diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/dmv152/console/console.c')
-rw-r--r-- | c/src/lib/libbsp/m68k/dmv152/console/console.c | 133 |
1 files changed, 97 insertions, 36 deletions
diff --git a/c/src/lib/libbsp/m68k/dmv152/console/console.c b/c/src/lib/libbsp/m68k/dmv152/console/console.c index bb0f365b9c..ed0cd801c8 100644 --- a/c/src/lib/libbsp/m68k/dmv152/console/console.c +++ b/c/src/lib/libbsp/m68k/dmv152/console/console.c @@ -14,10 +14,9 @@ #define D152_INIT -#include <rtems.h> -#include "console.h" -#include "bsp.h" - +#include <bsp.h> +#include <rtems/libio.h> + /* console_initialize * * This routine initializes the console IO driver. @@ -28,19 +27,27 @@ * * 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 + void *arg ) { - *status = RTEMS_SUCCESSFUL; + 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; } - /* is_character_ready * * This routine returns TRUE if a character is available. @@ -139,48 +146,102 @@ void outbyte( } /* - * __read -- read bytes from the serial port. Ignore fd, since - * we only have stdin. + * Open entry point */ -int __read( - int fd, - char *buf, - int nbytes +rtems_device_driver console_open( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg ) { - int i = 0; + 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. + */ - for (i = 0; i < nbytes; i++) { - *(buf + i) = inbyte(); - if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) { - (*(buf + i++)) = '\n'; - (*(buf + i)) = 0; +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; } } - return (i); + + rw_args->bytes_moved = count; + return (count >= 0) ? RTEMS_SUCCESSFUL : RTEMS_UNSATISFIED; } /* - * __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. + * write bytes to the serial port. Stdout and stderr are the same. */ -int __write( - int fd, - char *buf, - int nbytes +rtems_device_driver console_write( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg ) { - int i; + int count; + int maximum; + rtems_libio_rw_args_t *rw_args; + char *buffer; - for (i = 0; i < nbytes; i++) { - if (*(buf + i) == '\n') { - outbyte ('\r'); + 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 (*(buf + i)); + outbyte( buffer[ count ] ); } - return (nbytes); + return maximum; +} + +/* + * IO Control entry point + */ + +rtems_device_driver console_control( + rtems_device_major_number major, + rtems_device_minor_number minor, + void * arg +) +{ + return RTEMS_SUCCESSFUL; } |