89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
|
|
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 "pins_arduino.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
|
|
{
|
|
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;
|
|
bool _inTransaction;
|
|
void writePattern_(uint8_t * data, uint8_t size, uint8_t repeat);
|
|
|
|
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);
|
|
|
|
uint32_t getClockDivider();
|
|
|
|
void beginTransaction(SPISettings settings);
|
|
void endTransaction(void);
|
|
void transfer(uint8_t * data, uint32_t size);
|
|
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 write32(uint32_t data);
|
|
void writeBytes(const uint8_t * data, uint32_t size);
|
|
void writePixels(const void * data, uint32_t size);//ili9341 compatible
|
|
void writePattern(uint8_t * data, uint8_t size, uint32_t repeat);
|
|
|
|
spi_t * bus(){ return _spi; }
|
|
};
|
|
|
|
extern SPIClass SPI;
|
|
|
|
#endif
|