Merge pull request #27 from milnepe/samd21

Add support for SAMD21 MCU boards

Author: aentinger

.github/workflows/compile-examples.yml

@@ -54,6 +54,10 @@ jobs:
           - fqbn: arduino:sam:arduino_due_x_dbg
             platforms: |
               - name: arduino:sam
+            type: arduino
+          - fqbn: arduino:samd:mkrzero
+            platforms: |
+              - name: arduino:samd
 
         # Make board type-specific customizations to the matrix jobs
         include:

library.properties

@@ -6,4 +6,4 @@ sentence=Allows drawing text, images, and shapes on the Arduino TFT graphical di
 paragraph=This library is compatible with most of the TFT displays based on the ST7735 chipset.
 category=Display
 url=http://www.arduino.cc/en/Reference/TFTLibrary
-architectures=avr,sam
+architectures=avr,sam,samd

src/utility/Adafruit_ST7735.h

@@ -140,7 +140,7 @@ class Adafruit_ST7735 : public Adafruit_GFX {
   SPISettings spisettings;
 #endif
 #if defined(ARDUINO_ARCH_SAM) || defined(__ARDUINO_ARC__) || \
-    defined(ARDUINO_ARCH_STM32)
+    defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_SAMD)
   volatile uint32_t *dataport, *clkport, *csport, *rsport;
   uint32_t  _cs, _rs, _rst, _sid, _sclk,
            datapinmask, clkpinmask, cspinmask, rspinmask,

src/utility/glcdfont.c

@@ -1,5 +1,5 @@
 #if !defined(ARDUINO_ARCH_SAM) && !defined(__ARDUINO_ARC__) && \
-    !defined(ARDUINO_ARCH_STM32)
+    !defined(ARDUINO_ARCH_STM32) && !defined(ARDUINO_ARCH_SAMD)
 #include <avr/io.h>
 #endif
 #include <avr/pgmspace.h>