diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-05-11 14:01:27 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2007-05-11 14:01:27 +0000 |
commit | 9744fc97ba9ab9e36e3058a19202ceef64fb6787 (patch) | |
tree | 581e2ea7196b767c4f3521f352af2a635d35e234 /c/src/lib/libbsp/m68k/dmv152/console/console.c | |
parent | 2007-05-11 Joel Sherrill <joel.sherrill@OARcorp.com> (diff) | |
download | rtems-9744fc97ba9ab9e36e3058a19202ceef64fb6787.tar.bz2 |
2007-05-11 Joel Sherrill <joel.sherrill@oarcorp.com>
* dmv152/.cvsignore, dmv152/ChangeLog, dmv152/Makefile.am,
dmv152/bsp_specs, dmv152/configure.ac, dmv152/preinstall.am,
dmv152/times, dmv152/clock/ckinit.c, dmv152/console/console.c,
dmv152/include/.cvsignore, dmv152/include/bsp.h,
dmv152/include/coverhd.h, dmv152/include/tm27.h,
dmv152/spurious/spinit.c, dmv152/startup/bspclean.c,
dmv152/startup/bspstart.c, dmv152/startup/linkcmds,
dmv152/startup/vmeintr.c, dmv152/timer/timer.c,
dmv152/timer/timerisr.S: Removed.
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/console/console.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/c/src/lib/libbsp/m68k/dmv152/console/console.c b/c/src/lib/libbsp/m68k/dmv152/console/console.c deleted file mode 100644 index e9f708d2b2..0000000000 --- a/c/src/lib/libbsp/m68k/dmv152/console/console.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * This file contains the TTY driver for the serial ports on the DMV152. - * The serial ports use a Zilog Z8530. - * - * NOTE: This driver uses the termios pseudo driver. - * This driver is polled only. - * - * COPYRIGHT (c) 1989-1999. - * 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 <bsp.h> -#include <rtems/libio.h> -#include <stdlib.h> -#include <assert.h> - -/* - * console_outbyte_polled - * - * This routine transmits a character using polling. - */ - -void console_outbyte_polled( - int port, - char ch -) -{ - uint32_t control; - uint32_t data; - uint8_t rr_0; - - if ( port == 0 ) { - control = CONSOLE_CONTROL_A; - data = CONSOLE_DATA_A; - } else { - control = CONSOLE_CONTROL_B; - data = CONSOLE_DATA_B; - } - - for ( ; ; ) { - Z8x30_READ_CONTROL( control, RR_0, rr_0 ); - if ( (rr_0 & RR_0_TX_BUFFER_EMPTY) != 0 ) - break; - } - - Z8x30_WRITE_DATA( control, ch ); -} - -/* - * console_inbyte_nonblocking - * - * This routine polls for a character. - */ - -int console_inbyte_nonblocking(int port) -{ - uint32_t control; - uint32_t data; - uint8_t rr_0; - char ch; - - if ( port == 0 ) { - control = CONSOLE_CONTROL_A; - data = CONSOLE_DATA_A; - } else { - control = CONSOLE_CONTROL_B; - data = CONSOLE_DATA_B; - } - - Z8x30_READ_CONTROL( control, RR_0, rr_0 ); - if ( !(rr_0 & RR_0_RX_DATA_AVAILABLE) ) - return -1; - - Z8x30_READ_DATA( data, ch ); - return (int) ch; -} - -/* - * DEBUG_puts - * - * This should be safe in the event of an error. It attempts to insure - * that no TX empty interrupts occur while it is doing polled IO. Then - * it restores the state of that external interrupt. - * - * Input parameters: - * string - pointer to debug output string - * - * Output parameters: NONE - * - * Return values: NONE - */ - -void DEBUG_puts( - char *string -) -{ - char *s; - - /* should disable interrupts here */ - for ( s = string ; *s ; s++ ) - console_outbyte_polled( 0, *s ); - - console_outbyte_polled( 0, '\r' ); - console_outbyte_polled( 0, '\n' ); - /* should enable interrupts here */ -} - -/* - * Console Termios Support Entry Points - * - */ - -int console_write_support (int minor, const char *buf, int len) -{ - int nwrite = 0; - - while (nwrite < len) { - console_outbyte_polled( minor, *buf++ ); - nwrite++; - } - return nwrite; -} - -/* - * Console Device Driver Entry Points - * - */ - -rtems_device_driver console_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg -) -{ - rtems_status_code status; - rtems_device_minor_number console_minor; - - rtems_termios_initialize(); - - /* - * Register Device Names - */ - -#if (USE_CHANNEL_A == 1) - console_minor = 0; -#elif (USE_CHANNEL_B == 1) - console_minor = 1; -#else -#error "DMV152 Console Driver -- no console port configured!!!" -#endif - - status = rtems_io_register_name( "/dev/console", major, console_minor ); - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - status = rtems_io_register_name( "/dev/console_a", major, 0 ); - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - status = rtems_io_register_name( "/dev/console_b", major, 1 ); - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - /* - * Initialize Hardware - */ - - return RTEMS_SUCCESSFUL; -} - -rtems_device_driver console_open( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - rtems_status_code sc; - static const rtems_termios_callbacks pollCallbacks = { - NULL, /* firstOpen */ - NULL, /* lastClose */ - console_inbyte_nonblocking, /* pollRead */ - console_write_support, /* write */ - NULL, /* setAttributes */ - NULL, /* stopRemoteTx */ - NULL, /* startRemoteTx */ - 0 /* outputUsesInterrupts */ - }; - - assert( minor <= 1 ); - if ( minor > 2 ) - return RTEMS_INVALID_NUMBER; - - sc = rtems_termios_open (major, minor, arg, &pollCallbacks ); - - return RTEMS_SUCCESSFUL; -} - -rtems_device_driver console_close( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return rtems_termios_close (arg); -} - -rtems_device_driver console_read( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return rtems_termios_read (arg); -} - -rtems_device_driver console_write( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return rtems_termios_write (arg); -} - -rtems_device_driver console_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void * arg -) -{ - return rtems_termios_ioctl (arg); -} |