54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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Copyright 2015 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hal.h"
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#include "led.h"
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#include "led_controller.h"
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/* WARNING! This function needs to be callable from
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* both regular threads and ISRs, unlocked (during resume-from-sleep).
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* In particular, I2C functions (interrupt-driven) should NOT be called from here.
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*/
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void led_set(uint8_t usb_led) {
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msg_t msg;
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if (usb_led & (1<<USB_LED_NUM_LOCK)) {
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chSysUnconditionalLock();
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msg=(1 << 8) | TOGGLE_NUM_LOCK;
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chMBPostI(&led_mailbox, msg);
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chSysUnconditionalUnlock();
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} else {
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chSysUnconditionalLock();
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msg=(0 << 8) | TOGGLE_NUM_LOCK;
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chMBPostI(&led_mailbox, msg);
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chSysUnconditionalUnlock();
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}
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if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
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chSysUnconditionalLock();
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msg=(1 << 8) | TOGGLE_CAPS_LOCK;
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chMBPostI(&led_mailbox, msg);
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chSysUnconditionalUnlock();
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} else {
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chSysUnconditionalLock();
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msg=(0 << 8) | TOGGLE_CAPS_LOCK;
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chMBPostI(&led_mailbox, msg);
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chSysUnconditionalUnlock();
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}
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}
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