InvenSense ICM-42688-P IMU driver

This is a new InvenSense sensor with max output data rate of 32 kHz (both accel & gyro), on board anti-aliasing filter, optional higher resolution output (18 bit accel, 19 bit gyro), and clock sync.
This commit is contained in:
Daniel Agar
2020-03-20 13:01:02 -04:00
committed by GitHub
parent 240aad1aef
commit 46e5364580
10 changed files with 1299 additions and 10 deletions
+2 -1
View File
@@ -25,7 +25,8 @@ px4_add_board(
dshot dshot
gps gps
imu/bmi088 imu/bmi088
# TODO imu/icm42688 imu/invensense/icm20602
imu/invensense/icm42688p
imu/mpu6000 imu/mpu6000
irlock irlock
lights/blinkm lights/blinkm
+1 -1
View File
@@ -13,7 +13,7 @@ voxlpm -X -b 3 -T P5VDC start
mpu6000 -R 6 -s -T 20602 start mpu6000 -R 6 -s -T 20602 start
# Internal SPI bus ICM-42688 # Internal SPI bus ICM-42688
# TODO icm42688p -R 12 start
# Internal SPI bus BMI088 accel # Internal SPI bus BMI088 accel
bmi088 -A -R 4 start bmi088 -A -R 4 start
+5 -6
View File
@@ -135,8 +135,8 @@
#define GPIO_SPI2_nCS1_ICM_42688 /* PH5 */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTH|GPIO_PIN5) #define GPIO_SPI2_nCS1_ICM_42688 /* PH5 */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTH|GPIO_PIN5)
/* Define the SPI2 Data Ready interrupts */ /* Define the SPI2 Data Ready interrupts */
#define GPIO_SPI2_DRDY1_ICM_42688 /* PH12 */ (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTH|GPIO_PIN12) // IMU_2_INT -> PH12
#define GPIO_SPI2_DRDY1_ICM_42688 /* PH12 */ (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTH|GPIO_PIN12) #define GPIO_SPI2_DRDY2_ICM_42688 /* PA0 */ (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTA|GPIO_PIN0) // IMU_2_FSYNC <- PA0/TIM5_CH1
/* SPI2 off */ /* SPI2 off */
@@ -144,8 +144,6 @@
#define GPIO_SPI2_MISO_OFF _PIN_OFF(GPIO_SPI2_MISO) #define GPIO_SPI2_MISO_OFF _PIN_OFF(GPIO_SPI2_MISO)
#define GPIO_SPI2_MOSI_OFF _PIN_OFF(GPIO_SPI2_MOSI) #define GPIO_SPI2_MOSI_OFF _PIN_OFF(GPIO_SPI2_MOSI)
#define GPIO_DRDY_OFF_SPI2_DRDY1_ICM_42688 _PIN_OFF(GPIO_SPI2_DRDY1_ICM_42688)
/* SPI 5 CS */ /* SPI 5 CS */
#define GPIO_SPI5_nCS1_FRAM /* PG7 */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTG|GPIO_PIN7) #define GPIO_SPI5_nCS1_FRAM /* PG7 */ (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_2MHz|GPIO_OUTPUT_SET|GPIO_PORTG|GPIO_PIN7)
@@ -162,7 +160,8 @@
/* Define the SPI6 Data Ready interrupts */ /* Define the SPI6 Data Ready interrupts */
#define GPIO_DRDY_OFF_SPI6_DRDY1_BMI088 _PIN_OFF(GPIO_SPI6_DRDY1_BMI088_INT1_ACCEL)#define GPIO_DRDY_OFF_SPI6_DRDY2_BMI088 _PIN_OFF(GPIO_SPI6_DRDY2_BMI088_INT3_GYRO) #define GPIO_DRDY_OFF_SPI6_DRDY1_BMI088 _PIN_OFF(GPIO_SPI6_DRDY1_BMI088_INT1_ACCEL)
