[BSP] Update sdcard driver in mini4020

This commit is contained in:
Bernard Xiong 2018-03-04 17:37:16 +08:00
parent 8203b6004b
commit f6a7136226
2 changed files with 586 additions and 585 deletions

View File

@ -14,15 +14,14 @@
* 2010-10-13 Wangmeng Added sep4020 support
*/
#include "sdcard.h"
//#include <dfs_config.h>
#include <rtthread.h>
volatile rt_int32_t RCA;
#include "sdcard.h"
#ifdef RT_USING_DFS
volatile rt_int32_t RCA;
/* RT-Thread Device Driver Interface */
#include <rtthread.h>
#include <dfs_fs.h>
/*GLOBAL SD DEVICE PONITER*/
@ -57,14 +56,16 @@ static void sd_pwr(int sd_ctl)
}
/*a nop operation to delay*/
static void delay (U32 j)
static void delay(U32 j)
{
U32 i;
for (i=0;i<j;i++)
{};
for (i = 0; i < j; i++)
{
/* nothing */
}
}
/*
* Send the command to set the data transfer mode
* @param cmd:the command to sent
@ -74,120 +75,117 @@ static void delay (U32 j)
* @param num:number of blocks
* @param mask:sdc interrupt mask
*/
static rt_err_t cmd_data(U16 cmd,U32 arg,U16 mode,U16 blk_len,U16 num,U16 mask)
static rt_err_t cmd_data(U16 cmd, U32 arg, U16 mode, U16 blk_len, U16 num, U16 mask)
{
U32 i;
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
U32 to = 10000;
#endif
#endif
*(RP)SDC_CLOCK_CONTROL = 0Xff00; //配置SD时钟512分频,关闭SD 时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff04; //打开SD时钟512分频,开启SD 时钟
*(RP)SDC_INTERRUPT_STATUS_MASK = mask; //中断状态屏蔽寄存器赋值
*(RP)SDC_CLOCK_CONTROL = 0Xff00;
*(RP)SDC_CLOCK_CONTROL = 0Xff04;
*(RP)SDC_INTERRUPT_STATUS_MASK = mask;
*(RP)SDC_TRANSFER_MODE = mode; //传输模式选择寄存器赋值
*(RP)SDC_TRANSFER_MODE = mode;
*(RP)SDC_BLOCK_SIZE = blk_len; //数据块长度寄存器赋值
*(RP)SDC_BLOCK_COUNT = num; //数据块数目寄存器赋值
*(RP)SDC_ARGUMENT = arg; //命令参数寄存器赋值
*(RP)SDC_COMMAND = cmd; //命令控制寄存器赋值
*(RP)SDC_BLOCK_SIZE = blk_len;
*(RP)SDC_BLOCK_COUNT = num;
*(RP)SDC_ARGUMENT = arg;
*(RP)SDC_COMMAND = cmd;
delay(10);
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
while(i != 0x1000) //判断:是否命令发送完毕,并且收到响应
while (i != 0x1000)
{
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
to --;
if(!to)
if (!to)
{
EOUT("%s TIMEOUT\n",__FUNCTION__);
EOUT("%s TIMEOUT\n", __FUNCTION__);
return RT_ETIMEOUT;
}
#endif
#endif
}
delay(160);
#ifdef USE_TIMEOUT
//DBOUT("cmd_data TO is %d\n",to);
#endif
return *(RP)SDC_RESPONSE0; //返回命令反馈信息
return *(RP)SDC_RESPONSE0;
}
static rt_err_t cmd_response(U16 Cmd,U32 Arg,U16 TransMode,U16 BlkLen,U16 Nob,U16 IntMask)
