Also accept char* pointer for fonts (#393)

Author: ropg

src/OLEDDisplay.cpp

@@ -756,6 +756,10 @@ void OLEDDisplay::setFont(const uint8_t *fontData) {
   setLogBuffer();
 }
 
+void OLEDDisplay::setFont(const char *fontData) {
+  setFont(static_cast<const uint8_t*>(reinterpret_cast<const void*>(fontData)));
+}
+
 void OLEDDisplay::displayOn(void) {
   sendCommand(DISPLAYON);
 }

src/OLEDDisplay.h

@@ -271,6 +271,9 @@ class OLEDDisplay : public Stream {
     // ArialMT_Plain_10, ArialMT_Plain_16, ArialMT_Plain_24
     void setFont(const uint8_t *fontData);
 
+    // Set the current font when supplied as a char* instead of a uint8_t*
+    void setFont(const char *fontData);
+
     // Set the function that will convert utf-8 to font table index
     void setFontTableLookupFunction(FontTableLookupFunction function);