/** * Marlin 3D Printer Firmware * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] * * 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 /** * HAL for stm32duino.com based on Libmaple and compatible (STM32F1) */ /** * STM32F1 Default SPI Pins * * SS SCK MISO MOSI * +-----------------------------+ * SPI1 | PA4 PA5 PA6 PA7 | * SPI2 | PB12 PB13 PB14 PB15 | * SPI3 | PA15 PB3 PB4 PB5 | * +-----------------------------+ * Any pin can be used for Chip Select (SS_PIN) * SPI1 is enabled by default */ #ifndef SCK_PIN #define SCK_PIN PA5 #endif #ifndef MISO_PIN #define MISO_PIN PA6 #endif #ifndef MOSI_PIN #define MOSI_PIN PA7 #endif #ifndef SS_PIN #define SS_PIN PA4 #endif #undef SDSS #define SDSS SS_PIN #if ENABLED(ENABLE_SPI3) #define SPI_DEVICE 3 #elif ENABLED(ENABLE_SPI2) #define SPI_DEVICE 2 #else #define SPI_DEVICE 1 #endif