diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/idp/console/console.c')
| -rw-r--r-- | c/src/lib/libbsp/m68k/idp/console/console.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/c/src/lib/libbsp/m68k/idp/console/console.c b/c/src/lib/libbsp/m68k/idp/console/console.c deleted file mode 100644 index 200d52e40b..0000000000 --- a/c/src/lib/libbsp/m68k/idp/console/console.c +++ /dev/null @@ -1,227 +0,0 @@ -/* - * This file contains the Motorola IDP console IO package. - */ - -/* - * Written by Doug McBride, Colorado Space Grant College - * Based off of the board support packages of RTEMS - * - * Updated to RTEMS 3.2.0 by Joel Sherrill. - */ - -#define MIDP_INIT - -#include <bsp.h> -#include <rtems/libio.h> - -#include <rtems/ringbuf.h> - -Ring_buffer_t Console_Buffer[ 2 ]; - -rtems_isr C_Receive_ISR(rtems_vector_number vector); - -/* 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; - - Ring_buffer_Initialize( &Console_Buffer[ 0 ] ); - Ring_buffer_Initialize( &Console_Buffer[ 1 ] ); - - init_pit(); - - status = rtems_io_register_name( - "/dev/console", - major, - (rtems_device_minor_number) 0 - ); - - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - status = rtems_io_register_name( - "/dev/tty00", - major, - (rtems_device_minor_number) 0 - ); - - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - status = rtems_io_register_name( - "/dev/tty01", - major, - (rtems_device_minor_number) 1 - ); - - if (status != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(status); - - return RTEMS_SUCCESSFUL; -} - -/* is_character_ready - * - * This routine returns TRUE if a character is available. - */ -static bool is_character_ready( - char *ch, - int port -) -{ - if ( Ring_buffer_Is_empty( &Console_Buffer[ port ] ) ) - return false; - - Ring_buffer_Remove_character( &Console_Buffer[ port ], *ch ); - return true; -} - -/* inbyte - * - * This routine reads a character from the UART through a buffer. - */ -static char inbyte( - int port -) -{ - char tmp_char; - - /* If you come into this routine without checking is_character_ready() first - and you want nonblocking code, then it's your own fault */ - - while ( !is_character_ready( &tmp_char, port ) ); - - return tmp_char; -} - -/* outbyte - * - * This routine transmits a character out the M68681. It supports - * XON/XOFF flow control. - */ -static void outbyte( - char ch, - int port -) -{ - switch ( port ) { - case 0: - transmit_char( ch ); - break; - case 1: - transmit_char_portb( ch ); - break; - } - -} - -/* - * 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; - - if ( minor > 1 ) - return RTEMS_INVALID_NUMBER; - - for (count = 0; count < maximum; count++) { - buffer[ count ] = inbyte( minor ); - 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; - - if ( minor > 1 ) - return RTEMS_INVALID_NUMBER; - - for (count = 0; count < maximum; count++) { - if ( buffer[ count ] == '\n') { - outbyte('\r', minor ); - } - outbyte( buffer[ count ], minor ); - } - - 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; -} |