isrIntState = EA; HAL_ENABLE_INTERRUPTS();
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#define HAL_EXIT_ISR() EA = _isrIntState; }
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#else
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#define HAL_ENTER_ISR()
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#define HAL_EXIT_ISR()
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#endif /* __IAR_SYSTEMS_ICC__ */
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/* ------------------------------------------------------------------------------------------------
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* Reset Macro
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* ------------------------------------------------------------------------------------------------
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*/
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#define WD_EN BV(3)
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#define WD_MODE BV(2)
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#define WD_INT_1900_USEC (BV(0) | BV(1))
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#define WD_RESET1 (0xA0 | WD_EN | WD_INT_1900_USEC)
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#define WD_RESET2 (0x50 | WD_EN | WD_INT_1900_USEC)
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#define WD_KICK() st( WDCTL = (0xA0 | WDCTL & 0x0F); WDCTL = (0x50 | WDCTL & 0x0F); )
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/* disable interrupts, set watchdog timer, wait for reset */
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#define HAL_SYSTEM_RESET() st( HAL_DISABLE_INTERRUPTS(); WDCTL = WD_RESET1; WDCTL = WD_RESET2; for(;;); )
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/* ------------------------------------------------------------------------------------------------
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* CC2530 rev numbers
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* ------------------------------------------------------------------------------------------------
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*/
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#define REV_A 0x00 /* workaround turned off */
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#define REV_B 0x11 /* PG1.1 */
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#define REV_C 0x20 /* PG2.0 */
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#define REV_D 0x21 /* PG2.1 */
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/* ------------------------------------------------------------------------------------------------
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* CC2530 sleep common code
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* ------------------------------------------------------------------------------------------------
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*/
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/* PCON bit definitions */
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#define PCON_IDLE BV(0) /* Writing 1 to force CC2530 to enter sleep mode */
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/* SLEEPCMD bit definitions */
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#define OSC_PD BV(2) /* Idle Osc: powered down=1 */
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#define PMODE (BV(1) | BV(0)) /* Power mode bits */
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/* SLEEPSTA bit definitions */
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#define XOSC_STB BV(6) /* XOSC: powered, stable=1 */
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#define HFRC_STB BV(5) /* HFRCOSC: powered, stable=1 */
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/* SLEEPCMD and SLEEPSTA bit definitions */
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#define OSC_PD BV(2) /* 0: Both oscillators powered up and stable
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* 1: oscillators not stable */
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/* CLKCONCMD bit definitions */
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#define OSC BV(6)
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#define TICKSPD(x) (x << 3)
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#define CLKSPD(x) (x << 0)
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#define CLKCONCMD_32MHZ (0)
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#define CLKCONCMD_16MHZ (CLKSPD(1) | TICKSPD(1) | OSC)
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/* STLOAD */
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#define LDRDY BV(0) /* Load Ready. This bit is 0 while the sleep timer
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* loads the 24-bit compare value and 1 when the sleep
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* timer is ready to start loading a newcompare value. */
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#ifdef POWER_SAVING
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extern volatile __data uint8 halSleepPconValue;
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/* Any ISR that is used to wake up the chip shall call this macro. This prevents the race condition
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* when the PCON IDLE bit is set after such a critical ISR fires during the prep for sleep.
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*/
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#define CLEAR_SLEEP_MODE() st( halSleepPconValue = 0; )
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#define ALLOW_SLEEP_MODE() st( halSleepPconValue = PCON_IDLE; )
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#else
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#define CLEAR_SLEEP_MODE()
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#define ALLOW_SLEEP_MODE()
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#endif
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/**************************************************************************************************
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*/
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#endif
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