forked from Imagelibrary/rtems
162 lines
3.6 KiB
C
162 lines
3.6 KiB
C
/*
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* COPYRIGHT (c) 1989-2012.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tmacros.h>
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#include "test_support.h"
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#include "termios_testdriver_intr.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <termios.h>
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#include <rtems/dumpbuf.h>
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const char rtems_test_name[] = "TERMIOS 4";
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/* forward declarations to avoid warnings */
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void write_helper(int fd, const char *c);
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void read_helper(int fd, const char *expected);
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void open_it(void);
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void close_it(void);
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void change_iflag(const char *desc, int mask, int new);
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rtems_task Init(rtems_task_argument argument);
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void write_helper(
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int fd,
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const char *c
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)
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{
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size_t len;
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int rc;
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len = strlen( c );
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printf( "Writing: %s", c );
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rc = write( fd, c, len );
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rtems_test_assert( rc == len );
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termios_test_driver_dump_tx("Transmitted");
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}
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uint8_t read_helper_buffer[256];
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void read_helper(
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int fd,
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const char *expected
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)
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{
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int rc;
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size_t len;
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len = strlen( expected );
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termios_test_driver_set_rx( expected, len );
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printf( "\nReading (expected):\n" );
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rtems_print_buffer( (unsigned char *)expected, len-1 );
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rc = read( fd, read_helper_buffer, sizeof(read_helper_buffer) );
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rtems_test_assert( rc != -1 );
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printf( "Read %d bytes from read(2)\n", rc );
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rtems_print_buffer( read_helper_buffer, rc );
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termios_test_driver_dump_tx("As Read");
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}
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int Test_fd;
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void open_it(void)
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{
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/* open the file */
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puts( "open(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
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Test_fd = open( TERMIOS_TEST_DRIVER_DEVICE_NAME, O_RDWR );
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rtems_test_assert( Test_fd != -1 );
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}
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void close_it(void)
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{
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int rc;
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puts( "close(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
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rc = close( Test_fd );
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rtems_test_assert( rc == 0 );
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}
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void change_iflag( const char *desc, int mask, int new )
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{
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int rc;
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struct termios attr;
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printf( "Changing c_iflag to: %s\n", desc );
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rc = tcgetattr( Test_fd, &attr );
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rtems_test_assert( rc == 0 );
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attr.c_iflag &= ~mask;
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attr.c_iflag |= new;
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rc = tcsetattr( Test_fd, TCSANOW, &attr );
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rtems_test_assert( rc == 0 );
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}
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const char ExpectedOutput_1[] = "This is interrupt driven test output.\n";
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const char ExpectedInput_1[] = "Blocking interrupt driven read.\n";
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const char ExpectedInput_2[] = "Non-Blocking interrupt driven read.\n";
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rtems_task Init(
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rtems_task_argument argument
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)
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{
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TEST_BEGIN();
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open_it();
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/* some basic cases */
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write_helper( Test_fd, ExpectedOutput_1 );
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read_helper( Test_fd, ExpectedInput_1 );
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termios_test_driver_set_rx_enqueue_now( true );
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read_helper( Test_fd, ExpectedInput_2 );
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close_it();
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TEST_END();
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rtems_test_exit(0);
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}
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/* configuration information */
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_APPLICATION_EXTRA_DRIVERS \
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TERMIOS_TEST_DRIVER_TABLE_ENTRY
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/* include an extra slot for registering the termios one dynamically */
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#define CONFIGURE_MAXIMUM_DRIVERS 3
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/* one for the console and one for the test port */
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#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 3
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/* we need to be able to open the test device */
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#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4
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#define CONFIGURE_MAXIMUM_TASKS 1
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#define CONFIGURE_MAXIMUM_TIMERS 2
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#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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/* end of file */
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