Firmware2/Marlin/src/HAL/DUE/spi_pins.h
2020-03-13 16:29:29 -05:00

65 lines
1.8 KiB
C

/**
* 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 <http://www.gnu.org/licenses/>.
*
*/
#pragma once
/**
* Define SPI Pins: SCK, MISO, MOSI, SS
*
* Available chip select pins for HW SPI are 4 10 52 77
*/
#if SDSS == 4 || SDSS == 10 || SDSS == 52 || SDSS == 77 || SDSS == 87
#if SDSS == 4
#define SPI_PIN 87
#define SPI_CHAN 1
#elif SDSS == 10
#define SPI_PIN 77
#define SPI_CHAN 0
#elif SDSS == 52
#define SPI_PIN 86
#define SPI_CHAN 2
#elif SDSS == 77
#define SPI_PIN 77
#define SPI_CHAN 0
#else
#define SPI_PIN 87
#define SPI_CHAN 1
#endif
#define SCK_PIN 76
#define MISO_PIN 74
#define MOSI_PIN 75
#else
// defaults
#define DUE_SOFTWARE_SPI
#ifndef SCK_PIN
#define SCK_PIN 52
#endif
#ifndef MISO_PIN
#define MISO_PIN 50
#endif
#ifndef MOSI_PIN
#define MOSI_PIN 51
#endif
#endif
/* A.28, A.29, B.21, C.26, C.29 */
#define SS_PIN SDSS