/* * Copyright 2012 Michael Ossmann * Copyright 2012 Jared Boone * * This file is part of HackRF. * * This program 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 2, or (at your option) * any later version. * * This program 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 this program; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #include "si5351c_drv.h" /* write to single register */ void si5351c_write_single(si5351c_driver_t* const drv, uint8_t reg, uint8_t val) { const uint8_t data_tx[] = { reg, val }; si5351c_write(drv, data_tx, 2); } /* read single register */ uint8_t si5351c_read_single(si5351c_driver_t* const drv, uint8_t reg) { const uint8_t data_tx[] = { reg }; uint8_t data_rx[] = { 0x00 }; i2c_bus_transfer(drv->bus, drv->i2c_address, data_tx, 1, data_rx, 1); return data_rx[0]; } /* * Write to one or more contiguous registers. data[0] should be the first * register number, one or more values follow. */ void si5351c_write(si5351c_driver_t* const drv, const uint8_t* const data, const size_t data_count) { i2c_bus_transfer(drv->bus, drv->i2c_address, data, data_count, NULL, 0); }