83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/*
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Copyright (C) 2014..2017 Marco Veeneman
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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 "ch.h"
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#include "hal.h"
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static bool watchdog_timeout(WDGDriver *wdgp)
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{
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(void)wdgp;
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palSetLine(LINE_LED_RED);
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/* Return true to prevent a reset on the next timeout.*/
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return true;
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}
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/*
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* Watchdog deadline set to one second.
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* Use callback on first timeout.
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* Stall timer if paused by debugger.
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*/
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static const WDGConfig wdgcfg =
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{
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TIVA_SYSCLK,
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watchdog_timeout,
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WDT_TEST_STALL
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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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palSetLineMode(LINE_LED_RED, PAL_MODE_OUTPUT_PUSHPULL);
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palSetLineMode(LINE_LED_BLUE, PAL_MODE_OUTPUT_PUSHPULL);
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palSetLineMode(LINE_SW1, PAL_MODE_INPUT_PULLUP);
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/*
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* Starting the watchdog driver.
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*/
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wdgStart(&WDGD1, &wdgcfg);
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/*
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* Normal main() thread activity, it resets the watchdog.
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*/
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while (true) {
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if (palReadLine(LINE_SW1)) {
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/* Only reset the watchdog if the button is not pressed */
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wdgReset(&WDGD1);
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palClearLine(LINE_LED_RED);
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}
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palToggleLine(LINE_LED_BLUE);
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chThdSleepMilliseconds(500);
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}
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return 0;
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}
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