ARM-Linux driver transplantation--Linux burning tool DNW and USB driver installation-EEWORLD

Collect

Host platform: Gentoo Linux 11.2 with linux kernel 3.0.6

Hardware platform: FL2440 (S3C2440) with linux kernel 2.6.35

Original work, please indicate the source when reprinting http://blog.csdn.net/yming0221/article/details/7211396

1. First download DNW for linux http://download.csdn.net/source/1011140

2. Unzip the file

、

3. Compile the host's USB driver

make -C /lib/modules/`uname -r`/build M=`pwd` modules

Then install the driver with insmod and check with dmesg as follows

4. Modify the dnw.c file and compile

Since the FL2440 needs to set the initial address to 0x30800000 when burning the kernel, the modified file is as follows

#include
#include
#include
#include
#include
#include
#include
const char* dev = "/dev/secbulk0";
int main(int argc, char* argv[])
{
unsigned char* file_buffer = NULL;
if( 2 != argc )
{
printf("Usage: dwn \n");
return 1;
}
int fd = open(argv[1], O_RDONLY);
if(-1 == fd)
{
printf("Can not open file - %s\n", argv[1]);
return 1;
}
struct stat file_stat;
if( -1 == fstat(fd, &file_stat) )
{
printf("Get file size filed!\n");
return 1;
}
file_buffer = (char*)malloc(file_stat.st_size+10);
if(NULL == file_buffer)
{
printf("malloc failed!\n");
goto error;
}
if( file_stat.st_size != read(fd, file_buffer+8, file_stat.st_size))
{
printf("Read file failed!\n");
goto error;
}
printf("file name : %s\n", argv[1]);
printf("file size : %d bytes\n", file_stat.st_size);
int fd_dev = open(dev, O_WRONLY);
if( -1 == fd_dev)
{
printf("Can not open %s\n", dev);
goto error;
}
*((unsigned long*)file_buffer) = 0x30800000; //load address
*((unsigned long*)file_buffer+1) = file_stat.st_size+10; //file size
unsigned short sum = 0;
int i;
for(i=8; i
{
sum += file_buffer[i];
}
printf("Writing data...\n");
size_t remain_size = file_stat.st_size+10;
// size_t block_size = remain_size / 100;
size_t block_size = 512;
size_t writed = 0;
while(remain_size>0)
{
size_t to_write = remain_size > block_size ? block_size:remain_size;
if( to_write != write(fd_dev, file_buffer+writed, to_write))
{
printf("failed!\n");
return 1;
}
remain_size -= to_write;
writed += to_write;
printf("\r%d%\t %d bytes ", writed*100/(file_stat.st_size+10), writed);
fflush(stdout);
}
printf("OK\n");
return 0;
error:
if(-1!=fd_dev) close(fd_dev);
if(fd != -1) close(fd);
if( NULL!=file_buffer )
free(file_buffer);
return -1;
}

Finally burn the kernel

Keywords：ARM-Linux Reference address：ARM-Linux driver transplantation--Linux burning tool DNW and USB driver installation

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