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-rw-r--r--drawing.ino3
1 files changed, 2 insertions, 1 deletions
diff --git a/drawing.ino b/drawing.ino
index 4bfbb30..35a8586 100644
--- a/drawing.ino
+++ b/drawing.ino
@@ -82,7 +82,8 @@ void renderToSerial() {
}
}
-/* Write a register to specified display */
+/* Write a register to specified display
+ * A static function is only available in this file */
static void writeCommand(int display, uint8_t addr, uint8_t data) {
/* Chip select low */
digitalWrite(CS, LOW);