2 Copyright 2015 Jun Wako <wakojun@gmail.com>
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.
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.
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/>.
22 #include "led_controller.h"
24 /* WARNING! This function needs to be callable from
25 * both regular threads and ISRs, unlocked (during resume-from-sleep).
26 * In particular, I2C functions (interrupt-driven) should NOT be called from here.
28 void led_set(uint8_t usb_led) {
31 if (usb_led & (1<<USB_LED_NUM_LOCK)) {
32 // signal the LED control thread
33 chSysUnconditionalLock();
34 msg=(TOGGLE_NUM_LOCK << 8) | 1;
35 chMBPostI(&led_mailbox, msg);
36 chSysUnconditionalUnlock();
38 // signal the LED control thread
39 chSysUnconditionalLock();
40 msg=(TOGGLE_NUM_LOCK << 8) | 0;
41 chMBPostI(&led_mailbox, msg);
42 chSysUnconditionalUnlock();
44 if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
45 // signal the LED control thread
46 chSysUnconditionalLock();
47 msg=(TOGGLE_CAPS_LOCK << 8) | 1;
48 chMBPostI(&led_mailbox, msg);
49 chSysUnconditionalUnlock();
51 // signal the LED control thread
52 chSysUnconditionalLock();
53 msg=(TOGGLE_CAPS_LOCK << 8) | 0;
54 chMBPostI(&led_mailbox, msg);
55 chSysUnconditionalUnlock();