hackrf/firmware/common/spi_ssp.h
Jared Boone 5363ec3672 Use new GPIO API to abstract GPIO in various drivers.
Had to do it all at once due to name conflicts with API exposed in libopencm3.
Quite invasive patch! Also precipitated an LED API...
2014-11-15 16:26:59 -08:00

47 lines
1.4 KiB
C

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of HackRF.
*
* 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 __SPI_SSP_H__
#define __SPI_SSP_H__
#include <stdint.h>
#include <stddef.h>
#include "spi_bus.h"
#include "gpio.h"
#include <libopencm3/lpc43xx/ssp.h>
typedef struct ssp_config_t {
ssp_datasize_t data_bits;
uint8_t serial_clock_rate;
uint8_t clock_prescale_rate;
gpio_t gpio_select;
} ssp_config_t;
void spi_ssp_start(spi_bus_t* const bus, const void* const config);
void spi_ssp_stop(spi_bus_t* const bus);
void spi_ssp_transfer(spi_bus_t* const bus, void* const data, const size_t count);
void spi_ssp_transfer_gather(spi_bus_t* const bus, const spi_transfer_t* const transfers, const size_t count);
#endif/*__SPI_SSP_H__*/