remove screen blinking in loop

[Arduino] / Hub08_LedMatrix / Hub08_LedMatrix.ino

diff --git a/Hub08_LedMatrix/Hub08_LedMatrix.ino b/Hub08_LedMatrix/Hub08_LedMatrix.ino
index d0a48de..95d335d 100644 (file)
--- a/Hub08_LedMatrix/Hub08_LedMatrix.ino
+++ b/Hub08_LedMatrix/Hub08_LedMatrix.ino
@@ -21,7 +21,7 @@
 #include "LEDMatrix.h"
 #include "font.h"
 
-#define WIDTH   128 // 2 panels * 64
+#define WIDTH   64*1 // 2 panels * 64
 #define HEIGHT  16
 
 //     LEDMatrix(a, b, c, d, oe, r1, stb, clk);
@@ -117,15 +117,12 @@ void matrixDelay(int x) {
   
 }
 
+String poruka="X       XX      XOX     XOOX    XOoOX   XOooOX  XOoIoOX XOoiioOX        ";
+//String poruka="        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras blandit libero id ex dapibus suscipit. Proin vitae cursus eros. Ut porttitor congue metus at viverra. In consectetur ex massa.";
+
 void loop()
 {
-    matrix.clear();
-    int p=0;
-//    String poruka="X       XX      XOX     XOOX    XOoOX   XOooOX  XOoIoOX XOoiioOX        ";
-    String poruka="        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras blandit libero id ex dapibus suscipit. Proin vitae cursus eros. Ut porttitor congue metus at viverra. In consectetur ex massa.";
-
     for (int p=0; p<poruka.length() ; p++) {
-         matrix.clear();
          matrixPrint(poruka.substring(p,p+(WIDTH/8)+1));
           for (int o=0; o<8; o++) {
                uint8_t *src  = displaybuf_w;
@@ -137,10 +134,13 @@ void loop()
                                *(dest + i) = ( *(src + j) << o ) | (( *(src + j + 1) & ( 0xff << 8 - o ) ) >> 8 - o );
                                i++;
                                j++;
+#if USE_SPI
                                matrix.scan();
+#else
+                               if ( x == 0 ) matrix.scan();
+#endif
                        }
                        j++; // skip off-screen character used for smooth scroll
-//                     matrix.scan();
                 }
           }
     }