104 lines
4.1 KiB
C
104 lines
4.1 KiB
C
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/**************************************************************************************************
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Filename: hal_startup.c
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Revised: $Date: 2010-01-28 16:31:53 -0800 (Thu, 28 Jan 2010) $
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Revision: $Revision: 21613 $
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Description: Contains code that needs to run before main()
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Copyright 2008 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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/**************************************************************************************************
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* INCLUDES
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*************************************************************************************************/
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#include "hal_board.h"
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#include "hal_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#pragma language=extended
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//
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// Locate low_level_init in the CSTART module
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//
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#pragma location="CSTART"
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//
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// If the code model is banked, low_level_init must be declared
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// __near_func elsa a ?BRET is performed
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//
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#if (__CODE_MODEL__ == 2)
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__near_func __root char
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#else
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__root char
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#endif
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__low_level_init(void);
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/**************************************************************************************************
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* @fn __low_level_init
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*
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* @brief The function __low_level_init is called by the start-up code before doing
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* the normal initialization of data segments. If the return value is zero,
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* initialization is not performed.
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*
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* @param None
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*
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* @return 0 - don't intialize data segments / 1 - do initialization
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**************************************************************************************************/
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#if (__CODE_MODEL__ == 2)
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__near_func __root char
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#else
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__root char
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#endif
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__low_level_init(void)
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{
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/*==================================*/
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/* Initialize hardware. */
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/*==================================*/
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// Map flash bank #1 into XDATA for access to "ROM mapped as data".
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MEMCTR = (MEMCTR & 0xF8) | 0x01;
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/*==================================*/
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/* Choose if segment initialization */
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/* should be done or not. */
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/* Return: 0 to omit seg_init */
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/* 1 to run seg_init */
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/*==================================*/
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return 1;
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}
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#pragma language=default
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#ifdef __cplusplus
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}
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#endif
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