init

variants/rak11310/pins_arduino.h

@@ -0,0 +1,68 @@
+#pragma once
+
+// Pin definitions taken from:
+//    https://datasheets.raspberrypi.org/pico/pico-datasheet.pdf
+
+static const uint8_t WB_IO1 = 6;  // SLOT_A SLOT_B
+static const uint8_t WB_IO2 = 22; // SLOT_A SLOT_B
+static const uint8_t WB_IO3 = 7;  // SLOT_C
+static const uint8_t WB_IO4 = 28; // SLOT_C
+static const uint8_t WB_IO5 = 9;  // SLOT_D
+static const uint8_t WB_IO6 = 8;  // SLOT_D
+static const uint8_t WB_A0 = 26;  // IO_SLOT
+static const uint8_t WB_A1 = 27;  // IO_SLOT
+
+#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 PIN_LED2 (24u)
+#define LED_BUILTIN PIN_LED
+
+#define ADC_RESOLUTION 12
+
+// Serial
+#define PIN_SERIAL1_TX (0ul)
+#define PIN_SERIAL1_RX (1ul)
+
+#define PIN_SERIAL2_TX (4ul)
+#define PIN_SERIAL2_RX (5ul)
+
+// SPI
+#define PIN_SPI0_MISO (12u)
+#define PIN_SPI0_MOSI (11u)
+#define PIN_SPI0_SCK (10u)
+#define PIN_SPI0_SS (13u)
+
+#define PIN_SPI1_MISO (16u)
+#define PIN_SPI1_MOSI (19u)
+#define PIN_SPI1_SCK (18u)
+#define PIN_SPI1_SS (17u)
+
+// Wire
+#define PIN_WIRE0_SDA (2u)
+#define PIN_WIRE0_SCL (3u)
+
+#define PIN_WIRE1_SDA (20u)
+#define PIN_WIRE1_SCL (21u)
+
+#define SERIAL_HOWMANY (3u)
+#define SPI_HOWMANY (2u)
+#define WIRE_HOWMANY (2u)
+
+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/rak11310/platformio.ini

@@ -0,0 +1,17 @@
+[env:rak11310]
+extends = rp2040_base
+board = wiscore_rak11300
+upload_protocol = picotool
+# keep an old SDK to use less memory.
+platform_packages = framework-arduinopico@https://github.com/earlephilhower/arduino-pico.git#3.7.2
+
+# add our variants files to the include and src paths
+build_flags = ${rp2040_base.build_flags} 
+  -DRAK11310
+  -Ivariants/rak11310
+  -DDEBUG_RP2040_PORT=Serial
+  -L "${platformio.libdeps_dir}/${this.__env__}/bsec2/src/cortex-m0plus"
+lib_deps =
+  ${rp2040_base.lib_deps}
+debug_build_flags = ${rp2040_base.build_flags}
+debug_tool = cmsis-dap ; for e.g. Picotool

variants/rak11310/variant.h

@@ -0,0 +1,51 @@
+// #define RADIOLIB_CUSTOM_ARDUINO 1
+// #define RADIOLIB_TONE_UNSUPPORTED 1
+// #define RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED 1
+
+#define ARDUINO_ARCH_AVR
+
+#define LED_CONN PIN_LED2
+#define LED_PIN LED_BUILTIN
+#define ledOff(pin) pinMode(pin, INPUT)
+
+#define BUTTON_PIN 9
+#define BUTTON_NEED_PULLUP
+// #define EXT_NOTIFY_OUT 4
+
+#define BATTERY_PIN 26
+#define BATTERY_SENSE_RESOLUTION_BITS ADC_RESOLUTION
+// ratio of voltage divider = 3.0 (R17=200k, R18=100k)
+#define ADC_MULTIPLIER 1.84
+
+#define DETECTION_SENSOR_EN 28
+
+#define USE_SX1262
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+// RAK BSP somehow uses SPI1 instead of SPI0
+#define HW_SPI1_DEVICE
+#define LORA_SCK PIN_SPI0_SCK
+#define LORA_MOSI PIN_SPI0_MOSI
+#define LORA_MISO PIN_SPI0_MISO
+#define LORA_CS PIN_SPI0_SS
+
+#define LORA_DIO0 RADIOLIB_NC
+#define LORA_RESET 14
+#define LORA_DIO1 29
+#define LORA_DIO2 15
+#define LORA_DIO3 RADIOLIB_NC
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_POWER_EN 25
+// DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#endif