/* 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_TTGO_EINK_V1_0_ #define _VARIANT_TTGO_EINK_V1_0_ /** Master clock frequency */ #define VARIANT_MCK (64000000ul) #define USE_LFXO // Board uses 32khz crystal 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 (1) #define NUM_ANALOG_OUTPUTS (0) // LEDs #define PIN_LED1 (32 + 7) // Green LED #define PIN_LED2 (32 + 5) // Blue LED // Unused(by firmware) LEDs: #define PIN_LED3 (32 + 14) // Red LED inside, under the display. #define LED_RED PIN_LED3 #define LED_BLUE PIN_LED2 #define LED_GREEN PIN_LED1 #define BLE_LED LED_BLUE #define BLE_LED_INVERTED 1 #define LED_BUILTIN LED_GREEN #define LED_CONN LED_GREEN #define LED_STATE_ON 0 // State when LED is lit // Buttons #define PIN_BUTTON1 (0 + 24) #define PIN_BUTTON2 (0 + 18) // 0.18 is labeled on the board as RESET but we configure it in the bootloader as a regular GPIO #define BUTTON_CLICK_MS 400 // Analog pins #define PIN_A0 (0 + 2) // Battery ADC #define BATTERY_PIN PIN_A0 static const uint8_t A0 = PIN_A0; #define ADC_RESOLUTION 14 #define ADC_CTRL (0 + 31) #define ADC_CTRL_ENABLED HIGH // NFC #define PIN_NFC1 (9) #define PIN_NFC2 (10) // Wire Interfaces #define WIRE_INTERFACES_COUNT 1 #define PIN_WIRE_SDA (32 + 4) #define PIN_WIRE_SCL (32 + 2) /* Internal, PCB PAD interrupt PIN. Currently not used. (Not built in my device) */ // #define PIN_IMU_INT (0 + 16) // Interrupt from the IMU, macro name correct?! // External serial flash ZD25WQ32CEIGR // QSPI Pins #define PIN_QSPI_SCK (0 + 4) #define PIN_QSPI_CS (0 + 12) #define PIN_QSPI_IO0 (0 + 6) // MOSI if using two bit interface #define PIN_QSPI_IO1 (0 + 8) // MISO if using two bit interface #define PIN_QSPI_IO2 (32 + 9) // WP if using two bit interface (i.e. not used) #define PIN_QSPI_IO3 (0 + 26) // HOLD if using two bit interface (i.e. not used) // On-board QSPI Flash #define EXTERNAL_FLASH_DEVICES ZD25WQ32CEIGR #define EXTERNAL_FLASH_USE_QSPI // Lora radio #define USE_SX1262 // #define USE_SX1268 // currently only available with XS1262. #define SX126X_CS (0 + 11) #define SX126X_DIO1 (32 + 8) #define SX126X_DIO2 (0 + 5) #define SX126X_BUSY (0 + 14) #define SX126X_RESET (0 + 7) #define SX126X_RXEN (32 + 1) #define SX126X_TXEN (0 + 27) // #define TCXO_OPTIONAL #define SX126X_DIO3_TCXO_VOLTAGE 1.8 // eink display pins #define VEXT_ENABLE (32 + 12) #define VEXT_ON_VALUE LOW #define PIN_EINK_CS (0 + 22) #define PIN_EINK_BUSY (0 + 3) #define PIN_EINK_DC (0 + 21) #define PIN_EINK_RES (0 + 28) #define PIN_EINK_SCLK (0 + 19) #define PIN_EINK_MOSI (0 + 20) // Controls power 3V3 for all peripherals (eink + GPS + LoRa + Sensor) #define PIN_POWER_EN (0 + 30) // 3V3 POWER Enable #define PIN_SPI1_MISO (-1) // The display does not use MISO. #define PIN_SPI1_MOSI PIN_EINK_MOSI #define PIN_SPI1_SCK PIN_EINK_SCLK // GPS pins // #define GPS_DEBUG #define GPS_L76K #define GPS_BAUDRATE 9600 #define HAS_GPS 1 // #define PIN_GPS_REINIT (32 + 5) // An output to reset L76K GPS. As per datasheet, low for > 100ms will reset the L76K #define PIN_GPS_STANDBY (32 + 10) // An output to wake GPS, low means allow sleep, high means force wake // Seems to be missing on this new board #define PIN_GPS_PPS (0 + 29) // Pulse per second input from the GPS #define GPS_TX_PIN (32 + 15) // This is for bits going TOWARDS the CPU #define GPS_RX_PIN (32 + 13) // This is for bits going TOWARDS the GPS #define GPS_THREAD_INTERVAL 50 #define PIN_SERIAL1_RX GPS_TX_PIN #define PIN_SERIAL1_TX GPS_RX_PIN // SPI Interfaces #define SPI_INTERFACES_COUNT 2 // For LORA, SPI 0 #define PIN_SPI_MISO (0 + 17) #define PIN_SPI_MOSI (0 + 15) #define PIN_SPI_SCK (0 + 13) // Battery // The battery sense is hooked to pin A0 (2) // it is defined in the analogue pin section of this file // and has 12 bit resolution #define BATTERY_SENSE_RESOLUTION_BITS 12 #define BATTERY_SENSE_RESOLUTION 4096.0 #undef AREF_VOLTAGE #define AREF_VOLTAGE 3.0 #define VBAT_AR_INTERNAL AR_INTERNAL_3_0 #define ADC_MULTIPLIER (2.0F) // #define NO_EXT_GPIO 1 // PINs back side // Batt & solar connector left up corner /* ------------------------------- | VDDH, VBAT, 0.23, SCL , 1.06 | | GND , SDA , 0.09, 0.10, 0.25 | ------------------------------- -------- | VDDH | | GND | | 1.13 | - Wake Up/standby | 1.15 | - PPS | 0.29 | - TX | 1.10 | - RX | 1.11 | - EN -------- ------------------------------- | 3V3 , GND , 0.16, 1.03, G_WU | 0.16 internal solder pad interrupt PIN, | G_EN, G_RX, G_TX, GND , PPS | ------------------------------- */ // To debug via the segger JLINK console rather than the CDC-ACM serial device // #define USE_SEGGER #ifdef __cplusplus } #endif /*---------------------------------------------------------------------------- * Arduino objects - C++ only *----------------------------------------------------------------------------*/ #endif