static rt_err_t cmd_response(U16 Cmd, U32 Arg, U16 TransMode, U16 BlkLen, U16 Nob, U16 IntMask)
{
U32 i;
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
U32 to = 50000;
#endif
#endif
*(RP)SDC_CLOCK_CONTROL=0Xff00; //配置SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff00;
*(RP)SDC_CLOCK_CONTROL=0Xff04; //打开SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff04;
*(RP)SDC_INTERRUPT_STATUS_MASK=IntMask; //中断状态屏蔽寄存器赋值
*(RP)SDC_TRANSFER_MODE=TransMode; //传输模式选择寄存器赋值
*(RP)SDC_BLOCK_SIZE=BlkLen; //数据块长度寄存器赋值
*(RP)SDC_BLOCK_COUNT=Nob; //数据块数目寄存器赋值
*(RP)SDC_ARGUMENT=Arg; //命令参数寄存器赋值
*(RP)SDC_COMMAND=Cmd; //命令控制寄存器赋值
*(RP)SDC_INTERRUPT_STATUS_MASK = IntMask;
*(RP)SDC_TRANSFER_MODE = TransMode;
*(RP)SDC_BLOCK_SIZE = BlkLen;
*(RP)SDC_BLOCK_COUNT = Nob;
*(RP)SDC_ARGUMENT = Arg;
*(RP)SDC_COMMAND = Cmd;
delay(10);
i = *(RP)SDC_INTERRUPT_STATUS & 0x1040;
while(i != 0x1040) //判断:命令发送完毕,并且收到响应,数据传输完毕。这三项是否已经都完成。
while (i != 0x1040)
{
i = *(RP)SDC_INTERRUPT_STATUS & 0x1040;
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
to--;
if(!to)
if (!to)
{
EOUT("%s Timeout\n",__FUNCTION__);
EOUT("%s Timeout\n", __FUNCTION__);
return RT_ETIMEOUT;
}
#endif
#endif
}
//DBOUT("cmd_response TO is %d\n",to);
delay(100);
return RT_EOK; //返回命令反馈信息
return RT_EOK;
}
static rt_err_t cmd_wait(U16 Cmd,U32 Arg,U16 IntMask )
static rt_err_t cmd_wait(U16 Cmd, U32 Arg, U16 IntMask)
{
int i;
#ifdef USE_TIMEOUT
U32 to=200000;
#endif
#ifdef USE_TIMEOUT
U32 to = 200000;
#endif
*(RP)SDC_CLOCK_CONTROL=0Xff00; //配置SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff00;
*(RP)SDC_CLOCK_CONTROL=0Xff04; //打开SD时钟
*(RP)SDC_CLOCK_CONTROL = 0Xff04;
*(RP)SDC_COMMAND=Cmd; //命令控制寄存器赋值
*(RP)SDC_COMMAND = Cmd;
*(RP)SDC_INTERRUPT_STATUS_MASK=IntMask; //中断状态屏蔽寄存器赋值
*(RP)SDC_INTERRUPT_STATUS_MASK = IntMask;
*(RP)SDC_ARGUMENT=Arg; //命令参数寄存器赋值
*(RP)SDC_ARGUMENT = Arg;
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
while(i != 0x1000) //判断:是否命令发送完毕,并且收到响应
while (i != 0x1000)
{
i = *(RP)SDC_INTERRUPT_STATUS & 0x1000;
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
to--;
if(!to)
if (!to)
{
EOUT("%s Timeout\n",__FUNCTION__);
EOUT("%s Timeout\n", __FUNCTION__);
return RT_ETIMEOUT;
}
#endif
#endif
}
@ -195,68 +193,6 @@ static rt_err_t cmd_wait(U16 Cmd,U32 Arg,U16 IntMask )
delay(10);
return RT_EOK; //返回命令反馈信息以及数值1
}
/**
* This function will set a hook function, which will be invoked when a memory
* block is allocated from heap memory.
