stm32isp.rar

C代码,接口简单明了,在本机测试通过可以正常读写stm32
串口设备默认是 ttyUSB0

int DemoPro(unsigned char *pdata,int len)
{
int ret=0;
stm32isp.fd=stm32isp.open();
printf("fd:%d\n",stm32isp.fd);
while(1){
if(TestLink()!=0) {ret= 1;break;} //握手失败
if(GetVersionAndCmd()!=0) {ret= 2;break;} //获取版本失败
printf("ver:%d.%d\n",stm32isp.ver>>4,stm32isp.ver&0x0f);
if(stm32isp.ver!=0x22) {ret= 3;break;} //下载器的版本不对,暂时只针对2.2版本的程序
if(GetProtectState()!=0) {ret= 4;break;} //其实读取不了是不是保护的状态的
if(GetStm32TypeId()!=0) {ret= 5;break;} //获得stm32的型号
printf("stm32 type:%X\r\n",stm32isp.typeid);
if(ReadMemory(0x1FFFF7E8,12,(unsigned char*)stm32isp.onlyId)!=0) //读取唯一id,读取失败则解锁再读取
{
printf("read id eror\n");
if(UnRdProtect()!=0) {ret= 6;break;}
continue;
}
else printf("stm32id:%08X%08X%08X\n",stm32isp.onlyId[0],stm32isp.onlyId[1],stm32isp.onlyId[2]);

if(EraseFlash()!=0)
{
//擦除失败 就擦除读保护
printf("Erase Chip error\n");
if(UnRdProtect()!=0) {ret= 7;break;}
continue;
}

//if(WriteMemory(0x8000000,sizeof(testcode),testcode)!=0) {ret= 8;break;}
//printf("Write Rom ok\n");
//if(EnRdProtect()!=0) {ret= 9;break;}
//printf("read protect\n");1
//if(EnWrProtectX(0,2)!=0) {ret= 10;break;}
//printf("write protect ok\n");
if(WriteBin2Flash(pdata, len)!=0) {ret= 8;break;}
if(VerifyRom(pdata, len)!=0) {ret= 9;break;}

if(EnWrProtectX(0,64)==0)
{
//写入写保护之后 系统会重启
if(TestLink()!=0) {ret= 1;break;} //握手失败
}else {ret= 10;break;}

if(RunProgram(0x8000000)!=0) {ret= 11;break;}
break;
}
stm32isp.release(stm32isp.fd);
return ret;
}