WebJan 6, 2024 · const byte interruptPin = 25; volatile int interruptCounter = 0; int numberOfInterrupts = 0; portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED; void IRAM_ATTR handleInterrupt () { portENTER_CRITICAL_ISR (&mux); interruptCounter++; portEXIT_CRITICAL_ISR (&mux); } void setup () { Serial.begin (115200); Serial.println … WebSuch hardware interrupts can include things like button presses (input pin voltage change), a hardware timer expiring, or a communication buffer being filled. In most RTOSes …
Critical sections explanation - ESP32 Forum
WebApr 15, 2024 · This the first of a new set of tutorials by SwitchDoc Labs on using the ESP32, the follow on chip to the popular ESP8266. In this article, we will discuss how to debounce a button press using Interrupts and timers. We are using the ESP32 on our new upcoming Kickstarter, the BC24. Note that we are using the Arduino Core for the ESP32, not the ... WebAllocating a static spinlock and initializing it using portMUX_INITIALIZER_UNLOCKED // Statically allocate and initialize the spinlock static portMUX_TYPE my_spinlock = portMUX_INITIALIZER_UNLOCKED ; void some_function ( void ) { taskENTER_CRITICAL ( & my_spinlock ); // We are now in a critical section taskEXIT_CRITICAL ( & my_spinlock ); } grace bridge chapel hill nc
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WebportMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED; // Flag para el estado del sistema de ficheros: boolean SPIFFStatus = false; // Conexion UDP para la hora: WiFiUDP UdpNtp; // Manejador del NTP. Cliente red, servidor, offset zona horaria, intervalo de actualizacion. // FALTA IMPLEMENTAR ALGO PARA CONFIGURAR LA ZONA HORARIA WebportMUX_TYPE buttonMux = portMUX_INITIALIZER_UNLOCKED; #endif: volatile long encoder0Pos = 0; volatile int8_t lastMovementDirection = 0; //1 right; -1 left: volatile unsigned long lastMovementAt = 0; unsigned long … Web看到一篇很不错的博文,分析一下代码,记录基于esp32cam视频流媒体的处理方法。 项目资源: 包含Arduino esp32支持库,所以文件压缩包很大 grace briella wilcox