/** * Marlin 3D Printer Firmware * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] * * Based on Sprinter and grbl. * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * */ #pragma once #include /** * Marlin currently requires 3 SPI classes: * * SPIClass: * This class is normally provided by frameworks and has a semi-default interface. * This is needed because some libraries reference it globally. * * SPISettings: * Container for SPI configs for SPIClass. As above, libraries may reference it globally. * * These two classes are often provided by frameworks so we cannot extend them to add * useful methods for Marlin. * * MarlinSPI: * Provides the default SPIClass interface plus some Marlin goodies such as a simplified * interface for SPI DMA transfer. * */ using MarlinSPI = SPIClass;