95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
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/*
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ChibiOS/RT KL27 example - Copyright (C) 2015 flabbergast
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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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/*
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* Blink thread
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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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while(TRUE) {
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palTogglePad(GPIO_LED, PIN_LED);
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chThdSleepMilliseconds(700);
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}
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}
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/*
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* Check button thread
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*/
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static THD_WORKING_AREA(waButtonThread, 128);
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static THD_FUNCTION(ButtonThread, arg) {
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(void)arg;
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chRegSetThreadName("buttonThread");
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uint8_t newstate, state = PAL_HIGH;
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while(true) {
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if(palReadPad(GPIO_BUTTON, PIN_BUTTON) != state) {
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chThdSleepMilliseconds(20); /* debounce */
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newstate = palReadPad(GPIO_BUTTON, PIN_BUTTON);
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if(newstate != state) {
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state = newstate;
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if(newstate == PAL_LOW) {
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// palTogglePad(GPIO_LED, PIN_LED);
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/* jump to bootloader */
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/* force boot from ROM */
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RCM->FM = RCM_FM_FORCEROM(2);
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/* request RESET */
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#define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000
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SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk;
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}
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}
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}
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chThdSleepMilliseconds(20);
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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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* Create the blink thread.
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*/
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chThdCreateStatic(waBlinkThread, sizeof(waBlinkThread), NORMALPRIO, BlinkThread, NULL);
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/*
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* Create the button check thread.
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*/
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chThdCreateStatic(waButtonThread, sizeof(waButtonThread), NORMALPRIO, ButtonThread, NULL);
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/*
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* Normal main() thread activity, in this demo it does nothing.
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*/
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while(TRUE) {
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chThdSleepMilliseconds(500);
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}
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return 0;
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}
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