Add SS definitions to work with SD examples

The built-in SD examples require SS to be defined even though the chip select pin is set inside the INO.

Author: nseidle

variants/SparkFun_Artemis_Thing_Plus/config/variant.h

@@ -62,16 +62,17 @@ extern Uart Serial1;
 // SPI Pins
 #define MOSI 11
 #define MISO 12
-#define SCK  13
+#define SCK 13
+#define SS 10
 // Wire Pins
-#define SCL  15
-#define SDA  14
+#define SCL 15
+#define SDA 14
 // Wire1 Pins
 #define SCL1 17
 #define SDA1 16
 // Serial1 Pins
-#define TX1  1
-#define RX1  0
+#define TX1 1
+#define RX1 0
 // PDM Microphone Pins
 #define MIC_DATA 27
 #define MIC_CLOCK 28

variants/SparkFun_RedBoard_Artemis/config/variant.h

@@ -78,6 +78,7 @@ extern Uart Serial1;
 #define MOSI 7
 #define MISO 6
 #define SCK 5
+#define SS 13
 #define SCL 15
 #define SDA 14
 #define TX1 1

variants/SparkFun_RedBoard_Artemis_ATP/config/variant.h

@@ -64,6 +64,7 @@ extern Uart Serial1;
 #define MOSI 7
 #define MISO 6
 #define SCK 5
+#define SS 13
 #define SCL 39
 #define SDA 40
 #define TX1 24

variants/SparkFun_RedBoard_Artemis_Nano/config/variant.h

@@ -62,6 +62,7 @@ extern Uart Serial1;
 #define MOSI 12
 #define MISO 13
 #define SCK 11
+#define SS A14
 #define SDA3 6
 #define SCL3 7
 #define SDA2 17