Infineon DPS310 Barometer

- used as the primary barometer on the mRo Control Zero F7
This commit is contained in:
Daniel Agar
2019-08-14 13:24:52 -04:00
parent fd72e5e795
commit 9b66cbd2d9
11 changed files with 974 additions and 2 deletions

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@@ -19,7 +19,7 @@ px4_add_board(
DRIVERS
adc
#barometer # all available barometer drivers
#barometer/dps310
barometer/dps310
batt_smbus
camera_capture
camera_trigger

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@@ -18,7 +18,7 @@ bmi088 -A -R 10 start
bmi088 -G -R 10 start
# Interal DPS310 (barometer)
dps310 start
dps310 -s start
# Possible external compasses
ist8310 -C -b 1 start

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@@ -33,6 +33,7 @@
add_subdirectory(bmp280)
add_subdirectory(bmp388)
add_subdirectory(dps310)
add_subdirectory(lps22hb)
#add_subdirectory(lps25h) # not ready for general inclusion
#add_subdirectory(mpl3115a2) # not ready for general inclusion

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@@ -0,0 +1,45 @@
############################################################################
#
# Copyright (c) 2019 PX4 Development Team. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name PX4 nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
px4_add_module(
MODULE drivers__barometer__dps310
MAIN dps310
SRCS
DPS310.cpp
DPS310.hpp
DPS310_I2C.cpp
DPS310_SPI.cpp
dps310_main.cpp
DEPENDS
drivers_barometer
px4_work_queue
)

