1.5wuling_zhuanjietou/SYSTEM/bsp_cpu_flash.c

/* 
*********************************************************************************************************
*
*	ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> : cpu<EFBFBD>ڲ<EFBFBD>falsh<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>
*	<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> : bsp_cpu_flash.c
*	<EFBFBD><EFBFBD>    <EFBFBD><EFBFBD> : V1.0
*	˵    <EFBFBD><EFBFBD> : <EFBFBD>ṩ<EFBFBD><EFBFBD>дCPU<EFBFBD>ڲ<EFBFBD>Flash<EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD>
*	<EFBFBD>޸ļ<EFBFBD>¼ :
*		<EFBFBD>汾<EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>        <EFBFBD><EFBFBD><EFBFBD><EFBFBD>     ˵<EFBFBD><EFBFBD>
*
*********************************************************************************************************
*/
#include "Sys.h"
#include "misc.h"
#include "stm32f10x_flash.h"
#include "bsp_cpu_flash.h"
/*
*********************************************************************************************************
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: bsp_GetSector
*	<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: <EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
*	<EFBFBD><EFBFBD>    <EFBFBD>Σ<EFBFBD><EFBFBD><EFBFBD>
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ
*********************************************************************************************************
*/
uint32_t bsp_GetSector(uint32_t _ulWrAddr)
{
	uint32_t sector = 0;

	sector = _ulWrAddr & SECTOR_MASK;

	return sector;
}

/*
*********************************************************************************************************
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: bsp_ReadCpuFlash
*	<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>ȡCPU Flash<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*	<EFBFBD><EFBFBD>    <EFBFBD>Σ<EFBFBD>_ucpDst : Ŀ<EFBFBD>껺<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*			 _ulFlashAddr : <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>ַ
*			 _ulSize : <EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ֽڣ<EFBFBD>
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: 0=<EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD>1=ʧ<EFBFBD><EFBFBD>
*********************************************************************************************************
*/
uint8_t bsp_ReadCpuFlash(uint32_t _ulFlashAddr, uint8_t *_ucpDst, uint32_t _ulSize)
{
	uint32_t i;

	/* <20><><EFBFBD><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>оƬ<D0BE><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򲻸<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	if (_ulFlashAddr + _ulSize > FLASH_BASE_ADDR + FLASH_SIZE)
	{
		return 1;
	}

	/* <20><><EFBFBD><EFBFBD>Ϊ0ʱ<30><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ַΪ<D6B7><CEAA><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	if (_ulSize == 0)
	{
		return 1;
	}

	for (i = 0; i < _ulSize; i++)
	{
		*_ucpDst++ = *(uint8_t *)_ulFlashAddr++;
	}

	return 0;
}

/*
*********************************************************************************************************
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: bsp_CmpCpuFlash
*	<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: <EFBFBD>Ƚ<EFBFBD>Flashָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
*	<EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>: _ulFlashAddr : Flash<EFBFBD><EFBFBD>ַ
*			 _ucpBuf : <EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*			 _ulSize : <EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ֽڣ<EFBFBD>
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ:
*			FLASH_IS_EQU		0   Flash<EFBFBD><EFBFBD><EFBFBD>ݺʹ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*			FLASH_REQ_WRITE		1	Flash<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>д
*			FLASH_REQ_ERASE		2	Flash<EFBFBD><EFBFBD>Ҫ<EFBFBD>Ȳ<EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD>д
*			FLASH_PARAM_ERR		3	<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*********************************************************************************************************
*/
uint8_t bsp_CmpCpuFlash(uint32_t _ulFlashAddr, uint8_t *_ucpBuf, uint32_t _ulSize)
{
	uint32_t i;
	uint8_t ucIsEqu;	/* <20><><EFBFBD>ȱ<EFBFBD>־ */
	uint8_t ucByte;

	/* <20><><EFBFBD><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>оƬ<D0BE><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򲻸<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	if (_ulFlashAddr + _ulSize > FLASH_BASE_ADDR + FLASH_SIZE)
	{
		return FLASH_PARAM_ERR;		/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
	}

