59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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/**
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* HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
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*/
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/**
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* STM32F1 Default SPI Pins
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*
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* SS SCK MISO MOSI
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* +-----------------------------+
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* SPI1 | PA4 PA5 PA6 PA7 |
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* SPI2 | PB12 PB13 PB14 PB15 |
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* SPI3 | PA15 PB3 PB4 PB5 |
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* +-----------------------------+
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* Any pin can be used for Chip Select (SS_PIN)
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* SPI1 is enabled by default
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*/
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#ifndef SCK_PIN
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#define SCK_PIN PA5
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#endif
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#ifndef MISO_PIN
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#define MISO_PIN PA6
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#endif
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#ifndef MOSI_PIN
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#define MOSI_PIN PA7
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#endif
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#ifndef SS_PIN
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#define SS_PIN PA4
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#endif
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#undef SDSS
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#define SDSS SS_PIN
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#if ENABLED(ENABLE_SPI3)
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#define SPI_DEVICE 3
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#elif ENABLED(ENABLE_SPI2)
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#define SPI_DEVICE 2
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#else
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#define SPI_DEVICE 1
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#endif
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