# 2️⃣ Pad to
# Read via SPI programmer xflashread -p /dev/ttyUSB0 -s 0x0 -l 0x200000 backup.bin x6512 flash file
jobs: build: runs-on: ubuntu-latest steps: - uses: actions/checkout@v3 # 2️⃣ Pad to # Read via SPI
Most vendor‑supplied tools (e.g., XFlashProg) accept this format directly. 4.1 From an Embedded Toolchain (ARM Cortex‑M example) # 1. Build your project (produces ELF) arm-none-eabi-gcc -mcpu=cortex-m4 -T linker.ld -o app.elf src/*.c The SDK provides x65enc which encrypts the payload
The X6512 family includes an optional AES‑256 hardware engine . The SDK provides x65enc which encrypts the payload and adds a decryption stub to the bootloader. The bootloader must hold the key securely (e.g., fused OTP).
Typical causes: wrong vector table address, missing reset handler, or watchdog not cleared early enough. Verify that the first word of the image contains the correct initial SP and that the second word points to a valid Reset_Handler . 10. Sample End‑to‑End Workflow (CI/CD Integration) # .github/workflows/flash.yml name: Build & Flash X6512 Firmware on: push: branches: [ main ]
Use the partial‑program feature of the bootloader: send a small *.bin that contains the new config and the address offset. The bootloader will erase only the sector containing the config and rewrite it.