public bool UpdateFirmware(FileStream fw)
{
bool rs = true;
string name = _sp.PortName;
STMisp stmisp = new STMisp();
stmisp.Write = isp_write;
stmisp.Read = isp_read;
ResetToISP().Wait();
// 退出接收线程
_keepthread = false;
_datarecvevent.Set();
_sp.Close();
Thread.Sleep(100);
_ispcom = new SerialPort(name, 115200, Parity.Even, 8, StopBits.One);
_ispcom.ReadTimeout = 200;
_ispcom.Open();
ISPACK ack;
ack = stmisp.InitBL();
if (ack != ISPACK.ISP_ACK)
{
rs = false;
}
#if true
ack = stmisp.Erase();
if (ack == ISPACK.ISP_TO)
{
rs = false;
}
if (ack == ISPACK.ISP_NACK)
{
ack = stmisp.Read_unprotect();
if (ack != ISPACK.ISP_ACK)
{
rs = false;
}
Thread.Sleep(50);
if (stmisp.InitBL() == ISPACK.ISP_TO)
{
rs = false;
}
}
if (rs)
{
long len_rem = fw.Length;
uint start_addr = 0x08000000;
byte[] wm = new byte[256];
while (len_rem >= 256)
{
fw.Read(wm, 0, 256);
if (WriteMemoryResult.OK != stmisp.WriteMemory(start_addr, 256, wm))
{
rs = false;
break;
}
len_rem -= 256;
start_addr += 256;
Console.WriteLine("remain bytes:{0}", len_rem);
Thread.Sleep(50);
}
if (len_rem > 0 && rs == true)
{
fw.Read(wm, 0, (int)len_rem);
if (WriteMemoryResult.OK != stmisp.WriteMemory(start_addr, 256, wm))
{
rs = false;
}
Thread.Sleep(30);
}
fw.Close();
}
#endif
if (rs)
{
if (stmisp.Go() != ISPACK.ISP_ACK)
{
Console.WriteLine("go fail");
}
else
{
Console.WriteLine("go succ");
}
}
_ispcom.Close();
_sp.Open();
_sp.DiscardInBuffer();
_keepthread = true;
Thread _t = new Thread(new ThreadStart(recv_thread));
_t.Start();
return(rs);
}
public int UpdateFirmware(string fw_path, int deviceidx)
{
string portname = scomm.PortName;
STMisp stmisp = new STMisp();
stmisp.Write = isp_write;
stmisp.Read = isp_read;
// 成功重启标志
bool is_reboot = false;
// 成功下载标志
bool is_download = false;
int repeat_cnt = 0;
while (repeat_cnt < 2 && !is_download)
{
this.CloseSerialBusProcessor();
this.OpenSerialBusProcessor();
bool proc_fail = false;
//总线重新上电
RepowerupCallback?.Invoke();
Thread.Sleep(1000);
repeat_cnt++;
int rbrs = reboot(deviceidx, is_reboot);
if (rbrs != 1)
{
is_reboot = true;
}
if (rbrs != 0)
{
continue;
}
Console.WriteLine(string.Format("module {0:d} reboot succ", deviceorder[deviceidx]));
scomm.DiscardInBuffer();
this.CloseSerialBusProcessor();
Thread.Sleep(500);
scomm.PortName = portname;
scomm.Parity = Parity.Even;
scomm.BaudRate = 115200;
scomm.StopBits = StopBits.One;
scomm.DataBits = 8;
scomm.ReadTimeout = 2000;
scomm.Open();
ISPACK ack;
ack = stmisp.InitBL();
if (ack == ISPACK.ISP_TO)
{
continue;
}
while (ack == ISPACK.ISP_NACK)
{
ack = stmisp.InitBL();
}
// 当前设备尚未下载成功，进入的ISP下载流程
if (!is_download)
{
ack = stmisp.Erase();
if (ack == ISPACK.ISP_TO)
{
continue;
}
if (ack == ISPACK.ISP_NACK)
{
ack = stmisp.Read_unprotect();
if (ack != ISPACK.ISP_ACK)
{
continue;
}
Thread.Sleep(50);
if (stmisp.InitBL() == ISPACK.ISP_TO)
{
continue;
}
}
System.IO.FileStream fs = new System.IO.FileStream(fw_path, System.IO.FileMode.Open);
long len_rem = fs.Length;
uint start_addr = 0x08000000;
byte[] wm = new byte[256];
if (proc_fail == false)
{
while (len_rem >= 256)
{
fs.Read(wm, 0, 256);
if (WriteMemoryResult.OK != stmisp.WriteMemory(start_addr, 256, wm))
{
proc_fail = true;
break;
}
len_rem -= 256;
start_addr += 256;
Console.WriteLine("remain bytes:{0}", len_rem);
Thread.Sleep(100);
}
if (len_rem > 0 && proc_fail == false)
{
fs.Read(wm, 0, (int)len_rem);
if (WriteMemoryResult.OK != stmisp.WriteMemory(start_addr, 256, wm))
{
proc_fail = true;
}
Thread.Sleep(100);
}
fs.Close();
}
}
if (proc_fail)
{
continue;
}
Console.WriteLine("write memory succ");
is_download = true;
// 下载成功后一定要执行GoApp命令，确保重新上电后切换到userboot模式
if (stmisp.Go(0x08000000) != ISPACK.ISP_ACK)
{
Console.WriteLine("go fail");
continue;
}
Console.WriteLine("go succ");
repeat_cnt = 0;
scomm.Close();
break;
}
Thread.Sleep(1000);
this.CloseSerialBusProcessor();
this.OpenSerialBusProcessor();
if (is_download)
{
return(0);
}
return(-1);
}