public static void ServeOTAFiles(int port, ESP8266BinaryImage.ESP8266ImageHeader hdr, params string[] elfFiles)
{
TcpListener listener = new TcpListener(port);
byte[] buffer = new byte[1024];
OTAImage[] images = new OTAImage[2];
foreach (var fn in elfFiles)
{
if (fn != null)
{
using (var elfFile = new ELFFile(fn))
{
string status;
int appMode = ESP8266BinaryImage.DetectAppMode(elfFile, out status);
if (appMode == 0)
{
Console.WriteLine(fn + " is not an OTA ELF file. Skipping...");
continue;
}
var img = ESP8266BinaryImage.MakeBootloaderBasedImageFromELFFile(elfFile, hdr, appMode);
using (var ms = new MemoryStream())
{
img.Save(ms);
images[appMode - 1].Data = ms.ToArray();
images[appMode - 1].File = fn;
}
}
}
}
Console.WriteLine($"Ready to serve the following files:");
Console.WriteLine($"APP1: {images[0].File ?? "(none)"}");
Console.WriteLine($"APP2: {images[1].File ?? "(none)"}");
Console.WriteLine($"Waiting for connection on port {port}...");
listener.Start();
for (;;)
{
using (var sock = listener.AcceptSocket())
{
Console.WriteLine($"Incoming connection from {(sock.RemoteEndPoint as IPEndPoint).Address}");
StringBuilder requestBuilder = new StringBuilder();
while (!requestBuilder.ToString().Contains("\r\n\r"))
{
int done = sock.Receive(buffer);
requestBuilder.Append(Encoding.UTF8.GetString(buffer, 0, done));
}
string request = requestBuilder.ToString();
string[] parts = request.Split(' ');
if (parts.Length < 3)
{
throw new Exception("Invalid HTTP request: " + request);
}
string url = parts[1];
Console.WriteLine("Received request for " + url);
int otaIndex = (url.ToLower().Contains("user2") ? 1 : 0);
if (images[otaIndex].Data == null)
{
throw new Exception($"No OTA image for app{otaIndex + 1} is provided. Please check your linker scripts.");
}
string reply = string.Format("HTTP/1.0 200 OK\r\nContent-Type: application/octet-stream\r\nContent-Length: {0}\r\n\r\n", images[otaIndex].Data.Length);
var r = Encoding.UTF8.GetBytes(reply);
sock.Send(r);
if (parts[0] == "GET")
{
Console.Write($"Serving {Path.GetFileName(images[otaIndex].File)}...\r\n");
using (var ms = new MemoryStream(images[otaIndex].Data))
{
int totalDone = 0;
for (;;)
{
int done = ms.Read(buffer, 0, buffer.Length);
if (done == 0)
{
break;
}
sock.Send(buffer, done, SocketFlags.None);
totalDone += done;
int percent = (int)((totalDone * 100) / ms.Length);
int progress = percent / 5;
Console.Write($"\r[{new string('#', progress).PadRight(20)}] {percent}%");
}
}
Console.WriteLine("\r\nFile sent successfully\n");
break;
}
}
}
listener.Stop();
}
static void Run(string[] args)
{
Console.WriteLine("ESP8266 image tool v1.0 [http://sysprogs.com/]");
if (args.Length < 1)
{
PrintUsage();
return;
}
string port = null;
string bootloader = null;
int otaPort = 0;
int baud = 115200;
bool erase = false;
bool esp32mode = false;
List <string> files = new List <string>();
string frequency = null, mode = null, size = null;
for (int i = 0; i < args.Length; i++)
{
if (args[i] == "--esp32")
{
esp32mode = true;
}
else if (args[i] == "--boot")
{
if (i >= (args.Length - 1))
{
throw new Exception("--boot must be followed by the bootloader image");
}
bootloader = args[++i];
}
else if (args[i] == "--program")
{
if (i >= (args.Length - 1))
{
throw new Exception("--program must be followed by port number");
}
port = args[++i];
if ((i + 1) < args.Length && !args[i + 1].StartsWith("-"))
{
baud = int.Parse(args[++i]);
}
}
else if (args[i] == "--mode")
{
if (i >= (args.Length - 1))
{
throw new Exception("--mode must be followed by FLASH mode");
}
mode = args[++i];
}
else if (args[i] == "--size")
{
