72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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/*
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* Copyright 2012 Michael Ossmann
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* Copyright 2014 Jared Boone <jared@sharebrained.com>
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*
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* This file is part of HackRF.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __RFFC5071_H
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#define __RFFC5071_H
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#include <stdint.h>
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#include "spi_bus.h"
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#include "gpio.h"
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/* 31 registers, each containing 16 bits of data. */
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#define RFFC5071_NUM_REGS 31
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typedef struct {
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spi_bus_t* const bus;
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gpio_t gpio_reset;
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uint16_t regs[RFFC5071_NUM_REGS];
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uint32_t regs_dirty;
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} rffc5071_driver_t;
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/* Initialize chip. Call _setup() externally, as it calls _init(). */
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extern void rffc5071_init(rffc5071_driver_t* const drv);
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extern void rffc5071_setup(rffc5071_driver_t* const drv);
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/* Read a register via SPI. Save a copy to memory and return
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* value. Discard any uncommited changes and mark CLEAN. */
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extern uint16_t rffc5071_reg_read(rffc5071_driver_t* const drv, uint8_t r);
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/* Write value to register via SPI and save a copy to memory. Mark
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* CLEAN. */
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extern void rffc5071_reg_write(rffc5071_driver_t* const drv, uint8_t r, uint16_t v);
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/* Write all dirty registers via SPI from memory. Mark all clean. Some
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* operations require registers to be written in a certain order. Use
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* provided routines for those operations. */
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extern void rffc5071_regs_commit(rffc5071_driver_t* const drv);
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/* Set frequency (MHz). */
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extern uint64_t rffc5071_set_frequency(rffc5071_driver_t* const drv, uint16_t mhz);
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/* Set up rx only, tx only, or full duplex. Chip should be disabled
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* before _tx, _rx, or _rxtx are called. */
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extern void rffc5071_tx(rffc5071_driver_t* const drv);
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extern void rffc5071_rx(rffc5071_driver_t* const drv);
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extern void rffc5071_rxtx(rffc5071_driver_t* const drv);
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extern void rffc5071_enable(rffc5071_driver_t* const drv);
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extern void rffc5071_disable(rffc5071_driver_t* const drv);
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extern void rffc5071_set_gpo(rffc5071_driver_t* const drv, uint8_t);
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#endif // __RFFC5071_H
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