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/*
* This file contains a test fixture termios device driver
*
* COPYRIGHT (c) 1989-2009.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#include "tmacros.h"
#include <rtems/libio.h>
#include <stdlib.h>
#include <assert.h>
#include <termios.h>
#include "termios_testdriver.h"
int termios_test_driver_inbyte_nonblocking( int port )
{
return -1;
}
void termios_test_driver_outbyte_polled(
int port,
char ch
)
{
}
int termios_test_driver_write_support (int minor, const char *buf, int len)
{
int nwrite = 0;
while (nwrite < len) {
#if (CONSOLE_USE_INTERRUPTS)
termios_test_driver_outbyte_interrupt( minor, *buf++ );
#else
termios_test_driver_outbyte_polled( minor, *buf++ );
#endif
nwrite++;
}
return nwrite;
}
/*
* Set Attributes Handler
*/
int termios_test_driver_set_attributes(
int minor,
const struct termios *t
)
{
uint32_t ulBaudDivisor;
int baud_requested;
int number;
rtems_interrupt_level Irql;
const char *parity = "NONE";
const char *char_size = "5";
const char *stop = "NONE";
baud_requested = t->c_cflag & CBAUD;
number = termios_baud_to_number( baud_requested );
/*
* Parity
*/
if (t->c_cflag & PARENB) {
parity = "EVEN";
if (!(t->c_cflag & PARODD))
parity = "ODD";
}
/*
* Character Size
*/
if (t->c_cflag & CSIZE) {
switch (t->c_cflag & CSIZE) {
case CS5: char_size = "5"; break;
case CS6: char_size = "6"; break;
case CS7: char_size = "7"; break;
case CS8: char_size = "8"; break;
}
}
/*
* Stop Bits
*/
if (t->c_cflag & CSTOPB)
stop = "2";
else
stop = "1";
printf(
"set_attributes - B%d %s-%s-%s\n",
number,
char_size,
parity,
stop
);
return 0;
}
/*
* Test Device Driver Entry Points
*/
rtems_device_driver termios_test_driver_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
rtems_status_code sc;
rtems_termios_initialize();
/*
* Register Device Names
*/
puts(
"Termios_test_driver - rtems_io_register "
TERMIOS_TEST_DRIVER_DEVICE_NAME " - OK"
);
sc = rtems_io_register_name( TERMIOS_TEST_DRIVER_DEVICE_NAME, major, 0 );
directive_failed( sc, "rtems_io_register_name" );
return RTEMS_SUCCESSFUL;
}
rtems_device_driver termios_test_driver_open(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
rtems_status_code sc;
int rc;
rtems_libio_open_close_args_t *args = arg;
static const rtems_termios_callbacks Callbacks = {
NULL, /* firstOpen */
NULL, /* lastClose */
termios_test_driver_inbyte_nonblocking, /* pollRead */
termios_test_driver_write_support, /* write */
termios_test_driver_set_attributes, /* setAttributes */
NULL, /* stopRemoteTx */
NULL, /* startRemoteTx */
0 /* outputUsesInterrupts */
};
if ( minor > 2 ) {
puts( "ERROR - Termios_testdriver - only 1 minor supported" );
rtems_test_exit(0);
}
sc = rtems_termios_open (major, minor, arg, &Callbacks);
directive_failed( sc, "rtems_termios_open" );
puts( "Termios_test_driver - rtems_set_initial_baud - bad baud - OK" );
rc = rtems_termios_set_initial_baud( args->iop->data1, 5000 );
if ( rc != -1 ) {
printf( "ERROR - return %d\n", rc );
rtems_test_exit(0);
}
puts( "Termios_test_driver - rtems_set_initial_baud - 38400 - OK" );
rc = rtems_termios_set_initial_baud( args->iop->data1, 38400 );
if ( rc ) {
printf( "ERROR - return %d\n", rc );
rtems_test_exit(0);
}
return RTEMS_SUCCESSFUL;
}
rtems_device_driver termios_test_driver_close(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_close (arg);
}
rtems_device_driver termios_test_driver_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_read (arg);
}
rtems_device_driver termios_test_driver_write(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_write (arg);
}
rtems_device_driver termios_test_driver_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void * arg
)
{
return rtems_termios_ioctl (arg);
}
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