87 lines
2.8 KiB
Batchfile
87 lines
2.8 KiB
Batchfile
:: Fw_gen.bat
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:: ver 2.2
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@echo off
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setlocal enabledelayedexpansion
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:: SteamVR directory settings
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set "steamvrDir=C:\Program Files (x86)\Steam\steamapps\common\SteamVR"
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:: Delete old directories
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if exist "firmware" (
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rmdir /s /q "firmware"
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)
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if exist "gd_1558748372_dfu" (
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rmdir /s /q "gd_1558748372_dfu"
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)
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:: Create new directories
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echo Creating directories...
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mkdir "firmware"
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mkdir "gd_1558748372_dfu"
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:: File unpacking
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echo Unpacking firmware...
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powershell -Command "Expand-Archive -Path '%steamvrDir%\drivers\indexhmd\resources\firmware\radio\gd_1558748372_dfu.zip' -DestinationPath 'gd_1558748372_dfu'"
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:: File copying
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copy gd_1558748372_dfu\temp_app_stamped.bin gd_1558748372_dfu\temp_app_stamped_lyx.bin > nul
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:: Binary rewriting (to LYX)
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powershell -Command "$filePath = 'gd_1558748372_dfu\temp_app_stamped_lyx.bin'; $newValue = 0xB9; $offset = 0x1839D; $bytes = [System.IO.File]::ReadAllBytes($filePath); $bytes[$offset] = $newValue; [IO.File]::WriteAllBytes($filePath, $bytes)"
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:: Convert bin to uf2
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set args=%*
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powershell "iex((@('')*3+(cat '%~f0'|select -skip 44))-join[char]10)"
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:: Exit
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pause
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exit /b
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:: The following is powershell script
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Set-Location $PSScriptRoot
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$UF2_MAGIC_START0 = 0x0A324655 # "UF2\n"
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$UF2_MAGIC_START1 = 0x9E5D5157 # Randomly selected
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$UF2_MAGIC_END = 0x0AB16F30 # Ditto
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$appstartaddr = 0x26000 # offset
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$familyid = 0xADA52840 # nrf52840
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$inputFile = "gd_1558748372_dfu\temp_app_stamped_lyx.bin"
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$outputFile = "firmware\temp_app_stamped_lyx.uf2"
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Write-Host "Converting bin to uf2..."
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$file_content = Get-Content -LiteralPath $inputFile -Encoding Byte
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$numblocks = ($file_content.Length + 0xFF) -shr 8
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$outp = @()
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foreach ($blockno in @(0..($numblocks - 1))) {
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$ptr = 0x100 * $blockno
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$chunk = $file_content[$ptr..($ptr + 0xFF)]
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$flags = 0
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if ($familyid) {
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$flags = $flags -bor 0x2000
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}
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$block = @(
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[System.BitConverter]::GetBytes([Int32]$UF2_MAGIC_START0),
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[System.BitConverter]::GetBytes([Int32]$UF2_MAGIC_START1),
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[System.BitConverter]::GetBytes([Int32]$flags),
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[System.BitConverter]::GetBytes([Int32]($ptr + $appstartaddr)),
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[System.BitConverter]::GetBytes([Int32]256),
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[System.BitConverter]::GetBytes([Int32]$blockno),
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[System.BitConverter]::GetBytes([Int32]$numblocks),
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[System.BitConverter]::GetBytes([Int32]$familyid),
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$chunk,
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(@([Byte]0x00) * (0x200 - (32 + $chunk.Length + 4))),
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[System.BitConverter]::GetBytes([Int32]$UF2_MAGIC_END)
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) | ForEach-Object { $_ }
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$outp += $block
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}
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$outp | Set-Content -LiteralPath $outputFile -Encoding Byte
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Write-Host "Firmware generation completed. Output file: $outputFile"
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