Quency-DandGitHub
68af6b277c
* Add heltec_mesh_tower_v2 board. * Added automatic detection for high and low power versions. * Fix low power consumption issues
157 lines
4.6 KiB
C
157 lines
4.6 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_HELTEC_NRF_
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#define _VARIANT_HELTEC_NRF_
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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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/*----------------------------------------------------------------------------
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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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#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 (1)
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#define NUM_ANALOG_OUTPUTS (0)
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#define PIN_LED1 (32 + 15) // green
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#define LED_BLUE PIN_LED1 // fake for bluefruit library
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#define LED_GREEN PIN_LED1
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#define LED_STATE_ON 0 // State when LED is lit
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/*
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* Buttons
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*/
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#define PIN_BUTTON1 (32 + 10) // P1.10, MCU_USER
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/*
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No longer populated on PCB
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*/
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#define PIN_SERIAL2_RX (-1)
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#define PIN_SERIAL2_TX (-1)
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/*
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* I2C
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*/
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#define WIRE_INTERFACES_COUNT 1
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// I2C bus 0, routed to HUSB238 USB PD sink controller.
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#define PIN_WIRE_SDA (0 + 30) // P0.30, PD_SINK_SDA
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#define PIN_WIRE_SCL (0 + 5) // P0.05, PD_SINK_SCL
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/*
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* Lora radio
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*/
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#define USE_SX1262
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#define SX126X_CS (0 + 24)
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#define LORA_CS SX126X_CS
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#define SX126X_DIO1 (0 + 20)
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#define SX126X_BUSY (0 + 17)
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#define SX126X_RESET (0 + 25)
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#define SX126X_DIO2_AS_RF_SWITCH
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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#define USE_KCT8103L_PA_ONLY
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#define LORA_KCT8103L_EN (0 + 15) // CSD - KCT8103L chip enable (HIGH=on)
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#define LORA_KCT8103L_TX_RX (0 + 16) // TX or bypass control (HIGH=TX, LOW=RX)
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#define LORA_PA_POWER LORA_KCT8103L_EN
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#define RF_PA_DETECT_PIN (0 + 13) // HIGH=high-power PA, LOW=low-power
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#define RF_PA_HIGH_POWER_VALUE HIGH
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/*
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* SPI Interfaces
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*/
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#define SPI_INTERFACES_COUNT 1
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// For LORA, spi 0
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#define PIN_SPI_MISO (0 + 23)
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#define PIN_SPI_MOSI (0 + 22)
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#define PIN_SPI_SCK (0 + 19)
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/*
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* GPS pins
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*/
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#define GPS_L76K
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#define PIN_GPS_RESET (32 + 6)
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#define GPS_RESET_MODE LOW
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#define PIN_GPS_EN (0 + 7) // P0.07, VGNSS_Ctrl
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#define GPS_EN_ACTIVE LOW
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#define PERIPHERAL_WARMUP_MS 1000 // Make sure GNSS power is stable before continuing
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#define PIN_GPS_STANDBY (32 + 2) // P1.02, WAKE_UP. Low allows sleep, high forces wake.
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#define PIN_GPS_PPS (32 + 4) // P1.04, 1PPS
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#define GPS_RX_PIN (32 + 5) // P1.05, MCU RX connected to GPS TXD.
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#define GPS_TX_PIN (32 + 7) // P1.07, MCU TX connected to GPS RXD.
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#define GPS_THREAD_INTERVAL 50
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#define PIN_SERIAL1_RX GPS_RX_PIN
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#define PIN_SERIAL1_TX GPS_TX_PIN
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// Hardware watchdog
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#define HAS_HARDWARE_WATCHDOG
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#define HARDWARE_WATCHDOG_DONE (0 + 9)
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#define HARDWARE_WATCHDOG_WAKE (0 + 10)
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#define HARDWARE_WATCHDOG_TIMEOUT_MS (6 * 60 * 1000) // 6 minute watchdog
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#define SERIAL_PRINT_PORT 0
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#define ADC_CTRL (0 + 21) // P0.21, ADC_Ctrl
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#define ADC_CTRL_ENABLED HIGH
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#define BATTERY_PIN (0 + 4) // P0.04, ADC_IN
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#define ADC_RESOLUTION 14
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#define BATTERY_SENSE_RESOLUTION_BITS 12
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#define BATTERY_SENSE_RESOLUTION 4096.0
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#undef AREF_VOLTAGE
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#define AREF_VOLTAGE 3.0
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#define VBAT_AR_INTERNAL AR_INTERNAL_3_0
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#define ADC_MULTIPLIER (4.916F)
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// nRF52840 AIN2 is P0.04 on the MeshTower V2 battery divider.
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#define BATTERY_LPCOMP_INPUT NRF_LPCOMP_INPUT_2
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// We have AIN2 with a VBAT divider so AIN2 = VBAT * (100/490)
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// We have the device going deep sleep under 3.1V, which is AIN2 = 0.63V
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// So we can wake up when VBAT>=VDD is restored to 3.3V, where AIN2 = 0.67V
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// Ratio 0.67/3.3 = 0.20, so we can pick a bit higher, 2/8 VDD, which means
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// VBAT=4.04V
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#define BATTERY_LPCOMP_THRESHOLD NRF_LPCOMP_REF_SUPPLY_2_8
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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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