On 04/27/2015 06:41 AM, JAY KOTHARI wrote:
> Hi,
> I am unable to do simple uart communication in BBB. I have set device tree
>
> uart2_pins: uart2_pins {
> pinctrl-single,pins = <
> 0x154 0x01
> 0x150 0x31
>>;
> };
>
> &uart2 {
> status = "okay";
> pinctrl-names = "default";
> pinctrl-0 = <&uart2_pins>;
> };
>
> then I configure the UART Port
>
> stty -F /dev/ttys0 cstopb -evenp ispeed 115200
^^^^^^^^^
stty: /dev/ttys0: No such file or directory
uart2 is not /dev/ttyS0.
uart0 = /dev/ttyS0
uart1 = /dev/ttyS1
uart2 = /dev/ttyS2
Regards,
Peter Hurley
> Then I made a user space application for reading and writing data to
> device file. I have attached the application program
>
> I connected Tx and Rx pin in same BBB.(Loop back mode)
>
> But I am not able to do simple UART communication in loop back
> mode. Do am I missing something? Please help me
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