*
* @param hook the hook function
*/
static rt_err_t sd_init(void)
{
rt_err_t err;
#ifdef USE_TIMEOUT
rt_uint32_t to=1000;
#endif
sd_pwr(1);
*(RP)SDC_SOFTWARE_RESET=0x0; //触发软复位,对其写0是进行reset
delay(200);
*(RP)SDC_SOFTWARE_RESET=0x1; //不触发软复位
delay(200);
cmd_wait(0x08,0x0,0xfff); //CMD0命令发送使能
do
{
err = cmd_wait(0x6ea,0x0,0xfff); //CMD55,以切换到ACMD命令
#ifdef USE_TIMEOUT
if(err != RT_EOK)
{
EOUT("cmd_wait err in %s\n",__FUNCTION__);
return RT_ETIMEOUT;
}
#endif
delay(3);
err = cmd_wait(0x52a,0x80ff8000,0xfff); //ACMD41向SD控制器发送命令等待SD控制器确认收到命令
if(err != RT_EOK)
{
EOUT("cmd_wait err in %s\n",__FUNCTION__);
return RT_ETIMEOUT;
}
#ifdef USE_TIMEOUT
to--;
if(!to)
{
EOUT("%s timeout\n",__FUNCTION__);
return RT_ETIMEOUT;
}
#endif
}while(*(RP)SDC_RESPONSE0<0X80008000);
#ifdef USE_TIMEOUT
//DBOUT("%s TO is %d\n",__FUNCTION__,to);
#endif
cmd_data(0x49,0X0,0X0,0x0,0x0,0Xfff);//CMD2发送CID
cmd_data(0x6a,0X0,0X0,0x0,0x0,0Xfff);//CMD3询问卡片发出新的相关地址
RCA = *(RP)SDC_RESPONSE0;
cmd_data(0xea,RCA,0X0,0x0,0x0,0Xfff);//CMD7设置选择性的相关参数
return RT_EOK;
}
@ -266,16 +202,75 @@ static rt_err_t sd_init(void)
*
* @param hook the hook function
*/
static rt_err_t sd_readblock(rt_uint32_t address, rt_uint8_t* buf)
static rt_err_t sd_init(void)
{
U32 complete,i;
rt_err_t err;
#ifdef USE_TIMEOUT
rt_uint32_t to = 1000;
#endif
sd_pwr(1);
*(RP)SDC_SOFTWARE_RESET = 0x0;
delay(200);
*(RP)SDC_SOFTWARE_RESET = 0x1;
delay(200);
cmd_wait(0x08, 0x0, 0xfff);
do
{
err = cmd_wait(0x6ea, 0x0, 0xfff);
#ifdef USE_TIMEOUT
if (err != RT_EOK)
{
EOUT("cmd_wait err in %s\n", __FUNCTION__);
return RT_ETIMEOUT;
}
#endif
delay(3);
err = cmd_wait(0x52a, 0x80ff8000, 0xfff);
if (err != RT_EOK)
{
EOUT("cmd_wait err in %s\n", __FUNCTION__);
return RT_ETIMEOUT;
}
#ifdef USE_TIMEOUT
to--;
if (!to)
{
EOUT("%s timeout\n", __FUNCTION__);
return RT_ETIMEOUT;
}
#endif
}
while (*(RP)SDC_RESPONSE0 < 0X80008000);
cmd_data(0x49, 0X0, 0X0, 0x0, 0x0, 0Xfff);
cmd_data(0x6a, 0X0, 0X0, 0x0, 0x0, 0Xfff);
RCA = *(RP)SDC_RESPONSE0;
cmd_data(0xea, RCA, 0X0, 0x0, 0x0, 0Xfff);
return RT_EOK;
}
/**
* This function will set a hook function, which will be invoked when a memory
* block is allocated from heap memory.
