125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
/*
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Copyright (C) 2022 Westberry Technology (ChangZhou) Corp., Ltd
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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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#include "board.h"
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/*===========================================================================*/
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/* Private variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Generic code. */
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/*===========================================================================*/
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#define PORTAB_LINE_LED1 PAL_LINE(GPIOB, 14U)
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#define PORTAB_LINE_LED2 PAL_LINE(GPIOB, 13U)
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#define PORTAB_LED_OFF PAL_HIGH
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#define PORTAB_LED_ON AL_LOW
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#define PORTAB_LINE_BUTTON PAL_LINE(GPIOA, 0U)
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#define PORTAB_BUTTON_PRESSED PAL_LOW
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#if defined(PORTAB_LINE_LED2)
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/*
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* LED blinker thread, times are in milliseconds.
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*/
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static THD_WORKING_AREA(waThread1, 128);
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static THD_FUNCTION(Thread1, arg)
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{
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(void)arg;
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chRegSetThreadName("blinker");
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while (true)
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{
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systime_t time = palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED ? 250 : 500;
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palToggleLine(PORTAB_LINE_LED2);
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chThdSleepMilliseconds(time);
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}
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}
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#endif
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#if PAL_USE_WAIT || defined(__DOXYGEN__)
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/**
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* @brief Configure PORTAB_LINE_BUTTON in interrupt mode
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* @param None
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* @return None
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*/
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void EXTI0_Config(void)
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{
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/*
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* Init button port and pad.
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*/
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palSetPadMode(PAL_PORT(PORTAB_LINE_BUTTON), PAL_PAD(PORTAB_LINE_BUTTON), PAL_WB32_MODE_INPUT | PAL_WB32_PUPDR_PULLDOWN);
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/*
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* Enabling events on both edges of the button line.
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*/
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palEnableLineEvent(PORTAB_LINE_BUTTON, PAL_EVENT_MODE_RISING_EDGE);
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/*
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* Configure the interrupt priority.
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*/
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nvicEnableVector(EXTI0_IRQn, WB32_IRQ_EXTI0_PRIORITY);
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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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/*
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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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* Init LED port and pad.
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*/
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palSetPadMode(PAL_PORT(PORTAB_LINE_LED1), PAL_PAD(PORTAB_LINE_LED1), PAL_WB32_MODE_OUTPUT | PAL_WB32_OTYPE_PUSHPULL);
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palSetPadMode(PAL_PORT(PORTAB_LINE_LED2), PAL_PAD(PORTAB_LINE_LED2), PAL_WB32_MODE_OUTPUT | PAL_WB32_OTYPE_PUSHPULL);
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/*
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* Configure PA0 in interrupt mode
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*/
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EXTI0_Config();
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#if defined(PORTAB_LINE_LED2)
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/*
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* Creates the blinker thread.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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#endif
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/*
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* Normal main() thread activity.
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*/
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while (true)
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{
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/* Waiting for an edge on the button.*/
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palWaitLineTimeout(PORTAB_LINE_BUTTON, TIME_INFINITE);
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palToggleLine(PORTAB_LINE_LED1);
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}
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}
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#endif /* PAL_USE_WAIT */
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