v821板子来源见贴:https://whycan.com/t_12383.html
1、硬件调试:
收到板子,焊上flash之后,兴奋地将板子usb连上电脑,结果pc愣是半天没响应。第一反应就是板子莫非被静电打坏了?量了板子电压只有5v,其他引脚都没电压,看了原理图之后发现电源前还接了个没焊的充电管理芯片,直接飞线短接,再次插上usb,发现板子usb还是没识别到,这次真饶头了。最后看原理图量下其他引脚电压发现没有,再仔细对照板子,发现3个2.2uh电感没焊。缺啥补啥,到时还是不行,就打算把板子退回去了:)。焊上三个电感,重新插入usb,电脑终于识别到了。附上板子照片:

2、SDK编译及烧写
1)、设置编译环境:
root@glxu:/home/glxu/v821/tina-v821-release# source build/envsetup.sh
NOTE: The SDK(/home/glxu/v821/tina-v821-release) was successfully loaded
load openwrt... ok
Please run lunch next for openwrt.
load bsp...ok
root@glxu:/home/glxu/v821/tina-v821-release#
2)、选择板配(选择v821-avaota_f1-tina):
root@glxu:/home/glxu/v821/tina-v821-release# lunch
You're building on Linux
Lunch menu... pick a combo:
1 v821-aiglass-tina
2 v821-avaota_f1-tina
3 v821-ipc-tina
4 v821-perf2b_fastboot-tina
5 v821-perf2b-tina
6 v821-perf2_fastboot-tina
7 v821-perf2-tina
8 v821-sc1745v-tina
9 v821-ver1-tina
Which would you like? [Default v821-avaota_f1]: 2
...
3)、直接编译并打包固件
root@glxu:/home/glxu/v821/tina-v821-release# mp
...
----------image is at----------
15M /home/glxu/v821/tina-v821-release/out/v821_linux_avaota_f1_uart0_nor.img
...
4)、烧写固件
打开PhoenixSuit,短接FEL,插上usb升级。静待板子烧写完成。烧写完重新上电完,进入板子如下:
至此板子第一阶段调测完成!
离线