*
* @param hook the hook function
*/
static rt_err_t sd_readblock(rt_uint32_t address, rt_uint8_t *buf)
{
U32 complete, i;
rt_uint8_t temp;
rt_err_t err;
RT_UNUSED rt_uint32_t discard;
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
rt_uint32_t to = 10;
#endif
#endif
//rt_kprintf("in readblock:%x\n",address);
//Clear all the errors & interrups
@ -285,32 +280,32 @@ static rt_err_t sd_readblock(rt_uint32_t address, rt_uint8_t* buf)
*(RP)DMAC_INTTCCLEAR &= ~0x1;
/*Clear read fifo*/
*(RP)(SDC_INTERRUPT_STATUS_MASK) = ~(0x1<<9); //don't mask fifo empty
while((*(RP)SDC_INTERRUPT_STATUS)&0x200 != 0x200)
*(RP)(SDC_INTERRUPT_STATUS_MASK) = ~(0x1 << 9); //don't mask fifo empty
while ((*(RP)SDC_INTERRUPT_STATUS) & 0x200 != 0x200)
discard = *(RP)SDC_READ_BUFER_ACCESS;
/*DMAC2,word,size=0x80*/
*(RP)DMAC_C2SRCADDR = SDC_READ_BUFER_ACCESS;
*(RP)DMAC_C2DESTADDR = (rt_uint32_t)buf;
*(RP)DMAC_C2CONTROL =0x20249b;
*(RP)DMAC_C2CONTROL = 0x20249b;
*(RP)DMAC_C2CONFIGURATION = 0x38d;
err = cmd_wait(0x6ea,RCA,0xfff);
if(err != RT_EOK)
err = cmd_wait(0x6ea, RCA, 0xfff);
if (err != RT_EOK)
{
rt_set_errno(err);
return err;
}
err = cmd_wait(0xca,0x2,0xfff);
if(err != RT_EOK)
err = cmd_wait(0xca, 0x2, 0xfff);
if (err != RT_EOK)
{
rt_set_errno(err);
return err;
}
err = cmd_response(0x22e,address,0X1,0x0200,0x1,0Xfff); //CMD17 4bit mode
if(err != RT_EOK)
err = cmd_response(0x22e, address, 0X1, 0x0200, 0x1, 0Xfff); //CMD17 4bit mode
if (err != RT_EOK)
{
rt_set_errno(err);
return err;
@ -319,28 +314,28 @@ static rt_err_t sd_readblock(rt_uint32_t address, rt_uint8_t* buf)
complete = *(RP)SDC_INTERRUPT_STATUS;
/*CRC*/
if((complete |0xfffffffd) !=0xfffffffd)
if ((complete | 0xfffffffd) != 0xfffffffd)
{
rt_kprintf("CRC ERROR!!!\n");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
while(((*(RP)( DMAC_INTTCSTATUS)) & 0x4) != 0x4 )
while (((*(RP)(DMAC_INTTCSTATUS)) & 0x4) != 0x4)
{
delay(10);
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
to--;
if(!to)
if (!to)
{
EOUT("%s TIMEOUT\n",__FUNCTION__);
EOUT("%s TIMEOUT\n", __FUNCTION__);
return RT_ETIMEOUT;
}
#endif
#endif
}
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
//DBOUT("%s timeout is %d\n",__FUNCTION__,to);
#endif
#endif
/*for the buf is big-endian we must reverse it*/
for(i = 0;i<0x80;i++)
for (i = 0; i < 0x80; i++)
{
temp = buf[0];
buf[0] = buf[3];
@ -356,15 +351,15 @@ static rt_err_t sd_readblock(rt_uint32_t address, rt_uint8_t* buf)
return RT_EOK;
}
static rt_uint8_t sd_readmultiblock(rt_uint32_t address, rt_uint8_t* buf,rt_uint32_t size)
static rt_uint8_t sd_readmultiblock(rt_uint32_t address, rt_uint8_t *buf, rt_uint32_t size)
{
rt_int32_t index;
rt_uint8_t status=RT_EOK;
rt_uint8_t status = RT_EOK;
for(index = 0;index < size;index++)
for (index = 0; index < size; index++)
{
status = sd_readblock(address+index*SECTOR_SIZE,buf+index*SECTOR_SIZE);
if(status!=RT_EOK)
status = sd_readblock(address + index * SECTOR_SIZE, buf + index * SECTOR_SIZE);
if (status != RT_EOK)
break;
}
return status;
@ -376,22 +371,22 @@ static rt_uint8_t sd_readmultiblock(rt_uint32_t address, rt_uint8_t* buf,rt_uint
*