#define GPIO_DRDY_OFF_SPI6_DRDY2_BMI088 _PIN_OFF(GPIO_SPI6_DRDY2_BMI088_INT3_GYRO)
/* SPI6 off */ /* SPI6 off */
@@ -186,7 +185,7 @@
#define PX4_SPIDEV_ICM_20602 PX4_MK_SPI_SEL(0,DRV_IMU_DEVTYPE_ICM20602) #define PX4_SPIDEV_ICM_20602 PX4_MK_SPI_SEL(0,DRV_IMU_DEVTYPE_ICM20602)
#define PX4_SENSORS1_BUS_CS_GPIO {GPIO_SPI1_nCS1_ICM20602} #define PX4_SENSORS1_BUS_CS_GPIO {GPIO_SPI1_nCS1_ICM20602}
#define PX4_SPIDEV_ICM_42688 PX4_MK_SPI_SEL(0,DRV_DEVTYPE_UNUSED) #define PX4_SPIDEV_ICM_42688 PX4_MK_SPI_SEL(0,DRV_IMU_DEVTYPE_ICM42688P)
#define PX4_SENSORS2_BUS_CS_GPIO {GPIO_SPI2_nCS1_ICM_42688} #define PX4_SENSORS2_BUS_CS_GPIO {GPIO_SPI2_nCS1_ICM_42688}
#define PX4_SPIDEV_MEMORY SPIDEV_FLASH(0) #define PX4_SPIDEV_MEMORY SPIDEV_FLASH(0)
+1 -2
View File
@@ -40,8 +40,7 @@ constexpr px4_spi_bus_t px4_spi_buses[SPI_BUS_MAX_BUS_ITEMS] = {
initSPIDevice(DRV_IMU_DEVTYPE_ICM20602, SPI::CS{GPIO::PortI, GPIO::Pin9}, SPI::DRDY{GPIO::PortF, GPIO::Pin2}), initSPIDevice(DRV_IMU_DEVTYPE_ICM20602, SPI::CS{GPIO::PortI, GPIO::Pin9}, SPI::DRDY{GPIO::PortF, GPIO::Pin2}),
}), }),
initSPIBus(SPI::Bus::SPI2, { initSPIBus(SPI::Bus::SPI2, {
// ICM-42688 initSPIDevice(DRV_IMU_DEVTYPE_ICM42688P, SPI::CS{GPIO::PortH, GPIO::Pin5}, SPI::DRDY{GPIO::PortH, GPIO::Pin12}),
initSPIDevice(DRV_DEVTYPE_UNUSED, SPI::CS{GPIO::PortH, GPIO::Pin5}, SPI::DRDY{GPIO::PortH, GPIO::Pin12}),
}), }),
initSPIBus(SPI::Bus::SPI5, { initSPIBus(SPI::Bus::SPI5, {
initSPIDevice(SPIDEV_FLASH(0), SPI::CS{GPIO::PortG, GPIO::Pin7}) initSPIDevice(SPIDEV_FLASH(0), SPI::CS{GPIO::PortG, GPIO::Pin7})
+1
View File
@@ -76,6 +76,7 @@
#define DRV_GYR_DEVTYPE_GYROSIM 0x23 #define DRV_GYR_DEVTYPE_GYROSIM 0x23
#define DRV_IMU_DEVTYPE_MPU9250 0x24 #define DRV_IMU_DEVTYPE_MPU9250 0x24
#define DRV_GYR_DEVTYPE_BMI160 0x25 #define DRV_GYR_DEVTYPE_BMI160 0x25
#define DRV_IMU_DEVTYPE_ICM42688P 0x26
#define DRV_RNG_DEVTYPE_MB12XX 0x31 #define DRV_RNG_DEVTYPE_MB12XX 0x31
#define DRV_RNG_DEVTYPE_LL40LS 0x32 #define DRV_RNG_DEVTYPE_LL40LS 0x32
@@ -0,0 +1,46 @@
############################################################################
#
# Copyright (c) 2020 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__imu__invensense__icm42688p
MAIN icm42688p
COMPILE_FLAGS
SRCS
icm42688p_main.cpp
ICM42688P.cpp
ICM42688P.hpp
InvenSense_ICM42688P_registers.hpp
DEPENDS
px4_work_queue
drivers_accelerometer
drivers_gyroscope
)
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,174 @@
/****************************************************************************
*
* Copyright (c) 2020 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 ICM42688P.hpp
*
* Driver for the Invensense ICM42688P connected via SPI.