if (i >= (args.Length - 1))
{
throw new Exception("--size must be followed by FLASH mode");
}
size = args[++i];
}
else if (args[i] == "--freq")
{
if (i >= (args.Length - 1))
{
throw new Exception("--freq must be followed by FLASH mode");
}
frequency = args[++i];
}
else if (args[i].ToLower() == "--ota")
{
if (i >= (args.Length - 1))
{
throw new Exception("--OTA must be followed by port number");
}
otaPort = int.Parse(args[++i]);
}
else if (args[i] == "--erase")
{
erase = true;
}
else
{
files.Add(args[i]);
}
}
ESP8266BinaryImage.ParsedHeader hdr = new ESP8266BinaryImage.ParsedHeader(frequency, mode, size);
Console.WriteLine("FLASH Parameters:");
Console.WriteLine("\tFrequency: " + DumpEnumValue(hdr.Frequency));
Console.WriteLine("\tMode: " + DumpEnumValue(hdr.Mode));
Console.WriteLine("\tSize: " + DumpEnumValue(hdr.Size));
if (otaPort != 0)
{
OTAServer.ServeOTAFiles(otaPort, hdr, files.ToArray());
return;
}
foreach (var elf in files)
{
string pathBase = Path.ChangeExtension(elf, ".").TrimEnd('.');
List <ProgrammableRegion> regions = new List <ProgrammableRegion>();
Console.WriteLine("Processing " + elf + "...");
using (var elfFile = new ELFFile(elf))
{
string status;
if (esp32mode)
{
var img = ESP8266BinaryImage.MakeESP32ImageFromELFFile(elfFile, hdr);
string fn = pathBase + "-esp32.bin";
using (var fs = new FileStream(fn, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
img.Save(fs);
regions.Add(new ProgrammableRegion {
FileName = fn, Offset = 0, Size = (int)fs.Length
});
}
}
else
{
int appMode = ESP8266BinaryImage.DetectAppMode(elfFile, out status);
Console.WriteLine(status);
if (appMode == 0)
{
var img = ESP8266BinaryImage.MakeNonBootloaderImageFromELFFile(elfFile, hdr);
string fn = pathBase + "-0x00000.bin";
using (var fs = new FileStream(fn, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
img.Save(fs);
regions.Add(new ProgrammableRegion {
FileName = fn, Offset = 0, Size = (int)fs.Length
});
}
foreach (var sec in ESP8266BinaryImage.GetFLASHSections(elfFile))
{
fn = string.Format("{0}-0x{1:x5}.bin", pathBase, sec.OffsetInFLASH);
using (var fs = new FileStream(fn, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
fs.Write(sec.Data, 0, sec.Data.Length);
regions.Add(new ProgrammableRegion {
FileName = fn, Offset = (int)sec.OffsetInFLASH, Size = sec.Data.Length
});
}
}
}
else
{
string fn;
var img = ESP8266BinaryImage.MakeBootloaderBasedImageFromELFFile(elfFile, hdr, appMode);
if (bootloader == null)
{
Console.WriteLine("Warning: no bootloader specified. Skipping bootloader...");
}
else
{
if (!File.Exists(bootloader))
{
throw new Exception(bootloader + " not found. Cannot program OTA images.");
}
byte[] data = File.ReadAllBytes(bootloader);
data[2] = (byte)img.Header.Mode;
data[3] = (byte)(((byte)img.Header.Size << 4) | (byte)img.Header.Frequency);
fn = string.Format("{0}-boot.bin", pathBase);
File.WriteAllBytes(fn, data);
regions.Add(new ProgrammableRegion {
FileName = fn, Offset = 0, Size = File.ReadAllBytes(fn).Length
});
}
fn = string.Format("{0}-user{1}.bin", pathBase, appMode);
using (var fs = new FileStream(fn, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
img.Save(fs);
regions.Add(new ProgrammableRegion {
FileName = fn, Offset = (int)img.BootloaderImageOffset, Size = (int)fs.Length
});
}
}
}
}
if (port != null)
{
using (var serialPort = new SerialPortStream(port, baud, System.IO.Ports.Handshake.None)
{
AllowTimingOutWithZeroBytes = true
})
{
ESP8266BootloaderClient client = new ESP8266BootloaderClient(serialPort, 50, null);
Console.WriteLine("Connecting to bootloader on {0}...", port);
client.Sync();
