adding rp2040-minipill-lora variant

platformio.ini

@@ -2,7 +2,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [platformio]
-default_envs = tbeam
+default_envs = rp2040-minipill-lora
 
 extra_configs =
 	arch/*/*.ini

variants/rp2040-minipill-lora/pins_arduino.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#define PIN_A0 (26u)
+#define PIN_A1 (27u)
+#define PIN_A2 (28u)
+#define PIN_A3 (29u)
+
+static const uint8_t A0 = PIN_A0;
+static const uint8_t A1 = PIN_A1;
+static const uint8_t A2 = PIN_A2;
+static const uint8_t A3 = PIN_A3;
+
+// LEDs
+#define PIN_LED (23u)
+#define PIN_LED1 PIN_LED
+#define LED_BUILTIN PIN_LED
+
+#define ADC_RESOLUTION 12
+
+// Serial
+#define PIN_SERIAL1_TX (16ul)
+#define PIN_SERIAL1_RX (17ul)
+
+#define PIN_SERIAL2_TX (8ul)
+#define PIN_SERIAL2_RX (9ul)
+
+// SPI
+#define PIN_SPI0_MISO (4u)
+#define PIN_SPI0_MOSI (3u)
+#define PIN_SPI0_SCK (2u)
+#define PIN_SPI0_SS (5u)
+
+// Wire
+#define PIN_WIRE0_SDA (20u)
+#define PIN_WIRE0_SCL (21u)
+
+#define PIN_WIRE1_SDA (-1)
+#define PIN_WIRE1_SCL (-1)
+
+#define SERIAL_HOWMANY (3u)
+#define SPI_HOWMANY (2u)
+#define WIRE_HOWMANY (1u)
+
+static const uint8_t SS = PIN_SPI0_SS;
+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 SDA = PIN_WIRE0_SDA;
+static const uint8_t SCL = PIN_WIRE0_SCL;

variants/rp2040-minipill-lora/platformio.ini

@@ -0,0 +1,16 @@
+[env:rp2040-minipill-lora]
+extends = rp2040_base
+board = rpipico
+upload_protocol = picotool
+
+# add our variants files to the include and src paths
+build_flags = ${rp2040_base.build_flags} 
+  -DRPI_PICO
+  -Ivariants/rp2040-minipill-lora
+  -DDEBUG_RP2040_PORT=Serial
+  -DUSE_SX127x
+  -L "${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 ; for e.g. Picotool

variants/rp2040-minipill-lora/variant.h

@@ -0,0 +1,26 @@
+#define ARDUINO_ARCH_AVR
+
+#define HAS_SCREEN 0
+
+#undef BATTERY_PIN
+#define BATTERY_SENSE_RESOLUTION_BITS ADC_RESOLUTION
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+#define USE_RF95 // RFM95/SX127x
+#define RF95_MAX_POWER 10
+#define RF95_PA_EN 1 
+#define LORA_SCK PIN_SPI0_SCK
+#define LORA_MISO PIN_SPI0_MISO
+#define LORA_MOSI PIN_SPI0_MOSI
+#define LORA_CS PIN_SPI0_SS
+
+#define LORA_DIO0 1
+#define LORA_DIO1 RADIOLIB_NC
+#define LORA_DIO2 RADIOLIB_NC
+#define LORA_RESET RADIOLIB_NC
+
+#define ledOff(pin) pinMode(pin, INPUT)