codal_app/microbithal: Add microbit_hal_display_rotate() function.

Signed-off-by: Damien George <[email protected]>

Author: dpgeorge

src/codal_app/microbithal.cpp

@@ -375,6 +375,16 @@ int microbit_hal_display_read_light_level(void) {
     return uBit.display.readLightLevel();
 }
 
+void microbit_hal_display_rotate(unsigned int rotation) {
+    static DisplayRotation angle_map[4] = {
+        MATRIX_DISPLAY_ROTATION_0,
+        MATRIX_DISPLAY_ROTATION_90,
+        MATRIX_DISPLAY_ROTATION_180,
+        MATRIX_DISPLAY_ROTATION_270,
+    };
+    uBit.display.rotateTo(angle_map[rotation & 3]);
+}
+
 void microbit_hal_accelerometer_get_sample(int axis[3]) {
     Sample3D sample = uBit.accelerometer.getSample();
     axis[0] = sample.x;

src/codal_app/microbithal.h

@@ -150,6 +150,7 @@ void microbit_hal_display_enable(int value);
 int microbit_hal_display_get_pixel(int x, int y);
 void microbit_hal_display_set_pixel(int x, int y, int bright);
 int microbit_hal_display_read_light_level(void);
+void microbit_hal_display_rotate(unsigned int rotation);
 
 void microbit_hal_accelerometer_get_sample(int axis[3]);
 int microbit_hal_accelerometer_get_gesture(void);