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@@ -0,0 +1,298 @@
/****************************************************************************
*
* Copyright (c) 2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#include "DPS310.hpp"
using namespace Infineon_DPS310;
namespace dps310
{
template<typename T>
static void getTwosComplement(T &raw, uint8_t length)
{
if (raw & ((T)1 << (length - 1))) {
raw -= (T)1 << length;
}
}
DPS310::DPS310(device::Device *interface) :
ScheduledWorkItem(MODULE_NAME, px4::device_bus_to_wq(interface->get_device_id())),
_px4_barometer(interface->get_device_id()),
_interface(interface),
_sample_perf(perf_alloc(PC_ELAPSED, MODULE_NAME": read")),
_comms_errors(perf_alloc(PC_COUNT, MODULE_NAME": comm errors"))
{
_px4_barometer.set_device_type(DRV_DEVTYPE_DPS310);
}
DPS310::~DPS310()
{
stop();
perf_free(_sample_perf);
perf_free(_comms_errors);
delete _interface;
}
int
DPS310::init()
{
if (RegisterRead(Register::ID) != Infineon_DPS310::REV_AND_PROD_ID) {
PX4_ERR("Product_ID mismatch");
return PX4_ERROR;
}
if (reset() != OK) {
PX4_DEBUG("reset failed");
return PX4_ERROR;
}
start();
return PX4_OK;
}
int
DPS310::reset()
{
// Soft Reset
RegisterSetBits(Register::RESET, RESET_BIT::SOFT_RST);
usleep(40000); // 40 milliseconds
const uint8_t mode_and_status = RegisterRead(Register::MEAS_CFG);
bool coefficients_ready = mode_and_status & MEAS_CFG_BIT::COEF_RDY;
bool sensor_ready = mode_and_status & MEAS_CFG_BIT::SENSOR_RDY;
if (!coefficients_ready) {
PX4_ERR("Coefficients are not available");
return PX4_ERROR;
}
if (!sensor_ready) {
PX4_ERR("Sensor initialization not complete");
return PX4_ERROR;
}
// 1. Read the pressure calibration coefficients (c00, c10, c20, c30, c01, c11, and c21) from the Calibration Coefficient register.
// Note: The coefficients read from the coefficient register are 2's complement numbers.
uint8_t coef[18] {};
if (_interface->read((uint8_t)Register::COEF, coef, 18)) {
return PX4_ERROR;
}
// first element of coef[18] corresponds to register 0x10
// 0x11 c0 [3:0] + 0x10 c0 [11:4]
_calibration.c0 = ((uint32_t)coef[0] << 4) | (((uint32_t)coef[1] >> 4) & 0x0F);
getTwosComplement(_calibration.c0, 12);
// 0x11 c1 [11:8] + 0x12 c1 [7:0]
_calibration.c1 = (((uint32_t)coef[1] & 0x0F) << 8) | (uint32_t)coef[2];
getTwosComplement(_calibration.c1, 12);
// 0x13 c00 [19:12] + 0x14 c00 [11:4] + 0x15 c00 [3:0]
_calibration.c00 = ((uint32_t)coef[3] << 12) | ((uint32_t)coef[4] << 4) | (((uint32_t)coef[5] >> 4) & 0x0F);
getTwosComplement(_calibration.c00, 20);
// 0x15 c10 [19:16] + 0x16 c10 [15:8] + 0x17 c10 [7:0]
_calibration.c10 = (((uint32_t)coef[5] & 0x0F) << 16) | ((uint32_t)coef[6] << 8) | (uint32_t)coef[7];
getTwosComplement(_calibration.c10, 20);
// 0x18 c01 [15:8] + 0x19 c01 [7:0]
_calibration.c01 = ((uint32_t)coef[8] << 8) | (uint32_t)coef[9];
getTwosComplement(_calibration.c01, 16);
// 0x1A c11 [15:8] + 0x1B c11 [7:0]
_calibration.c11 = ((uint32_t)coef[8] << 8) | (uint32_t)coef[9];
getTwosComplement(_calibration.c11, 16);
// 0x1C c20 [15:8] + 0x1D c20 [7:0]
_calibration.c20 = ((uint32_t)coef[12] << 8) | (uint32_t)coef[13];
getTwosComplement(_calibration.c20, 16);
// 0x1E c21 [15:8] + 0x1F c21 [7:0]
_calibration.c21 = ((uint32_t)coef[14] << 8) | (uint32_t)coef[15];
getTwosComplement(_calibration.c21, 16);
// 0x20 c30 [15:8] + 0x21 c30 [7:0]
_calibration.c30 = ((uint32_t)coef[16] << 8) | (uint32_t)coef[17];
getTwosComplement(_calibration.c30, 16);
// PRS_CFG: pressure measurement rate (32 Hz) and oversampling (16 time standard)
RegisterSetBits(Register::PRS_CFG, PRS_CFG_BIT::PM_RATE_32HZ | PRS_CFG_BIT::PM_PRC_16);
// TMP_CFG: temperature measurement rate (32 Hz) and oversampling (16 times)
const uint8_t TMP_COEF_SRCE = RegisterRead(Register::COEF_SRCE) & COEF_SRCE_BIT::TMP_COEF_SRCE;
RegisterSetBits(Register::TMP_CFG, TMP_CFG_BIT::TMP_RATE_32HZ | TMP_CFG_BIT::TMP_PRC_16 | TMP_COEF_SRCE);
// CFG_REG: set pressure and temperature result bit-shift (required when the oversampling rate is >8 times)
RegisterSetBits(Register::CFG_REG, CFG_REG_BIT::T_SHIFT | CFG_REG_BIT::P_SHIFT);
// MEAS_CFG: Continous pressure and temperature measurement
RegisterSetBits(Register::MEAS_CFG, MEAS_CFG_BIT::MEAS_CTRL_CONT);
return PX4_OK;
}
void
DPS310::start()
{
// run at twice the sample rate to capture all new data
ScheduleOnInterval(1000000 / SAMPLE_RATE / 2);
}
void
DPS310::stop()
{
ScheduleClear();
}
void
DPS310::Run()
{
perf_begin(_sample_perf);
// check if pressure ready
bool pressure_ready = RegisterRead(Register::MEAS_CFG) & MEAS_CFG_BIT::PRS_RDY;
if (!pressure_ready) {
perf_end(_sample_perf);
return;
}
// 2. Choose scaling factors kT (for temperature) and kP (for pressure) based on the chosen precision rate. The scaling factors are listed in Table 9.
static constexpr float kT = 253952; // 16 times (Standard)
static constexpr float kP = 253952; // 16 times (Standard)
// 3. Read the pressure and temperature result from the registers
// Read PSR_B2, PSR_B1, PSR_B0, TMP_B2, TMP_B1, TMP_B0
uint8_t buf[6] {};
const hrt_abstime timestamp_sample = hrt_absolute_time();
if (_interface->read((uint8_t)Register::PSR_B2, buf, 6) != PX4_OK) {
perf_count(_comms_errors);
perf_end(_sample_perf);
return;
}
int32_t Praw = (buf[0] << 16) + (buf[1] << 8) + buf[2];
getTwosComplement(Praw, 24);
int32_t Traw = (buf[3] << 16) + (buf[4] << 8) + buf[5];
getTwosComplement(Traw, 24);
// 4. Calculate scaled measurement results.
const float Praw_sc = Praw / kP;
const float Traw_sc = Traw / kT;
// 5. Calculate compensated measurement results.
const auto &c00 = _calibration.c00;
const auto &c01 = _calibration.c01;
const auto &c10 = _calibration.c10;
const auto &c11 = _calibration.c11;
const auto &c20 = _calibration.c20;
const auto &c21 = _calibration.c21;
const auto &c30 = _calibration.c30;
const float Pcomp = c00 + Praw_sc * (c10 + Praw_sc * (c20 + Praw_sc * c30)) + Traw_sc * c01 + Traw_sc * Praw_sc *
(c11 + Praw_sc * c21);
const auto &c0 = _calibration.c0;
const auto &c1 = _calibration.c1;
const float Tcomp = c0 * 0.5f + c1 * Traw_sc;
_px4_barometer.set_error_count(perf_event_count(_comms_errors));
_px4_barometer.set_temperature(Tcomp);
_px4_barometer.update(timestamp_sample, Pcomp / 100.0f); // Pascals -> Millibar
perf_end(_sample_perf);
}
uint8_t
DPS310::RegisterRead(Register reg)
{
uint8_t buf{};
_interface->read((uint8_t)reg, &buf, 1);
return buf;
}
void
DPS310::RegisterWrite(Register reg, uint8_t value)
{
_interface->write((uint8_t)reg, &value, 1);
}
void
DPS310::RegisterSetBits(Register reg, uint8_t setbits)
{
uint8_t val = RegisterRead(reg);
if (!(val & setbits)) {
val |= setbits;
RegisterWrite(reg, val);
}
}
void
DPS310::RegisterClearBits(Register reg, uint8_t clearbits)
{
uint8_t val = RegisterRead(reg);
if (val & clearbits) {
val &= !clearbits;
RegisterWrite(reg, val);
}
}
void
DPS310::print_info()
{
perf_print_counter(_sample_perf);
perf_print_counter(_comms_errors);
_px4_barometer.print_status();
}
} // namespace dps310

