92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
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Copyright (C) 2016 Jonathan Struebel
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "hal.h"
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#include "usbcfg.h"
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/*
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* Blue LED blinker thread, times are in milliseconds.
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*/
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static THD_WORKING_AREA(waBlinkThread, 128);
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static THD_FUNCTION(BlinkThread, arg) {
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(void)arg;
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chRegSetThreadName("blinker");
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while (true) {
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systime_t time = USBD1.state == USB_ACTIVE ? 250 : 500;
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palTogglePad(GPIO_LED_BLUE, PIN_LED_BLUE);
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chThdSleepMilliseconds(time);
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}
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}
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/*
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* Application entry point.
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*/
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int main(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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/*
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* Turn off the RGB LED.
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*/
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palSetPad(GPIO_LED_RED, PIN_LED_RED); /* red */
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palSetPad(GPIO_LED_GREEN, PIN_LED_GREEN); /* green */
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palSetPad(GPIO_LED_BLUE, PIN_LED_BLUE); /* blue */
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/*
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* Initializes a USB HID driver.
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*/
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hidObjectInit(&UHD1);
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hidStart(&UHD1, &usbhidcfg);
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/*
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* Activates the USB driver and then the USB bus pull-up on D+.
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* Note, a delay is inserted in order to not have to disconnect the cable
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* after a reset.
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*/
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usbDisconnectBus(usbhidcfg.usbp);
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chThdSleepMilliseconds(1000);
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usbStart(usbhidcfg.usbp, &usbcfg);
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usbConnectBus(usbhidcfg.usbp);
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/*
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* Creates the blinker thread.
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*/
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chThdCreateStatic(waBlinkThread, sizeof(waBlinkThread), NORMALPRIO, BlinkThread, NULL);
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while (true) {
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if (usbhidcfg.usbp->state == USB_ACTIVE) {
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uint8_t report;
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size_t n = hidGetReport(0, &report, sizeof(report));
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hidWriteReport(&UHD1, &report, n);
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n = hidReadReportt(&UHD1, &report, sizeof(report), TIME_IMMEDIATE);
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if (n > 0)
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hidSetReport(0, &report, n);
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}
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palTogglePad(GPIO_LED_RED, PIN_LED_RED);
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chThdSleepMilliseconds(1000);
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}
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}
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