47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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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 3 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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If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "stdint.h"
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#include "system.h"
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#include "usb_device.h"
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void APP_LEDUpdateUSBStatus(void) {
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static uint16_t ledCount = 0;
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// If device is suspended, LED is turned off
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if (USBIsDeviceSuspended() == true) {
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LED_Off(LED_USB_DEVICE_STATE);
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return;
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}
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switch (USBGetDeviceState()) {
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// If device is configured, LED on
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case CONFIGURED_STATE:
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LED_On(LED_USB_DEVICE_STATE);
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break;
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default:
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// Not configured so slow blink
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if (ledCount == 1) {
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LED_On(LED_USB_DEVICE_STATE);
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} else if (ledCount == 50) {
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LED_Off(LED_USB_DEVICE_STATE);
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} else if (ledCount > 950) {
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ledCount = 0;
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}
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break;
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}
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/* Increment the millisecond counter. */
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ledCount++;
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} |