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@@ -0,0 +1,90 @@
/****************************************************************************
*
* Copyright (c) 2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file DPS310.cpp
*
* Driver for the Infineon DPS310 barometer connected via I2C or SPI.
*/
#pragma once
#include <drivers/device/Device.hpp>
#include <lib/drivers/barometer/PX4Barometer.hpp>
#include <lib/perf/perf_counter.h>
#include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp>
#include "Infineon_DPS310_Registers.hpp"
namespace dps310
{
using Infineon_DPS310::CalibrationCoefficients;
using Infineon_DPS310::Register;
class DPS310 : public px4::ScheduledWorkItem
{
public:
DPS310(device::Device *interface);
virtual ~DPS310();
int init();
void print_info();
private:
void Run() override;
void start();
void stop();
int reset();
uint8_t RegisterRead(Register reg);
void RegisterWrite(Register reg, uint8_t val);
void RegisterSetBits(Register reg, uint8_t setbits);
void RegisterClearBits(Register reg, uint8_t clearbits);
static constexpr uint32_t SAMPLE_RATE{32}; //
PX4Barometer _px4_barometer;
device::Device *_interface;
CalibrationCoefficients _calibration{};
perf_counter_t _sample_perf;
perf_counter_t _comms_errors;
};
} // namespace dps310

