In the "/home/imx6" directory (this directory was created when compiling the Android system earlier. If it does not exist, you cancreate one yourself), use the command "mkdir minilinux/" to create a m
When writing and using spi, you need to use the high-level output signal of the GPIO3.21 pin.The input method in the hyperterminal is:
# cd /sys/class/gpio/sys/class/gpio# echo 117 export/sys/class/gp
[i=s]This post was last edited by Buzhulun on 2019-6-23 11:19[/i]I looked at the trial list and found that I was the only one who applied for CH554. Everyone was looking for the other two development