converter/x68k_usb/led.c

   1 /*
   2 Copyright 2012 Jun Wako <wakojun@gmail.com>
   3
   4 This program is free software: you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation, either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #include "stdint.h"
  19 #include "serial.h"
  20 #include "led.h"
  21 #include "debug.h"
  22
  23
  24 void led_set(uint8_t usb_led)
  25 {
  26     /* X68000 LED bits 0: on, 1: off
  27      * bit 7   1(fixed)
  28      * bit 6   全角
  29      * bit 5   ひらがな
  30      * bit 4   INS
  31      * bit 3   CAPS
  32      * bit 2   コード入力
  33      * bit 1   ローマ字
  34      * bit 0   かな
  35      */
  36     uint8_t led = 0xFF;
  37     if (usb_led&(1<<USB_LED_NUM_LOCK))      led &= ~(1<<2);
  38     if (usb_led&(1<<USB_LED_CAPS_LOCK))     led &= ~(1<<3);
  39     if (usb_led&(1<<USB_LED_SCROLL_LOCK))   led &= ~(1<<1);
  40     if (usb_led&(1<<USB_LED_COMPOSE))       led &= ~(1<<4);
  41     if (usb_led&(1<<USB_LED_KANA))          led &= ~(1<<0);
  42     serial_send(led);
  43 }