if (erase)
{
Console.WriteLine("Erasing FLASH...");
client.EraseFLASH();
Console.WriteLine("FLASH erased. Please restart your ESP8266 into the bootloader mode again.\r\nPress any key when done...");
Console.ReadKey();
client.Sync();
}
foreach (var region in regions)
{
DateTime start = DateTime.Now;
Console.WriteLine("Programming " + Path.GetFileName(region.FileName) + "...");
var tracker = new ProgressTracker(region);
client.BlockWritten += tracker.BlockWritten;
client.ProgramFLASH((uint)region.Offset, File.ReadAllBytes(region.FileName));
client.BlockWritten -= tracker.BlockWritten;
Console.WriteLine("\rProgrammed in {0} seconds ", (int)(DateTime.Now - start).TotalSeconds);
}
}
}
else
{
int fileNameLen = Path.GetFileName(args[0]).Length + 10;
Console.WriteLine("\r\nCreated the following files:");
Console.WriteLine("File".PadRight(fileNameLen) + " FLASH Offset Size");
foreach (var region in regions)
{
Console.WriteLine(Path.GetFileName(region.FileName).PadRight(fileNameLen) + " " + string.Format("0x{0:x8} {1}KB", region.Offset, region.Size / 1024));
}
}
}
}
public static void ServeOTAFiles(int port, ESP8266BinaryImage.ParsedHeader hdr, params string[] elfFiles)
{
TcpListener listener = new TcpListener(port);
byte[] buffer = new byte[1024];
OTAImage[] images = new OTAImage[2];
foreach (var fn in elfFiles)
if (fn != null)
using (var elfFile = new ELFFile(fn))
{
string status;
int appMode = ESP8266BinaryImage.DetectAppMode(elfFile, out status);
if (appMode == 0)
{
Console.WriteLine(fn + " is not an OTA ELF file. Skipping...");
continue;
}
var img = ESP8266BinaryImage.MakeBootloaderBasedImageFromELFFile(elfFile, hdr, appMode);
using (var ms = new MemoryStream())
{
img.Save(ms);
images[appMode - 1].Data = ms.ToArray();
images[appMode - 1].File = fn;
}
}
Console.WriteLine($"Ready to serve the following files:");
Console.WriteLine($"APP1: {images[0].File ?? "(none)"}");
Console.WriteLine($"APP2: {images[1].File ?? "(none)"}");
Console.WriteLine($"Waiting for connection on port {port}...");
listener.Start();
for (;;)
{
using (var sock = listener.AcceptSocket())
{
Console.WriteLine($"Incoming connection from {(sock.RemoteEndPoint as IPEndPoint).Address}");
StringBuilder requestBuilder = new StringBuilder();
while (!requestBuilder.ToString().Contains("\r\n\r"))
{
int done = sock.Receive(buffer);
requestBuilder.Append(Encoding.UTF8.GetString(buffer, 0, done));
}
string request = requestBuilder.ToString();
string[] parts = request.Split(' ');
if (parts.Length < 3)
throw new Exception("Invalid HTTP request: " + request);
string url = parts[1];
Console.WriteLine("Received request for " + url);
int otaIndex = (url.ToLower().Contains("user2") ? 1 : 0);
if (images[otaIndex].Data == null)
throw new Exception($"No OTA image for app{otaIndex + 1} is provided. Please check your linker scripts.");
string reply = string.Format("HTTP/1.0 200 OK\r\nContent-Type: application/octet-stream\r\nContent-Length: {0}\r\n\r\n", images[otaIndex].Data.Length);
var r = Encoding.UTF8.GetBytes(reply);
sock.Send(r);
if (parts[0] == "GET")
{
Console.Write($"Serving {Path.GetFileName(images[otaIndex].File)}...\r\n");
using (var ms = new MemoryStream(images[otaIndex].Data))
{
int totalDone = 0;
for (;;)
{
int done = ms.Read(buffer, 0, buffer.Length);
if (done == 0)
break;
sock.Send(buffer, done, SocketFlags.None);
totalDone += done;
int percent = (int)((totalDone * 100) / ms.Length);
int progress = percent / 5;
Console.Write($"\r[{new string('#', progress).PadRight(20)}] {percent}%");
}
}
Console.WriteLine("\r\nFile sent successfully\n");
break;
}
}
}
listener.Stop();
}