73 lines
2.7 KiB
PowerShell
73 lines
2.7 KiB
PowerShell
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# Flash the BL616 on the Tang Primer 25K Dock.
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#
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# .\scripts\flash.ps1 this firmware (Sipeed loader @0x0 + firmware @0x20000)
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# .\scripts\flash.ps1 -Restore original Sipeed debugger firmware
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#
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# The BL616 has to be in its ROM USB bootloader ("Bouffalo CDC DEMO"). The
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# script gets it there by itself when this firmware is already running
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# (serial port opened at 1234 baud). Otherwise, unplug the board and plug it
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# back while either
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# - holding the S3 button (this firmware is installed), or
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# - shorting the TDO test point to 3V3 (bottom side, always works).
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param(
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[switch]$Restore,
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[string]$Port
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)
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$ErrorActionPreference = 'Stop'
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. (Join-Path $PSScriptRoot 'common.ps1')
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$root = Get-ProjectRoot
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$sdk = Join-Path $root 'third_party\bouffalo_sdk'
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$tool = Join-Path $sdk 'tools\bflb_tools\bouffalo_flash_cube\BLFlashCommand.exe'
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$cfg = if ($Restore) { 'restore_prog_cfg.ini' } else { 'flash_prog_cfg.ini' }
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if (-not $Restore -and -not (Test-Path (Join-Path $root 'build\build_out\tang25k_debugger_bl616.bin'))) {
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throw 'firmware not built yet: run scripts\build.ps1'
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}
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function Wait-BootromPort([int]$Seconds) {
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$deadline = (Get-Date).AddSeconds($Seconds)
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do {
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$p = @(Find-ComPort $BootromPortId)
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if ($p.Count) { return $p[0] }
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Start-Sleep -Milliseconds 300
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} while ((Get-Date) -lt $deadline)
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return $null
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}
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if (-not $Port) {
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$Port = @(Find-ComPort $BootromPortId) | Select-Object -First 1
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}
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if (-not $Port) {
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$fw = @(Find-ComPort $FirmwarePortId) | Select-Object -First 1
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if ($fw) {
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Write-Host "Firmware found on $fw, rebooting it into the ROM bootloader..."
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try {
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$sp = New-Object System.IO.Ports.SerialPort $fw, 1234
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$sp.Open()
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Start-Sleep -Milliseconds 200
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$sp.Close()
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} catch {
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Write-Warning "could not open ${fw}: $_ (is a terminal using it?)"
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}
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$Port = Wait-BootromPort 15
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}
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}
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if (-not $Port) {
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Write-Host 'Waiting for the BL616 ROM bootloader (Bouffalo CDC DEMO)...' -ForegroundColor Yellow
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Write-Host ' unplug the board, then plug it back while holding S3'
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Write-Host ' (or while shorting the TDO test point to 3V3 on the bottom side)'
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$Port = Wait-BootromPort 120
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}
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if (-not $Port) { throw 'BL616 bootloader port not found' }
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Write-Host "Flashing $cfg via $Port" -ForegroundColor Cyan
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Push-Location $root
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try {
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& $tool --interface=uart --baudrate=2000000 --port=$Port --chipname=bl616 --cpu_id= --config=$cfg
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if ($LASTEXITCODE) { throw "BLFlashCommand failed ($LASTEXITCODE)" }
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} finally {
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Pop-Location
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}
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Write-Host 'Done. Unplug and plug the board back (power cycle) to start the new firmware.' -ForegroundColor Green
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