adds starting rotation to xpt2046 touch driver

Author: kdschlosser

api_drivers/common_api_drivers/indev/xpt2046.py

@@ -23,6 +23,7 @@ def __init__(
         self,
         spi_bus,
         touch_cal=None,
+        startup_rotation=pointer_framework.lv.DISPLAY_ROTATION._0,
         debug=False
     ):
         self._debug = debug
@@ -39,7 +40,11 @@ def __init__(
         self.__margin = margin * margin
 
         self._spi = spi_bus
-        super().__init__(touch_cal=touch_cal, debug=debug)
+        super().__init__(
+            touch_cal=touch_cal,
+            startup_rotation=startup_rotation,
+            debug=debug
+        )
 
     def _read_reg(self, reg):
         self._trans_buf[0] = reg

api_drivers/py_api_drivers/frozen/indev/pointer_framework.py

@@ -8,7 +8,7 @@
 
 class PointerDriver(_indev_base.IndevBase):
 
-    def __init__(self, touch_cal=None, debug=False):  # NOQA
+    def __init__(self, touch_cal=None, startup_rotation=lv.DISPLAY_ROTATION._0, debug=False):  # NOQA
         self._last_x = -1
         self._last_y = -1
         self.__debug = debug
@@ -25,6 +25,7 @@ def __init__(self, touch_cal=None, debug=False):  # NOQA
         self._orig_height = self._height
         self._set_type(lv.INDEV_TYPE.POINTER)  # NOQA
         self.__cal_running = None
+        self.__startup_rotation = startup_rotation
 
     def __cal_callback(self, alphaX, betaX, deltaX, alphaY, betaY, deltaY):
         self._cal.alphaX = alphaX
@@ -77,9 +78,21 @@ def _get_coords(self):
     def _calc_coords(self, x, y):
         if self.is_calibrated:
             cal = self._cal
-            xpos = int(round(x * cal.alphaX + y * cal.betaX + cal.deltaX))
-            ypos = int(round(x * cal.alphaY + y * cal.betaY + cal.deltaY))
-            return xpos, ypos
+            x = int(round(x * cal.alphaX + y * cal.betaX + cal.deltaX))
+            y = int(round(x * cal.alphaY + y * cal.betaY + cal.deltaY))
+
+        if (
+            self.__startup_rotation == lv.DISPLAY_ROTATION._180 or  # NOQA
+            self.__startup_rotation == lv.DISPLAY_ROTATION._270  # NOQA
+        ):
+            x = self._orig_width - x - 1
+            y = self._orig_height - y - 1
+
+        if (
+            self.__startup_rotation == lv.DISPLAY_ROTATION._90 or  # NOQA
+            self.__startup_rotation == lv.DISPLAY_ROTATION._270  # NOQA
+        ):
+            x, y = self._orig_height - y - 1, x
 
         return x, y