0060b101df
This commit adds support for a specific LED Matrix display, which can be used to show the number of found devices on a rather large display. We (hackerspace Brixel) used this on the mini Maker Faire Gent 2019 to show the number of found devices throughout the event
134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
#include "irqhandler.h"
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// Local logging tag
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static const char TAG[] = __FILE__;
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// irq handler task, handles all our application level interrupts
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void irqHandler(void *pvParameters) {
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configASSERT(((uint32_t)pvParameters) == 1); // FreeRTOS check
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uint32_t InterruptStatus;
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static bool mask_irq = false;
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// task remains in blocked state until it is notified by an irq
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for (;;) {
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xTaskNotifyWait(0x00, // Don't clear any bits on entry
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ULONG_MAX, // Clear all bits on exit
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&InterruptStatus, // Receives the notification value
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portMAX_DELAY); // wait forever
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if (InterruptStatus & UNMASK_IRQ) // interrupt handler to be enabled?
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mask_irq = false;
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else if (mask_irq) // suppress processing if interrupt handler is disabled
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continue;
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else if (InterruptStatus & MASK_IRQ) { // interrupt handler to be disabled?
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mask_irq = true;
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continue;
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}
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// button pressed?
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#ifdef HAS_BUTTON
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if (InterruptStatus & BUTTON_IRQ)
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readButton();
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#endif
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// display needs refresh?
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#ifdef HAS_DISPLAY
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if (InterruptStatus & DISPLAY_IRQ)
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refreshtheDisplay();
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#endif
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// LED Matrix display needs refresh?
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#ifdef HAS_MATRIX_DISPLAY
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if (InterruptStatus & MATRIX_DISPLAY_IRQ)
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refreshTheMatrixDisplay();
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#endif
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// gps refresh buffer?
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#if (HAS_GPS)
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if (InterruptStatus & GPS_IRQ)
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gps_storelocation(gps_status);
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#endif
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// are cyclic tasks due?
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if (InterruptStatus & CYCLIC_IRQ)
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doHousekeeping();
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#if (TIME_SYNC_INTERVAL)
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// is time to be synced?
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if (InterruptStatus & TIMESYNC_IRQ) {
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now(); // ensure sysTime is recent
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time_t t = timeProvider();
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if (timeIsValid(t))
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setTime(t);
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}
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#endif
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// is time to send the payload?
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if (InterruptStatus & SENDCYCLE_IRQ)
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sendCounter();
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}
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}
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// esp32 hardware timer triggered interrupt service routines
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// they notify the irq handler task
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#ifdef HAS_DISPLAY
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void IRAM_ATTR DisplayIRQ() {
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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xTaskNotifyFromISR(irqHandlerTask, DISPLAY_IRQ, eSetBits,
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&xHigherPriorityTaskWoken);
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if (xHigherPriorityTaskWoken)
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portYIELD_FROM_ISR();
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}
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#endif
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#ifdef HAS_MATRIX_DISPLAY
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void IRAM_ATTR MatrixDisplayIRQ() {
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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xTaskNotifyFromISR(irqHandlerTask, MATRIX_DISPLAY_IRQ, eSetBits,
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&xHigherPriorityTaskWoken);
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if (xHigherPriorityTaskWoken)
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portYIELD_FROM_ISR();
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}
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#endif
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#ifdef HAS_BUTTON
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void IRAM_ATTR ButtonIRQ() {
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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xTaskNotifyFromISR(irqHandlerTask, BUTTON_IRQ, eSetBits,
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&xHigherPriorityTaskWoken);
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if (xHigherPriorityTaskWoken)
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portYIELD_FROM_ISR();
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}
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#endif
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#if (HAS_GPS)
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void IRAM_ATTR GpsIRQ() {
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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xTaskNotifyFromISR(irqHandlerTask, GPS_IRQ, eSetBits,
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&xHigherPriorityTaskWoken);
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if (xHigherPriorityTaskWoken)
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portYIELD_FROM_ISR();
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}
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#endif
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int mask_user_IRQ() {
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// begin of time critical section: lock I2C bus to ensure accurate timing
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if (!I2C_MUTEX_LOCK())
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return 1; // failure
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xTaskNotify(irqHandlerTask, MASK_IRQ, eSetBits);
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}
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int unmask_user_IRQ() {
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// end of time critical section: release I2C bus
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I2C_MUTEX_UNLOCK();
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xTaskNotify(irqHandlerTask, UNMASK_IRQ, eSetBits);
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}
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