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50 lines
1.5 KiB
50 lines
1.5 KiB
9 years ago
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/*
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Copyright 2012 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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void led_set(uint8_t usb_led) {
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// The LCD backlight functionality conflicts with this simple
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// red backlight
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#if !defined(LCD_BACKLIGHT_ENABLE) && defined(STATUS_LED_ENABLE)
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// PTC1: LCD Backlight Red(0:on/1:off)
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GPIOC->PDDR |= (1<<1);
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PORTC->PCR[1] |= PORTx_PCRn_DSE | PORTx_PCRn_MUX(1);
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if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
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GPIOC->PCOR |= (1<<1);
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} else {
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GPIOC->PSOR |= (1<<1);
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}
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#elif !defined(LCD_BACKLIGHT_ENABLE)
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(void)usb_led;
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GPIOC->PDDR |= (1<<1);
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PORTC->PCR[1] |= PORTx_PCRn_DSE | PORTx_PCRn_MUX(1);
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GPIOC->PSOR |= (1<<1);
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GPIOC->PDDR |= (1<<2);
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PORTC->PCR[2] |= PORTx_PCRn_DSE | PORTx_PCRn_MUX(1);
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GPIOC->PSOR |= (1<<2);
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GPIOC->PDDR |= (1<<3);
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PORTC->PCR[3] |= PORTx_PCRn_DSE | PORTx_PCRn_MUX(1);
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GPIOC->PSOR |= (1<<3);
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#else
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(void)usb_led;
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#endif
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}
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