public void currentChecksum(Firmware fw)
{
if (self.bl_rev < 3)
{
return;
}
__sync();
this.port.ReadTimeout = 1000; // 1 sec
if (self.fw_maxsize > 0)
{
int expect_crc = fw.crc(self.fw_maxsize);
__send(new byte[] { (byte)Code.GET_CRC,
(byte)Code.EOC });
int report_crc = __recv_int();
self.__getSync();
print("FW File 0x" + hexlify(BitConverter.GetBytes(expect_crc)) + " " + expect_crc);
print("Current 0x" + hexlify(BitConverter.GetBytes(report_crc)) + " " + report_crc);
if (expect_crc == report_crc)
{
throw new Exception("Same Firmware. Not uploading");
}
}
if (self.extf_maxsize > 0)
{
int expect_crc = fw.extf_crc(fw.extf_image_size);
byte[] size_bytes = BitConverter.GetBytes(fw.extf_image_size);
__send(new byte[] { (byte)Code.EXTF_GET_CRC,
size_bytes[0], size_bytes[1], size_bytes[2], size_bytes[3],
(byte)Code.EOC });
// crc can be slow, give it 10s
__wait_for_bytes(4, 30);
int report_crc = __recv_int();
self.__getSync();
print("Ext FW File 0x" + hexlify(BitConverter.GetBytes(expect_crc)) + " " + expect_crc);
print("Current 0x" + hexlify(BitConverter.GetBytes(report_crc)) + " " + report_crc);
if (expect_crc == report_crc)
{
throw new Exception("Same Firmware. Not uploading");
}
}
}
public void __verify_extf(Firmware fw)
{
int expect_crc = fw.extf_crc(fw.extf_image_size);
byte[] size_bytes = BitConverter.GetBytes(fw.extf_image_size);
__send(new byte[] { (byte)Code.EXTF_GET_CRC,
size_bytes[0], size_bytes[1], size_bytes[2], size_bytes[3],
(byte)Code.EOC });
DateTime deadline = DateTime.Now.AddSeconds(10);
while (DateTime.Now < deadline)
{
port.BaseStream.Flush();
if (port.BytesToRead >= 4)
{
if (ProgressEvent != null)
{
ProgressEvent(100);
}
break;
}
if (ProgressEvent != null)
{
TimeSpan ts = new TimeSpan(deadline.Ticks - DateTime.Now.Ticks);
ProgressEvent(((10.0 - ts.TotalSeconds) / 10.0) * 100.0);
}
Thread.Yield();
}
__wait_for_bytes(4, 20);
int report_crc = __recv_int();
__getSync();
print("extf Expected 0x" + hexlify(BitConverter.GetBytes(expect_crc)) + " " + expect_crc);
print("extf Got 0x" + hexlify(BitConverter.GetBytes(report_crc)) + " " + report_crc);
if (report_crc != expect_crc)
{
throw new Exception("Program extf CRC failed");
}
}