*
*/
#pragma once
#include "InvenSense_ICM42688P_registers.hpp"
#include <drivers/drv_hrt.h>
#include <lib/drivers/accelerometer/PX4Accelerometer.hpp>
#include <lib/drivers/device/spi.h>
#include <lib/drivers/gyroscope/PX4Gyroscope.hpp>
#include <lib/ecl/geo/geo.h>
#include <lib/perf/perf_counter.h>
#include <px4_platform_common/atomic.h>
#include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp>
using namespace InvenSense_ICM42688P;
class ICM42688P : public device::SPI, public px4::ScheduledWorkItem
{
public:
ICM42688P(int bus, uint32_t device, enum Rotation rotation = ROTATION_NONE);
~ICM42688P() override;
bool Init();
void Start();
void Stop();
bool Reset();
void PrintInfo();
private:
static constexpr uint32_t GYRO_RATE{8000}; // 8 kHz gyro
static constexpr uint32_t ACCEL_RATE{8000}; // 8 kHz accel
static constexpr uint32_t FIFO_MAX_SAMPLES{ math::min(FIFO::SIZE / sizeof(FIFO::DATA) + 1, sizeof(PX4Gyroscope::FIFOSample::x) / sizeof(PX4Gyroscope::FIFOSample::x[0]))};
// Transfer data
struct TransferBuffer {
uint8_t cmd;
uint8_t INT_STATUS;
uint8_t FIFO_COUNTH;
uint8_t FIFO_COUNTL;
FIFO::DATA f[FIFO_MAX_SAMPLES];
};
// ensure no struct padding
static_assert(sizeof(TransferBuffer) == (4 * sizeof(uint8_t) + FIFO_MAX_SAMPLES *sizeof(FIFO::DATA)));
struct register_bank0_config_t {
Register::BANK_0 reg;
uint8_t set_bits{0};
uint8_t clear_bits{0};
};
int probe() override;
void Run() override;
bool Configure();
void ConfigureAccel();
void ConfigureGyro();
void ConfigureSampleRate(int sample_rate);
static int DataReadyInterruptCallback(int irq, void *context, void *arg);
void DataReady();
bool DataReadyInterruptConfigure();
bool DataReadyInterruptDisable();
bool RegisterCheck(const register_bank0_config_t &reg_cfg, bool notify = false);
uint8_t RegisterRead(Register::BANK_0 reg);
void RegisterWrite(Register::BANK_0 reg, uint8_t value);
void RegisterSetAndClearBits(Register::BANK_0 reg, uint8_t setbits, uint8_t clearbits);
void RegisterSetBits(Register::BANK_0 reg, uint8_t setbits);
void RegisterClearBits(Register::BANK_0 reg, uint8_t clearbits);
uint16_t FIFOReadCount();
bool FIFORead(const hrt_abstime &timestamp_sample, uint16_t samples);
void FIFOReset();
void ProcessAccel(const hrt_abstime &timestamp_sample, const TransferBuffer *const buffer, uint8_t samples);
void ProcessGyro(const hrt_abstime &timestamp_sample, const TransferBuffer *const buffer, uint8_t samples);
void UpdateTemperature();
uint8_t *_dma_data_buffer{nullptr};
PX4Accelerometer _px4_accel;
PX4Gyroscope _px4_gyro;
perf_counter_t _transfer_perf{perf_alloc(PC_ELAPSED, MODULE_NAME": transfer")};
perf_counter_t _bad_register_perf{perf_alloc(PC_COUNT, MODULE_NAME": bad register")};
