diff options
Diffstat (limited to 'cpukit/libmisc/mouse/serial_mouse.c')
| -rw-r--r-- | cpukit/libmisc/mouse/serial_mouse.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/cpukit/libmisc/mouse/serial_mouse.c b/cpukit/libmisc/mouse/serial_mouse.c new file mode 100644 index 0000000000..c61401626d --- /dev/null +++ b/cpukit/libmisc/mouse/serial_mouse.c @@ -0,0 +1,184 @@ +/* + * COPYRIGHT (c) 1989-2011. + * 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.com/license/LICENSE. + * + * $Id$ + */ + +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +#include <rtems/libio.h> +#include <termios.h> +#include <rtems/termiostypes.h> +#include <rtems/mouse_parser.h> +#include <rtems/serial_mouse.h> + +int serial_mouse_fd = -1; +const char *serial_mouse_device; +const char *serial_mouse_type; + +int serial_mouse_l_rint(int c, struct rtems_termios_tty *tp) +{ + unsigned char buf = c; + + /* call mouse_parser( void *ptr, char *buffer, int size ) */ + mouse_parser_enqueue( &buf, 1 ); + return 0; +} + +static struct rtems_termios_linesw serial_mouse_linesw = { + .l_open = NULL, + .l_close = NULL, + .l_read = NULL, + .l_write = NULL, + .l_rint = serial_mouse_l_rint, + .l_start = NULL, + .l_ioctl = NULL, + .l_modem = NULL +}; + + +/* + * Serial Mouse - device driver INITIALIZE entry point. + */ +rtems_device_driver serial_mouse_initialize( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + bool status; + + status = bsp_get_serial_mouse_device( + &serial_mouse_device, + &serial_mouse_type + ); + + (void) rtems_io_register_name( "/dev/mouse", major, 0 ); + + rtems_termios_linesw[ 6 ] = serial_mouse_linesw; + + return RTEMS_SUCCESSFUL; +} + +/* + * serial_mouse - device driver OPEN entry point + */ +rtems_device_driver serial_mouse_open( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *args +) +{ + struct termios termios_attr; + int status; + int disc = 6; + + /* XXX open(2) the configured /dev/comX */ + /* XXX save the file descriptor */ + serial_mouse_fd = open( serial_mouse_device, O_RDONLY ); + if ( serial_mouse_fd == -1 ) { + printk( + "Error opening serial_mouse device on %s\n", + serial_mouse_device + ); + return RTEMS_IO_ERROR; + } + + /* 1200-8-N-1, without hardware flow control */ + /* BSP_uart_init( BSP_UART_PORT, 1200, CHR_8_BITS, 0, 0, 0 ); */ + status = tcgetattr(serial_mouse_fd, &termios_attr ); + if (status != 0) { + printk("Error getting mouse attributes\n"); + return RTEMS_IO_ERROR; + } + termios_attr.c_lflag &= ~(ICANON|ECHO|ECHONL|ECHOK|ECHOE|ECHOPRT|ECHOCTL); + termios_attr.c_iflag &= ~(IXON|IXANY|IXOFF); + /* + termios_attr.c_cc[VMIN] = itask_VMIN; + termios_attr.c_cc[VTIME] = itask_VTIME; + */ + termios_attr.c_cflag |= B1200; + termios_attr.c_cflag |= CS8; + status = tcsetattr( serial_mouse_fd, TCSANOW, &termios_attr ); + if (status != 0) { + printk("Error setting mouse attributes\n"); + return RTEMS_IO_ERROR; + } + + status = ioctl(serial_mouse_fd, TIOCSETD, &disc); + if (status != 0) { + printk("Error setting mouse attributes\n"); + return RTEMS_IO_ERROR; + } + + sleep(5); + return RTEMS_SUCCESSFUL; +} + +rtems_device_driver serial_mouse_close( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + close( serial_mouse_fd ); + + return RTEMS_SUCCESSFUL; +} + +rtems_device_driver serial_mouse_read( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + return RTEMS_SUCCESSFUL; +} + + +rtems_device_driver serial_mouse_write( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + return RTEMS_SUCCESSFUL; +} + + +rtems_device_driver serial_mouse_control( + rtems_device_major_number major, + rtems_device_minor_number minor, + void *arg +) +{ + rtems_libio_ioctl_args_t *args = (rtems_libio_ioctl_args_t *)arg; + + switch( args->command ) { + + case MW_UID_REGISTER_DEVICE: + printk( "SerialMouse: reg=%s\n", args->buffer ); + mouse_parser_initialize( serial_mouse_type ); + break; + + case MW_UID_UNREGISTER_DEVICE: + break; + + default: + args->ioctl_return = ioctl(serial_mouse_fd, args->command, args->buffer ); + if ( !args->ioctl_return ) + return RTEMS_SUCCESSFUL; + return RTEMS_IO_ERROR; + } + args->ioctl_return = 0; + return RTEMS_SUCCESSFUL; +} |