Marlin 2.0 for Flying Bear 4S/5
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/**
* 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
#include "softspi.h"
#include <stdint.h>
template<uint8_t MisoPin, uint8_t MosiPin, uint8_t SckPin>
class SPIclass {
static SoftSPI<MisoPin, MosiPin, SckPin> softSPI;
public:
FORCE_INLINE static void init() { softSPI.begin(); }
FORCE_INLINE static void send(uint8_t data) { softSPI.send(data); }
FORCE_INLINE static uint8_t receive() { return softSPI.receive(); }
};
// Hardware SPI
template<>
class SPIclass<MISO_PIN, MOSI_PIN, SCK_PIN> {
public:
FORCE_INLINE static void init() {
OUT_WRITE(SCK_PIN, LOW);
OUT_WRITE(MOSI_PIN, HIGH);
SET_INPUT_PULLUP(MISO_PIN);
}
FORCE_INLINE static uint8_t receive() {
#if defined(__AVR__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__)
SPDR = 0;
for (;!TEST(SPSR, SPIF););
return SPDR;
#else
return spiRec();
#endif
}
};