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/****************************************************************************
*
* Copyright (c) 2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file DPS310_I2C.cpp
*
* I2C interface for DPS310
*/
#include <lib/drivers/device/i2c.h>
namespace dps310
{
device::Device *DPS310_I2C_interface(uint8_t bus, uint32_t address);
class DPS310_I2C : public device::I2C
{
public:
DPS310_I2C(uint8_t bus, uint32_t address);
virtual ~DPS310_I2C() = default;
virtual int read(unsigned address, void *data, unsigned count);
virtual int write(unsigned address, void *data, unsigned count);
};
device::Device *
DPS310_I2C_interface(uint8_t bus, uint32_t address)
{
return new DPS310_I2C(bus, address);
}
DPS310_I2C::DPS310_I2C(uint8_t bus, uint32_t address) :
I2C("DPS310_I2C", nullptr, bus, address, 400000)
{
}
int
DPS310_I2C::read(unsigned address, void *data, unsigned count)
{
uint8_t cmd = address;
return transfer(&cmd, 1, (uint8_t *)data, count);
}
int
DPS310_I2C::write(unsigned address, void *data, unsigned count)
{
uint8_t buf[32];
if (sizeof(buf) < (count + 1)) {
return -EIO;
}
buf[0] = address;
memcpy(&buf[1], data, count);
return transfer(&buf[0], count + 1, nullptr, 0);
}
} // namespace dps310

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/****************************************************************************
*
* Copyright (c) 2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file DPS310_SPI.cpp
*
* SPI interface for DPS310
*/
#include <lib/drivers/device/spi.h>
namespace dps310
{
/* SPI protocol address bits */
#define DIR_READ (1<<7)
#define DIR_WRITE (0<<7)
device::Device *DPS310_SPI_interface(uint8_t bus, uint32_t device);
class DPS310_SPI : public device::SPI
{
public:
DPS310_SPI(uint8_t bus, uint32_t device);
virtual ~DPS310_SPI() = default;
virtual int read(unsigned address, void *data, unsigned count);
virtual int write(unsigned address, void *data, unsigned count);
};
device::Device *
DPS310_SPI_interface(uint8_t bus, uint32_t device)
{
return new DPS310_SPI(bus, device);
}
DPS310_SPI::DPS310_SPI(uint8_t bus, uint32_t device) :
SPI("DPS310_SPI", nullptr, bus, device, SPIDEV_MODE3, 10 * 1000 * 1000)
{
}
int
DPS310_SPI::read(unsigned address, void *data, unsigned count)
{
uint8_t buf[32];
if (sizeof(buf) < (count + 1)) {
return -EIO;
}
buf[0] = address | DIR_READ;
int ret = transfer(&buf[0], &buf[0], count + 1);
memcpy(data, &buf[1], count);
return ret;
}
int
DPS310_SPI::write(unsigned address, void *data, unsigned count)
{
uint8_t buf[32];
if (sizeof(buf) < (count + 1)) {
return -EIO;
}
buf[0] = address | DIR_WRITE;
memcpy(&buf[1], data, count);
return transfer(&buf[0], &buf[0], count + 1);
}
} // namespace dps310

