1 /*
2  * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
3  *
4  * This file is part of HackRF.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; see the file COPYING.  If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef __SPI_SSP_H__
23 #define __SPI_SSP_H__
24 
25 #include <stdint.h>
26 #include <stddef.h>
27 
28 #include "spi_bus.h"
29 
30 #include "gpio.h"
31 
32 #include <libopencm3/lpc43xx/ssp.h>
33 
34 typedef struct ssp_config_t {
35 	ssp_datasize_t data_bits;
36 	uint8_t serial_clock_rate;
37 	uint8_t clock_prescale_rate;
38 	gpio_t gpio_select;
39 } ssp_config_t;
40 
41 void spi_ssp_start(spi_bus_t* const bus, const void* const config);
42 void spi_ssp_stop(spi_bus_t* const bus);
43 void spi_ssp_transfer(spi_bus_t* const bus, void* const data, const size_t count);
44 void spi_ssp_transfer_gather(spi_bus_t* const bus, const spi_transfer_t* const transfers, const size_t count);
45 
46 #endif/*__SPI_SSP_H__*/
47