DRESULT disk_write (BYTE drv,const BYTE* buff,DWORD sector,BYTE count)
{
u8 res;
if (drv || !count)
{
return RES_PARERR; //仅支持单磁盘操作，count不能等于0，否则返回参数错误
}
if(SD_Insert_Status())
{
return RES_NOTRDY; //没有检测到SD卡，报NOT READY错误
}
// 读写操作
if(count == 1)
{
res = SD_WriteSingleBlock(sector, buff);
}
else
{
res = SD_WriteMultiBlock(sector, buff, count);
}
// 返回值转换
if(res == 0)
{
return RES_OK;
}
else
{
return RES_ERROR;
}
}
/***************************SD卡写入***********************************/
void Sd_X(void)
{
uint8_t i;
for(i=0;i<=127;i++) Send_Data[i] = 0;
for(i=0;i<=127;i++) Send_Data[i] = Pixel[i];
Send_Data[197] = Left;
Send_Data[198] = Right;
Send_Data[199] = Center;
while(SD_WriteSingleBlock(SD_X,Send_Data) != ESDHC_OK);
SD_X++;
}
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to write (1..255) */
)
{
u8 res;
if (drv || !count)
{
return RES_PARERR; // only supports single disk operation, count is not equal to 0, otherwise parameter error
}
/*
if(!SD_DET())
{
return RES_NOTRDY; // does not detect SD card, NOT READY error reported
} */
// Read and write operations
if(count == 1)
{
res = SD_WriteSingleBlock(sector, buff);
}
else
{
res = SD_WriteMultiBlock(sector, buff, count);
}
// Return value to
if(res == 0)
{
return RES_OK;
}
else
{
return RES_ERROR;
}
}
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to write (1..255) */
)
{
u8 res;
if (drv || !count)
{
return RES_PARERR; //仅支持单磁盘操作，count不能等于0，否则返回参数错误
}
if(!SD_DET())
{
return RES_NOTRDY; //没有检测到SD卡，报NOT READY错误
}
// 读写操作
if(count == 1)
{
res = SD_WriteSingleBlock(sector, buff);
}
else
{
res = SD_WriteMultiBlock(sector, buff, count);
}
// 返回值转换
if(res == 0)
{
return RES_OK;
}
else
{
return RES_ERROR;
}
}
void SDCardReadWriteTextTask(void* parameters)
{
uint8_t outbuf[512];
uint8_t inbuf[512];
int i;
//LED_LowLevel_Init();
//UART_LowLevel_Init();
SD_LowLevel_Init(); //Initialize PINS, vector table and SDIO interface
//UART_SendLine("Ready...Steady\n");
printf("SSD\n\r");
LEDOn(LED2);
//Initialize the SD
SD_Init(); //After return from this function sd is in transfer mode.
//UART_SendLine("GO\n");
printf("SDI\n\r");
LEDOff(LED2);
//Write a single block to the SD
for (i=0;i<512;i++) {
outbuf[i]='a';
}
//Single Block Test
SD_WriteSingleBlock(outbuf, 3000);
SD_ReadSingleBlock(inbuf, 3000);
//UART_SendLine("First Block\n");
//UART_Send(inbuf,512);
printf("\n\r%s", "First Block");
printf("\n\r%i,%i,%i,%i", (int)inbuf[0], (int)inbuf[1], (int)inbuf[2], (int)inbuf[3]);
SD_WriteSingleBlock(outbuf, 3001);
SD_ReadSingleBlock(inbuf, 3001);
//UART_SendLine("Second Block\n");
//UART_Send(inbuf,512);
printf("\n\r%s", "Second Block");
printf("\n\r%i,%i,%i,%i", (int)inbuf[0], (int)inbuf[1], (int)inbuf[2], (int)inbuf[3]);
//Multiple block
SD_StartMultipleBlockWrite(1000);
SD_WriteData(outbuf,500);
