Adds board variant definition for Melopero Shake RP2040 (#318)

package/package_pico_index.template.json

@@ -44,6 +44,9 @@
                   {
                      "name": "SparkFun ProMicro RP2040"
                   },
+                  {
+                     "name": "Melopero Shake RP2040"
+                  },
                   {
                      "name": "Generic RP2040 Module"
                   }

tools/makeboards.py

@@ -145,3 +145,4 @@ MakeBoard("sparkfun_promicrorp2040", "SparkFun", "ProMicro RP2040", "0x1b4f", "0
 MakeBoard("generic", "Generic", "RP2040", "0x2e8a", "0xf00a", "GENERIC_RP2040", 16, "boot2_generic_03h_4_padded_checksum")
 MakeBoard("challenger_2040_wifi", "iLabs", "Challenger 2040 WiFi", "0x2e8a", "0x1006", "CHALLENGER_2040_WIFI_RP2040", 8, "boot2_w25q080_2_padded_checksum")
 MakeBoard("challenger_2040_lte", "iLabs", "Challenger 2040 LTE", "0x2e8a", "0x100b", "CHALLENGER_2040_LTE_RP2040", 8, "boot2_w25q080_2_padded_checksum")
+MakeBoard("melopero_shake_rp2040", "Melopero", "Shake RP2040", "0x2e8a", "0x1005", "MELOPERO_SHAKE_RP2040", 16, "boot2_w25q080_2_padded_checksum")

variants/melopero_shake_rp2040/pins_arduino.h

+#pragma once
+
+// Pin definitions taken from:
+//    https://datasheets.raspberrypi.org/pico/pico-datasheet.pdf
+
+
+// LEDs
+#define PIN_LED        (25u)
+
+// Serial
+#define PIN_SERIAL1_TX (0u)
+#define PIN_SERIAL1_RX (1u)
+
+#define PIN_SERIAL2_TX (8u)
+#define PIN_SERIAL2_RX (9u)
+
+// SPI
+#define PIN_SPI0_MISO  (20u)
+#define PIN_SPI0_MOSI  (19u)
+#define PIN_SPI0_SCK   (18u)
+#define PIN_SPI0_SS    (1u)
+
+#define PIN_SPI1_MISO  (12u)
+#define PIN_SPI1_MOSI  (11u)
+#define PIN_SPI1_SCK   (10u)
+#define PIN_SPI1_SS    (13u)
+
+// Wire
+#define PIN_WIRE0_SDA  (8u)
+#define PIN_WIRE0_SCL  (9u)
+
+#define PIN_WIRE1_SDA  (2u)
+#define PIN_WIRE1_SCL  (3u)
+
+#define SERIAL_HOWMANY (3u)
+#define SPI_HOWMANY    (2u)
+#define WIRE_HOWMANY   (2u)
+
+#include "../generic/common.h"