perf_counter_t _bad_transfer_perf{perf_alloc(PC_COUNT, MODULE_NAME": bad transfer")};
perf_counter_t _fifo_empty_perf{perf_alloc(PC_COUNT, MODULE_NAME": FIFO empty")};
perf_counter_t _fifo_overflow_perf{perf_alloc(PC_COUNT, MODULE_NAME": FIFO overflow")};
perf_counter_t _fifo_reset_perf{perf_alloc(PC_COUNT, MODULE_NAME": FIFO reset")};
perf_counter_t _drdy_interval_perf{perf_alloc(PC_INTERVAL, MODULE_NAME": DRDY interval")};
hrt_abstime _reset_timestamp{0};
hrt_abstime _last_config_check_timestamp{0};
hrt_abstime _fifo_watermark_interrupt_timestamp{0};
hrt_abstime _temperature_update_timestamp{0};
px4::atomic<uint8_t> _data_ready_count{0};
px4::atomic<uint8_t> _fifo_read_samples{0};
bool _data_ready_interrupt_enabled{false};
enum class STATE : uint8_t {
RESET,
WAIT_FOR_RESET,
CONFIGURE,
FIFO_READ,
REQUEST_STOP,
STOPPED,
};
px4::atomic<STATE> _state{STATE::RESET};
uint16_t _fifo_empty_interval_us{500}; // default 500 us / 2000 Hz transfer interval
uint8_t _fifo_gyro_samples{static_cast<uint8_t>(_fifo_empty_interval_us / (1000000 / GYRO_RATE))};
uint8_t _fifo_accel_samples{static_cast<uint8_t>(_fifo_empty_interval_us / (1000000 / ACCEL_RATE))};
uint8_t _checked_register_bank0{0};
static constexpr uint8_t size_register_bank0_cfg{11};
register_bank0_config_t _register_bank0_cfg[size_register_bank0_cfg] {
// Register | Set bits, Clear bits
{ Register::BANK_0::INT_CONFIG, INT_CONFIG_BIT::INT1_MODE | INT_CONFIG_BIT::INT1_DRIVE_CIRCUIT, INT_CONFIG_BIT::INT1_POLARITY },
{ Register::BANK_0::FIFO_CONFIG, FIFO_CONFIG_BIT::FIFO_MODE_STOP_ON_FULL, 0 },
{ Register::BANK_0::PWR_MGMT0, PWR_MGMT0_BIT::GYRO_MODE_LOW_NOISE | PWR_MGMT0_BIT::ACCEL_MODE_LOW_NOISE, 0 },
{ Register::BANK_0::GYRO_CONFIG0, GYRO_CONFIG0_BIT::GYRO_ODR_8kHz, Bit7 | Bit6 | Bit5 | Bit3 | Bit2 },
{ Register::BANK_0::ACCEL_CONFIG0, ACCEL_CONFIG0_BIT::ACCEL_ODR_8kHz, Bit7 | Bit6 | Bit5 | Bit3 | Bit2 },
{ Register::BANK_0::FIFO_CONFIG1, FIFO_CONFIG1_BIT::FIFO_WM_GT_TH | FIFO_CONFIG1_BIT::FIFO_GYRO_EN | FIFO_CONFIG1_BIT::FIFO_ACCEL_EN, 0 },
{ Register::BANK_0::FIFO_CONFIG2, 0, 0 }, // FIFO_WM[7:0] set at runtime
{ Register::BANK_0::FIFO_CONFIG3, 0, 0 }, // FIFO_WM[11:8] set at runtime
{ Register::BANK_0::INT_CONFIG0, INT_CONFIG0_BIT::CLEAR_ON_FIFO_READ, 0 },
{ Register::BANK_0::INT_CONFIG1, INT_CONFIG1_BIT::INT_TPULSE_DURATION, 0 },
{ Register::BANK_0::INT_SOURCE0, INT_SOURCE0_BIT::FIFO_THS_INT1_EN, 0 },
};
};
@@ -0,0 +1,248 @@
/****************************************************************************
*
* Copyright (c) 2020 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 InvenSense_ICM42688P_registers.hpp
*
* Invensense ICM-42688-P registers.
