tf_burn.md

CVI AliOS TF Burn

• TF卡格式化为FAT32
• 将生成的镜像文件以及fip.bin拷贝至TF卡
• 设备断电后插入TF卡，重新上电，等待Start SD downloading烧录提示
• 有以下对应boot, imtb, yoc.bin等烧录记录则代表烧录成功

  ## Resetting to default environment
  Start SD downloading...
  spinor id = C8 40 18
  SF: Detected GD25Q128E with page size 256 Bytes, erase size 4 KiB, total 16 MiB
  8192 bytes read in 1 ms (7.8 MiB/s)
  flash->erase_size 0x1000
  get flash erase size = 0x1000
  45056 bytes read in 22 ms (2 MiB/s)
  SF: 53248 bytes @ 0x0 Erased: OK
  device 0 offset 0x0, size 0xc000
  SF: 49152 bytes @ 0x0 Written: OK
  sf write speed 0.722 MB/s
  program boot0 success
  115400 bytes read in 54 ms (2 MiB/s)
  SF: 131072 bytes @ 0xd000 Erased: OK
  device 0 offset 0xc000, size 0x20000
  SF: 131072 bytes @ 0xc000 Written: OK
  sf write speed 0.771 MB/s
  program boot success
  8192 bytes read in 5 ms (1.6 MiB/s)
  SF: 8192 bytes @ 0x2d000 Erased: OK
  device 0 offset 0x2c000, size 0x2000
  SF: 8192 bytes @ 0x2c000 Written: OK
  sf write speed 0.819 MB/s
  program imtb success
  2931072 bytes read in 1380 ms (2 MiB/s)
  SF: 4915200 bytes @ 0x2f000 Erased: OK
  device 0 offset 0x2e000, size 0x4b0000
  SF: 4915200 bytes @ 0x2e000 Written: OK
  sf write speed 0.784 MB/s
  program prim success
  ** Unable to read file weight **
  Failed to load 'weight'
  

• 固件升级完成后拔掉TF卡，重新上电启动