mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 04:18:43 +00:00
326 lines
14 KiB
C#
326 lines
14 KiB
C#
#if SERIAL_PORT
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Cosmos.Debug.DebugConnectors
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{
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public class DebugConnectorEdison : DebugConnectorSerial
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{
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private readonly string mKernelFile;
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public DebugConnectorEdison(string aPort, string kernelFile) : base(aPort)
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{
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mKernelFile = kernelFile;
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// mKernelFile = @"c:\Data\Sources\OpenSource\Edison\CosmosEdison\TestKernel\WriteLineViaUBootApi\kernel";
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}
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// "boot > "
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private byte[] mBootPrompt = new byte[7] { 98, 111, 111, 116, 32, 62, 32 };
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private byte[] mBootPromptCheck = new byte[7];
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//protected override void BeforeSendCmd()
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//{
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// SendRawData(new byte[1]
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// {
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// Vs2Ds.Noop
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// });
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// SendRawData(new byte[1]
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// {
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// Vs2Ds.Noop
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// });
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// SendRawData(new byte[1]
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// {
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// Vs2Ds.Noop
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// });
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//}
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private int mBootStage = 0;
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protected override void WaitForSignature(byte[] aPacket)
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{
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//if (mWaitForBootPrompt)
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//{
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// WaitForBootPrompt(aPacket);
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// return;
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//}
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switch (mBootStage)
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{
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// start by sending out a message to the window
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case 0:
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base.SendTextToConsole("Waiting for U-Boot bootloader prompt...\r\n");
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mBootStage = 1;
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break;
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// the bootloader should be configured to wait for input:
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case 1:
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if (WaitForBootPrompt(aPacket))
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{
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SendTextToConsole("Sending kernel now\r\n");
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SendTextToConsole("Filename = '" + mKernelFile + "'\r\n");
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SendRawData("\0loady 0x1000000\r\n");
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mBootStage = 2;
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}
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break;
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case 2:
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if (HandleFileSending(aPacket))
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{
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SendTextToConsole("Done sending kernel file\r\n");
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mBootStage = 4;
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}
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break;
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//case 3:
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// if (WaitForBootPrompt(aPacket))
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// {
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// SendTextToConsole("mw.l 0xFF009000 0x11F8 1\r\n");
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// SendRawData("mw.l 0xFF009000 0x11F8 1\r\n");
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// mBootStage = 4;
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// }
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// break;
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case 4:
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if (WaitForBootPrompt(aPacket))
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{
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SendTextToConsole("mw.l 0xFF009000 0x10F8 1\r\n");
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SendRawData("mw.l 0xFF009000 0x10F8 1\r\n");
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mBootStage = 5;
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}
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break;
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case 5:
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if (WaitForBootPrompt(aPacket))
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{
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// now at boot prompt.
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SendTextToConsole("Now starting kernel\r\n");
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mBootStage = 6;
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SendRawData("go 0x1000000\r\n");
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}
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break;
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case 6:
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//if (WaitForBootPrompt(aPacket))
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//{
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// SendRawData("\0A");
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//}
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base.WaitForSignature(aPacket);
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return;
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}
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SendPacketToConsole(aPacket);
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// keep processing
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Next(1, WaitForSignature);
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}
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private bool WaitForBootPrompt(byte[] aPacket)
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{
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// wait for "boot > "
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mBootPromptCheck[0] = mBootPromptCheck[1];
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mBootPromptCheck[1] = mBootPromptCheck[2];
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mBootPromptCheck[2] = mBootPromptCheck[3];
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mBootPromptCheck[3] = mBootPromptCheck[4];
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mBootPromptCheck[4] = mBootPromptCheck[5];
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mBootPromptCheck[5] = mBootPromptCheck[6];
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mBootPromptCheck[6] = aPacket[0];
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//SendPacketToConsole(aPacket);
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if (mBootPromptCheck.SequenceEqual(mBootPrompt))
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{
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// boot prompt received!