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/****************************************************************************
*
* Copyright (c) 2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#pragma once
// TODO: move to a central header
static constexpr uint8_t Bit0 = (1 << 0);
static constexpr uint8_t Bit1 = (1 << 1);
static constexpr uint8_t Bit2 = (1 << 2);
static constexpr uint8_t Bit3 = (1 << 3);
static constexpr uint8_t Bit4 = (1 << 4);
static constexpr uint8_t Bit5 = (1 << 5);
static constexpr uint8_t Bit6 = (1 << 6);
static constexpr uint8_t Bit7 = (1 << 7);
namespace Infineon_DPS310
{
static constexpr uint8_t REV_AND_PROD_ID = 0x10;
enum class
Register : uint8_t {
PSR_B2 = 0x00,
PSR_B1 = 0x01,
PSR_B0 = 0x02,
TMP_B2 = 0x03,
TMP_B1 = 0x04,
TMP_B0 = 0x05,
PRS_CFG = 0x06,
TMP_CFG = 0x07,
MEAS_CFG = 0x08,
CFG_REG = 0x09,
RESET = 0x0C,
ID = 0x0D,
COEF = 0x10,
// c0 = 0x10
// .
// c30 = 0x21
COEF_SRCE = 0x28,
};
enum PRS_CFG_BIT : uint8_t {
PM_RATE_32HZ = Bit6 | Bit4, // 101 - 32 measurements pr. sec.
PM_PRC_16 = Bit2, // 0100 - 16 times (Standard).
};
enum TMP_CFG_BIT : uint8_t {
TMP_EXT = Bit7,
TMP_RATE_32HZ = Bit6 | Bit4, // 101 - 32 measurements pr. sec.
TMP_PRC_16 = Bit2, // 0100 - 16 times.
};
enum CFG_REG_BIT : uint8_t {
T_SHIFT = Bit3,
P_SHIFT = Bit2,
};
enum MEAS_CFG_BIT : uint8_t {
COEF_RDY = Bit7,
SENSOR_RDY = Bit6,
TMP_RDY = Bit5,
PRS_RDY = Bit4,
MEAS_CTRL_CONT = Bit2 | Bit1 | Bit0, // 111 - Continous pressure and temperature measurement
};
enum RESET_BIT : uint8_t {
SOFT_RST = Bit3 | Bit0, // Write '1001' to generate a soft reset
};
enum COEF_SRCE_BIT : uint8_t {
TMP_COEF_SRCE = Bit7, // TMP_COEF_SRCE
};
struct CalibrationCoefficients {
int16_t c0; // 12bit
int16_t c1; // 12bit
int32_t c00; // 20bit
int32_t c10; // 20bit
int16_t c01; // 16bit
int16_t c11; // 16bit
int16_t c20; // 16bit
int16_t c21; // 16bit
int16_t c30; // 16bit
};
} // namespace Infineon_DPS310

