📄 w25x32_wr.c

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/**------------------------------------------------------------------------------------------------------
** Created by:			
** Created date:		
** Version:				
** Descriptions:		使用LPC2300系列ARM的SSP DMA,操作W25X32。
**
********************************************************************************************************/
#include  	"config.h" 

/* 全局变量定义 */
//uint8	InitDatas[8] 			= {0x35, 0x45, 0x55, 0x36, 0x37, 0x38, 0x39, 0x30};

//uint8	RdCmdBuf[5] 			= {0x0B, 0x0, 0x20, 0x07, 0xFF}; 			 		// 该数组用于存放对FLASH的读操作初始化信息,仅由SSPDMA_Snd函数访问,发送完这组数据后,Flash进入读数据状态
//uint8	WaitCmdbuf[8]   		= {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};	// 每发送一个0xff到Flash,Flash会返回一个数据

//max add for extend flash r/w area
uint8	setup_sec=SETUP_PARAMS_SEC; 			//设定参数存放的起始扇区号
uint8	work_sec= WORK_PARAMS_SEC; 			//工作参数存放的起始扇区号
uint8	custom_sec=CUSTOM_PARAMS_SEC;		//终端自用，无须上传，自定义参数存放的起始扇区号
uint8	mileage_sec=MILEAGE_ACC_SEC;			//存储里程数及ACC开关状态的起始扇区号

uint8	Ini_Sec_counter(uint8* , uint8 , uint8);
uint8	Reset_All_Sec(void);
uint8	Test_Count_Sec(uint8, uint16, uint8);
uint8	Dump_Sec(uint8);
uint8	UART3_output_digit(uint16, uint8);

void  DelayS(uint32  dly)
{  uint32  i;

   for(; dly>0; dly--) 
      for(i=0; i<5000; i++);
 }
 
uint8 W25X32_READ(uint32 Oid_Addr,  uint32 Oid_Len,  uint8 * Buff)
{
/* 		中断方式下DMA发送和接收 			*/
//	OS_ENTER_CRITICAL();
	DelayS(20);
	W25X32_RD(Oid_Addr,Oid_Len,Buff);
	
//	OS_EXIT_CRITICAL();
	return 	TRUE;	
	
}

uint8 W25X32_READ_2(uint32 Oid_Addr,  uint32 Oid_Len,  uint8 * Buff)
{
										
//	OS_ENTER_CRITICAL();
	DelayS(20);
	W25X32_RD_2(Oid_Addr,Oid_Len,Buff);
	
//	OS_EXIT_CRITICAL();
	return 	TRUE;	
	
}


/********************************************************************************************************
** 函数名称：W25X32_INIT
** 函数功能：调用软件包,演示使用SSP DMA操作W25X32
** 入口参数：无
** 出口参数：返回0则表明出错	
** 调试说明：在Flash中运行														
********************************************************************************************************/
uint8 W25X32_INIT(void)
{ 
	/* 完成SSP初始化 */
	SSP_Init();										// 初始化SSP管脚以及SSP的工作参数

#if 1
	//Reset_All_Sec();									//erase flash all sector
	Ini_Sec_counter( &setup_sec, 'S', SETUP_PARAMS_SEC );
	Ini_Sec_counter( &work_sec, 'W', WORK_PARAMS_SEC );
	Ini_Sec_counter( &custom_sec, 'C', CUSTOM_PARAMS_SEC );
	Ini_Sec_counter( &mileage_sec, 'M', MILEAGE_ACC_SEC );
#endif	
	
   return (TRUE); 
}

// 将buff写入从地址Oid_Addr开始的Flash存储单元里
uint8 W25X32_WRITE(uint32 Oid_Addr,  uint32 Oid_Len,  uint8 * Buff,  uint32  Data_Size)
{
	const	uint8	pageLen=0xff;
	uint8	i=0; 
	//uint8	temp[SEC_SIZE];
	uint8	*	temp;

#if defined(SYSTEM_SEMCONTROL)
				INT8U SysFlashErr;
				OSSemPend(gw_pSysFlashSem, 0, &SysFlashErr);
#else
				OSSchedLock();
#endif // end of #if defined(SYSTEM_SEMCONTROL)

	OSMemQuery(IntBuffer_Big,&MemInfo);
	if(MemInfo.OSNFree > (uint8)(Data_Size/BlockSize_Big))
	{
		temp=(INT8U *)OSMemGet(IntBuffer_Big,&err);
		//使用获得的内存块
		if( (Oid_Addr+Oid_Len)/SEC_SIZE	> Oid_Addr/SEC_SIZE )
		{
			
