[En-Nut-Discussion] UART example for AT91SAM9260-EK

[Lasse conrad]

Hi Lasse here "home email"

Its the example code which its part of the Nut/OS code. Made by you
Harald

C:\ethernut-4.4.1\app\uart\uart.c 

...
NutRegisterDevice(&DEV_UART, 0, 0);
uart = fopen(DEV_UART_NAME, "r+");
_ioctl(_fileno(uart), UART_SETSPEED, &baud);
...


The events and the tcps example works fine btw. So it is not some
compiler setup stuff.

After go 0x200... Noting on the Hyperterminal. I can download a Atmel
example (Non Nut/OS application) and get a input/Output over the Uart0
DB9 connector, so my hardware is working and my cable is connected
correct.

Best regards

Lasse

-----Original Message-----
From: en-nut-discussion-bounces at egnite.de
[mailto:en-nut-discussion-bounces at egnite.de] On Behalf Of Harald Kipp
Sent: 16. juni 2008 16:42
To: Ethernut User Chat (English)
Subject: Re: [En-Nut-Discussion] UART example for AT91SAM9260-EK


Lasse Conrad wrote:
> I got the right DB9 connector because I can download an Atmel uart0 
> test application which can output something on the UART0. So my 
> hardware works fine.

OK, Lasse. How does your UART initialization look like? I mean the lines

similar to

   NutRegisterDevice(???, 0, 0);
   freopen(???, "w", stdout);
   _ioctl(_fileno(stdout), UART_SETSPEED, &baud);

> BTW I am assuming the uart.c example is using:
> Bps = 115200, databits 8, parity = non , stopbits=1, flow control = 
> non.

Correct.

Still missing the answer to

> After "go 0x20000000", do you see any serial port output? Otherwise 
> make
> sure to use the right DB9 connector.

Harald

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