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/****************************************************************************
*
* Copyright (c) 2019 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#include "DPS310.hpp"
#include <px4_platform_common/getopt.h>
namespace dps310
{
enum class DPS310_BUS {
ALL = 0,
I2C_INTERNAL,
I2C_EXTERNAL,
SPI_INTERNAL,
SPI_EXTERNAL
};
extern device::Device *DPS310_SPI_interface(uint8_t bus, uint32_t device);
extern device::Device *DPS310_I2C_interface(uint8_t bus, uint32_t device);
typedef device::Device *(*DPS310_constructor)(uint8_t, uint32_t);
struct dps310_bus_option {
DPS310_BUS busid;
DPS310_constructor interface_constructor;
uint8_t busnum;
uint32_t address;
DPS310 *dev;
} bus_options[] = {
#if defined(PX4_SPI_BUS_2) && defined(PX4_SPIDEV_BARO)
{ DPS310_BUS::SPI_INTERNAL, &DPS310_SPI_interface, PX4_SPI_BUS_2, PX4_SPIDEV_BARO, nullptr },
#endif
#if defined(PX4_I2C_BUS_EXPANSION) && defined(PX4_I2C_OBDEV_DPS310)
{ DPS310_BUS::I2C_EXTERNAL, &DPS310_I2C_interface, PX4_I2C_BUS_EXPANSION, PX4_I2C_OBDEV_DPS310, nullptr },
#endif
};
// find a bus structure for a busid
static dps310_bus_option *find_bus(DPS310_BUS busid)
{
for (dps310_bus_option &bus_option : bus_options) {
if ((busid == DPS310_BUS::ALL ||
busid == bus_option.busid) && bus_option.dev != nullptr) {
return &bus_option;
}
}
return nullptr;
}
static bool start_bus(dps310_bus_option &bus)
{
device::Device *interface = bus.interface_constructor(bus.busnum, bus.address);
if ((interface == nullptr) || (interface->init() != PX4_OK)) {
PX4_WARN("no device on bus %u", (unsigned)bus.busid);
delete interface;
return false;
}
DPS310 *dev = new DPS310(interface);
if (dev == nullptr || dev->init() != PX4_OK) {
PX4_ERR("driver start failed");
delete dev;
return false;
}
bus.dev = dev;
return true;
}
static int start(DPS310_BUS busid)
{
for (dps310_bus_option &bus_option : bus_options) {
if (bus_option.dev != nullptr) {
// this device is already started
PX4_WARN("already started");
continue;
}
if (busid != DPS310_BUS::ALL && bus_option.busid != busid) {
// not the one that is asked for
continue;
}
if (start_bus(bus_option)) {
return PX4_OK;
}
}
return PX4_ERROR;
}
static int stop(DPS310_BUS busid)
{
dps310_bus_option *bus = find_bus(busid);
if (bus != nullptr && bus->dev != nullptr) {
delete bus->dev;
bus->dev = nullptr;
} else {
PX4_WARN("driver not running");
return PX4_ERROR;
}
return PX4_OK;
}
static int status(DPS310_BUS busid)
{
dps310_bus_option *bus = find_bus(busid);
if (bus != nullptr && bus->dev != nullptr) {
bus->dev->print_info();
return PX4_OK;
}
PX4_WARN("driver not running");
return PX4_ERROR;
}
static int usage()
{
PX4_INFO("missing command: try 'start', 'stop', 'status'");
PX4_INFO("options:");
PX4_INFO(" -X (i2c external bus)");
PX4_INFO(" -I (i2c internal bus)");
PX4_INFO(" -s (spi internal bus)");
PX4_INFO(" -S (spi external bus)");
return 0;
}
} // namespace dsp310
extern "C" int dps310_main(int argc, char *argv[])
{
int myoptind = 1;
int ch;
const char *myoptarg = nullptr;
using namespace dps310;
DPS310_BUS busid = DPS310_BUS::ALL;
while ((ch = px4_getopt(argc, argv, "XISs", &myoptind, &myoptarg)) != EOF) {
switch (ch) {
case 'X':
busid = DPS310_BUS::I2C_EXTERNAL;
break;
case 'I':
busid = DPS310_BUS::I2C_INTERNAL;
break;
case 'S':
busid = DPS310_BUS::SPI_EXTERNAL;
break;
case 's':
busid = DPS310_BUS::SPI_INTERNAL;
break;
default:
return usage();
}
}
if (myoptind >= argc) {
return usage();
}
const char *verb = argv[myoptind];
if (!strcmp(verb, "start")) {
return start(busid);
} else if (!strcmp(verb, "stop")) {
return stop(busid);
} else if (!strcmp(verb, "status")) {
return status(busid);
}
return usage();
}

View File

@@ -116,6 +116,7 @@
#define DRV_BARO_DEVTYPE_BAROSIM 0x65
#define DRV_DEVTYPE_BMI088 0x66
#define DRV_DEVTYPE_BMP388 0x67
#define DRV_DEVTYPE_DPS310 0x68
/*
* ioctl() definitions