ss_oled update (now working)

src/display.cpp

@@ -57,6 +57,7 @@ const char *printmonth[] = {"xxx", "Jan", "Feb", "Mar", "Apr", "May", "Jun",
                             "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
 uint8_t DisplayIsOn = 0;
 uint8_t displaybuf[DISPLAY_WIDTH * DISPLAY_HEIGHT / 8] = {0};
+static uint8_t plotbuf[DISPLAY_WIDTH * DISPLAY_HEIGHT / 8] = {0};
 
 QRCode qrcode;
 
@@ -298,7 +299,7 @@ void draw_page(time_t t, uint8_t page) {
 
     // page 1: pax graph
   case 1:
-    oledDumpBuffer(displaybuf);
+    oledDumpBuffer(plotbuf);
     break; // page1
 
     // page 2: GPS
@@ -502,24 +503,22 @@ void oledPlotCurve(uint16_t count, bool reset) {
     if (col < DISPLAY_WIDTH - 1) // matrix not full -> increment column
       col++;
     else // matrix full -> scroll left 1 dot
-      oledScrollBufferHorizontal(displaybuf, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                                 true);
+      oledScrollBufferHorizontal(plotbuf, DISPLAY_WIDTH, DISPLAY_HEIGHT, true);
 
   } else // clear current dot
-    oledDrawPixel(displaybuf, col, row, 0);
+    oledDrawPixel(plotbuf, col, row, 0);
 
   // scroll down, if necessary
   while ((count - v_scroll) > DISPLAY_HEIGHT - 1)
     v_scroll++;
   if (v_scroll)
-    oledScrollBufferVertical(displaybuf, DISPLAY_WIDTH, DISPLAY_HEIGHT,
-                             v_scroll);
+    oledScrollBufferVertical(plotbuf, DISPLAY_WIDTH, DISPLAY_HEIGHT, v_scroll);
 
   // set new dot
   // row = DISPLAY_HEIGHT - 1 - (count - v_scroll) % DISPLAY_HEIGHT;
   row = DISPLAY_HEIGHT - 1 - count - v_scroll;
   last_count = count;
-  oledDrawPixel(displaybuf, col, row, 1);
+  oledDrawPixel(plotbuf, col, row, 1);
 }
 
 #endif // HAS_DISPLAY