use constant values for SPI / I2C pins

variants/particle_xenon/variant.h

@@ -140,27 +140,27 @@ static const uint8_t A5 = PIN_A5;
 /*
  * Serial interfaces
  */
-#define PIN_SERIAL1_RX         D9
-#define PIN_SERIAL1_TX         D10
-#define PIN_SERIAL1_CTS        D4
-#define PIN_SERIAL1_RTS        D3
-#define PIN_SERIAL2_RX         D5
-#define PIN_SERIAL2_TX         D4
-#define PIN_SERIAL2_CTS        D6
-#define PIN_SERIAL2_RTS        D8
+#define PIN_SERIAL1_RX         9
+#define PIN_SERIAL1_TX         10
+#define PIN_SERIAL1_CTS        4
+#define PIN_SERIAL1_RTS        3
+#define PIN_SERIAL2_RX         5
+#define PIN_SERIAL2_TX         4
+#define PIN_SERIAL2_CTS        6
+#define PIN_SERIAL2_RTS        8
 
 /*
  * SPI Interfaces
  */
 #define SPI_INTERFACES_COUNT 2
 
-#define PIN_SPI_SS                  D14
-#define PIN_SPI_MISO                D11
-#define PIN_SPI_MOSI                D12
-#define PIN_SPI_SCK                 D13
-#define PIN_SPI1_MISO               D4
-#define PIN_SPI1_MOSI               D3
-#define PIN_SPI1_SCK                D2
+#define PIN_SPI_SS                  14
+#define PIN_SPI_MISO                11
+#define PIN_SPI_MOSI                12
+#define PIN_SPI_SCK                 13
+#define PIN_SPI1_MISO               4
+#define PIN_SPI1_MOSI               3
+#define PIN_SPI1_SCK                2
 
 static const uint8_t SS   = PIN_SPI_SS;
 static const uint8_t MOSI = PIN_SPI_MOSI;
@@ -175,10 +175,10 @@ static const uint8_t SCK1  = PIN_SPI1_SCK;
  */
 #define WIRE_INTERFACES_COUNT 2
 
-#define PIN_WIRE_SDA               D0
-#define PIN_WIRE_SCL               D1
-#define PIN_WIRE1_SDA              D2
-#define PIN_WIRE1_SCL              D3
+#define PIN_WIRE_SDA               0
+#define PIN_WIRE_SCL               1
+#define PIN_WIRE1_SDA              2
+#define PIN_WIRE1_SCL              3
 
 // On-board QSPI Flash
 #define EXTERNAL_FLASH_DEVICES   GD25Q16C