	/* <20><><EFBFBD><EFBFBD>Ϊ0ʱ<30><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȷ */
	if (_ulSize == 0)
	{
		return FLASH_IS_EQU;		/* Flash<73><68><EFBFBD>ݺʹ<DDBA>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	}

	ucIsEqu = 1;			/* <20>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽںʹ<DABA>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ 0 */
	for (i = 0; i < _ulSize; i++)
	{
		ucByte = *(uint8_t *)_ulFlashAddr;

		if (ucByte != *_ucpBuf)
		{
			if (ucByte != 0xFF)
			{
				return FLASH_REQ_ERASE;		/* <20><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д */
			}
			else
			{
				ucIsEqu = 0;	/* <20><><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD>Ҫд */
			}
		}

		_ulFlashAddr++;
		_ucpBuf++;
	}

	if (ucIsEqu == 1)
	{
		return FLASH_IS_EQU;	/* Flash<73><68><EFBFBD>ݺʹ<DDBA>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD> */
	}
	else
	{
		return FLASH_REQ_WRITE;	/* Flash<73><68><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>д */
	}
}

/*
*********************************************************************************************************
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: bsp_WriteCpuFlash
*	<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: д<EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD>CPU <EFBFBD>ڲ<EFBFBD>Flash<EFBFBD><EFBFBD>
*	<EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>: _ulFlashAddr : Flash<EFBFBD><EFBFBD>ַ
*			 _ucpSrc : <EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*			 _ulSize : <EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ֽڣ<EFBFBD>
*	<EFBFBD><EFBFBD> <EFBFBD><EFBFBD> ֵ: 0-<EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD>1-<EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2-дFlash<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Flash<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
*********************************************************************************************************
*/
uint8_t bsp_WriteCpuFlash(uint32_t _ulFlashAddr, uint8_t *_ucpSrc, uint32_t _ulSize)
{
	uint32_t i;
	uint8_t ucRet;
	uint16_t usTemp,j;
	FLASH_Status status = FLASH_COMPLETE;

	/* <20><><EFBFBD><EFBFBD>ƫ<EFBFBD>Ƶ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>оƬ<D0BE><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򲻸<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	if (_ulFlashAddr + _ulSize > FLASH_BASE_ADDR + FLASH_SIZE)
	{
		return 1;
	}

	/* <20><><EFBFBD><EFBFBD>Ϊ0 ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  */
	if (_ulSize == 0)
	{
		return 0;
	}

	/* <20><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  */
//	if ((_ulSize % 2) != 0)
//	{
//		return 1;
//	}	
	if ((_ulSize % 2) != 0)
	{
		_ulSize= _ulSize+1;
	}
	ucRet = bsp_CmpCpuFlash(_ulFlashAddr, _ucpSrc, _ulSize);

	if (ucRet == FLASH_IS_EQU)
	{
		return 0;
	}

	__set_PRIMASK(1);  		/* <20><><EFBFBD>ж<EFBFBD> */

	/* FLASH <20><><EFBFBD><EFBFBD> */
	FLASH_Unlock();

  	/* Clear pending flags (if any) */
	FLASH_ClearFlag(FLASH_FLAG_BSY | FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);	

	/* <20><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD> */
//	if (ucRet == FLASH_REQ_ERASE)
	{
		status = FLASH_ErasePage(bsp_GetSector(_ulFlashAddr));
//		if (status != FLASH_COMPLETE)
//		{
//			return 2;
//		}		
	}
j=1000;
while(j--);
	/* <20><><EFBFBD>ֽ<EFBFBD>ģʽ<C4A3><CABD><EFBFBD>̣<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>Ч<EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD><EFBFBD>԰<EFBFBD><D4B0>ֱ<EFBFBD><D6B1>̣<EFBFBD>һ<EFBFBD><D2BB>д<EFBFBD><D0B4>4<EFBFBD>ֽڣ<D6BD> */
	for (i = 0; i < _ulSize / 2; i++)
	{
		//FLASH_ProgramByte(_ulFlashAddr++, *_ucpSrc++);		
		usTemp = _ucpSrc[2 * i];
		usTemp |= (_ucpSrc[2 * i + 1] << 8);
		status = FLASH_ProgramHalfWord(_ulFlashAddr, usTemp);
		if (status != FLASH_COMPLETE)
		{
			break;
		}
		
		_ulFlashAddr += 2;
	}

  	/* Flash <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹдFlash<73><68><EFBFBD>ƼĴ<C6BC><C4B4><EFBFBD> */
  	FLASH_Lock();

  	__set_PRIMASK(0);  		/* <20><><EFBFBD>ж<EFBFBD> */

	if (status == FLASH_COMPLETE)
	{
		return 0;
	}
	return 2;
}

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