Correct pin definitions for XIAO RP2350 (#2591)

Author: Cincinnatu

variants/seeed_xiao_rp2350/pins_arduino.h

@@ -1,16 +1,34 @@
 #pragma once
-
-
 // Pin definitions taken from:
 //    https://www.seeedstudio.com/Seeed-XIAO-RP2350-p-5944.html
 
-
-
+static const uint8_t A0 = (26u);
+static const uint8_t A1 = (27u);
+static const uint8_t A2 = (28u);
+
+static const uint8_t D0 = (26u);
+static const uint8_t D1 = (27u);
+static const uint8_t D2 = (28u);
+static const uint8_t D3 = (5u);
+static const uint8_t D4 = (6u);
+static const uint8_t D5 = (7u);
+static const uint8_t D6 = (0u);
+static const uint8_t D7 = (1u);
+static const uint8_t D8 = (2u);
+static const uint8_t D9 = (4u);
+static const uint8_t D10 = (3u);
+static const uint8_t D11 = (21u);
+static const uint8_t D12 = (20u);
+static const uint8_t D13 = (17u);
+static const uint8_t D14 = (16u);
+static const uint8_t D15 = (11u);
+static const uint8_t D16 = (12u);
+static const uint8_t D17 = (10u);
+static const uint8_t D18 = (9u);
 
 // LEDs
 #define PIN_LED        (25u)
 
-
 // Serial
 #define PIN_SERIAL1_TX (0u)
 #define PIN_SERIAL1_RX (1u)
@@ -34,17 +52,23 @@
 
 
 // Wire
-#define PIN_WIRE0_SDA  (16u)
-#define PIN_WIRE0_SCL  (17u)
-
-
-#define PIN_WIRE1_SDA  (6u)
-#define PIN_WIRE1_SCL  (7u)
-
+#define PIN_WIRE1_SDA  (16u)
+#define PIN_WIRE1_SCL  (17u)
 
 #define SERIAL_HOWMANY (3u)
 #define SPI_HOWMANY    (2u)
 #define WIRE_HOWMANY   (2u)
 
 
-#include "../generic/common.h"
+static const uint8_t MOSI = PIN_SPI0_MOSI;
+static const uint8_t MISO = PIN_SPI0_MISO;
+static const uint8_t SCK  = PIN_SPI0_SCK;
+static const uint8_t SS   = PIN_SPI0_SS;
+
+#define __WIRE0_DEVICE (i2c1)
+#define PIN_WIRE0_SDA  (6u)
+#define PIN_WIRE0_SCL  (7u)
+#define SDA            PIN_WIRE0_SDA
+#define SCL            PIN_WIRE0_SCL
+#define I2C_SDA        (SDA)
+#define I2C_SCL        (SCL)