/*?dnw2?linux?main?file.?This?depends?on?libusb.
?*?*
?*?*?Author:?Fox?
?*?*?License:?GPL
?*?*
?*?*/
#include?

#include?
#include?
#include?
#include?

#define?TINY4412_SECBULK_IDVENDOR?0x04e8
#define?TINY4412_SECBULK_IDPRODUCT?0x1234

#define?TINY4412_RAM_base???????0xc0000000
typedef?unsigned?int?u_int32_t;?
//?TINY4412
#define?RAM_base????????????TINY4412_RAM_base
#define?VENDOR_ID???????????TINY4412_SECBULK_IDVENDOR
#define?PRODUCT_ID??????????TINY4412_SECBULK_IDPRODUCT




void?usage（）
{
????printf（“Usage:?dnw2?\n\n“）;
}

unsigned?char*?prepare_write_buf（char?*filename?unsigned?int?*len）
{
????unsigned?char?*write_buf?=?NULL;
????struct?stat?fs;

????int?fd?=?open（filename?O_RDONLY）;
????if（-1==fd）
????{
????????perror（“Cannot?open?file“）;
????????return?NULL;
????}
????if（-1==fstat（fd?&fs））
????{
????????perror（“Cannot?get?file?size“）;
????????goto?error;
????}
????write_buf?=?（unsigned?char*）malloc（fs.st_size+10）;
????if（NULL==write_buf）
????{
????????perror（“malloc?failed“）;
????????goto?error;
????}

????if（fs.st_size?!=?read（fd?write_buf+8?fs.st_size））
????{
????????perror（“Reading?file?failed“）;
????????goto?error;
????}
????????unsigned?short?sum?=?0;
????????int?i;
????????for（i=8;?i????????{
????????????????sum?+=?write_buf[i];
????????}
????printf（“Filename?:?%s\n“?filename）;
????printf（“Filesize?:?%d?bytes\n“?（int）fs.st_size）;
????printf?（“Sum?is?%x\n“sum）;

????*（（u_int32_t*）write_buf）?=?RAM_base;????????//download?address
????*（（u_int32_t*）write_buf+1）?=?fs.st_size?+?10;????//download?size;
????write_buf?[fs.st_size?+?8]?=?sum?&?0xff;
????write_buf?[fs.st_size?+?9]?=?sum?>>?8;
????*len?=?fs.st_size?+?10;
????return?write_buf;

error:
????if（fd!=-1）?close（fd）;
????if（NULL!=write_buf）?free（write_buf）;
????fs.st_size?=?0;
????return?NULL;
???
}
const?char?*?dev=“/dev/secbulk0“;
int?main（int?argc?char?*argv[]）
{
????if（2!=argc）
????{
????????usage（）;
????????return?1;
????}

????/*struct?usb_dev_handle?*hdev?=?open_port（）;
????if（!hdev）
????{
????????return?1;
????}*/
????
????int?fd_dev?=?open（dev?O_WRONLY）;
		if（?-1?==?fd_dev）
		{
			printf（“Can?not?open?%s\n“?dev）;
		
		}

????unsigned?int?len?=?0;
????unsigned?char*?write_buf?=?prepare_write_buf（argv[1]?&len）;
????if（NULL==write_buf）?return?1;

????unsigned?int?remain?=?len;
????unsigned?int?towrite;
????printf（“Writing?data?...\n“）;
????while（remain）
????{
????????towrite?=?remain>512???512?:?remain;
????????if（towrite?!=?write（fd_dev?write_buf+（len-remain）?towrite））
????????//if（towrite?!=?usb_bulk_write（hdev?0x02?write_buf+（len-remain）?towrite?3000））
????????{
????????????perror（“usb_bulk_write?failed“）;
????????????break;
????????}
????????remain-=towrite;
????????printf（“\r?%d?\t?%d?bytes?????“?（len-remain）*100/len?len-remain）;
????????fflush（stdout）;
????}
????if（0==remain）?printf（“Done!\n“）;
????return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-12-13?11:19??dnw-linux\
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\
?????文件?????????543??2015-12-13?10:27??dnw-linux\.gitignore
?????目錄???????????0??2015-12-13?10:27??dnw-linux\.git\branches\
?????文件?????????268??2015-12-13?10:27??dnw-linux\.git\config
?????文件??????????73??2015-12-13?10:27??dnw-linux\.git\description
?????文件??????????23??2015-12-13?10:27??dnw-linux\.git\HEAD
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\hooks\
?????文件?????????452??2015-12-13?10:27??dnw-linux\.git\hooks\applypatch-msg.sample
?????文件?????????896??2015-12-13?10:27??dnw-linux\.git\hooks\commit-msg.sample
?????文件?????????189??2015-12-13?10:27??dnw-linux\.git\hooks\post-update.sample
?????文件?????????398??2015-12-13?10:27??dnw-linux\.git\hooks\pre-applypatch.sample
?????文件????????1704??2015-12-13?10:27??dnw-linux\.git\hooks\pre-commit.sample
?????文件????????4898??2015-12-13?10:27??dnw-linux\.git\hooks\pre-rebase.sample
?????文件????????1239??2015-12-13?10:27??dnw-linux\.git\hooks\prepare-commit-msg.sample
?????文件????????3611??2015-12-13?10:27??dnw-linux\.git\hooks\update.sample
?????文件?????????736??2015-12-13?10:27??dnw-linux\.git\index
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\info\
?????文件?????????240??2015-12-13?10:27??dnw-linux\.git\info\exclude
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\logs\
?????文件?????????178??2015-12-13?10:27??dnw-linux\.git\logs\HEAD
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\logs\refs\
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\logs\refs\heads\
?????文件?????????178??2015-12-13?10:27??dnw-linux\.git\logs\refs\heads\master
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\logs\refs\remotes\
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\logs\refs\remotes\origin\
?????文件?????????178??2015-12-13?10:27??dnw-linux\.git\logs\refs\remotes\origin\HEAD
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\objects\
?????目錄???????????0??2015-12-13?10:27??dnw-linux\.git\objects\info\
?????目錄???????????0??2015-12-13?11:19??dnw-linux\.git\objects\pack\
?????文件????????4516??2015-12-13?10:27??dnw-linux\.git\objects\pack\pack-30ea5339c85482649504aaf4c6ef42261ed8cdb4.idx
............此處省略34個文件信息