Simple Serial Test Program
/*
* File name: init.c
*
* A simple serial and shell test program.
*
* COPYRIGHT (c) 2008.
* RobertF
*
* 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.
*
*/
#define CONFIGURE_INIT
#include <stdio.h>
#include <stdlib.h>
#include <string.h> /* String function definitions */
#include <unistd.h> /* UNIX standard function definitions */
#include <fcntl.h> /* File control definitions */
#include <errno.h> /* Error number definitions */
#include <termios.h> /* POSIX terminal control definitions */
#include <rtems.h>
#include <rtems/shell.h>
#include <bsp.h>
#include <bsp/tty_drv.h>
extern rtems_task Init(rtems_task_argument argument);
#define CONFIGURE_APPLICATION_EXTRA_DRIVERS TTY1_DRIVER_TABLE_ENTRY
#ifdef RTEMS_BSP_HAS_IDE_DRIVER
#include <libchip/ata.h> /* for ata driver prototype */
#include <libchip/ide_ctrl.h> /* for general ide driver prototype */
#endif
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#ifdef RTEMS_BSP_HAS_IDE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_IDE_DRIVER
#endif
#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
/*
* these values are higher than needed...
*/
#define CONFIGURE_MAXIMUM_TASKS 20
#define CONFIGURE_MAXIMUM_SEMAPHORES 20
#define CONFIGURE_MAXIMUM_MESSAGE_QUEUES 20
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 20
#define STACK_CHECKER_ON
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_EXTRA_TASK_STACKS (6 * RTEMS_MINIMUM_STACK_SIZE)
#define CONFIGURE_MALLOC_STATISTICS
#include <rtems/confdefs.h>
#define CONFIGURE_SHELL_COMMANDS_INIT
#define CONFIGURE_SHELL_COMMANDS_ALL
#include <rtems/shellconfig.h>
void testCom1(void) {
char buffer[256];
printf("*** Simple COM1 Test (9600 8N1) ***\n");
int fd = open("/dev/ttyS1", O_RDWR | O_NOCTTY | _FNDELAY);
printf("\nOpened COM1, fd=%d\n\n", fd);
int numBytes = write(fd, "Hello, I'm waiting for input...\r\n", 33);
if (numBytes < 0) {
printf("\nFailed to send from COM1!\n");
}
numBytes = read(fd, buffer, 255);
if (numBytes < 0) {
printf("\nFailed to read from COM1!\n");
} else {
buffer[numBytes] = 0; // terminate
printf(buffer);
}
}
rtems_task Init(rtems_task_argument ignored) {
testCom1();
printf("\n====== starting shell ======\n");
rtems_shell_init(
"SHLL", /* task_name */
RTEMS_MINIMUM_STACK_SIZE * 4, /* task_stacksize */
100, /* task_priority */
"/dev/console", /* devname */
0, /* forever */
1 /* wait */
);
exit( 0 );
}