62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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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 <http://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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* Define SPI Pins: SCK, MISO, MOSI, SS
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*
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* Available chip select pins for HW SPI are 4 10 52 77
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*/
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#if (SDSS == 4) || (SDSS == 10) || (SDSS == 52) || (SDSS == 77)
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#if (SDSS == 4)
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#define SPI_PIN 87
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#define SPI_CHAN 1
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#elif (SDSS == 10)
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#define SPI_PIN 77
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#define SPI_CHAN 0
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#elif (SDSS == 52)
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#define SPI_PIN 86
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#define SPI_CHAN 2
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#else
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#define SPI_PIN 77
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#define SPI_CHAN 0
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#endif
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#define SCK_PIN 76
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#define MISO_PIN 74
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#define MOSI_PIN 75
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#else
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// defaults
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#define DUE_SOFTWARE_SPI
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#ifndef SCK_PIN
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#define SCK_PIN 52
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#endif
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#ifndef MISO_PIN
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#define MISO_PIN 50
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#endif
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#ifndef MOSI_PIN
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#define MOSI_PIN 51
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#endif
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#endif
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/* A.28, A.29, B.21, C.26, C.29 */
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#define SS_PIN SDSS
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