5d1f5139ae
Support for R1 Neo hardware. New variant and baseboard class. * Known issues: - power management is not currently supported - power off via long button press is not implemented Add support for Epson Seiko RX8130CE I2C Real-time clock.
184 lines
5.5 KiB
C
184 lines
5.5 KiB
C
/*
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Copyright (c) 2014-2015 Arduino LLC. All right reserved.
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Copyright (c) 2016 Sandeep Mistry All right reserved.
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Copyright (c) 2018, Adafruit Industries (adafruit.com)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _VARIANT_R1NEO_
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#define _VARIANT_R1NEO_
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#define RAK4630
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/** Master clock frequency */
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#define VARIANT_MCK (64000000ul)
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#define USE_LFXO // Board uses 32khz crystal for LF
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// define USE_LFRC // Board uses RC for LF
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "WVariant.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif // __cplusplus
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/* Number of pins defined in PinDescription array */
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#define PINS_COUNT (48)
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#define NUM_DIGITAL_PINS (48)
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#define NUM_ANALOG_INPUTS (8)
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#define NUM_ANALOG_OUTPUTS (0)
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/* R1Neo peculiarities */
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#define PIN_DCDC_EN_MCU_HOLD (13) // P0.13 (04) DCDC_EN_MCU_HOLD
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#define PIN_SOFT_SHUTDOWN (29) // P0.29 (32) SOFT_SHUTDOWN_SIGNAL
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#define PIN_MCU_SIGNAL (30) // P0.30 (33) MCU_SIGNAL
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/* R1Neo LoRa Radio */
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// RAK4630/4631 pins
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#define P_LORA_DIO_1 (47) // P1.15 (SX)
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#define P_LORA_NSS (42) // P1.10 (SX)
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#define P_LORA_RESET RADIOLIB_NC // P1.06 (SX) -- 38
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#define P_LORA_BUSY (46) // P1.14 (SX)
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#define P_LORA_SCLK (43) // P1.11 (SX)
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#define P_LORA_MISO (45) // P1.13 (SX)
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#define P_LORA_MOSI (44) // P1.12 (SX)
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#define SX126X_POWER_EN (37) // P1.05 (SX)
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#define SX126X_DIO2_AS_RF_SWITCH true
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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/* R1Neo peripherals */
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/* GPS */
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#define GPS_RX (24) // P0.24 (23) UART_GPS_RX
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#define GPS_TX (25) // P0.25 (24) UART_GPS_TX
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#define GPS_EN (33) // P1.01 (25) GPS_EN
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#define GPS_PPS (2) // P0.02 (30) GPS_PPS
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#define PIN_GPS_1PPS GPS_PPS
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#define GPS_BAUD_RATE 9600
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/* RTC */
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#define RTC_SDA (19) // P0.19 (9) RTC_SDA
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#define RTC_SCL (20) // P0.20 (10) RTC_SCL
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/* LEDs */
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#define LED_GREEN (36) // P1.04 (28) GRN_LED_RAK
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#define LED_BLUE (28) // P0.28 (31) BLU_LED_RAK
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#define LED_BUILTIN (0xFF)
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#ifndef P_LORA_TX_LED
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#define P_LORA_TX_LED LED_GREEN
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#endif
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#define LED_STATE_ON 1 // State when LED is lit
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/* Buttons */
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#define PIN_USER_BTN (26)
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/* Buzzer */
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#define PIN_BUZZER (3)
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/* Analog pins */
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// Arduino makes me angry
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#define PIN_A0 (0xFF) // NOT_PRESENT
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#define PIN_A1 (0xFF) // NOT_PRESENT
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#define PIN_A2 (4) // P0.04 (41) NC
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#define PIN_A3 (5) // P0.05 (40) NC
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#define PIN_A4 (0xFF) // NOT_PRESENT
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#define PIN_A5 (0xFF) // NOT_PRESENT
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#define PIN_A6 (0xFF) // NOT_PRESENT
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#define PIN_A7 (31) // P0.31 (39) ADC_VBAT
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static const uint8_t A0 = PIN_A0;
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static const uint8_t A1 = PIN_A1;
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static const uint8_t A2 = PIN_A2;
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static const uint8_t A3 = PIN_A3;
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static const uint8_t A4 = PIN_A4;
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static const uint8_t A5 = PIN_A5;
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static const uint8_t A6 = PIN_A6;
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static const uint8_t A7 = PIN_A7;
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#define ADC_RESOLUTION 14
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// Other pins
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#define PIN_AREF (0xFF) // No analog reference
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static const uint8_t AREF = PIN_AREF;
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/* Serial interfaces */
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#define PIN_GPS_TX (GPS_TX)
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#define PIN_GPS_RX (GPS_RX)
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#define PIN_GPS_EN (GPS_EN)
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#define PIN_SERIAL1_TX (PIN_GPS_TX)
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#define PIN_SERIAL1_RX (PIN_GPS_RX)
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/* SPI Interfaces */
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// unused pins - define anyways
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#define SPI_INTERFACES_COUNT 1
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#define PIN_SPI_MOSI (9) // P0.09 (13) NC
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#define PIN_SPI_MISO (10) // P0.10 (12) NC
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#define PIN_SPI_SCK (21) // P0.21 (11) NC
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/* I2C Interfaces */
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#define WIRE_INTERFACES_COUNT 1
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#define PIN_WIRE_SDA (RTC_SDA)
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#define PIN_WIRE_SCL (RTC_SCL)
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/* QSPI Pins */
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// interface occupied by peripherals, define anyways
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#define PIN_QSPI_SCK (3) // P0.03 (29) BUZZER
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#define PIN_QSPI_CS (26) // P0.26 (34) USER_BUTTON
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#define PIN_QSPI_IO0 (30) // P0.30 (33) MCU_SIGNAL
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#define PIN_QSPI_IO1 (29) // P0.29 (32) SOFT_SHUTDOWN
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#define PIN_QSPI_IO2 (28) // P0.28 (31) BLU_LED_RAK
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#define PIN_QSPI_IO3 (2) // P0.02 (30) GPS_PPS
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/* On-board QSPI Flash */
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// No QSPI (define anyways)
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#define EXTERNAL_FLASH_DEVICES IS25LP080D
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#define EXTERNAL_FLASH_USE_QSPI
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/* Battery */
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#define PIN_VBAT_READ (31) // P0.31 (39) ADC_VBAT
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#define PIN_BAT_CHG (34) // P1.02 (26) BAT_CHG_STATUS
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#define ADC_MULTIPLIER (3 * 1.73 * 1.187 * 1000)
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// Power management boot protection threshold (millivolts)
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// Set to 0 to disable boot protection
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// disabled for now until I can figure this out
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#define PWRMGT_VOLTAGE_BOOTLOCK 0 // Won't boot below this voltage (mV)
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// LPCOMP wake configuration (voltage recovery from SYSTEMOFF)
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// AIN3 = P0.05 = PIN_A0 / PIN_VBAT_READ
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#define PWRMGT_LPCOMP_AIN 5
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#define PWRMGT_LPCOMP_REFSEL 4 // 5/8 VDD (~3.13-3.44V)
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#ifdef __cplusplus
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}
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#endif
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/*----------------------------------------------------------------------------
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* Arduino objects - C++ only
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*----------------------------------------------------------------------------*/
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#endif
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