Hello every one:
UART (J17) can not work... Nothing appeared on the termianl after pluged the USB-cable (fdti) in to my Pc and connected with TX1. Then I write a little test file in C,to transmit and receive,still failed by: int fd = open (/dev/ttyS0,O_RDWR|0_NOCTTY|O_NDELAY); set_term(fd,0,8,1,'N')； write(fd,"hello world"); nothing happedned! or try like this: echo hello > /dev/ttyS0 nothing happedned!
can you help me