rt-thread-official/bsp/lpc824/Libraries/peri_driver/iap/iap.c

180 lines
4.8 KiB
C

/*
* @brief Common FLASH support functions
*
* @note
* Copyright(C) NXP Semiconductors, 2013
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
#include "chip.h"
/*****************************************************************************
* Private types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Private functions
****************************************************************************/
/*****************************************************************************
* Public functions
****************************************************************************/
/* Prepare sector for write operation */
uint8_t Chip_IAP_PreSectorForReadWrite(uint32_t strSector, uint32_t endSector)
{
uint32_t command[5], result[5];
command[0] = IAP_PREWRRITE_CMD;
command[1] = strSector;
command[2] = endSector;
iap_entry(command, result);
return result[0];
}
/* Copy RAM to flash */
uint8_t Chip_IAP_CopyRamToFlash(uint32_t dstAdd, uint32_t *srcAdd, uint32_t byteswrt)
{
uint32_t command[5], result[5];
command[0] = IAP_WRISECTOR_CMD;
command[1] = dstAdd;
command[2] = (uint32_t) srcAdd;
command[3] = byteswrt;
command[4] = SystemCoreClock / 1000;
iap_entry(command, result);
return result[0];
}
/* Erase sector */
uint8_t Chip_IAP_EraseSector(uint32_t strSector, uint32_t endSector)
{
uint32_t command[5], result[5];
command[0] = IAP_ERSSECTOR_CMD;
command[1] = strSector;
command[2] = endSector;
command[3] = SystemCoreClock / 1000;
iap_entry(command, result);
return result[0];
}
/* Blank check sector */
uint8_t Chip_IAP_BlankCheckSector(uint32_t strSector, uint32_t endSector)
{
uint32_t command[5], result[5];
command[0] = IAP_BLANK_CHECK_SECTOR_CMD;
command[1] = strSector;
command[2] = endSector;
iap_entry(command, result);
return result[0];
}
/* Read part identification number */
uint32_t Chip_IAP_ReadPID(void)
{
uint32_t command[5], result[5];
command[0] = IAP_REPID_CMD;
iap_entry(command, result);
return result[1];
}
/* Read boot code version number */
uint32_t Chip_IAP_ReadBootCode(void)
{
uint32_t command[5], result[5];
command[0] = IAP_READ_BOOT_CODE_CMD;
iap_entry(command, result);
return result[1] & 0xffff;
}
/* IAP compare */
uint8_t Chip_IAP_Compare(uint32_t dstAdd, uint32_t srcAdd, uint32_t bytescmp)
{
uint32_t command[5], result[5];
command[0] = IAP_COMPARE_CMD;
command[1] = dstAdd;
command[2] = srcAdd;
command[3] = bytescmp;
iap_entry(command, result);
return result[0];
}
/* Reinvoke ISP */
uint8_t Chip_IAP_ReinvokeISP(void)
{
uint32_t command[5], result[5];
command[0] = IAP_REINVOKE_ISP_CMD;
iap_entry(command, result);
return result[0];
}
/* Read the unique ID */
uint32_t Chip_IAP_ReadUID(uint32_t* uid)
{
uint32_t command[5], result[5];
uint32_t i;
command[0] = IAP_READ_UID_CMD;
iap_entry(command, result);
for (i=0; i<4; i++)
*(uid+i) = result[i+1];
return result[0];
}
/* Erase page */
uint8_t Chip_IAP_ErasePage(uint32_t strPage, uint32_t endPage)
{
uint32_t command[5], result[5];
command[0] = IAP_ERASE_PAGE_CMD;
command[1] = strPage;
command[2] = endPage;
command[3] = SystemCoreClock / 1000;
iap_entry(command, result);
return result[0];
}