摘要:
遇到的问题,通过I2C总线读、写(read、write)fs8816加密芯片,报错如下: read str failed,error= Input/output error! write str failed,error= Input/output error! read str failed,error= Device or resource busy! write str failed,error= Device or resource busy!原因是fs8816芯片管脚虚焊。解决办法,补焊,问题解决。 阅读全文