* @param hook the hook function
*/
static rt_uint8_t sd_writeblock(rt_uint32_t address, rt_uint8_t* buf)
static rt_uint8_t sd_writeblock(rt_uint32_t address, rt_uint8_t *buf)
{
U32 complete;
rt_uint8_t temp;
rt_uint8_t *ptr = buf;
rt_err_t err;
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
rt_uint32_t to = 10;
#endif
#endif
int i;
rt_kprintf("in writeblock:%x\n",address);
rt_kprintf("in writeblock:%x\n", address);
/*for the buf is big-endian we must reverse it*/
for(i = 0;i<0x80;i++)
for (i = 0; i < 0x80; i++)
{
temp = ptr[0];
ptr[0] = ptr[3];
@ -409,29 +404,28 @@ static rt_uint8_t sd_writeblock(rt_uint32_t address, rt_uint8_t* buf)
*(RP)DMAC_INTTCCLEAR |= 0x1;
*(RP)DMAC_INTTCCLEAR &= ~0x1;
//***********************配置DMA2进行四位写*************************
*(RP)DMAC_C2SRCADDR = (U32)buf; //DMAC道2源地址赋为0x30200000
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS; //DMAC道2目的地址赋为发送FIFO的地址
*(RP)DMAC_C2CONTROL = 0x20149b; //传输尺寸0x080,源地址增加目的地址不增加传输宽度32bit传输的数目4
*(RP)DMAC_C2CONFIGURATION = 0x380b; //不屏蔽传输中断,屏蔽错误中断,通道使能,传输类型:存储器到外设
*(RP)DMAC_C2SRCADDR = (U32)buf;
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS;
*(RP)DMAC_C2CONTROL = 0x20149b;
*(RP)DMAC_C2CONFIGURATION = 0x380b;
err = cmd_wait(0x6ea,RCA,0xfff); //CMD55以切换到ACMD命令
if(err != RT_EOK)
err = cmd_wait(0x6ea, RCA, 0xfff);
if (err != RT_EOK)
{
rt_set_errno(err);
return err;
}
err = cmd_wait(0xca,0x2,0xfff); //ACMD6定义数据线宽度48 位短反馈,无数据传输
if(err != RT_EOK)
err = cmd_wait(0xca, 0x2, 0xfff);
if (err != RT_EOK)
{
rt_set_errno(err);
return err;
}
err = cmd_response(0x30e,address,0X3,0x0200,0x1,0Xfff); //CMD24 1bit mode
if(err != RT_EOK)
err = cmd_response(0x30e, address, 0X3, 0x0200, 0x1, 0Xfff); //CMD24 1bit mode
if (err != RT_EOK)
{
rt_set_errno(err);
return err;
@ -439,26 +433,26 @@ static rt_uint8_t sd_writeblock(rt_uint32_t address, rt_uint8_t* buf)
complete = *(RP)SDC_INTERRUPT_STATUS;
if((complete |0xfffffffe) !=0xfffffffe) //响应超时错误
if ((complete | 0xfffffffe) != 0xfffffffe)
{
//printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
while(((*(RP)( DMAC_INTTCSTATUS)) & 0x4) != 0x4 )
while (((*(RP)(DMAC_INTTCSTATUS)) & 0x4) != 0x4)
{
delay(10);
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
to--;
if(!to)
if (!to)
{
EOUT("%s TIMEOUT\n",__FUNCTION__);
EOUT("%s TIMEOUT\n", __FUNCTION__);
}
#endif
#endif
}
#ifdef USE_TIMEOUT
#ifdef USE_TIMEOUT
//DBOUT("%s timeout is %d\n",__FUNCTION__,to);
#endif
#endif
return RT_EOK;
}
@ -505,7 +499,7 @@ static rt_err_t rt_sdcard_close(rt_device_t dev)
*/
static rt_err_t rt_sdcard_control(rt_device_t dev, int cmd, void *args)
{
rt_kprintf("cmd = %d\n",cmd);
rt_kprintf("cmd = %d\n", cmd);
RT_ASSERT(dev != RT_NULL);
if (cmd == RT_DEVICE_CTRL_BLK_GETGEOME)
@ -532,35 +526,43 @@ static rt_err_t rt_sdcard_control(rt_device_t dev, int cmd, void *args)
*
* @param hook the hook function
*/
static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
{
rt_uint32_t retry = 3;
rt_uint8_t status;
rt_uint32_t index;
///*take the semaphore
struct dfs_partition *part = (struct dfs_partition *)dev->user_data;
struct dfs_partition *part;
if (dev == RT_NULL)
{
rt_set_errno(-DFS_STATUS_EINVAL);
