I've been researching a mining board between z7010 and nand flash recently. When searching for information, I saw this link. It's worth learning, so I'd like to share it with you.
https://www.cnblogs.
A: There is no response when controlling GPIO in user mode? For example: Figure 1
B: GPIO is not configured by default (MX6UL_PAD_CSI_MCLK__GPIO4_IO17)
It is recommended to configure in linux-4.1.15/a
Logistics POS machine with serial port expansion ICI. BackgroundWith the development and progress of Internet technology, more and more of our work needs to rely on computers or electronic devices. Ev