105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/*
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* Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
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* Copyright 2012 Will Code <willcode4@gmail.com>
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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 __MAX283x_H
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#define __MAX283x_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include "gpio.h"
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#include "gpio_lpc.h"
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#include "max2837.h"
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#include "max2837_target.h"
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#include "max2839.h"
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#include "max2839_target.h"
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#include "spi_bus.h"
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typedef enum {
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MAX283x_MODE_SHUTDOWN,
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MAX283x_MODE_STANDBY,
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MAX283x_MODE_TX,
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MAX283x_MODE_RX,
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MAX283x_MODE_RX_CAL,
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MAX283x_MODE_TX_CAL,
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MAX283x_MODE_CLKOUT,
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} max283x_mode_t;
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typedef enum {
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MAX2837_VARIANT,
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MAX2839_VARIANT,
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} max283x_variant_t;
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typedef struct {
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max283x_variant_t type;
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union {
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max2837_driver_t max2837;
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max2839_driver_t max2839;
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} drv;
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} max283x_driver_t;
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/* Initialize chip. */
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void max283x_setup(max283x_driver_t* const drv, max283x_variant_t type);
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/* Read a register via SPI. Save a copy to memory and return
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* value. Mark clean. */
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uint16_t max283x_reg_read(max283x_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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void max283x_reg_write(max283x_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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void max283x_regs_commit(max283x_driver_t* const drv);
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//max283x_mode_t max283x_mode(max283x_driver_t* const drv);
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//void max283x_set_mode(max283x_driver_t* const drv, const max283x_mode_t new_mode);
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max283x_mode_t max283x_mode(max283x_driver_t* const drv);
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void max283x_set_mode(max283x_driver_t* const drv, const max283x_mode_t new_mode);
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/* Turn on/off all chip functions. Does not control oscillator and CLKOUT */
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void max283x_start(max283x_driver_t* const drv);
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void max283x_stop(max283x_driver_t* const drv);
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/* Set frequency in Hz. Frequency setting is a multi-step function
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* where order of register writes matters. */
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void max283x_set_frequency(max283x_driver_t* const drv, uint32_t freq);
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uint32_t max283x_set_lpf_bandwidth(
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max283x_driver_t* const drv,
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const uint32_t bandwidth_hz);
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bool max283x_set_lna_gain(max283x_driver_t* const drv, const uint32_t gain_db);
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bool max283x_set_vga_gain(max283x_driver_t* const drv, const uint32_t gain_db);
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bool max283x_set_txvga_gain(max283x_driver_t* const drv, const uint32_t gain_db);
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void max283x_tx(max283x_driver_t* const drv);
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void max283x_rx(max283x_driver_t* const drv);
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#endif // __MAX283x_H
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