Diff: Adafruit_LEDBackpack.cpp

Revision:

2:529bad55777e

Parent:

1:f066d5347c60

Child:

3:b0ac557b5f0c

--- a/Adafruit_LEDBackpack.cpp	Fri Aug 16 15:44:44 2013 +0000
+++ b/Adafruit_LEDBackpack.cpp	Thu Dec 15 17:31:22 2016 +0000
@@ -111,4 +111,40 @@
   } else {
     displaybuffer[y] &= ~(1 << x);
   }
+}
+
+
+Adafruit_16x8matrix::Adafruit_16x8matrix(I2C *i2c) : Adafruit_LEDBackpack(i2c), Adafruit_GFX(16, 8) {
+}
+
+void Adafruit_16x8matrix::drawPixel(int16_t x, int16_t y, uint16_t color) {
+  if ((y < 0) || (y >= 8)) return;
+  if ((x < 0) || (x >= 16)) return;
+
+ // check rotation, move pixel around if necessary
+  switch (getRotation()) {
+  case 1:
+    swap(x, y);
+    x = 16 - x - 1;
+    break;
+  case 2:
+    x = 16 - x - 1;
+    y = 8 - y - 1;
+    break;
+  case 3:
+    swap(x, y);
+    y = 8 - y - 1;
+    break;
+  }
+
+  // wrap around the x
+  x += 15;
+  x %= 16;
+
+
+  if (color) {
+    displaybuffer[y] |= 1 << x;
+  } else {
+    displaybuffer[y] &= ~(1 << x);
+  }
 }
\ No newline at end of file