From 0074691a67f857c9b3f880fb581e0af1d5673337 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 31 Jul 1997 22:13:29 +0000 Subject: Merged very large and much appreciated patch from Chris Johns . This patch includes the ods68302 bsp, the RTEMS++ class library, and the rtems++ test. --- c/src/lib/libbsp/m68k/ods68302/console/Makefile.in | 53 +++++ c/src/lib/libbsp/m68k/ods68302/console/console.c | 221 +++++++++++++++++++++ 2 files changed, 274 insertions(+) create mode 100644 c/src/lib/libbsp/m68k/ods68302/console/Makefile.in create mode 100644 c/src/lib/libbsp/m68k/ods68302/console/console.c (limited to 'c/src/lib/libbsp/m68k/ods68302/console') diff --git a/c/src/lib/libbsp/m68k/ods68302/console/Makefile.in b/c/src/lib/libbsp/m68k/ods68302/console/Makefile.in new file mode 100644 index 0000000000..ff608c8496 --- /dev/null +++ b/c/src/lib/libbsp/m68k/ods68302/console/Makefile.in @@ -0,0 +1,53 @@ +# +# $Id$ +# + +@SET_MAKE@ +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH=@srcdir@ + +PGM=${ARCH}/console.rel + +# C source names, if any, go here -- minus the .c +C_PIECES=console +C_FILES=$(C_PIECES:%=%.c) +C_O_FILES=$(C_PIECES:%=${ARCH}/%.o) + +H_FILES= + +SRCS=$(C_FILES) $(H_FILES) +OBJS=$(C_O_FILES) + +include $(RTEMS_CUSTOM) +include $(PROJECT_ROOT)/make/leaf.cfg + +# +# (OPTIONAL) Add local stuff here using += +# + +DEFINES += +CPPFLAGS += +CFLAGS += + +LD_PATHS += +LD_LIBS += +LDFLAGS += + +# +# Add your list of files to delete here. The config files +# already know how to delete some stuff, so you may want +# to just run 'make clean' first to see what gets missed. +# 'make clobber' already includes 'make clean' +# + +CLEAN_ADDITIONS += +CLOBBER_ADDITIONS += + +${PGM}: ${SRCS} ${OBJS} + $(make-rel) + +all: ${ARCH} $(SRCS) $(PGM) + +# the .rel file built here will be put into libbsp.a by ../wrapup/Makefile +install: all diff --git a/c/src/lib/libbsp/m68k/ods68302/console/console.c b/c/src/lib/libbsp/m68k/ods68302/console/console.c new file mode 100644 index 0000000000..bc33925f81 --- /dev/null +++ b/c/src/lib/libbsp/m68k/ods68302/console/console.c @@ -0,0 +1,221 @@ +/* + * Initialize the MC68302 SCC2 for console IO board support package. + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may in + * the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#define GEN68302_INIT + +#include +#include +#include + +/* console_initialize + * + * This routine initializes the console IO driver. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * Return values: + */ + +rtems_device_driver console_initialize( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + rtems_status_code status; + +/* debug_port_initialise(); */ + + status = rtems_io_register_name( + "/dev/console", + major, + (rtems_device_minor_number) 0 + ); + + if (status != RTEMS_SUCCESSFUL) + rtems_fatal_error_occurred(status); + + return RTEMS_SUCCESSFUL; + +} + +/* is_character_ready + * + * Check to see if a character is available on the MC68302's SCC2. If so, + * then return a TRUE (along with the character). Otherwise return FALSE. + * + * Input parameters: pointer to location in which to return character + * + * Output parameters: character (if available) + * + * Return values: TRUE - character available + * FALSE - no character available + */ + +rtems_boolean is_character_ready( + char *ch /* -> character */ +) +{ + if (debug_port_status(0)) + { + ch = debug_port_in(); + return TRUE; + } + return FALSE; +} + + +/* inbyte + * + * Receive a character from the MC68302's SCC2. + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * Return values: character read + */ + +char inbyte( void ) +{ + char ch; + + while (!is_character_ready(&ch)); + + return ch; +} + + +/* outbyte + * + * Transmit a character out on the MC68302's SCC2. + * It may support XON/XOFF flow control. + * + * Input parameters: + * ch - character to be transmitted + * + * Output parameters: NONE + */ + +void outbyte( + char ch +) +{ + debug_port_out(ch); +} + +/* + * Open entry point + */ + +rtems_device_driver console_open( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + return RTEMS_SUCCESSFUL; +} + +/* + * Close entry point + */ + +rtems_device_driver console_close( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + return RTEMS_SUCCESSFUL; +} + +/* + * read bytes from the serial port. We only have stdin. + */ + +rtems_device_driver console_read( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + rtems_libio_rw_args_t *rw_args; + char *buffer; + int maximum; + int count = 0; + + rw_args = (rtems_libio_rw_args_t *) arg; + + buffer = rw_args->buffer; + maximum = rw_args->count; + + for (count = 0; count < maximum; count++) { + buffer[ count ] = inbyte(); + if (buffer[ count ] == '\n' || buffer[ count ] == '\r') { + buffer[ count++ ] = '\n'; + buffer[ count ] = 0; + break; + } + } + + rw_args->bytes_moved = count; + return (count >= 0) ? RTEMS_SUCCESSFUL : RTEMS_UNSATISFIED; +} + +/* + * write bytes to the serial port. Stdout and stderr are the same. + */ + +rtems_device_driver console_write( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + int count; + int maximum; + rtems_libio_rw_args_t *rw_args; + char *buffer; + + rw_args = (rtems_libio_rw_args_t *) arg; + + buffer = rw_args->buffer; + maximum = rw_args->count; + + for (count = 0; count < maximum; count++) { + if ( buffer[ count ] == '\n') { + outbyte('\r'); + } + outbyte( buffer[ count ] ); + } + + rw_args->bytes_moved = maximum; + return 0; +} + +/* + * IO Control entry point + */ + +rtems_device_driver console_control( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + return RTEMS_SUCCESSFUL; +} -- cgit v1.2.3