			W25X32_READ(GetAddr(Oid_Addr/SEC_SIZE,0),Data_Size,temp);
			W25X32_Erase(Oid_Addr/SEC_SIZE, Oid_Addr/SEC_SIZE); 
			memmove(temp+Oid_Addr%SEC_SIZE,Buff,Oid_Len-(Oid_Addr+Oid_Len)%SEC_SIZE);
			for(i=0;i<Data_Size/pageLen;i++)
			{
				W25X32_WR(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,pageLen);
				OSTimeDly(3);
			}
			if(Data_Size%pageLen>0)
			{
				OSTimeDly(3);
				W25X32_WR(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,Data_Size%pageLen);
			}
			W25X32_READ(GetAddr((Oid_Addr+Oid_Len)/SEC_SIZE,0),Data_Size,temp);
			W25X32_Erase((Oid_Addr+Oid_Len)/SEC_SIZE, (Oid_Addr+Oid_Len)/SEC_SIZE); 
			memmove(temp,Buff+Oid_Len-(Oid_Addr+Oid_Len)%SEC_SIZE,(Oid_Addr+Oid_Len)%SEC_SIZE);
			for(i=0;i<Data_Size/pageLen;i++)
			{
				W25X32_WR(GetAddr((Oid_Addr+Oid_Len)/SEC_SIZE,i*pageLen),temp+i*pageLen,pageLen);
				OSTimeDly(3);
			}
			if(Data_Size%pageLen>0)
			{
				OSTimeDly(3);
				W25X32_WR(GetAddr((Oid_Addr+Oid_Len)/SEC_SIZE,i*pageLen),temp+i*pageLen,Data_Size%pageLen);
			}
		}
		else
		{
			W25X32_READ(GetAddr(Oid_Addr/SEC_SIZE,0),Data_Size,temp);
			W25X32_Erase(Oid_Addr/SEC_SIZE, Oid_Addr/SEC_SIZE); 
			memmove(temp+Oid_Addr%SEC_SIZE,Buff,Oid_Len);
			for(i=0;i<Data_Size/pageLen;i++)
			{
				W25X32_WR(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,pageLen);
				OSTimeDly(3);
			}
			if(Data_Size%pageLen>0)
			{
				OSTimeDly(3);
				W25X32_WR(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,Data_Size%pageLen);
			}
		}
		//memset(temp,0,sizeof(temp));
		//W25X32_READ(GetAddr(FIRSTSEC,Oid_Addr),Oid_Len,temp);
		//释放获得的内存块
		OSMemPut(IntBuffer_Big,temp);
	}
	else 
	{
#if defined(UART_SEMCONTROL)
				OSSemPost(gw_pSysFlashSem);
#else
				OSSchedUnlock();
#endif // end of #if defined(SYSTEM_SEMCONTROL)
		return	FALSE;	
	}
#if defined(UART_SEMCONTROL)
				OSSemPost(gw_pSysFlashSem);
#else
				OSSchedUnlock();
#endif // end of #if defined(SYSTEM_SEMCONTROL)	
	return	TRUE;
		    	
}

uint8	W25X32_WRITE_2(uint32	Oid_Addr,uint32		Oid_Len,uint8	*	Buff,uint32	Data_Size)

{
	const	uint8	pageLen=0xff;
	uint8	i=0; 
	//uint8	temp[SEC_SIZE];
	uint8	*	temp;
#if defined(SYSTEM_SEMCONTROL)
				INT8U SysFlashErr;
				OSSemPend(gw_pSysFlashSem, 0, &SysFlashErr);
#else
				OSSchedLock();
#endif // end of #if defined(SYSTEM_SEMCONTROL)
	
	OSMemQuery(IntBuffer_Big,&MemInfo);
	if(MemInfo.OSNFree > (uint8)(Data_Size/BlockSize_Big))
	{
		temp=(INT8U *)OSMemGet(IntBuffer_Big,&err);
		//使用获得的内存块
		if( ((Oid_Addr+Oid_Len)/SEC_SIZE)	> (Oid_Addr/SEC_SIZE) )
		{
			
			W25X32_READ_2(GetAddr(Oid_Addr/SEC_SIZE,0),Data_Size,temp);
			W25X32_Erase_2(Oid_Addr/SEC_SIZE, Oid_Addr/SEC_SIZE); 
			memmove(temp+Oid_Addr%SEC_SIZE,Buff,Oid_Len-(Oid_Addr+Oid_Len)%SEC_SIZE);
			for(i=0;i<Data_Size/pageLen;i++)
			{
				W25X32_WR_2(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,pageLen);
				OSTimeDly(3);
			}
			if(Data_Size%pageLen>0)
			{
				OSTimeDly(3);
				W25X32_WR_2(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,Data_Size%pageLen);
			}
			W25X32_READ_2(GetAddr((Oid_Addr+Oid_Len)/SEC_SIZE,0),Data_Size,temp);
			W25X32_Erase_2((Oid_Addr+Oid_Len)/SEC_SIZE, (Oid_Addr+Oid_Len)/SEC_SIZE); 
			memmove(temp,Buff+Oid_Len-(Oid_Addr+Oid_Len)%SEC_SIZE,(Oid_Addr+Oid_Len)%SEC_SIZE);
			for(i=0;i<Data_Size/pageLen;i++)
			{
				W25X32_WR_2(GetAddr((Oid_Addr+Oid_Len)/SEC_SIZE,i*pageLen),temp+i*pageLen,pageLen);
				OSTimeDly(3);
			}
			if(Data_Size%pageLen>0)
			{
				OSTimeDly(3);
				W25X32_WR_2(GetAddr((Oid_Addr+Oid_Len)/SEC_SIZE,i*pageLen),temp+i*pageLen,Data_Size%pageLen);
			}
		}
		else
		{
			W25X32_READ_2(GetAddr(Oid_Addr/SEC_SIZE,0),Data_Size,temp);
			W25X32_Erase_2(Oid_Addr/SEC_SIZE, Oid_Addr/SEC_SIZE); 
			memmove(temp+Oid_Addr%SEC_SIZE,Buff,Oid_Len);
			for(i=0;i<Data_Size/pageLen;i++)
			{	
				W25X32_WR_2(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,pageLen);
				OSTimeDly(3);
			}
			if(Data_Size%pageLen>0)
			{
				OSTimeDly(3);
				W25X32_WR_2(GetAddr(Oid_Addr/SEC_SIZE,i*pageLen),temp+i*pageLen,Data_Size%pageLen);
			}
		}
		//memset(temp,0,sizeof(temp));
		//W25X32_READ(GetAddr(FIRSTSEC,Oid_Addr),Oid_Len,temp);
		//释放获得的内存块
		OSMemPut(IntBuffer_Big,temp);
	}
	else
	{
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