Added frontlight support for Soldered Inkplate 6PLUS

Examples/Soldered_Inkplate6PLUS/frontlight.py

@@ -25,19 +25,14 @@ if __name__ == "__main__":
     
     # Frontlight strength can be set from values 0 to 64
     # For example:
-    display.setFrontlight(34)
+    display.setFrontlight(10)
 
     # Wait 3 seconds
     time.sleep(3)
 
-    # Slowly gradually increase the frontlight and then decrease it, infinitely
+    # Slowly gradually increase the frontlight, infinitely
     while(True):
         # First, increase the brightness gradually
         for i in range(0, 60):
             display.setFrontlight(i)
-            time.sleep(0.5) # Wait for 500ms
-
-        # Then, decrease
-        for i in range(60, 0):
-            display.setFrontlight(i)
-            time.sleep(0.5) # Wait for 500ms
+            time.sleep(0.2) # Wait for 200ms

soldered_inkplate6PLUS.py

@@ -40,6 +40,7 @@ WAVE_2B = (  # original mpy driver for Ink 6, differs from arduino driver below
 
 TPS65186_addr = const(0x48)  # I2C address
 TOUCHSCREEN_EN = 12
+FRONTLIGHT_ADDRESS  = 0x2E
 TS_RTS = 10
 TS_INT = 36
 TS_ADDR = 0x15
@@ -107,6 +108,10 @@ class _Inkplate:
         cls.TPS_INT = gpioPin(cls._PCAL6416A_1, 6, modeINPUT)
         cls.TPS_PWR_GOOD = gpioPin(cls._PCAL6416A_1, 7, modeINPUT)
 
+        #Frontlight
+        cls.FRONTLIGHT = gpioPin(cls._PCAL6416A_1, 11, modeOUTPUT)
+        cls.FRONTLIGHT.digitalWrite(0)
+
         # Misc
         cls.GPIO0_PUP = gpioPin(cls._PCAL6416A_1, 8, modeOUTPUT)
         cls.GPIO0_PUP.digitalWrite(0)
@@ -180,6 +185,17 @@ class _Inkplate:
         cls.VBAT_EN.digitalWrite(0)
         result = (value / 4095.0) * 1.1 * 3.548133892 * 2
         return result
+    
+    #Frontlight control
+    @classmethod
+    def frontlight(cls, value):
+        cls.FRONTLIGHT.digitalWrite(value)
+
+    @classmethod
+    def setFrontlight(cls, value):
+        value = (63 - (value & 0b00111111))
+        data_to_send = bytearray([0, value])
+        cls._i2c.writeto(FRONTLIGHT_ADDRESS, data_to_send)
 
     # Touchscreen
     @classmethod
@@ -962,6 +978,8 @@ class Inkplate:
         self.ipm = InkplateMono()
         self.ipp = InkplatePartial(self.ipm)
 
+        self.FRONTLIGHT = _Inkplate.FRONTLIGHT
+
         self.GFX = GFX(
             D_COLS,
             D_ROWS,
@@ -1297,4 +1315,10 @@ class Inkplate:
     # For more info, see https://github.com/SolderedElectronics/Inkplate-micropython/issues/24
     def activeTouch(cls):
          return _Inkplate.activeTouch()
-    
+
+#Frontlight
+    def frontlight(self, value):
+        _Inkplate.frontlight(value)
+
+    def setFrontlight(self, value):
+        _Inkplate.setFrontlight(value)