84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/*
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* Copyright 2012 Michael Ossmann
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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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/* 31 registers, each containing 16 bits of data. */
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#define RFFC5071_NUM_REGS 31
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extern uint16_t rffc5071_regs[RFFC5071_NUM_REGS];
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extern uint32_t rffc5071_regs_dirty;
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#define RFFC5071_REG_SET_CLEAN(r) rffc5071_regs_dirty &= ~(1UL<<r)
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#define RFFC5071_REG_SET_DIRTY(r) rffc5071_regs_dirty |= (1UL<<r)
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#ifdef JAWBREAKER
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/*
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* RF switches on Jawbreaker are controlled by General Purpose Outputs (GPO) on
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* the RFFC5072.
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*/
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#define SWITCHCTRL_NO_TX_AMP_PWR (1 << 0) /* GPO1 turn off TX amp power */
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#define SWITCHCTRL_AMP_BYPASS (1 << 1) /* GPO2 bypass amp section */
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#define SWITCHCTRL_TX (1 << 2) /* GPO3 1 for TX mode, 0 for RX mode */
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#define SWITCHCTRL_MIX_BYPASS (1 << 3) /* GPO4 bypass RFFC5072 mixer section */
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#define SWITCHCTRL_HP (1 << 4) /* GPO5 1 for high-pass, 0 for low-pass */
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#define SWITCHCTRL_NO_RX_AMP_PWR (1 << 5) /* GPO6 turn off RX amp power */
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/*
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* Safe (initial) switch settings turn off both amplifiers and enable both amp
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* bypass and mixer bypass.
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*/
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#define SWITCHCTRL_SAFE (SWITCHCTRL_NO_TX_AMP_PWR | SWITCHCTRL_AMP_BYPASS | SWITCHCTRL_TX | SWITCHCTRL_MIX_BYPASS | SWITCHCTRL_HP | SWITCHCTRL_NO_RX_AMP_PWR)
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#endif
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/* Initialize chip. Call _setup() externally, as it calls _init(). */
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extern void rffc5071_init(void);
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extern void rffc5071_setup(void);
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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(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(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(void);
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/* Set frequency (MHz). */
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extern uint32_t rffc5071_set_frequency(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(uint8_t);
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extern void rffc5071_rx(uint8_t);
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extern void rffc5071_rxtx(void);
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extern void rffc5071_enable(void);
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extern void rffc5071_disable(void);
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extern void rffc5071_set_gpo(uint8_t);
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#endif // __RFFC5071_H
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