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92 lines
1.6 KiB
C++
92 lines
1.6 KiB
C++
/*
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* Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st>
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* Copyright (c) 2014 by Paul Stoffregen <paul@pjrc.com> (Transaction API)
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* Copyright (c) 2014 by Matthijs Kooijman <matthijs@stdin.nl> (SPISettings AVR)
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* SPI Master library for arduino.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either the GNU General Public License version 2
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* or the GNU Lesser General Public License version 2.1, both as
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* published by the Free Software Foundation.
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*/
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#include "SPI.h"
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#include "include/HSPI.h"
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SPIClass SPI;
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SPIClass::SPIClass()
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: _impl(0)
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{
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}
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void SPIClass::begin()
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{
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if (_impl)
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end();
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_impl = new HSPI;
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_impl->begin();
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}
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void SPIClass::end()
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{
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if (!_impl)
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return;
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_impl->end();
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delete _impl;
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_impl = 0;
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}
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void SPIClass::beginTransaction(SPISettings settings)
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{
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if (!_impl)
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return;
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_impl->setBitOrder(settings._bitOrder);
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_impl->setDataMode(settings._dataMode);
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_impl->setClockDivider(settings._clock);
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}
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uint8_t SPIClass::transfer(uint8_t data)
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{
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if (!_impl)
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return 0;
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return _impl->transfer(data);
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}
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uint16_t SPIClass::transfer16(uint16_t data)
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{
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if (!_impl)
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return 0;
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return _impl->transfer16(data);
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}
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void SPIClass::transfer(void *buf, size_t count)
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{
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if (!_impl)
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return;
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_impl->transfer(buf, count);
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}
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void SPIClass::setBitOrder(uint8_t bitOrder)
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{
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if (!_impl)
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return;
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_impl->setBitOrder(bitOrder);
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}
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void SPIClass::setDataMode(uint8_t dataMode)
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{
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if (!_impl)
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return;
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_impl->setDataMode(dataMode);
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}
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void SPIClass::setClockDivider(uint8_t clockDiv)
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{
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if (!_impl)
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return;
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_impl->setClockDivider(clockDiv);
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}
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