59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
|
|
This file is part of the Arduino NINA firmware.
|
|
Copyright (c) 2018 Arduino SA. All rights reserved.
|
|
|
|
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 Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef SPIS_H
|
|
#define SPIS_H
|
|
|
|
#include <driver/spi_common.h>
|
|
#include <driver/spi_slave.h>
|
|
|
|
class SPISClass {
|
|
|
|
public:
|
|
SPISClass(spi_host_device_t hostDevice, int dmaChannel, int mosiPin, int misoPin, int sclkPin, int csPin, int readyPin);
|
|
|
|
int begin();
|
|
int transfer(uint8_t out[], uint8_t in[], size_t len);
|
|
|
|
private:
|
|
static void onChipSelect();
|
|
void handleOnChipSelect();
|
|
|
|
static void onSetupComplete(spi_slave_transaction_t*);
|
|
void handleSetupComplete();
|
|
|
|
private:
|
|
spi_host_device_t _hostDevice;
|
|
int _dmaChannel;
|
|
int _mosiPin;
|
|
int _misoPin;
|
|
int _sclkPin;
|
|
int _csPin;
|
|
int _readyPin;
|
|
|
|
intr_handle_t _csIntrHandle;
|
|
|
|
SemaphoreHandle_t _readySemaphore;
|
|
};
|
|
|
|
extern SPISClass SPIS;
|
|
|
|
#endif
|
|
|