/*
* COPYRIGHT (c) 1989-2012.
* 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.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tmacros.h>
#include "test_support.h"
#include "termios_testdriver_polled.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <rtems/dumpbuf.h>
#include <rtems/termiostypes.h>
const char rtems_test_name[] = "TERMIOS 8";
/* forward declarations to avoid warnings */
rtems_task Init(rtems_task_argument argument);
void open_it(void);
void close_it(void);
void write_it(void);
void change_lflag( const char *desc, int mask, int new );
void change_vmin_vtime( const char *desc, int min, int time );
void read_it(ssize_t expected);
int Test_fd;
void open_it(void)
{
/* open the file */
puts( "open(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
Test_fd = open( TERMIOS_TEST_DRIVER_DEVICE_NAME, O_RDWR );
rtems_test_assert( Test_fd != -1 );
}
void close_it(void)
{
int rc;
puts( "close(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
rc = close( Test_fd );
rtems_test_assert( rc == 0 );
}
void write_it(void)
{
ssize_t sc;
char ch[10] = "PPPD TEST";
puts( "write(PPPD TEST) - OK " );
sc = write(Test_fd, ch, sizeof(ch));
rtems_test_assert( sc == sizeof(ch) );
}
uint8_t read_helper_buffer[256];
void change_lflag( const char *desc, int mask, int new )
{
int rc;
struct termios attr;
printf( "Changing c_lflag to: %s\n", desc );
rc = tcgetattr( Test_fd, &attr );
rtems_test_assert( rc == 0 );
attr.c_lflag &= ~mask;
attr.c_lflag |= new;
rc = tcsetattr( Test_fd, TCSANOW, &attr );
rtems_test_assert( rc == 0 );
}
void change_vmin_vtime( const char *desc, int min, int time )
{
int rc;
struct termios attr;
printf( "Changing %s - VMIN=%d VTIME=%d\n", desc, min, time );
rc = tcgetattr( Test_fd, &attr );
rtems_test_assert( rc == 0 );
attr.c_cc[VMIN] = min;
attr.c_cc[VTIME] = time;
rc = tcsetattr( Test_fd, TCSANOW, &attr );
rtems_test_assert( rc == 0 );
}
void read_it( ssize_t expected )
{
ssize_t rc;
char buf[32];
rtems_test_assert( expected <= sizeof(buf) );
printf( "read - %zd expected\n", expected );
rc = read( Test_fd, buf, expected );
if ( expected != rc )
printf( "ERROR - expected=%zd rc=%zd\n", expected, rc );
rtems_test_assert( expected == rc );
}
rtems_task Init(
rtems_task_argument argument
)
{
TEST_BEGIN();
open_it();
change_lflag( "non-canonical", ICANON, 0 );
change_vmin_vtime( "to polling", 0, 0 );
read_it( 0 );
change_vmin_vtime( "to half-second timeout", 0, 5 );
read_it( 0 );
change_vmin_vtime( "to half-second timeout", 5, 3 );
puts( "Enqueue 2 characters" );
termios_test_driver_set_rx( "ab", 2 );
read_it( 2 );
change_vmin_vtime( "to half-second timeout", 5, 3 );
puts( "Enqueue 1 character" );
termios_test_driver_set_rx( "b", 1 );
read_it( 1 );
puts( "Enqueue 7 characters" );
termios_test_driver_set_rx( "1234567", 7 );
read_it( 5 );
read_it( 2 );
close_it();
TEST_END();
rtems_test_exit(0);
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_EXTRA_DRIVERS TERMIOS_TEST_DRIVER_TABLE_ENTRY
/* one for the console and one for the test port */
#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 3
/* we need to be able to open the test device */
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */