101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
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/*
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* Copyright 2012 Michael Ossmann <mike@ossmann.com>
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* Copyright 2012 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 __SI5351C_H
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#define __SI5351C_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#include "i2c_bus.h"
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#define SI_INTDIV(x) (x*128-512)
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#define SI5351C_CLK_POWERDOWN (1<<7)
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#define SI5351C_CLK_INT_MODE (1<<6)
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#define SI5351C_CLK_FRAC_MODE (0<<6)
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#define SI5351C_CLK_PLL_SRC(x) (x<<5)
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#define SI5351C_CLK_PLL_SRC_A 0
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#define SI5351C_CLK_PLL_SRC_B 1
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#define SI5351C_CLK_INV (1<<4)
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#define SI5351C_CLK_SRC(x) (x<<2)
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#define SI5351C_CLK_SRC_XTAL 0
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#define SI5351C_CLK_SRC_CLKIN 1
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#define SI5351C_CLK_SRC_MULTISYNTH_0_4 2
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#define SI5351C_CLK_SRC_MULTISYNTH_SELF 3
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#define SI5351C_CLK_IDRV(x) (x<<0)
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#define SI5351C_CLK_IDRV_2MA 0
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#define SI5351C_CLK_IDRV_4MA 1
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#define SI5351C_CLK_IDRV_6MA 2
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#define SI5351C_CLK_IDRV_8MA 3
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#define SI5351C_LOS (1<<4)
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enum pll_sources {
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PLL_SOURCE_UNINITIALIZED = -1,
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PLL_SOURCE_XTAL = 0,
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PLL_SOURCE_CLKIN = 1,
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};
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typedef struct {
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i2c_bus_t* const bus;
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uint8_t i2c_address;
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} si5351c_driver_t;
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void si5351c_disable_all_outputs(si5351c_driver_t* const drv);
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void si5351c_disable_oeb_pin_control(si5351c_driver_t* const drv);
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void si5351c_power_down_all_clocks(si5351c_driver_t* const drv);
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void si5351c_set_crystal_configuration(si5351c_driver_t* const drv);
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void si5351c_enable_xo_and_ms_fanout(si5351c_driver_t* const drv);
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void si5351c_configure_pll_sources(si5351c_driver_t* const drv);
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void si5351c_configure_pll_multisynth(si5351c_driver_t* const drv);
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void si5351c_reset_pll(si5351c_driver_t* const drv);
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void si5351c_configure_multisynth(si5351c_driver_t* const drv,
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const uint_fast8_t ms_number,
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const uint32_t p1, const uint32_t p2, const uint32_t p3,
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const uint_fast8_t r_div);
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void si5351c_configure_clock_control(si5351c_driver_t* const drv, const enum pll_sources source);
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void si5351c_enable_clock_outputs(si5351c_driver_t* const drv);
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void si5351c_set_int_mode(si5351c_driver_t* const drv, const uint_fast8_t ms_number, const uint_fast8_t on);
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void si5351c_set_clock_source(si5351c_driver_t* const drv, const enum pll_sources source);
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bool si5351c_clkin_signal_valid(si5351c_driver_t* const drv);
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void si5351c_write_single(si5351c_driver_t* const drv, uint8_t reg, uint8_t val);
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uint8_t si5351c_read_single(si5351c_driver_t* const drv, uint8_t reg);
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void si5351c_write(si5351c_driver_t* const drv, const uint8_t* const data, const size_t data_count);
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void si5351c_clkout_enable(si5351c_driver_t* const drv, uint8_t enable);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SI5351C_H */
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