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si5351.h
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si5351.h
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/*
* Copyright (c) 2019-2020, Dmitry (DiSlord) [email protected]
* Based on TAKAHASHI Tomohiro (TTRFTECH) [email protected]
* All rights reserved.
*
* This 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 3, or (at your option)
* any later version.
*
* The software 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#define SI5351_REG_3_OUTPUT_ENABLE_CONTROL 3
#define SI5351_CLK0_EN (1<<0)
#define SI5351_CLK1_EN (1<<1)
#define SI5351_CLK2_EN (1<<2)
// Reg 16-18 CLKX_CONTROL
#define SI5351_REG_16_CLK0_CONTROL 16
#define SI5351_REG_17_CLK1_CONTROL 17
#define SI5351_REG_18_CLK2_CONTROL 18
#define SI5351_CLK_POWERDOWN (1<<7)
#define SI5351_CLK_INTEGER_MODE (1<<6)
#define SI5351_CLK_PLL_SELECT_A (0<<5)
#define SI5351_CLK_PLL_SELECT_B (1<<5)
#define SI5351_CLK_INVERT (1<<4)
#define SI5351_CLK_INPUT_MASK (3<<2)
#define SI5351_CLK_INPUT_XTAL (0<<2)
#define SI5351_CLK_INPUT_CLKIN (1<<2)
#define SI5351_CLK_INPUT_MULTISYNTH_0_4 (2<<2)
#define SI5351_CLK_INPUT_MULTISYNTH_N (3<<2)
#define SI5351_CLK_DRIVE_STRENGTH_MASK (3<<0)
#define SI5351_CLK_DRIVE_STRENGTH_2MA (0<<0)
#define SI5351_CLK_DRIVE_STRENGTH_4MA (1<<0)
#define SI5351_CLK_DRIVE_STRENGTH_6MA (2<<0)
#define SI5351_CLK_DRIVE_STRENGTH_8MA (3<<0)
#define SI5351_CLK_DRIVE_STRENGTH_AUTO 0xFF
#define SI5351_REG_PLL_A 26
#define SI5351_REG_PLL_B 34
#define SI5351_REG_42_MULTISYNTH0 42
#define SI5351_REG_50_MULTISYNTH1 50
#define SI5351_REG_58_MULTISYNTH2 58
#define SI5351_DIVBY4 (3<<2)
#define SI5351_R_DIV_1 (0<<4)
#define SI5351_R_DIV_2 (1<<4)
#define SI5351_R_DIV_4 (2<<4)
#define SI5351_R_DIV_8 (3<<4)
#define SI5351_R_DIV_16 (4<<4)
#define SI5351_R_DIV_32 (5<<4)
#define SI5351_R_DIV_64 (6<<4)
#define SI5351_R_DIV_128 (7<<4)
#define SI5351_R_DIV(n) ((n)<<4)
#define SI5351_REG_177_PLL_RESET 177
#define SI5351_PLL_RESET_B (1<<7)
#define SI5351_PLL_RESET_A (1<<5)
#define SI5351_REG_183_CRYSTAL_LOAD 183
#define SI5351_CRYSTAL_LOAD__PF (0<<6)
#define SI5351_CRYSTAL_LOAD_6PF (1<<6)
#define SI5351_CRYSTAL_LOAD_8PF (2<<6)
#define SI5351_CRYSTAL_LOAD_10PF (3<<6)
void si5351_init(void);
void si5351_disable_output(void);
void si5351_enable_output(void);
void si5351_set_frequency_offset(int32_t offset);
int si5351_set_frequency(uint32_t freq, uint8_t drive_strength);
void si5351_set_power(uint8_t drive_strength);
void si5351_set_band_mode(uint16_t t);
// Defug use functions
void si5351_bulk_write(const uint8_t *buf, int len);
void si5351_set_timing(int i, int v);
void si5351_update_band_config(int idx, uint32_t pidx, uint32_t v);
void si5351_set_tcxo(uint32_t xtal);
// Get info functions
uint32_t si5351_get_frequency(void);
uint32_t si5351_get_harmonic_lvl(uint32_t f);