return 0;
}
part = (struct dfs_partition *)dev->user_data;
// take the semaphore
rt_sem_take(part->lock, RT_WAITING_FOREVER);
while(retry--)
while (retry--)
{
if (((rt_uint32_t)buffer % 4 != 0) ||
((rt_uint32_t)buffer > 0x20080000))
{
for(index = 0;index < size;index++)
for (index = 0; index < size; index++)
{
status = sd_readblock((part->offset + pos) * SECTOR_SIZE,ptr_sddev->sec_buf);
if(status != RT_EOK)
status = sd_readblock((part->offset + pos) * SECTOR_SIZE, ptr_sddev->sec_buf);
if (status != RT_EOK)
break;
rt_memcpy((rt_uint8_t *)buffer + (index * SECTOR_SIZE),ptr_sddev->sec_buf,SECTOR_SIZE);
rt_memcpy((rt_uint8_t *)buffer + (index * SECTOR_SIZE), ptr_sddev->sec_buf, SECTOR_SIZE);
}
}
else
{
for(index = 0;index<size;index++)
for (index = 0; index < size; index++)
{
status = sd_readblock((pos) * SECTOR_SIZE,(rt_uint8_t*)buffer + index * SECTOR_SIZE);
if(status != RT_EOK)
status = sd_readblock((pos) * SECTOR_SIZE, (rt_uint8_t *)buffer + index * SECTOR_SIZE);
if (status != RT_EOK)
break;
}
}
@ -582,19 +584,20 @@ static rt_size_t rt_sdcard_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_
*
* @param hook the hook function
*/
static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
static rt_size_t rt_sdcard_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
{
int i;
rt_uint8_t status;
struct dfs_partition *part;
struct dfs_partition *part = (struct dfs_partition *)dev->user_data;
if ( dev == RT_NULL )
if (dev == RT_NULL)
{
rt_set_errno(-DFS_STATUS_EINVAL);
return 0;
}
part = (struct dfs_partition *)dev->user_data;
rt_sem_take(part->lock, RT_WAITING_FOREVER);
if (((rt_uint32_t)buffer % 4 != 0) ||
@ -602,19 +605,19 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
{
rt_uint32_t index;
for(index=0;index<size;index++)
for (index = 0; index < size; index++)
{
rt_memcpy(ptr_sddev->sec_buf, ((rt_uint8_t*)buffer + index * SECTOR_SIZE), SECTOR_SIZE);
status = sd_writeblock((part->offset + index + pos)*SECTOR_SIZE,ptr_sddev->sec_buf);
rt_memcpy(ptr_sddev->sec_buf, ((rt_uint8_t *)buffer + index * SECTOR_SIZE), SECTOR_SIZE);
status = sd_writeblock((part->offset + index + pos) * SECTOR_SIZE, ptr_sddev->sec_buf);
}
}
else
{
for(i=0;i<size;i++)
for (i = 0; i < size; i++)
{
status = sd_writeblock((part->offset + i + pos)*SECTOR_SIZE,
(rt_uint8_t*)((rt_uint8_t*)buffer + i * SECTOR_SIZE));
status = sd_writeblock((part->offset + i + pos) * SECTOR_SIZE,
(rt_uint8_t *)((rt_uint8_t *)buffer + i * SECTOR_SIZE));
if (status != RT_EOK) break;
}
}
@ -631,11 +634,11 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
rt_err_t rt_hw_sdcard_exit()
{
if(ptr_sddev->device != RT_NULL)
if (ptr_sddev->device != RT_NULL)
rt_free(ptr_sddev->device);
if(ptr_sddev->part != RT_NULL)
if (ptr_sddev->part != RT_NULL)
rt_free(ptr_sddev->part);
if(ptr_sddev != RT_NULL)
if (ptr_sddev != RT_NULL)
rt_free(ptr_sddev);
return RT_EOK;
@ -657,8 +660,8 @@ rt_err_t rt_hw_sdcard_init()
/*Initialize structure*/
ptr_sddev = (struct sd_device*)rt_malloc(sizeof(struct sd_device));
if(ptr_sddev == RT_NULL)
ptr_sddev = (struct sd_device *)rt_malloc(sizeof(struct sd_device));
