mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-14 04:04:34 +00:00
033c4e9a5b
* Updated style * Updated files * fixed new line * Updated spacing * File fix WIP * Updated to clang 13 * updated comment style * Removed old comment code
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
/*
|
|
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
|
|
*
|
|
* This file is part of PortaPack.
|
|
*
|
|
* 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 2, 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; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __RFFC507X_SPI_H__
|
|
#define __RFFC507X_SPI_H__
|
|
|
|
#include <cstdint>
|
|
#include <cstddef>
|
|
|
|
namespace rffc507x {
|
|
namespace spi {
|
|
|
|
using reg_t = uint16_t;
|
|
using address_t = uint8_t;
|
|
using bit_t = uint_fast8_t;
|
|
using data_t = uint32_t;
|
|
|
|
class SPI {
|
|
public:
|
|
enum class Direction {
|
|
Write = 0,
|
|
Read = 1,
|
|
};
|
|
|
|
void init();
|
|
|
|
reg_t read(const address_t address) {
|
|
return transfer_word(Direction::Read, address, 0);
|
|
}
|
|
|
|
void write(const address_t address, const reg_t value) {
|
|
transfer_word(Direction::Write, address, value);
|
|
}
|
|
|
|
private:
|
|
void select(const bool active);
|
|
|
|
void direction_out();
|
|
void direction_in();
|
|
|
|
void write_bit(const bit_t value);
|
|
bit_t read_bit();
|
|
|
|
bit_t transfer_bit(const bit_t bit_out);
|
|
data_t transfer_bits(const data_t data_out, const size_t count);
|
|
data_t transfer_word(const Direction direction, const address_t address, const data_t data_out);
|
|
};
|
|
|
|
} // namespace spi
|
|
} // namespace rffc507x
|
|
|
|
#endif /*__RFFC507X_SPI_H__*/
|