void setupInterrupt(){ timer = timerBegin(0, 80, true); // 使用定时器0，预分频器为80，计数...
modeTCCR2A|=(1<<WGM21);//打开CTC模式// Set CS21 bit for 8 prescalerTCCR2B|=(1<<CS21);// enable timer compare interruptTIMSK2|=(1<<OCIE2A);sei();//打开全局中断pinMode(13,OUTPUT);}//中断0服务函数ISR(TIMER0_COMPA_vect){//产生频率为2kHz / 2 = 1kHz的脉冲波(全波切换为两个...
看门狗,又叫 watchdog timer,是一个定时器电路, 一般有一个输入,叫喂狗(kicking the dog or service the dog),一个输出到MCU的RST端,MCU正常工作的时候,每隔一端时间输出一个信号到喂狗端,给 WDT清零,如果超过规定的时间不喂狗(一般在程序跑飞时),WDT 定时超过,就会给出一个复位信号到MCU,是MCU复...
Arduino Core for STM32 2.10.1 Latest What's Changed fix(openocd): update to xpack-openocd v0.12.0-6 by @fpistm in #2684 feat: STM32U0xx is now supported by openocd by @fpistm in #2685 Full Changelog: 2.10.0...2.10.1 Contributors fpistm Assets 3 STM32-2.10.1.tar.bz2...
STM32 中断原理及外部中断的实现 NVIC 中断配置Nested Vectored Interrupt Controller,嵌套向量中断控制器。CM3支持256个中断,16个内核中断,240个外部中断,256级可编程中断设置。STM32使用了其中一部分,16个内核中断,107系列有68个可屏蔽中断(103系列只有60个),16级可编程的中断优先级。中断寄存器:ISER[8],Interrupt ...
sketchsrcHALSTM32timers.cpp: In function 'void HAL_timer_enable_interrupt(uint8_t)':sketchsrcHAL...
For genericity purpose, HardwareTimer library uses all timers like a 16bits timer (even if some may be wider). 2.API voidpause(void);//Pause counter and all output channelsvoidpauseChannel(uint32_tchannel);//Timer is still running but channel (output and interrupt) is disabledvoidresume(voi...
```10. Call `lv_task_handler()` periodically every few millisecondsinthe main `while(1)` loop,inTimer interrupt orinan Operation system task. It will redraw the screenifrequired, handle input devices etc. For more detailed desription visit the [Porting](https://docs.lvgl.io/v7/en/html/...
Pin Change Interrupt Test pin-change-test.ino Demonstrates use of Pin Change Interrupt Input on D7, LED on D13 DroneBot Workshop 2022 https://dronebotworkshop.com */ // LED and switch const byte ledPin = 12; const byte buttonPin = 7; ...
On the next rising edge, an interrupt is fired, and the CPU suspends the main program and stops the timer. Now, the timer count can tell us the total time (T) or period of the signal. To get the frequency we’ll do (F = 1/T) and we’re done. ...