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This commit is contained in:
me-no-dev
2016-10-06 14:21:30 +03:00
committed by Ivan Grokhotkov
parent 668acc2c08
commit 5f3a205955
657 changed files with 170176 additions and 0 deletions
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libraries/SPI/src/SPI.h Normal file
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/*
SPI.h - SPI library for esp8266
Copyright (c) 2015 Hristo Gochkov. All rights reserved.
This file is part of the esp8266 core for Arduino environment.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _SPI_H_INCLUDED
#define _SPI_H_INCLUDED
#include <stdlib.h>
#include "esp32-hal-spi.h"
class SPISettings
{
public:
SPISettings() :_clock(1000000), _bitOrder(SPI_MSBFIRST), _dataMode(SPI_MODE0) {}
SPISettings(uint32_t clock, uint8_t bitOrder, uint8_t dataMode) :_clock(clock), _bitOrder(bitOrder), _dataMode(dataMode) {}
uint32_t _clock;
uint8_t _bitOrder;
uint8_t _dataMode;
};
class SPIClass
{
public:
SPIClass(uint8_t spi_bus=HSPI);
void begin(int8_t sck=-1, int8_t miso=-1, int8_t mosi=-1, int8_t ss=-1);
void end();
void setHwCs(bool use);
void setBitOrder(uint8_t bitOrder);
void setDataMode(uint8_t dataMode);
void setFrequency(uint32_t freq);
void setClockDivider(uint32_t clockDiv);
void beginTransaction(SPISettings settings);
void endTransaction(void);
uint8_t transfer(uint8_t data);
uint16_t transfer16(uint16_t data);
uint32_t transfer32(uint32_t data);
void transferBytes(uint8_t * data, uint8_t * out, uint32_t size);
void transferBits(uint32_t data, uint32_t * out, uint8_t bits);
void write(uint8_t data);
void write16(uint16_t data);
void write16(uint16_t data, bool msb);
void write32(uint32_t data);
void write32(uint32_t data, bool msb);
void writeBytes(uint8_t * data, uint32_t size);
void writePattern(uint8_t * data, uint8_t size, uint32_t repeat);
private:
int8_t _spi_num;
spi_t * _spi;
bool _use_hw_ss;
int8_t _sck;
int8_t _miso;
int8_t _mosi;
int8_t _ss;
uint32_t _div;
uint32_t _freq;
void writePattern_(uint8_t * data, uint8_t size, uint8_t repeat);
};
extern SPIClass SPI;
#endif