feat: Add Electronic Cats variant for catsniffer

variants/ec_catsniffer/platformio.ini

@@ -0,0 +1,15 @@
+[env:catsniffer]
+extends = rp2040_base
+board = rpipico
+upload_protocol = picotool
+
+build_flags = ${rp2040_base.build_flags} 
+  -DRPI_PICO
+  -Ivariants/catsniffer
+  -DDEBUG_RP2040_PORT=Serial
+  # -DHW_SPI1_DEVICE
+  -L "${platformio.libdeps_dir}/${this.__env__}/bsec2/src/cortex-m0plus"
+lib_deps =
+  ${rp2040_base.lib_deps}
+debug_build_flags = ${rp2040_base.build_flags}, -g
+debug_tool = cmsis-dap

variants/ec_catsniffer/variant.cpp

@@ -0,0 +1,39 @@
+/*
+  Copyright (c) 2014-2015 Arduino LLC.  All right reserved.
+  Copyright (c) 2016 Sandeep Mistry All right reserved.
+  Copyright (c) 2018, Adafruit Industries (adafruit.com)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "variant.h"
+#include "wiring_constants.h"
+#include "wiring_digital.h"
+
+#define CTF1 8
+#define CTF2 9
+#define CTF3 10
+
+void initVariant()
+{
+  // Config the LoRa Switch
+  pinMode(CTF1, OUTPUT);
+  pinMode(CTF2, OUTPUT);
+  pinMode(CTF3, OUTPUT);
+
+  digitalWrite(CTF1,  HIGH);
+  digitalWrite(CTF2,  LOW);
+  digitalWrite(CTF3,  LOW);
+}

variants/ec_catsniffer/variant.h

@@ -0,0 +1,41 @@
+// #define RADIOLIB_CUSTOM_ARDUINO 1
+// #define RADIOLIB_TONE_UNSUPPORTED 1
+// #define RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED 1
+
+#define ARDUINO_ARCH_AVR
+
+#define HAS_SCREEN 0
+#define HAS_GPS 0
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+
+#define LED_PIN 27
+
+#define USE_SX1262
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+#define LORA_SCK 18
+#define LORA_MISO 16
+#define LORA_MOSI 19
+#define LORA_CS 17 // NSS
+
+#define LORA_DIO0 5
+#define LORA_RESET 24
+#define LORA_DIO1 4
+#define LORA_DIO2 23
+#define LORA_DIO3 25
+#define SX126X_RXEN 21
+#define SX126X_TXEN 20
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO0
+#define SX126X_BUSY LORA_DIO1
+#define SX126X_RESET LORA_RESET
+// #define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 0
+#endif