SD_WriteData(outbuf+50,50);
SD_WriteData(outbuf,500);
SD_StopMultipleBlockWrite();
SD_ReadSingleBlock(inbuf, 1000);
//UART_SendLine("Mult. Block 1\n");
//UART_Send(inbuf,512);
printf("\n\r%s", "Mult. Block 1");
printf("\n\r%i,%i,%i,%i", (int)inbuf[0], (int)inbuf[1], (int)inbuf[2], (int)inbuf[3]);
SD_WaitTransmissionEnd();
SD_ReadSingleBlock(inbuf, 1001);
//UART_SendLine("Mult. Block 2\n");
//UART_Send(inbuf,512);
printf("\n\r%s", "Mult. Block 2");
printf("\n\r%i,%i,%i,%i", (int)inbuf[0], (int)inbuf[1], (int)inbuf[2], (int)inbuf[3]);
// LEDOn(LED6);
portTickType lastExecutionTime = xTaskGetTickCount();
for (;;)
{
DelayUntilTime( &lastExecutionTime, SDCardReadWriteTextTaskT);
}
}
/*-----------------------------------*/
static int WriteSectors(void * DriveData, DWORD Sector, UINT Sectors, void * Buffer)
{
SDC_CMD_STATUS status;
kal_uint8 retry = 0;
kal_uint32 adrs;
#if defined(__SIM_PLUS__)
sd_select_enum sel;
if((MSDC_HANDLE *)DriveData == &MSDC_Blk[0])
sel = SD_EXT;
else
sel = SD_SIM;
MSDC_Switch_Card(sel);
#endif
#if defined(SD_MMC_HIGH_DENSITY_SUPPORT)
if(gSD->flags & SD_FLAG_HCS_SUPPORT)
adrs = Sector;
else
#endif
adrs = Sector * SECTOR_SIZE;
gMSDC_Handle->timeout_count = 0;
start:
if(!gMSDC_Handle->mIsInitialized)
{
//dbg_print("Write but not Initialized \r\n");
MSDC_PDNControl(KAL_TRUE);
return FS_MSDC_WRITE_SECTOR_ERROR;
}
retry++;
MSDC_PDNControl(KAL_FALSE);
#ifndef LSD_SINGLE_WRITE
if(Sectors > 1)
{
if(gMSDC_Handle->mMSDC_type == SD_CARD)
SD_SetPreEraseBlk(Sectors);
status = SD_WriteMultiBlock((kal_uint32)adrs,(kal_uint32*)Buffer,(kal_uint32)Sectors);
}
else
status = SD_WriteSingleBlock((kal_uint32)adrs,(kal_uint32*)Buffer);
#else
while(Sectors) {
status = SD_WriteSingleBlock((kal_uint32)adrs,(kal_uint32*)Buffer);
if(status != NO_ERROR )
break;
(kal_uint8 *)Buffer += SECTOR_SIZE;
Sector ++;
#if defined(SD_MMC_HIGH_DENSITY_SUPPORT)
if(gSD->flags & SD_FLAG_HCS_SUPPORT)
adrs = Sector;
else
#endif
adrs = Sector * SECTOR_SIZE;
Sectors--;
}
#endif
if(status != NO_ERROR)
{
sd_w++;
if(kal_query_systemInit()== KAL_TRUE)
{
MSDC_PDNControl(KAL_TRUE);
return FS_MSDC_WRITE_SECTOR_ERROR;
}
//dbg_print("write retry:%d,status:%d,total %d\r\n",retry,status,sd_w);
if(status == ERR_CMD_TIMEOUT || status == MSDC_GPT_TIMEOUT_ERR)
gMSDC_Handle->timeout_count++;
if(gMSDC_Handle->timeout_count++ == 3 && gMSDC_Handle->mIsPresent == KAL_TRUE)
{
kal_print("[MSDC]:SD re-mount (write fail)");
gMSDC_Handle->mIsInitialized = KAL_FALSE;
retry = 0;
if(SD_Initialize() != NO_ERROR)
{
MSDC_PDNControl(KAL_TRUE);
return FS_MSDC_WRITE_SECTOR_ERROR;
}
}
if(retry >= SD_MAX_RETRY)
{
MSDC_PDNControl(KAL_TRUE);
return FS_MSDC_WRITE_SECTOR_ERROR;
}
else
{
// kal_prompt_trace(MOD_AUD,"CRC write Error retry %d",retry);
goto start;
}
}
MSDC_PDNControl(KAL_TRUE);
return FS_NO_ERROR;
}