diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme136/console/console.c')
-rw-r--r-- | c/src/lib/libbsp/m68k/mvme136/console/console.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme136/console/console.c b/c/src/lib/libbsp/m68k/mvme136/console/console.c deleted file mode 100644 index ce8fa8de72..0000000000 --- a/c/src/lib/libbsp/m68k/mvme136/console/console.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * This file contains the MVME136 console IO package. - */ - -/* - * COPYRIGHT (c) 1989-2014. - * 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.org/license/LICENSE. - */ - -#include <bsp.h> -#include <rtems/libio.h> - -volatile struct r_m681_info *_Read_m681; /* M68681 read registers */ -volatile struct w_m681_info *_Write_m681; /* M68681 write registers */ - -/* console_initialize - * - * This routine initializes the console IO driver. - */ -rtems_device_driver console_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg -) -{ - rtems_status_code status; - - _Write_m681 = ( struct w_m681_info * ) M681ADDR; - _Read_m681 = ( struct r_m681_info * ) M681ADDR; - - 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; -} - -/* inbyte - * - * This routine reads a character from the UART. - */ -static char inbyte( void ) -{ - while ( !(_Read_m681->srb & RXRDYB) ); - return _Read_m681->rbb; -} - -/* outbyte - * - * This routine transmits a character out the M68681. It supports - * XON/XOFF flow control. - */ -static void outbyte( - char ch -) -{ - while ( ! (_Read_m681->srb & TXRDYB) ) ; - while ( _Read_m681->srb & RXRDYB ) /* must be an XOFF */ - if ( _Read_m681->rbb == XOFF ) - do { - while ( ! (_Read_m681->srb & RXRDYB) ) ; - } while ( _Read_m681->rbb != XON ); - - _Write_m681->tbb = ch; - if ( ch == '\n' ) - outbyte( CR ); -} - -/* - * 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'; - 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; -} |