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 | 216 |
1 files changed, 0 insertions, 216 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 7bb720c120..0000000000 --- a/c/src/lib/libbsp/m68k/idp/console/console.c +++ /dev/null @@ -1,216 +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. - * - * $Id$ - */ - -#define MIDP_INIT - -#include "rtems.h" -#include "console.h" -#include "bsp.h" - -#include "ringbuf.h" - -Ring_buffer_t Buffer[ 2 ]; - -rtems_isr C_Receive_ISR(rtems_vector_number vector); - - -/* 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_id self, - rtems_unsigned32 *status -) -{ - - Ring_buffer_Initialize( &Buffer[ 0 ] ); - Ring_buffer_Initialize( &Buffer[ 1 ] ); - - init_pit(); - - *status = RTEMS_SUCCESSFUL; -} - - -/* is_character_ready - * - * This routine returns TRUE if a character is available. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_boolean is_character_ready( - char *ch, - int port -) -{ - if ( Ring_buffer_Is_empty( &Buffer[ port ] ) ) - return FALSE; - - Ring_buffer_Remove_character( &Buffer[ port ], *ch ); - return TRUE; -} - -/* quick_char_check - * - * This routine returns TRUE if a character is available. - * It is different from above because it does not disturb the ring buffer - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_boolean quick_char_check( - int port -) -{ - if ( Ring_buffer_Is_empty( &Buffer[ port ] ) ) - return FALSE; - - return TRUE; -} - -/* inbyte - * - * This routine reads a character from the UART through a buffer. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: - * character read from UART - */ - -char inbyte( - int port -) -{ - unsigned 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. - * - * Input parameters: - * ch - character to be transmitted - * - * Output parameters: NONE - */ - -void outbyte( - char ch, - int port -) -{ - switch ( port ) { - case 0: - transmit_char( ch ); - break; - case 1: - transmit_char_portb( ch ); - break; - } - -} - -/* - * __read -- read bytes from the serial port. Ignore fd, since - * we only have stdin. - */ - -int __read( - int fd, - char *buf, - int nbytes -) -{ - int i = 0; - int port; - - /* - * Map port A to stdin, stdout, and stderr. - * Map everything else to port B. - */ - - if ( fd <= 2 ) port = 0; - else port = 1; - - for (i = 0; i < nbytes; i++) { - *(buf + i) = inbyte( port ); - if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) { - (*(buf + i++)) = '\n'; - (*(buf + i)) = 0; - break; - } - } - return (i); -} - -/* - * __write -- write bytes to the serial port. Ignore fd, since - * stdout and stderr are the same. Since we have no filesystem, - * open will only return an error. - */ - -int __write( - int fd, - char *buf, - int nbytes -) -{ - int i; - int port; - - /* - * Map port A to stdin, stdout, and stderr. - * Map everything else to port B. - */ - - if ( fd <= 2 ) port = 0; - else port = 1; - - for (i = 0; i < nbytes; i++) { - if (*(buf + i) == '\n') { - outbyte ('\r', port ); - } - outbyte (*(buf + i), port ); - } - return (nbytes); -} |