diff options
Diffstat (limited to 'cpukit/libmisc/serdbg/termios_printk.c')
| -rw-r--r-- | cpukit/libmisc/serdbg/termios_printk.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/cpukit/libmisc/serdbg/termios_printk.c b/cpukit/libmisc/serdbg/termios_printk.c deleted file mode 100644 index 2b5a7f8e69..0000000000 --- a/cpukit/libmisc/serdbg/termios_printk.c +++ /dev/null @@ -1,245 +0,0 @@ -/* SPDX-License-Identifier: BSD-2-Clause */ - -/* - * TERMIOS printk support - * this module performs low-level printk output using - * a polled termios driver - */ - -/* - * Copyright (c) 2002 IMD Ingenieurbuero fuer Microcomputertechnik - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <rtems.h> -#include <rtems/libio_.h> -#include <errno.h> -#include <stdio.h> -#include <fcntl.h> -#include <termios.h> - -#include <rtems/termiostypes.h> -#include <rtems/bspIo.h> -#include <rtems/termios_printk.h> - -/* - * internal variables - */ -int termios_printk_fd = -1; -struct rtems_termios_tty *termios_printk_tty; - -static void _termios_printk_null_char( - char c RTEMS_UNUSED) -{ - return; -} - -BSP_output_char_function_type BSP_output_char = _termios_printk_null_char; -BSP_polling_getchar_function_type BSP_poll_char; - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -void termios_printk_outputchar -/*-------------------------------------------------------------------------*\ -| Purpose: | -| send one character to serial port | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ -( - char c /* character to print */ -) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - /* - * check, whether printk serial port is available - */ - - if ((termios_printk_tty != NULL) && - (termios_printk_tty->device.write != NULL)) { - /* - * call termios_printk polling callout, if available - */ - if (termios_printk_conf.callout != NULL) { - termios_printk_conf.callout(); - } - /* - * send character to debug serial port - */ - termios_printk_tty->device.write(termios_printk_tty->minor,&c,1); - } -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -int termios_printk_inputchar -/*-------------------------------------------------------------------------*\ -| Purpose: | -| wait for one character from serial port | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ -( - void /* none */ -) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| received character | -\*=========================================================================*/ -{ - int c = -1; - /* - * check, whether debug serial port is available - */ - if ((termios_printk_tty != NULL) && - (termios_printk_tty->device.pollRead != NULL)) { - do { - /* - * call termios_printk polling callout, if available - */ - if (termios_printk_conf.callout != NULL) { - termios_printk_conf.callout(); - } - /* - * get character from debug serial port - */ - c = termios_printk_tty->device.pollRead(termios_printk_tty->minor); - } while (c < 0); - } - return c; -} - - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -int termios_printk_open - -/*-------------------------------------------------------------------------*\ -| Purpose: | -| try to open given serial debug port | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ -( - const char *dev_name, /* name of device to open */ - uint32_t baudrate /* baud rate to use */ -) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| 0 on success, -1 and errno otherwise | -\*=========================================================================*/ -{ - bool err_occurred = false; - rtems_libio_t *iop = NULL; - struct termios act_termios; - tcflag_t baudcode = B0; - - if (termios_printk_fd >= 0) { - /* - * already initialized - */ - return 0; - } - /* - * translate baudrate into baud code - */ - switch(baudrate) { - case 50: baudcode = B50; break; - case 75: baudcode = B75; break; - case 110: baudcode = B110; break; - case 134: baudcode = B134; break; - case 150: baudcode = B150; break; - case 200: baudcode = B200; break; - case 300: baudcode = B300; break; - case 600: baudcode = B600; break; - case 1200: baudcode = B1200; break; - case 1800: baudcode = B1800; break; - case 2400: baudcode = B2400; break; - case 4800: baudcode = B4800; break; - case 9600: baudcode = B9600; break; - case 19200: baudcode = B19200; break; - case 38400: baudcode = B38400; break; - case 57600: baudcode = B57600; break; - case 115200: baudcode = B115200; break; - case 230400: baudcode = B230400; break; - case 460800: baudcode = B460800; break; - default : err_occurred = true; errno = EINVAL; break; - } - /* - * open device for serdbg operation - */ - if (!err_occurred && - (dev_name != NULL) && - (dev_name[0] != '\0')) { - termios_printk_fd = open(dev_name,O_RDWR); - if (termios_printk_fd < 0) { - err_occurred = true; - } - } - /* - * capture tty structure - */ - if (!err_occurred) { - iop = rtems_libio_iop(termios_printk_fd); - termios_printk_tty = iop->data1; - } - /* - * set device baudrate - * (and transp mode, this is not really needed) - * ... - */ - /* - * ... get fd settings - */ - if (!err_occurred && - (0 != tcgetattr(termios_printk_fd,&act_termios))) { - err_occurred = true; - } - if (!err_occurred) { - - cfsetospeed(&act_termios,baudcode); - cfsetispeed(&act_termios,baudcode); - - if (0 != tcsetattr(termios_printk_fd,TCSANOW,&act_termios)) { - err_occurred = true; - } - } - if (!err_occurred) { - BSP_output_char = termios_printk_outputchar; - BSP_poll_char = termios_printk_inputchar; - } - return (err_occurred - ? -1 - : 0); -} |