Merge pull request #20 from makermelissa/master

Updated GizmoTest to work on CPX and CPB

Author: makermelissa

Adafruit_IL0373.cpp

@@ -49,11 +49,13 @@ Adafruit_IL0373::Adafruit_IL0373(int width, int height, int8_t SID, int8_t SCLK,
     @param CS the chip select pin to use
     @param SRCS the SRAM chip select pin to use
     @param BUSY the busy pin to use
+    @param spi the SPI bus to use
 */
 /**************************************************************************/
 Adafruit_IL0373::Adafruit_IL0373(int width, int height, int8_t DC, int8_t RST,
-                                 int8_t CS, int8_t SRCS, int8_t BUSY)
-    : Adafruit_EPD(width, height, DC, RST, CS, SRCS, BUSY) {
+                                 int8_t CS, int8_t SRCS, int8_t BUSY,
+                                 SPIClass *spi)
+    : Adafruit_EPD(width, height, DC, RST, CS, SRCS, BUSY, spi) {
   buffer1_size = ((uint32_t)width * (uint32_t)height) / 8;
   buffer2_size = buffer1_size;
 

Adafruit_IL0373.h

@@ -42,7 +42,7 @@ class Adafruit_IL0373 : public Adafruit_EPD {
                   int8_t RST, int8_t CS, int8_t SRCS, int8_t MISO,
                   int8_t BUSY = -1);
   Adafruit_IL0373(int width, int height, int8_t DC, int8_t RST, int8_t CS,
-                  int8_t SRCS, int8_t BUSY = -1);
+                  int8_t SRCS, int8_t BUSY = -1, SPIClass *spi = &SPI);
 
   void begin(bool reset = true);
   void powerUp();

examples/GizmoTest/GizmoTest.ino

@@ -16,7 +16,16 @@
 #define EPD_RESET   PIN_A3 // can set to -1 and share with microcontroller Reset!
 #define EPD_BUSY    -1 // can set to -1 to not use a pin (will wait a fixed delay)
 
-Adafruit_IL0373 display(152, 152, EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
+// You will need to use Adafruit's CircuitPlayground Express Board Definition
+// for Gizmos rather than the Arduino version since there are additional SPI
+// ports exposed.
+#if (SPI_INTERFACES_COUNT == 1)
+  SPIClass* spi = &SPI;
+#else
+  SPIClass* spi = &SPI1;
+#endif
+
+Adafruit_IL0373 display(152, 152, EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY, spi);
 
 float p = 3.1415926;