Pocket C.H.I.P.
解決"usb_bulk_send() ERROR -7: Operation timed out"問題
參考資料：
1. issue1
2. issue2
3. sunxi-tools
問題如下：
$ FEL='sudo sunxi-fel' FASTBOOT='sudo fastboot' SNIB=false ./chip-update-firmware.sh -L ../flash-collection/stable-pocketchip-b126/
== Local directory '../flash-collection/stable-pocketchip-b126/' selected ==
== preparing images ==
== Local/cached probe files located ==
== Staging for NAND probe ==
Image Name: detect NAND
Created: Fri Apr 2 09:27:26 2021
Image Type: ARM Linux Script (uncompressed)
Data Size: 97 Bytes = 0.09 KiB = 0.00 MiB
Load Address: 00000000
Entry Point: 00000000
Contents:
Image 0: 89 Bytes = 0.09 KiB = 0.00 MiB
waiting for fel...OK
usb_bulk_send() ERROR -7: Operation timed out
解法如下：
$ cd $ wget http://ftp.br.debian.org/debian/pool/main/s/sunxi-tools/sunxi-tools_1.4.1-1_amd64.deb $ sudo dpkg -i sunxi-tools_1.4.1-1_amd64.deb