public bool ProgramAnemVersion2(int nid, MemoryRegionDataCollection memoryRegionDataBlocks, Action <double, string> progressUpdated) { if (nid < 0 || nid > 255) { throw new ArgumentOutOfRangeException("nid"); } if (null == progressUpdated) { progressUpdated = NullAction; // so we can avoid null checks all over the place } using (NewQueryPause()) { Thread.Sleep(ThreeQuarterSecond); bool result = true; try { if (!UsbConn.IsConnected) { return(false); } progressUpdated(0, "Entering boot mode."); using (IsolateConnection()) { var anemEnterProgramMode = AnemEnterProgramModeVersion2(nid); if (!anemEnterProgramMode) { progressUpdated(0, "Bad boot response."); if (0xf != nid && 0 != nid) { result = false; // NOTE: if it was corrupted or unassigned, try it anyhow } } Thread.Sleep(HalfSecond); progressUpdated(0, "Writing."); int totalBytes = memoryRegionDataBlocks.Sum(b => (int)b.Size); int bytesSent = 0; int lastNoticeByte = 0; const int noticeInterval = 128; int dotCount = 1; if (result) { bool firstBlock = true; foreach ( var block in memoryRegionDataBlocks .Where(x => x.Address < 0x3fff && x.LastAddress > 0x800) .OrderBy(x => x.Address) ) { byte[] data = block.Data.ToArray(); int checksumFails = 0; const int maxChecksumFails = 64; const int stride = 32; long startIndex = 0; if (block.Address < 0x800) { startIndex = 0x800 - block.Address; } long indexLimit = data.Length; if (block.LastAddress > 0x3fff) { indexLimit = indexLimit - (block.LastAddress - 0x3fff); } int chunkCount = 0; for (long i = startIndex; i < indexLimit; i += stride) { var bytesToWrite = Math.Min(stride, (int)(data.Length - i)); var address = i + block.Address; var packet = GenerateEmptyPacketData(); // NOTE: length is 65 because of the first extra byte packet[1] = 0xa1; packet[2] = unchecked ((byte)(chunkCount % 2)); packet[3] = unchecked ((byte)(address >> 8)); packet[4] = unchecked ((byte)address); Array.Copy(data, i, packet, 5, bytesToWrite); byte checkSum = 0; for (int csi = 2; csi < 37; csi++) { checkSum = unchecked ((byte)(checkSum + packet[csi])); } packet[37] = checkSum; UsbConn.ClearPacketQueue(); if (!WritePacket(packet)) { progressUpdated(0, "Write failure!"); result = false; break; //return false; } packet = UsbConn.ReadPacket(ThreeQuarterSecond); if (null == packet || !(packet[1] == 0xa1 && packet[2] == 0x01)) { checksumFails++; if (checksumFails <= (firstBlock ? 3 : maxChecksumFails)) { i -= stride; continue; } progressUpdated(0, "Checksum failure."); result = false; break; } checksumFails = 0; bytesSent += bytesToWrite; if ((bytesSent - lastNoticeByte) > noticeInterval) { lastNoticeByte = bytesSent; dotCount++; if (dotCount > 3) { dotCount = 1; } progressUpdated( bytesSent / (double)(totalBytes), String.Concat("Writing", new String(Enumerable.Repeat('.', dotCount).ToArray())) ); } chunkCount++; } firstBlock = false; } } } } catch (Exception ex) { progressUpdated(0, ex.ToString()); result = false; } finally { var resetOk = AnemResetVersion2(nid); if (!resetOk) { progressUpdated(0, "Anem reboot failure."); } result &= resetOk; } return(result); } }
public bool ProgramAnem(int nid, MemoryRegionDataCollection memoryRegionDataBlocks, Action <double, string> progressUpdated) { if (nid < 0 || nid > 255) { throw new ArgumentOutOfRangeException("nid"); } if (null == progressUpdated) { progressUpdated = NullAction; // so we can avoid null checks all over the place } using (NewQueryPause()) { Thread.Sleep(ThreeQuarterSecond); bool result = true; try { if (!UsbConn.IsConnected) { return(false); } progressUpdated(0, "Entering boot mode."); using (IsolateConnection()) { var anemBootResult = AnemEnterBootMode(nid); if (!anemBootResult) { progressUpdated(0, "Bad boot response."); if (0xff != nid) { result = false; } } Thread.Sleep(HalfSecond); progressUpdated(0, "Writing."); int totalBytes = memoryRegionDataBlocks.Sum(b => (int)b.Size); int bytesSent = 0; int lastNoticeByte = 0; const int noticeInterval = 128; int dotCount = 1; if (result) { bool firstBlock = true; foreach (var block in memoryRegionDataBlocks) { byte[] data = block.Data.ToArray(); int checksumFails = 0; const int maxChecksumFails = 64; const int stride = 32; for (int i = 0; i < data.Length; i += stride) { int bytesToWrite = Math.Min(32, data.Length - i); int address = i + (int)block.Address; var packet = GenerateEmptyPacketData(); packet[1] = 0x75; packet[2] = checked ((byte)nid); Array.Copy(BitConverter.GetBytes(address).Reverse().ToArray(), 0, packet, 3, 4); packet[7] = (byte)bytesToWrite; byte checkSum = data[i]; int endIndex = i + bytesToWrite; for (int csi = i + 1; csi < endIndex; csi++) { checkSum = unchecked ((byte)(checkSum + data[csi])); } packet[8] = checkSum; Array.Copy(data, i, packet, 9, bytesToWrite); UsbConn.ClearPacketQueue(); if (!WritePacket(packet)) { progressUpdated(0, "Write failure!"); result = false; break; //return false; } packet = UsbConn.ReadPacket(ThreeQuarterSecond); if (null == packet || packet[3] != checkSum) { checksumFails++; if (checksumFails <= (firstBlock ? 3 : maxChecksumFails)) { i -= stride; continue; } progressUpdated(0, "Checksum failure."); result = false; break; } checksumFails = 0; bytesSent += bytesToWrite; if ((bytesSent - lastNoticeByte) > noticeInterval) { lastNoticeByte = bytesSent; dotCount++; if (dotCount > 3) { dotCount = 1; } progressUpdated( bytesSent / (double)(totalBytes), String.Concat("Writing", new String(Enumerable.Repeat('.', dotCount).ToArray())) ); } } firstBlock = false; } } } } catch (Exception ex) { progressUpdated(0, ex.ToString()); result = false; } finally { var resetOk = AnemReset(nid); if (!resetOk) { progressUpdated(0, "Anem reboot failure."); } result &= resetOk; } return(result); } }