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/*
* Copyright 2012 Michael Ossmann
* Copyright 2014 Jared Boone <jared@sharebrained.com>
*
* 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 __RFFC5071_H
#define __RFFC5071_H
#include <stdint.h>
#include "spi_bus.h"
#include "gpio.h"
/* 31 registers, each containing 16 bits of data. */
#define RFFC5071_NUM_REGS 31
typedef struct {
spi_bus_t* const bus;
gpio_t gpio_reset;
uint16_t regs[RFFC5071_NUM_REGS];
uint32_t regs_dirty;
} rffc5071_driver_t;
/* Initialize chip. Call _setup() externally, as it calls _init(). */
extern void rffc5071_init(rffc5071_driver_t* const drv);
extern void rffc5071_setup(rffc5071_driver_t* const drv);
/* Read a register via SPI. Save a copy to memory and return
* value. Discard any uncommited changes and mark CLEAN. */
extern uint16_t rffc5071_reg_read(rffc5071_driver_t* const drv, uint8_t r);
/* Write value to register via SPI and save a copy to memory. Mark
* CLEAN. */
extern void rffc5071_reg_write(rffc5071_driver_t* const drv, uint8_t r, uint16_t v);
/* Write all dirty registers via SPI from memory. Mark all clean. Some
* operations require registers to be written in a certain order. Use
* provided routines for those operations. */
extern void rffc5071_regs_commit(rffc5071_driver_t* const drv);
/* Set frequency (MHz). */
extern uint64_t rffc5071_set_frequency(rffc5071_driver_t* const drv, uint16_t mhz);
/* Set up rx only, tx only, or full duplex. Chip should be disabled
* before _tx, _rx, or _rxtx are called. */
extern void rffc5071_tx(rffc5071_driver_t* const drv);
extern void rffc5071_rx(rffc5071_driver_t* const drv);
extern void rffc5071_rxtx(rffc5071_driver_t* const drv);
extern void rffc5071_enable(rffc5071_driver_t* const drv);
extern void rffc5071_disable(rffc5071_driver_t* const drv);
extern void rffc5071_set_gpo(rffc5071_driver_t* const drv, uint8_t);
#endif // __RFFC5071_H
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