update

src/main.cpp

@@ -0,0 +1,87 @@
+/*
+Script de base pour afficher un message sur une matrice LED 64x32
+*/
+#include <Arduino.h>
+#include <PxMatrix.h>
+
+// Define Matrix pins for ESP32 (voir https://github.com/aircarto/ModuleAir_V2.1/blob/main/pinMap.md)
+
+#define P_LAT 25
+#define P_A 17
+#define P_B 33
+#define P_C 4
+#define P_D 12
+#define P_E 15
+#define P_OE 16
+
+hw_timer_t * timer = NULL;
+portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
+
+//define matrix size
+#define matrix_width 64
+#define matrix_height 32
+
+uint8_t display_draw_time = 30; //10-50 is usually fine
+PxMATRIX display(64, 32, P_LAT, P_OE, P_A, P_B, P_C, P_D, P_E);
+
+//Need this two functions for ESP32 to refresh display
+void IRAM_ATTR display_updater()
+{
+	// Increment the counter and set the time of ISR
+	portENTER_CRITICAL_ISR(&timerMux);
+	display.display(display_draw_time);
+	portEXIT_CRITICAL_ISR(&timerMux);
+}
+
+void display_update_enable(bool is_enable)
+{
+	Serial.print("Call display_update_enable function with:");
+	if (is_enable)
+	{
+		Serial.println("true");
+		//timer = timerBegin(0, 80, true);
+		timerAttachInterrupt(timer, &display_updater, true);
+		timerAlarmWrite(timer, 4000, true);
+		timerAlarmEnable(timer);
+	}
+	else
+	{
+		Serial.println("false");
+		timerDetachInterrupt(timer);
+		timerAlarmDisable(timer);
+	}
+}
+
+
+/*
+SETUP AND LOOP
+*/
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  Serial.println("Hello, Arduino!");
+  display.begin(8);
+  display.setFastUpdate(true);
+
+  // ⭐ INITIALISER LE TIMER ICI ⭐
+  timer = timerBegin(0, 80, true);  // Timer 0, prescaler 80, count up
+  timerAlarmWrite(timer, 4000, true);  // Interruption toutes les 4ms
+  
+  // Activer le rafraîchissement
+  display_update_enable(true);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  Serial.println("Showing message on LED matrix");
+
+  display.fillScreen(0); // Clear the display
+  display.setCursor(1, 1);
+  display.setTextColor(display.color565(0, 255, 0));
+  display.setTextSize(1);
+  display.print("Hello");
+
+  delay(1000);
+}
+