*
*/
#pragma once
#include <cstdint>
// 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 InvenSense_ICM42688P
{
static constexpr uint32_t SPI_SPEED = 24 * 1000 * 1000; // 24 MHz SPI
static constexpr uint8_t DIR_READ = 0x80;
static constexpr uint8_t WHOAMI = 0x47;
static constexpr float TEMPERATURE_SENSITIVITY = 132.48f; // LSB/C
static constexpr float ROOM_TEMPERATURE_OFFSET = 25.f; // C
namespace Register
{
enum class BANK_0 : uint8_t {
DEVICE_CONFIG = 0x11,
INT_CONFIG = 0x14,
FIFO_CONFIG = 0x16,
TEMP_DATA1 = 0x1D,
TEMP_DATA0 = 0x1E,
INT_STATUS = 0x2D,
FIFO_COUNTH = 0x2E,
FIFO_COUNTL = 0x2F,
FIFO_DATA = 0x30,
SIGNAL_PATH_RESET = 0x4B,
PWR_MGMT0 = 0x4E,
GYRO_CONFIG0 = 0x4F,
ACCEL_CONFIG0 = 0x50,
FIFO_CONFIG1 = 0x5F,
FIFO_CONFIG2 = 0x60,
FIFO_CONFIG3 = 0x61,
INT_CONFIG0 = 0x63,
INT_CONFIG1 = 0x64,
INT_SOURCE0 = 0x65,
WHO_AM_I = 0x75,
REG_BANK_SEL = 0x76,
};
};
//---------------- BANK0 Register bits
// DEVICE_CONFIG
enum DEVICE_CONFIG_BIT : uint8_t {
SOFT_RESET_CONFIG = Bit0, //
};
// INT_CONFIG
enum INT_CONFIG_BIT : uint8_t {
INT1_MODE = Bit2,
INT1_DRIVE_CIRCUIT = Bit1,
INT1_POLARITY = Bit0,
};
// FIFO_CONFIG
enum FIFO_CONFIG_BIT : uint8_t {
// 7:6 FIFO_MODE
FIFO_MODE_STOP_ON_FULL = Bit7 | Bit6, // 11: STOP-on-FULL Mode
};
// INT_STATUS
enum INT_STATUS_BIT : uint8_t {
RESET_DONE_INT = Bit4,
DATA_RDY_INT = Bit3,
FIFO_THS_INT = Bit2,
FIFO_FULL_INT = Bit1,
};
// SIGNAL_PATH_RESET
enum SIGNAL_PATH_RESET_BIT : uint8_t {
ABORT_AND_RESET = Bit3,
FIFO_FLUSH = Bit1,
};
// PWR_MGMT0
enum PWR_MGMT0_BIT : uint8_t {
GYRO_MODE_LOW_NOISE = Bit3 | Bit2, // 11: Places gyroscope in Low Noise (LN) Mode
ACCEL_MODE_LOW_NOISE = Bit1 | Bit0, // 11: Places accelerometer in Low Noise (LN) Mode
};
// GYRO_CONFIG0
enum GYRO_CONFIG0_BIT : uint8_t {
// 7:5 GYRO_FS_SEL
GYRO_FS_SEL_2000_DPS = 0, // 0b000 = ±2000 dps
GYRO_FS_SEL_1000_DPS = Bit5, // 0b001 = ±1000 dps
GYRO_FS_SEL_500_DPS = Bit6, // 0b010 = ±500 dps
GYRO_FS_SEL_250_DPS = Bit6 | Bit5, // 0b011 = ±250 dps
GYRO_FS_SEL_125_DPS = Bit7, // 0b100 = ±125 dps
// 3:0 GYRO_ODR
GYRO_ODR_32kHz = Bit0, // 0001: 32kHz
GYRO_ODR_16kHz = Bit1, // 0010: 16kHz
GYRO_ODR_8kHz = Bit1 | Bit0, // 0011: 8kHz
GYRO_ODR_4kHz = Bit2, // 0100: 4kHz
GYRO_ODR_2kHz = Bit2 | Bit0, // 0101: 2kHz
GYRO_ODR_1kHz = Bit2 | Bit1, // 0110: 1kHz (default)
};
// ACCEL_CONFIG0
enum ACCEL_CONFIG0_BIT : uint8_t {
// 7:5 ACCEL_FS_SEL
ACCEL_FS_SEL_16G = 0, // 000: ±16g (default)
ACCEL_FS_SEL_8G = Bit5, // 001: ±8g
ACCEL_FS_SEL_4G = Bit6, // 010: ±4g
ACCEL_FS_SEL_2G = Bit6 | Bit5, // 011: ±2g
// 3:0 ACCEL_ODR
ACCEL_ODR_32kHz = Bit0, // 0001: 32kHz
ACCEL_ODR_16kHz = Bit1, // 0010: 16kHz
ACCEL_ODR_8kHz = Bit1 | Bit0, // 0011: 8kHz
ACCEL_ODR_4kHz = Bit2, // 0100: 4kHz