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SendTextToConsole("Boot prompt received!\r\n");
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//Next(1, WaitForSignature);
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return true;
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}
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else
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{
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// Sig not found, keep looking
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//Next(1, WaitForSignature);
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return false;
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}
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}
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private FileStream mKernelFileStream;
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private bool mKernelSent = false;
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private bool HandleFileSending(byte[] aPacket)
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{
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if (mKernelFileStream == null)
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{
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// wait for packet with C (67)
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if (aPacket[0] == 67)
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{
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// start sending
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mKernelFileStream = File.Open(mKernelFile, FileMode.Open);
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SendRawData(ConstructNextLargePacket());
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SendTextToConsole(".");
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return false;
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}
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return false;
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}
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if (mKernelFileStream.Position < mKernelFileStream.Length)
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{
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// send next packet
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if (aPacket[0] == YModem_ACK)
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{
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SendRawData(ConstructNextLargePacket());
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SendTextToConsole(".");
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return false;
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}
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if (aPacket[0] == YModem_NACK)
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{
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SendRawData(mLastPacket);
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SendTextToConsole("R");
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return false;
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}
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// weird character, just retransmit for now
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SendTextToConsole("Character value " + aPacket[0] + " found!\r\n");
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SendRawData(mLastPacket);
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return false;
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}
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else
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{
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// end of transmission
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if (aPacket[0] == YModem_ACK)
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{
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if (mLastPacket != null)
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{
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SendRawData(new[]
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{
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YModem_EOT
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});
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// done!
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return false;
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}
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else
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{
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return true;
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}
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}
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if (aPacket[0] == YModem_NACK)
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{
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SendRawData(new[] { YModem_EOT });
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SendTextToConsole("R");
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return false;
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}
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//if (aPacket[0] == 67)
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{
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// send null item
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SendRawData(ConstructNullPacket());
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SendTextToConsole("!");
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mLastPacket = null;
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return false;
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}
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// weird character, just retransmit for now
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SendTextToConsole("Character value " + aPacket[0] + " found!\r\n");
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SendRawData(new[] { YModem_EOT });
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return false;
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}
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}
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private byte mLastPacketIdx = 0;
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private byte[] mLastPacket;
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private byte[] ConstructNextLargePacket()
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{
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using (var xMS = new MemoryStream(1030))
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{
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xMS.WriteByte(YModem_STX);
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mLastPacketIdx++;
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xMS.WriteByte(mLastPacketIdx);
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xMS.WriteByte((byte)(255 - mLastPacketIdx));
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var xBuff = new byte[1024];
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var xLength = mKernelFileStream.Read(xBuff, 0, xBuff.Length);
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if (xLength < xBuff.Length)
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{
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for (int i = xLength; i < xBuff.Length; i++)
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{
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xBuff[i] = YModem_EOF;
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}
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}
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xMS.Write(xBuff, 0, xBuff.Length);
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var xCrc = Crc16(xBuff);
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xMS.WriteByte((byte)(xCrc >> 8));
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xMS.WriteByte((byte)(xCrc & 0xFF));
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mLastPacket = xMS.ToArray();
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return mLastPacket;
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}
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}
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private byte[] ConstructNullPacket()
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{
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using (var xMS = new MemoryStream(1030))
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{
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xMS.WriteByte(YModem_STX);
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mLastPacketIdx++;
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xMS.WriteByte(mLastPacketIdx);
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xMS.WriteByte((byte)(255 - mLastPacketIdx));
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var xBuff = new byte[1024];
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xMS.Write(xBuff, 0, xBuff.Length);
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var xCrc = Crc16(xBuff);
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xMS.WriteByte((byte)(xCrc >> 8));
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xMS.WriteByte((byte)(xCrc & 0xFF));
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return xMS.ToArray();
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}
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}
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private const byte YModem_STX = 0x02;
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private const byte YModem_ACK = 0x06;
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private const byte YModem_NACK = 0x15;
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private const byte YModem_EOT = 0x04;
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private const byte YModem_EOF = 0x1A;
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private static ushort Crc16(byte[] data)
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{
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int i;
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ushort cksum;
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cksum = 0;
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for (i = 0; i < data.Length; i++)
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{
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cksum = (ushort)(Crc16Constants[((cksum >> 8) ^ data[i]) & 0xFF] ^ (cksum << 8));
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}
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return cksum;
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}
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private static readonly ushort[] Crc16Constants = new ushort[]
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{
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0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
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0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
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0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
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0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
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0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
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0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
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0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
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0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
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0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
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0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
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0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
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0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
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0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
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0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
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0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
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0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
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0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
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0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
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0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
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0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
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0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
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0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
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0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
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0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
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0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
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0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
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0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
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0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
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0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
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0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
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0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
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0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0,
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};
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}
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}
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#endif
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