[En-Nut-Discussion] Difference between devUart0 & devUart1

[Thiago A. Corrêa]

DEV_UART0 is defined as devUsartAvr0 in the ethernut headers, it should
work. It is working for me.

Notice that the open mode in fopen isn't quite standard CRT complient, and
it crash if you give "rw+b". I'm using "r+b" and it's working ok.

Friendly Regards,
   Thiago A. Corrêa

On 8/23/06, ZIP <zip357 at centrum.cz> wrote:
>
> Hello,
>
>   I'm begginer with ethernut.
>
>   First I worked with examples from ethernut, where is the devDebug0. It
> worked fine. Then I tryied devUart0 it was also OK. But when I started
> to test UART1 a saw devUsartAVR0. I tried the simple program
>
>         u_long baud_uart0 = 19200;
>
>         init_dio();
>         NutRegisterDevice(&DEV_UART0, 0, 0);
>
>         cd_serial1 = fopen(DEV_UART0_NAME, "w");
>
>         _ioctl(_fileno(cd_serial1), UART_SETSPEED, &baud_uart0);
>
>         fprintf(cd_serial1, "Hello world!\n");
>
> when I put DEV_UART as devUart0 it works, but when put devUsartAVR0, I
> can't get it working. Something is sending to the serial line, but it's
> not interpreted clearly.
>
> I also wanted to get UART1 working and don't know what to use. Because
> when I tried &devUart1, I got even program crash.
>
> Please help,
>
> Petr
>
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