using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Cosmos.Debug.DebugConnectors { public class DebugConnectorEdison : DebugConnectorSerial { private readonly string mKernelFile; public DebugConnectorEdison(string aPort, string kernelFile) : base(aPort) { mKernelFile = kernelFile; // mKernelFile = @"c:\Data\Sources\OpenSource\Edison\CosmosEdison\TestKernel\WriteLineViaUBootApi\kernel"; } // "boot > " private byte[] mBootPrompt = new byte[7] { 98, 111, 111, 116, 32, 62, 32 }; private byte[] mBootPromptCheck = new byte[7]; //protected override void BeforeSendCmd() //{ // SendRawData(new byte[1] // { // Vs2Ds.Noop // }); // SendRawData(new byte[1] // { // Vs2Ds.Noop // }); // SendRawData(new byte[1] // { // Vs2Ds.Noop // }); //} private int mBootStage = 0; protected override void WaitForSignature(byte[] aPacket) { //if (mWaitForBootPrompt) //{ // WaitForBootPrompt(aPacket); // return; //} switch (mBootStage) { // start by sending out a message to the window case 0: base.SendTextToConsole("Waiting for U-Boot bootloader prompt...\r\n"); mBootStage = 1; break; // the bootloader should be configured to wait for input: case 1: if (WaitForBootPrompt(aPacket)) { SendTextToConsole("Sending kernel now\r\n"); SendTextToConsole("Filename = '" + mKernelFile + "'\r\n"); SendRawData("\0loady 0x1000000\r\n"); mBootStage = 2; } break; case 2: if (HandleFileSending(aPacket)) { SendTextToConsole("Done sending kernel file\r\n"); mBootStage = 4; } break; //case 3: // if (WaitForBootPrompt(aPacket)) // { // SendTextToConsole("mw.l 0xFF009000 0x11F8 1\r\n"); // SendRawData("mw.l 0xFF009000 0x11F8 1\r\n"); // mBootStage = 4; // } // break; case 4: if (WaitForBootPrompt(aPacket)) { SendTextToConsole("mw.l 0xFF009000 0x10F8 1\r\n"); SendRawData("mw.l 0xFF009000 0x10F8 1\r\n"); mBootStage = 5; } break; case 5: if (WaitForBootPrompt(aPacket)) { // now at boot prompt. SendTextToConsole("Now starting kernel\r\n"); mBootStage = 6; SendRawData("go 0x1000000\r\n"); } break; case 6: //if (WaitForBootPrompt(aPacket)) //{ // SendRawData("\0A"); //} base.WaitForSignature(aPacket); return; } SendPacketToConsole(aPacket); // keep processing Next(1, WaitForSignature); } private bool WaitForBootPrompt(byte[] aPacket) { // wait for "boot > " mBootPromptCheck[0] = mBootPromptCheck[1]; mBootPromptCheck[1] = mBootPromptCheck[2]; mBootPromptCheck[2] = mBootPromptCheck[3]; mBootPromptCheck[3] = mBootPromptCheck[4]; mBootPromptCheck[4] = mBootPromptCheck[5]; mBootPromptCheck[5] = mBootPromptCheck[6]; mBootPromptCheck[6] = aPacket[0]; //SendPacketToConsole(aPacket); if (mBootPromptCheck.SequenceEqual(mBootPrompt)) { // boot prompt received! SendTextToConsole("Boot prompt received!\r\n"); //Next(1, WaitForSignature); return true; } else { // Sig not found, keep looking //Next(1, WaitForSignature); return false; } } private FileStream mKernelFileStream; private bool mKernelSent = false; private bool HandleFileSending(byte[] aPacket) { if (mKernelFileStream == null) { // wait for packet with C (67) if (aPacket[0] == 67) { // start sending mKernelFileStream = File.Open(mKernelFile, FileMode.Open); SendRawData(ConstructNextLargePacket()); SendTextToConsole("."); return false; } return false; } if (mKernelFileStream.Position < mKernelFileStream.Length) { // send next packet if (aPacket[0] == YModem_ACK) { SendRawData(ConstructNextLargePacket()); SendTextToConsole("."); return false; } if (aPacket[0] == YModem_NACK) { SendRawData(mLastPacket); SendTextToConsole("R"); return false; } // weird character, just retransmit for now SendTextToConsole("Character value " + aPacket[0] + " found!\r\n"); SendRawData(mLastPacket); return false; } else { // end of transmission if (aPacket[0] == YModem_ACK) { if (mLastPacket != null) { SendRawData(new[] { YModem_EOT }); // done! return false; } else { return true; } } if (aPacket[0] == YModem_NACK) { SendRawData(new[] { YModem_EOT }); SendTextToConsole("R"); return false; } //if (aPacket[0] == 67) { // send null item SendRawData(ConstructNullPacket()); SendTextToConsole("!"); mLastPacket = null; return false; } // weird character, just retransmit for now SendTextToConsole("Character value " + aPacket[0] + " found!\r\n"); SendRawData(new[] { YModem_EOT }); return false; } } private byte mLastPacketIdx = 0; private byte[] mLastPacket; private byte[] ConstructNextLargePacket() { using (var xMS = new MemoryStream(1030)) { xMS.WriteByte(YModem_STX); mLastPacketIdx++; xMS.WriteByte(mLastPacketIdx); xMS.WriteByte((byte)(255 - mLastPacketIdx)); var xBuff = new byte[1024]; var xLength = mKernelFileStream.Read(xBuff, 0, xBuff.Length); if (xLength < xBuff.Length) { for (int i = xLength; i < xBuff.Length; i++) { xBuff[i] = YModem_EOF; } } xMS.Write(xBuff, 0, xBuff.Length); var xCrc = Crc16(xBuff); xMS.WriteByte((byte)(xCrc >> 8)); xMS.WriteByte((byte)(xCrc & 0xFF)); mLastPacket = xMS.ToArray(); return mLastPacket; } } private byte[] ConstructNullPacket() { using (var xMS = new MemoryStream(1030)) { xMS.WriteByte(YModem_STX); mLastPacketIdx++; xMS.WriteByte(mLastPacketIdx); xMS.WriteByte((byte)(255 - mLastPacketIdx)); var xBuff = new byte[1024]; xMS.Write(xBuff, 0, xBuff.Length); var xCrc = Crc16(xBuff); xMS.WriteByte((byte)(xCrc >> 8)); xMS.WriteByte((byte)(xCrc & 0xFF)); return xMS.ToArray(); } } private const byte YModem_STX = 0x02; private const byte YModem_ACK = 0x06; private const byte YModem_NACK = 0x15; private const byte YModem_EOT = 0x04; private const byte YModem_EOF = 0x1A; private static ushort Crc16(byte[] data) { int i; ushort cksum; cksum = 0; for (i = 0; i < data.Length; i++) { cksum = (ushort)(Crc16Constants[((cksum >> 8) ^ data[i]) & 0xFF] ^ (cksum << 8)); } return cksum; } private static readonly ushort[] Crc16Constants = new ushort[] { 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0, }; } }