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BMP581: Add Bosch BMP581 barometer (#23064)
* BMP581: Add Bosch BMP581 barometer * Copyright:fix copyright header year * style: not use pointers and Bool returns, Check the failed condition return * delay: Replace usleep() with ScheduleDelayed() * definitions: Delete unused definitions * comment: Delet redundant comments * constants: Change to uppercase * BMP581: run make format
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/****************************************************************************
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*
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* Copyright (c) 2024 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file bmp581_spi.cpp
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*
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* SPI interface for BMP 581 (NOTE: untested!)
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*/
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#include <drivers/device/spi.h>
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#include "bmp581.h"
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/* SPI protocol address bits */
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#define DIR_READ (1<<7) //for set
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#define DIR_WRITE ~(1<<7) //for clear
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class BMP581_SPI: public device::SPI, public IBMP581
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{
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public:
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BMP581_SPI(uint8_t bus, uint32_t device, int bus_frequency, spi_mode_e spi_mode);
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virtual ~BMP581_SPI() = default;
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int init();
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uint8_t get_reg(uint8_t addr);
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int get_reg_buf(uint8_t addr, uint8_t *buf, uint8_t len);
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int set_reg(uint8_t value, uint8_t addr);
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uint32_t get_device_id() const override { return device::SPI::get_device_id(); }
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uint8_t get_device_address() const override { return device::SPI::get_device_address(); }
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};
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IBMP581 *bmp581_spi_interface(uint8_t busnum, uint32_t device, int bus_frequency, spi_mode_e spi_mode)
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{
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return new BMP581_SPI(busnum, device, bus_frequency, spi_mode);
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}
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BMP581_SPI::BMP581_SPI(uint8_t bus, uint32_t device, int bus_frequency, spi_mode_e spi_mode) :
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SPI(DRV_BARO_DEVTYPE_BMP581, MODULE_NAME, bus, device, spi_mode, bus_frequency)
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{
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}
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int BMP581_SPI::init()
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{
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return SPI::init();
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}
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uint8_t BMP581_SPI::get_reg(uint8_t addr)
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{
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uint8_t cmd[2] = { (uint8_t)(addr | DIR_READ), 0}; //set MSB bit
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transfer(&cmd[0], &cmd[0], 2);
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return cmd[1];
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}
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int BMP581_SPI::get_reg_buf(uint8_t addr, uint8_t *buf, uint8_t len)
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{
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uint8_t cmd[len + 1] = {(uint8_t)(addr | DIR_READ)};
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int ret;
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ret = transfer(&cmd[0], &cmd[0], (len + 1));
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memcpy(buf, &cmd[1], len);
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return ret;
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}
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int BMP581_SPI::set_reg(uint8_t value, uint8_t addr)
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{
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uint8_t cmd[2] = { (uint8_t)(addr & DIR_WRITE), value}; //clear MSB bit
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return transfer(&cmd[0], nullptr, 2);
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}
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