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Add support for Adafruit QT Py board
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| /******************************************************************************* | ||
| * | ||
| * File: bsf_adafruit_qt_py_m0.h | ||
| * | ||
| * Function: Board Support File for Adafruit QT Py (SAMD21) | ||
| * with external SPI LoRa module. | ||
| * | ||
| * Copyright: Copyright (c) 2021 Leonel Lopes Parente | ||
| * | ||
| * License: MIT License. See accompanying LICENSE file. | ||
| * | ||
| * Author: Leonel Lopes Parente | ||
| * | ||
| * Description: This board has onboard USB (provided by the MCU). | ||
| * It supports automatic firmware upload and serial over USB. | ||
| * No onboard display. Optionally an external display can be connected. | ||
| * Has onboard LED but this is a Neopixel RGB LED which requires | ||
| * a separate library and is currently not supported by LMIC-node. | ||
| * | ||
| * Connect the LoRa module and optional display | ||
| * according to below connection details. | ||
| * | ||
| * CONNECTIONS AND PIN DEFINITIONS: | ||
| * | ||
| * Indentifiers between parentheses are defined in the board's | ||
| * Board Support Package (BSP) which is part of the Arduino core. | ||
| * | ||
| * Leds GPIO | ||
| * ---- ---- | ||
| * 13 (LED_BUILTIN) defined but there is no LED | ||
| * NEOPIX <――――――――――> 11 (PIN_NEOPIXEL) Neopixel LED | ||
| * 12 Neopixel enable. Default enabled = HIGH. | ||
| * | ||
| * I2C [display] GPIO | ||
| * --- ---- | ||
| * SDA <――――――――――> 20 (SDA) | ||
| * SCL <――――――――――> 21 (SCL) | ||
| * | ||
| * SPI/LoRa GPIO | ||
| * --- ---- | ||
| * MOSI <――――――――――> 10 (MOSI) | ||
| * MISO <――――――――――> 9 (MISO) | ||
| * SCK <――――――――――> 8 (SCK) | ||
| * NSS <――――――――――> 1 NOT SS, SS = 0 | ||
| * RST <――――――――――> - not connected | ||
| * DIO0 <――――――――――> 2 | ||
| * DIO1 <----------> 3 | ||
| * DIO2 - Not needed for LoRa | ||
| * | ||
| * Docs: https://docs.platformio.org/en/latest/boards/atmelsam/adafruit_qt_py_m0.html | ||
| * | ||
| * Identifiers: LMIC-node | ||
| * board-id: adafruit_qt_py_m0 | ||
| * PlatformIO | ||
| * board: adafruit_qt_py_m0 | ||
| * platform: atmelsam | ||
| * Arduino | ||
| * board: ADAFRUIT_QTPY_M0 | ||
| * architecture: ARDUINO_ARCH_SAMD | ||
| * | ||
| ******************************************************************************/ | ||
|
|
||
| #pragma once | ||
|
|
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| #ifndef BSF_ADAFRUIT_QT_PY_M0_H_ | ||
| #define BSF_ADAFRUIT_QT_PY_M0_H_ | ||
|
|
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| #include "LMIC-node.h" | ||
|
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| #define DEVICEID_DEFAULT "qt-py" // Default deviceid value | ||
|
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| // Wait for Serial | ||
| // Can be useful for boards with MCU with integrated USB support. | ||
| #define WAITFOR_SERIAL_SECONDS_DEFAULT 10 // -1 waits indefinitely | ||
|
|
||
| // LMIC Clock Error | ||
| // This is only needed for slower 8-bit MCUs (e.g. 8MHz ATmega328 and ATmega32u4). | ||
| // Value is defined in parts per million (of MAX_CLOCK_ERROR). | ||
| // #define LMIC_CLOCK_ERROR_PPM 0 | ||
|
|
||
| // Pin mappings for LoRa tranceiver | ||
| const lmic_pinmap lmic_pins = { | ||
| .nss = 1, | ||
| .rxtx = LMIC_UNUSED_PIN, | ||
| .rst = LMIC_UNUSED_PIN, | ||
| .dio = { /*dio0*/ 2, /*dio1*/ 3, /*dio2*/ LMIC_UNUSED_PIN } | ||
| #ifdef MCCI_LMIC | ||
| , | ||
| .rxtx_rx_active = 0, | ||
| .rssi_cal = 8, | ||
| .spi_freq = 8000000 /* 8 MHz */ | ||
| #endif | ||
| }; | ||
|
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| #ifdef USE_SERIAL | ||
| Serial_& serial = Serial; | ||
| #endif | ||
|
|
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| #ifdef USE_LED | ||
| #error "Invalid option: USE_LED. Onboard Neopixel RGB LED is currently not supported." | ||
| #endif | ||
|
|
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| #ifdef USE_DISPLAY | ||
| // Create U8x8 instance for SSD1306 OLED display (no reset) using hardware I2C. | ||
| U8X8_SSD1306_128X64_NONAME_HW_I2C display(/*rst*/ U8X8_PIN_NONE, /*scl*/ SCL, /*sda*/ SDA); | ||
| #endif | ||
|
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| bool boardInit(InitType initType) | ||
| { | ||
| // This function is used to perform board specific initializations. | ||
| // Required as part of standard template. | ||
|
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| // InitType::Hardware Must be called at start of setup() before anything else. | ||
| // InitType::PostInitSerial Must be called after initSerial() before other initializations. | ||
|
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| bool success = true; | ||
| switch (initType) | ||
| { | ||
| case InitType::Hardware: | ||
| // Note: Serial port and display are not yet initialized and cannot be used use here. | ||
| // No actions required for this board. | ||
| break; | ||
|
|
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| case InitType::PostInitSerial: | ||
| // Note: If enabled Serial port and display are already initialized here. | ||
| // No actions required for this board. | ||
| break; | ||
| } | ||
| return success; | ||
| } | ||
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| #endif // BSF_ADAFRUIT_QT_PY_M0_H_ |