forked from btclock/btclock_v3
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#include "button_handler.hpp"
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TaskHandle_t buttonTaskHandle = NULL;
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const TickType_t debounceDelay = pdMS_TO_TICKS(50);
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TickType_t lastDebounceTime = 0;
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void buttonTask(void *parameter) {
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while (1) {
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ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
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std::lock_guard<std::mutex> lock(mcpMutex);
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TickType_t currentTime = xTaskGetTickCount();
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if ((currentTime - lastDebounceTime) >= debounceDelay) {
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lastDebounceTime = currentTime;
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if (!digitalRead(MCP_INT_PIN)) {
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uint pin = mcp1.getLastInterruptPin();
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switch (pin) {
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case 3:
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toggleTimerActive();
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break;
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case 2:
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nextScreen();
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break;
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case 1:
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previousScreen();
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break;
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case 0:
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showSystemStatusScreen();
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break;
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}
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}
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mcp1.clearInterrupts();
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} else {
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}
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// Very ugly, but for some reason this is necessary
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while (!digitalRead(MCP_INT_PIN)) {
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mcp1.clearInterrupts();
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}
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}
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}
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void IRAM_ATTR handleButtonInterrupt() {
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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xTaskNotifyFromISR(buttonTaskHandle, 0, eNoAction, &xHigherPriorityTaskWoken);
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if (xHigherPriorityTaskWoken == pdTRUE) {
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portYIELD_FROM_ISR();
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}
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}
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void setupButtonTask() {
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xTaskCreate(buttonTask, "ButtonTask", 3072, NULL, tskIDLE_PRIORITY,
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&buttonTaskHandle); // Create the FreeRTOS task
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// Use interrupt instead of task
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attachInterrupt(MCP_INT_PIN, handleButtonInterrupt, CHANGE);
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}
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