diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme147/console/console.c')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme147/console/console.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme147/console/console.c b/c/src/lib/libbsp/m68k/mvme147/console/console.c deleted file mode 100644 index f26ca6485a..0000000000 --- a/c/src/lib/libbsp/m68k/mvme147/console/console.c +++ /dev/null @@ -1,203 +0,0 @@ -/* - * This file contains the MVME147 console IO package. - */ - -/* - * 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.org/license/LICENSE. - * - * MVME147 port for TNI - Telecom Bretagne - * by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr) - * May 1996 - * - * This file was taken from the DMV152 bsp - */ - -#define M147_INIT - -#include <rtems/console.h> -#include <rtems/libio.h> -#include <rtems/zilog/z8530.h> -#include <rtems/iosupp.h> -#include <bsp.h> - -/* 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; - - 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 SCC. - */ -static char inbyte( void ) -{ - uint8_t rr_0; - char ch; - - for ( ; ; ) { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - if ( (rr_0 & RR_0_RX_DATA_AVAILABLE) != 0 ) - break; - } - - Z8x30_READ_DATA( CONSOLE_DATA, ch ); - return ( ch ); -} - -/* outbyte - * - * This routine transmits a character out the SCC. It supports - * XON/XOFF flow control. - */ -static void outbyte( - char ch -) -{ - uint8_t rr_0; - char flow_control; - - for ( ; ; ) { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - if ( (rr_0 & RR_0_TX_BUFFER_EMPTY) != 0 ) - break; - } - - for ( ; ; ) { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - if ( (rr_0 & RR_0_RX_DATA_AVAILABLE) == 0 ) - break; - - Z8x30_READ_DATA( CONSOLE_DATA, flow_control ); - - if ( flow_control == XOFF ) - do { - do { - Z8x30_READ_CONTROL( CONSOLE_CONTROL, RR_0, rr_0 ); - } while ( (rr_0 & RR_0_RX_DATA_AVAILABLE) == 0 ); - Z8x30_READ_DATA( CONSOLE_DATA, flow_control ); - } while ( flow_control != XON ); - } - - Z8x30_WRITE_DATA( CONSOLE_DATA, 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'; - 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; -} |