v1.7.61 (LED matrix support)

src/ledmatrixdisplay.cpp

@@ -8,7 +8,7 @@
 static const char TAG[] = __FILE__;
 
 uint8_t MatrixDisplayIsOn = 0;
-unsigned long ulLastNumMacs = 0;
+static unsigned long ulLastNumMacs = 0;
 
 LEDMatrix matrix(LED_MATRIX_LA_74138, LED_MATRIX_LB_74138, LED_MATRIX_LC_74138,
                  LED_MATRIX_LD_74138, LED_MATRIX_EN_74138, LED_MATRIX_DATA_R1,
@@ -31,6 +31,15 @@ void init_matrix_display(const char *Productname, const char *Version) {
 
 void refreshTheMatrixDisplay() {
 
+  // if Matrixdisplay is switched off we don't refresh it to relax cpu
+  if (!MatrixDisplayIsOn && (MatrixDisplayIsOn == cfg.screenon))
+    return;
+
+  // set display on/off according to current device configuration
+  if (MatrixDisplayIsOn != cfg.screenon) {
+    MatrixDisplayIsOn = cfg.screenon;
+  }
+
   if (ulLastNumMacs != macs.size()) {
     ulLastNumMacs = macs.size();
     matrix.clear();

src/main.cpp

@@ -52,7 +52,7 @@ So don't do it if you do not own a digital oscilloscope.
 0	displayIRQ -> display refresh -> 40ms (DISPLAYREFRESH_MS)
 1 ppsIRQ -> pps clock irq -> 1sec
 2	gpsIRQ -> gps store data -> 300ms
-3	unused
+3	MatrixDisplayIRQ -> matrix mux cycle -> 0,5ms (MATRIX_DISPLAY_SCAN_US)
 
 
 // Interrupt routines