Re: [ECOS] Serial ports on Evaluator -7T (AEB-2)

["Chris Garry" <lists at sweeneydesign dot co dot uk>]

The serial drivers for the E7T were only added to CVS on (or about) Friday I
believe,
and they seem to work fine.

If you downloaded you copy of eCos before Friday, then I'd try again.

Chris

----- Original Message -----
From: "Marcus Ohlsson" <Marcus.Ohlsson@exa.teleca.se>
To: <ecos-discuss@sources.redhat.com>
Sent: Tuesday, October 23, 2001 4:40 PM
Subject: [ECOS] Serial ports on Evaluator -7T (AEB-2)


> Hello!
>
> I'm having problems accessing the two serial-ports on the Evaluator
> 7T-board.
> Does eCos support the two serial-ports on this card, and if it does (which
i
> assume ;) why can i not configure them as i can with many other boards?
>
> In eCos Configtool (for windows) i see that the template for the AEB-1
board
> has options for switching on and off the serialports, and changing the
name
> of the serial devices (such as "/dev/ser0" under [configuration/Serial
> device drivers/Hardware serial device drivers/ARM AEB serial devices/....]
> ). But with the AEB-2 card theese options are not available. Are they
> "generic", and is by default named as /dev/serial0 and /dev/serial1, or
> should i use diffrent names, and if so, which else names do i use for
> accessing serial ports on AEB-2?
>
> i try to access the ports using the serial.c-file in the
> RedHat\eCos\examples -directory, but changing dev/haldiag to dev/serial0,
> but it doesn't work.
>
> I use eCos Config-tool (1.3.1.2) and i have downloaded the latest eCos
> sources from the CVS.
>
> I would be very glad if someone could just give me a hint! thanks!
>
> /marcus ohlsson
>
> below is the current program which doesn't detect any serialports:
>
> <start file serial.c>
>
> /*
>  * Written 1999-03-19 by Jonathan Larmour, Cygnus Solutions
>  * This file is in the public domain and may be used for any purpose
>  */
>
> /* CONFIGURATION CHECKS */
>
> #include <pkgconf/system.h>     /* which packages are enabled/disabled */
> #ifdef CYGPKG_KERNEL
> #include <pkgconf/kernel.h>
> #endif
> #ifdef CYGPKG_LIBC
> #include <pkgconf/libc.h>
> #endif
> #ifdef CYGPKG_IO_SERIAL
> #include <pkgconf/io_serial.h>
> #endif
>
> #ifndef CYGFUN_KERNEL_API_C
> #error Kernel API must be enabled to build this example
> #endif
>
> #ifndef CYGPKG_LIBC_STDIO
> #error C library standard I/O must be enabled to build this example
> #endif
>
> #ifndef CYGPKG_IO_SERIAL_HALDIAG
> #error I/O HALDIAG pseudo-device driver must be enabled to build
> this example
> #endif
>
> /* INCLUDES */
>
> #include <stdio.h>                      /* printf */
> #include <string.h>                     /* strlen */
> #include <cyg/kernel/kapi.h>            /* All the kernel specific stuff
*/
> #include <cyg/io/io.h>                  /* I/O functions */
> #include <cyg/hal/hal_arch.h>           /* CYGNUM_HAL_STACK_SIZE_TYPICAL
*/
>
>
>
> /* DEFINES */
>
> #define NTHREADS 1
> #define STACKSIZE ( CYGNUM_HAL_STACK_SIZE_TYPICAL + 4096 )
>
> /* STATICS */
>
> static cyg_handle_t thread[NTHREADS];
> static cyg_thread thread_obj[NTHREADS];
> static char stack[NTHREADS][STACKSIZE];
>
> /* FUNCTIONS */
>
> static void simple_prog(CYG_ADDRESS data)
> {
> cyg_io_handle_t handle;
> cyg_io_handle_t handle_pog1;
> cyg_io_handle_t handle_pog2;
> cyg_io_handle_t handle_pog3;
> cyg_io_handle_t handle_pog4;
> cyg_io_handle_t handle_pog5;
> Cyg_ErrNo err;
> const char test_string[] = "serial example is working correctly!\n";
> cyg_uint32 len = strlen(test_string);
>
> printf("Starting serial example\n");
>
> err = cyg_io_lookup( "/dev/serial0", &handle_pog1 );
>
> if (ENOERR == err)
> {
> printf("Found /dev/serial0. Writing string....\n");
> err = cyg_io_write( handle_pog1, test_string, &len );
> }
>
> if (ENOERR == err)
> {
> printf("I think I wrote the string serial 0. Did you see
> it?\n");
> }
>
> if (ENOERR != err)
> {
> printf("Serial0 failed\n");
> }
>
> err = cyg_io_lookup( "/dev/haldiag", &handle );
>
> if (ENOERR == err)
> {
> printf("Found /dev/haldiag. Writing string....\n");
> err = cyg_io_write( handle, test_string, &len );
> }
>
> if (ENOERR == err)
> {
> printf("I think I wrote the string 1. Did you see it?\n");
> }
>
>
>
> err = cyg_io_lookup( "/dev/serial1", &handle_pog2 );
>
> if (ENOERR == err)
> {
> printf("Found /dev/serial1. Writing string....\n");
> err = cyg_io_write( handle_pog2, test_string, &len );
> }
>
> if (ENOERR == err)
> {
> printf("I think I wrote the serial1. Did you see it?\n");
> }
>
> if (ENOERR != err)
> {
> printf("Serial1 failed\n");
> }
>
>
> err = cyg_io_lookup( "/dev/console", &handle_pog3 );
>
> if (ENOERR == err)
> {
> printf("Found /dev/console. Writing string....\n");
> err = cyg_io_write( handle_pog3, test_string, &len );
> }
>
> if (ENOERR == err)
> {
> printf("I think I wrote the console. Did you see it?\n");
> }
>
> if (ENOERR != err)
> {
> printf("console failed\n");
> }
>
>
> err = cyg_io_lookup( "/dev/ser0", &handle_pog4 );
>
> if (ENOERR == err)
> {
> printf("Found /dev/ser0. Writing string....\n");
> err = cyg_io_write( handle_pog4, test_string, &len );
> }
>
> if (ENOERR == err)
> {
> printf("I think I wrote the ser0. Did you see it?\n");
> }
>
> if (ENOERR != err)
> {
> printf("Ser0 failed\n");
> }
>
>
> err = cyg_io_lookup( "/dev/tty0", &handle_pog5 );
>
> if (ENOERR == err)
> {
> printf("Found /dev/tty0. Writing string....\n");
> err = cyg_io_write( handle_pog5, test_string, &len );
> }
>
> if (ENOERR == err)
> {
> printf("I think I wrote the tty0. Did you see it?\n");
> }
>
> if (ENOERR != err)
> {
> printf("tty0 failed\n");
> }
>
>
> printf("Serial example finished. Errorcode: %x\n",err);
>
> }
>
> void cyg_user_start(void)
> {
> cyg_thread_create(4, simple_prog, (cyg_addrword_t) 0, "serial",
> (void *)stack[0],
> STACKSIZE, &thread[0], &thread_obj[0]);
> cyg_thread_resume(thread[0]);
> }
>
> <end serial.c>
>