/* 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 */ #ifndef _VARIANT_RAK4630_ #define _VARIANT_RAK4630_ #define RAK4630 /** Master clock frequency */ #define VARIANT_MCK (64000000ul) #define USE_LFXO // Board uses 32khz crystal for LF // define USE_LFRC // Board uses RC for LF /*---------------------------------------------------------------------------- * Headers *----------------------------------------------------------------------------*/ #include "WVariant.h" #ifdef __cplusplus extern "C" { #endif // __cplusplus // Number of pins defined in PinDescription array #define PINS_COUNT (48) #define NUM_DIGITAL_PINS (48) #define NUM_ANALOG_INPUTS (6) #define NUM_ANALOG_OUTPUTS (0) // LEDs #define PIN_LED1 (35) #define PIN_LED2 (36) #define LED_BUILTIN PIN_LED1 #define LED_CONN PIN_LED2 #define LED_GREEN PIN_LED1 #define LED_BLUE PIN_LED2 #define LED_STATE_ON 1 // State when LED is litted /* * Buttons */ #define PIN_BUTTON1 9 // Pin for button on E-ink button module or IO expansion #define BUTTON_NEED_PULLUP #define PIN_BUTTON2 12 #define PIN_BUTTON3 24 #define PIN_BUTTON4 25 /* * Analog pins */ #define PIN_A0 (5) #define PIN_A1 (31) #define PIN_A2 (28) #define PIN_A3 (29) #define PIN_A4 (30) #define PIN_A5 (31) #define PIN_A6 (0xff) #define PIN_A7 (0xff) 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; static const uint8_t A4 = PIN_A4; static const uint8_t A5 = PIN_A5; static const uint8_t A6 = PIN_A6; static const uint8_t A7 = PIN_A7; #define ADC_RESOLUTION 14 // Other pins #define PIN_AREF (2) #define PIN_NFC1 (9) #define PIN_NFC2 (10) static const uint8_t AREF = PIN_AREF; /* * Serial interfaces */ #define PIN_SERIAL1_RX (15) #define PIN_SERIAL1_TX (16) // Connected to Jlink CDC #define PIN_SERIAL2_RX (8) #define PIN_SERIAL2_TX (6) /* * SPI Interfaces */ #define SPI_INTERFACES_COUNT 2 #define PIN_SPI_MISO (45) #define PIN_SPI_MOSI (44) #define PIN_SPI_SCK (43) #define PIN_SPI1_MISO (29) // (0 + 29) #define PIN_SPI1_MOSI (30) // (0 + 30) #define PIN_SPI1_SCK (3) // (0 + 3) static const uint8_t SS = 42; static const uint8_t MOSI = PIN_SPI_MOSI; static const uint8_t MISO = PIN_SPI_MISO; static const uint8_t SCK = PIN_SPI_SCK; /* * eink display pins */ #define PIN_EINK_EN (0 + 2) // (0 + 2) Note: this is really just backlight power #define PIN_EINK_CS (0 + 26) #define PIN_EINK_BUSY (0 + 4) #define PIN_EINK_DC (0 + 17) #define PIN_EINK_RES (-1) #define PIN_EINK_SCLK (0 + 3) #define PIN_EINK_MOSI (0 + 30) // also called SDI // Controls power for the eink display - Board power is enabled either by VBUS from USB or the CPU asserting PWR_ON // FIXME - I think this is actually just the board power enable - it enables power to the CPU also //#define PIN_EINK_PWR_ON (-1) #define USE_EINK /* * Wire Interfaces */ #define WIRE_INTERFACES_COUNT 1 #define PIN_WIRE_SDA (13) #define PIN_WIRE_SCL (14) // QSPI Pins #define PIN_QSPI_SCK 3 #define PIN_QSPI_CS 26 #define PIN_QSPI_IO0 30 #define PIN_QSPI_IO1 29 #define PIN_QSPI_IO2 28 #define PIN_QSPI_IO3 2 // On-board QSPI Flash #define EXTERNAL_FLASH_DEVICES IS25LP080D #define EXTERNAL_FLASH_USE_QSPI /* @note RAK5005-O GPIO mapping to RAK4631 GPIO ports RAK5005-O <-> nRF52840 IO1 <-> P0.17 (Arduino GPIO number 17) IO2 <-> P1.02 (Arduino GPIO number 34) IO3 <-> P0.21 (Arduino GPIO number 21) IO4 <-> P0.04 (Arduino GPIO number 4) IO5 <-> P0.09 (Arduino GPIO number 9) IO6 <-> P0.10 (Arduino GPIO number 10) SW1 <-> P0.01 (Arduino GPIO number 1) A0 <-> P0.04/AIN2 (Arduino Analog A2 A1 <-> P0.31/AIN7 (Arduino Analog A7 SPI_CS <-> P0.26 (Arduino GPIO number 26) */ // RAK4630 LoRa module #define USE_SX1262 #define SX126X_CS (42) #define SX126X_DIO1 (47) #define SX126X_BUSY (46) #define SX126X_RESET (38) #define SX126X_TXEN (39) #define SX126X_RXEN (37) #define SX126X_E22 // DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3 // RAK1910 GPS module // If using the wisblock GPS module and pluged into Port A on WisBlock base // IO1 is hooked to PPS (pin 12 on header) = gpio 17 // IO2 is hooked to GPS RESET = gpio 34, but it can not be used to this because IO2 is ALSO used to control 3V3_S power (1 is on). // Therefore must be 1 to keep peripherals powered // Power is on the controllable 3V3_S rail // #define PIN_GPS_RESET (34) #define PIN_GPS_EN (34) #define PIN_GPS_PPS (17) // Pulse per second input from the GPS #define GPS_RX_PIN PIN_SERIAL1_RX #define GPS_TX_PIN PIN_SERIAL1_TX // RAK12002 RTC Module #define RV3028_RTC (uint8_t) 0b1010010 // Battery // The battery sense is hooked to pin A0 (5) #define BATTERY_PIN PIN_A0 // and has 12 bit resolution #define BATTERY_SENSE_RESOLUTION_BITS 12 #define BATTERY_SENSE_RESOLUTION 4096.0 // Definition of milliVolt per LSB => 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096 #define VBAT_MV_PER_LSB (0.73242188F) // Voltage divider value => 1.5M + 1M voltage divider on VBAT = (1.5M / (1M + 1.5M)) #define VBAT_DIVIDER (0.4F) // Compensation factor for the VBAT divider #define VBAT_DIVIDER_COMP (1.73) // Fixed calculation of milliVolt from compensation value #define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB) #undef AREF_VOLTAGE #define AREF_VOLTAGE 3.0 #define VBAT_AR_INTERNAL AR_INTERNAL_3_0 #define ADC_MULTIPLIER VBAT_DIVIDER_COMP //REAL_VBAT_MV_PER_LSB #define VBAT_RAW_TO_SCALED(x) (REAL_VBAT_MV_PER_LSB * x) #define HAS_RTC 1 #ifdef __cplusplus } #endif /*---------------------------------------------------------------------------- * Arduino objects - C++ only *----------------------------------------------------------------------------*/ #endif