2010-06-28 Joel Sherrill <joel.sherrill@oarcorp.com>

* Makefile.am, configure.ac: Add new test to exercise termios RX and TX
	interrupt driven IO support.
	* termios04/.cvsignore, termios04/Makefile.am, termios04/init.c,
	termios04/termios04.doc, termios04/termios04.scn,
	termios04/termios_testdriver_intr.c,
	termios04/termios_testdriver_intr.h: New files.

testsuites/libtests/termios04/init.c

@@ -0,0 +1,147 @@
+/*
+ *  COPYRIGHT (c) 1989-2010.
+ *  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 "test_support.h"
+#include "termios_testdriver_intr.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <termios.h>
+#include <rtems/dumpbuf.h>
+
+void write_helper(
+  int        fd,
+  const char *c
+)
+{
+  size_t   len;
+  int      rc;
+  
+  len = strlen( c );
+  printf( "Writing: %s", c );
+
+  rc = write( fd, c, len );
+  rtems_test_assert( rc == len );
+
+  termios_test_driver_dump_tx("Transmitted");
+}
+
+uint8_t read_helper_buffer[256];
+
+void read_helper(
+  int         fd,
+  const char *expected
+)
+{
+  int    rc;
+  size_t len;
+
+  len = strlen( expected );
+
+  termios_test_driver_set_rx( expected, len );
+  printf( "\nReading (expected):\n" );
+  rtems_print_buffer( (unsigned char *)expected, len-1 );
+
+  rc = read( fd, read_helper_buffer, sizeof(read_helper_buffer) );
+  rtems_test_assert( rc != -1 );
+
+  printf( "Read %d bytes from read(2)\n", rc );
+  rtems_print_buffer( read_helper_buffer, rc );
+
+  termios_test_driver_dump_tx("As Read");
+}
+
+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 change_iflag( const char *desc, int mask, int new )
+{
+  int            rc;
+  struct termios attr;
+
+  printf( "Changing c_iflag to: %s\n", desc );
+  rc = tcgetattr( Test_fd, &attr );
+  rtems_test_assert( rc == 0 );
+
+  attr.c_iflag &= ~mask;
+  attr.c_iflag |= new;
+
+  rc = tcsetattr( Test_fd, TCSANOW, &attr );
+  rtems_test_assert( rc == 0 );
+}
+
+const char ExpectedOutput_1[] = "This is interrupt driven test output.\n";
+const char ExpectedInput_1[] = "Blocking interrupt driven read.\n";
+const char ExpectedInput_2[] = "Non-Blocking interrupt driven read.\n";
+
+rtems_task Init(
+  rtems_task_argument argument
+)
+{
+  puts( "\n\n*** TEST TERMIOS04 ***" );
+
+  open_it();
+
+  /* some basic cases */
+  write_helper( Test_fd, ExpectedOutput_1 );
+  read_helper( Test_fd, ExpectedInput_1 );
+  termios_test_driver_set_rx_enqueue_now( true );
+  read_helper( Test_fd, ExpectedInput_2 );
+
+  close_it();
+
+  puts( "*** END OF TEST TERMIOS04 ***" );
+
+  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
+
+/* include an extra slot for registering the termios one dynamically */
+#define CONFIGURE_MAXIMUM_DRIVERS 3
+
+/* 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_MAXIMUM_TIMERS            2
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
+/* end of file */