Add pin definitions for Waveshare RP2040 LoRa

waveshare_rp2040_lora/pins_arduino.h

@@ -0,0 +1,73 @@
+#pragma once
+
+// Waveshare RP2040 LoRa
+// https://www.waveshare.com/wiki/RP2040-LoRa
+// https://files.waveshare.com/wiki/RP2040-LoRa/Rp2040-lora-sch.pdf
+// https://www.waveshare.com/w/upload/8/82/RP2040-LoRa_Pinout.jpg
+//
+
+/*
+                  Pin#                Pin#
+                       ___(_____)___
+           GPIO0   1  |   *USB C*   | 40   VBUS
+           GPIO1   2  |             | 39   VSYS
+             GND   3  |             | 38   GND
+           GPIO2   4  |             | 37   3V3_EN
+           GPIO3   5  |             | 36   3V3(OUT)
+           GPIO4   6  |             | 35   ADC_VREF
+           GPIO5   7  |             | 34   GPIO28
+             GND   8  |             | 33   GND
+           GPIO6   9  |             | 32   GPIO27
+           GPIO7  10  |             | 31   GPIO26
+           GPIO8  11  |             | 30   RUN
+           GPIO9  12  |             | 29   GPIO22
+             GND  13  |             | 28   GND
+          GPIO10  14  |             | 27   GPIO21
+          GPIO11  15  |             | 26   GPIO20
+          GPIO12  16  |_____________| 25   GPIO19
+*/
+
+// LEDs
+#define PIN_LED        (25u)
+
+// LoRa module internal connections
+#define SX1262_CS      (13u)
+#define SX1262_CLK     (14u)
+#define SX1262_MOSI    (15u)
+#define SX1262_DIO1    (16u)
+#define SX1262_ANT_SW  (17u)
+#define SX1262_BUSY    (18u)
+#define SX1262_RST     (23u)
+#define SX1262_MISO    (24u)
+
+// 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  (4u)
+#define PIN_SPI0_MOSI  (3u)
+#define PIN_SPI0_SCK   (2u)
+#define PIN_SPI0_SS    (5u)
+
+#define PIN_SPI1_MISO  (8u)
+#define PIN_SPI1_MOSI  (11u)
+#define PIN_SPI1_SCK   (10u)
+#define PIN_SPI1_SS    (9u)
+
+// Wire
+#define PIN_WIRE0_SDA  (4u)
+#define PIN_WIRE0_SCL  (5u)
+
+#define PIN_WIRE1_SDA  (6u)
+#define PIN_WIRE1_SCL  (7u)
+
+#define SERIAL_HOWMANY (2u)
+#define SPI_HOWMANY    (2u)
+#define WIRE_HOWMANY   (2u)
+
+
+#include "../generic/common.h"