if (ptr_sddev == RT_NULL)
{
EOUT("Failed to allocate sdcard device structure\n");
return RT_ENOMEM;
@ -666,26 +669,26 @@ rt_err_t rt_hw_sdcard_init()
/*sdcard intialize*/
err = sd_init();
if(err != RT_EOK)
if (err != RT_EOK)
goto FAIL2;
/*set sector buffer*/
ptr_sddev->sec_buf = gsec_buf;
ptr_sddev->buf_size = SECTOR_SIZE;
ptr_sddev->sdc = (struct sd_c*)SD_BASE;
ptr_sddev->sdc = (struct sd_c *)SD_BASE;
//DBOUT("allocate partition sector buffer OK!");
err = sd_readblock(0,ptr_sddev->sec_buf);
if(err != RT_EOK)
err = sd_readblock(0, ptr_sddev->sec_buf);
if (err != RT_EOK)
{
EOUT("read first block error\n");
goto FAIL2;
}
/*sdcard driver initialize*/
ptr_sddev->part = (struct dfs_partition*)rt_malloc(4 * sizeof(struct dfs_partition));
if(ptr_sddev->part == RT_NULL)
ptr_sddev->part = (struct dfs_partition *)rt_malloc(4 * sizeof(struct dfs_partition));
if (ptr_sddev->part == RT_NULL)
{
EOUT("allocate partition failed\n");
err = RT_ENOMEM;
@ -693,8 +696,8 @@ rt_err_t rt_hw_sdcard_init()
}
/*alloc device buffer*/
ptr_sddev->device = (struct rt_device*)rt_malloc(4 * sizeof(struct rt_device));
if(ptr_sddev->device == RT_NULL)
ptr_sddev->device = (struct rt_device *)rt_malloc(4 * sizeof(struct rt_device));
if (ptr_sddev->device == RT_NULL)
{
EOUT("allocate device failed\n");
err = RT_ENOMEM;
@ -703,15 +706,15 @@ rt_err_t rt_hw_sdcard_init()
ptr_sddev->part_num = 0;
err = sd_readblock(0,ptr_sddev->sec_buf);
err = sd_readblock(0, ptr_sddev->sec_buf);
if(err != RT_EOK)
if (err != RT_EOK)
{
EOUT("Read block 0 to initialize ERROR\n");
goto FAIL1;
}
for(i=0; i<4; i++)
for (i = 0; i < 4; i++)
{
/* get the first partition */
err = dfs_filesystem_get_partition(&(ptr_sddev->part[i]), ptr_sddev->sec_buf, i);
@ -728,17 +731,17 @@ rt_err_t rt_hw_sdcard_init()
ptr_sddev->device[i].read = rt_sdcard_read;
ptr_sddev->device[i].write = rt_sdcard_write;
ptr_sddev->device[i].control = rt_sdcard_control;
ptr_sddev->device[i].user_data= &ptr_sddev->part[i];
ptr_sddev->device[i].user_data = &ptr_sddev->part[i];
err = rt_device_register(&ptr_sddev->device[i], dname,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
if(err == RT_EOK)
if (err == RT_EOK)
ptr_sddev->part_num++;
}
else
{
if(i == 0)
if (i == 0)
{
/* there is no partition table */
ptr_sddev->part[0].offset = 0;
@ -752,12 +755,12 @@ rt_err_t rt_hw_sdcard_init()
ptr_sddev->device[0].read = rt_sdcard_read;
ptr_sddev->device[0].write = rt_sdcard_write;
ptr_sddev->device[0].control = rt_sdcard_control;
ptr_sddev->device[0].user_data= &ptr_sddev->part[0];
ptr_sddev->device[0].user_data = &ptr_sddev->part[0];
err = rt_device_register(&ptr_sddev->device[0], "sd0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
if(err == RT_EOK)
if (err == RT_EOK)
ptr_sddev->part_num++;
break;
@ -765,26 +768,24 @@ rt_err_t rt_hw_sdcard_init()
}
}
if(ptr_sddev->part_num == 0)
if (ptr_sddev->part_num == 0)
goto FAIL0;
return err;
FAIL0:
FAIL0:
rt_free(ptr_sddev->device);
ptr_sddev->device = RT_NULL;
FAIL1:
FAIL1:
rt_free(ptr_sddev->part);
ptr_sddev->part = RT_NULL;
FAIL2:
FAIL2:
rt_free(ptr_sddev);
ptr_sddev = RT_NULL;
return err;
}
#endif