ACCEL_ODR_2kHz = Bit2 | Bit0, // 0101: 2kHz
ACCEL_ODR_1kHz = Bit2 | Bit1, // 0110: 1kHz (default)
};
// FIFO_CONFIG1
enum FIFO_CONFIG1_BIT : uint8_t {
FIFO_RESUME_PARTIAL_RD = Bit6,
FIFO_WM_GT_TH = Bit5,
FIFO_TEMP_EN = Bit2,
FIFO_GYRO_EN = Bit1,
FIFO_ACCEL_EN = Bit0,
};
// INT_CONFIG0
enum INT_CONFIG0_BIT : uint8_t {
// 3:2 FIFO_THS_INT_CLEAR
CLEAR_ON_FIFO_READ = Bit3,
};
// INT_CONFIG1
enum INT_CONFIG1_BIT : uint8_t {
INT_TPULSE_DURATION = Bit6, // 0: Interrupt pulse duration is 100μs
};
// INT_SOURCE0
enum INT_SOURCE0_BIT : uint8_t {
UI_FSYNC_INT1_EN = Bit6,
PLL_RDY_INT1_EN = Bit5,
RESET_DONE_INT1_EN = Bit4,
UI_DRDY_INT1_EN = Bit3,
FIFO_THS_INT1_EN = Bit2, // FIFO threshold interrupt routed to INT1
FIFO_FULL_INT1_EN = Bit1,
UI_AGC_RDY_INT1_EN = Bit0,
};
namespace FIFO
{
static constexpr size_t SIZE = 2048;
// FIFO_DATA layout when FIFO_CONFIG1 has FIFO_GYRO_EN and FIFO_ACCEL_EN set
// Packet 3
struct DATA {
uint8_t FIFO_Header;
uint8_t ACCEL_DATA_X1;
uint8_t ACCEL_DATA_X0;
uint8_t ACCEL_DATA_Y1;
uint8_t ACCEL_DATA_Y0;
uint8_t ACCEL_DATA_Z1;
uint8_t ACCEL_DATA_Z0;
uint8_t GYRO_DATA_X1;
uint8_t GYRO_DATA_X0;
uint8_t GYRO_DATA_Y1;
uint8_t GYRO_DATA_Y0;
uint8_t GYRO_DATA_Z1;
uint8_t GYRO_DATA_Z0;
uint8_t temperature; // Temperature[7:0]
uint8_t timestamp_l;
uint8_t timestamp_h;
};
// With FIFO_ACCEL_EN and FIFO_GYRO_EN header should be 8b_0110_10xx
enum FIFO_HEADER_BIT : uint8_t {
HEADER_MSG = Bit7, // 1: FIFO is empty
HEADER_ACCEL = Bit6,
HEADER_GYRO = Bit5,
HEADER_20 = Bit4,
HEADER_TIMESTAMP_FSYNC = Bit3 | Bit2,
HEADER_ODR_ACCEL = Bit1,
HEADER_ODR_GYRO = Bit0,
};
}
} // namespace InvenSense_ICM42688P
@@ -0,0 +1,151 @@
/****************************************************************************
*
* Copyright (c) 2020 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 "ICM42688P.hpp"
#include <px4_platform_common/getopt.h>
namespace icm42688p
{
ICM42688P *g_dev{nullptr};
static int start(enum Rotation rotation)
{
if (g_dev != nullptr) {
PX4_WARN("already started");
return 0;
}
// create the driver
#if defined(PX4_SPI_BUS_SENSORS2) && defined(PX4_SPIDEV_ICM_42688)
g_dev = new ICM42688P(PX4_SPI_BUS_SENSORS2, PX4_SPIDEV_ICM_42688, rotation);
#endif
if (g_dev == nullptr) {
PX4_ERR("driver start failed");
return -1;
}
if (!g_dev->Init()) {
PX4_ERR("driver init failed");
delete g_dev;
g_dev = nullptr;
return -1;
}
return 0;
}
static int stop()
{
if (g_dev == nullptr) {
PX4_WARN("driver not running");
return -1;
}
g_dev->Stop();
delete g_dev;
g_dev = nullptr;
return 0;
}
static int reset()
{
if (g_dev == nullptr) {
PX4_WARN("driver not running");
return 0;
}
return g_dev->Reset();
}
static int status()
{
if (g_dev == nullptr) {
PX4_INFO("driver not running");
return 0;
}
g_dev->PrintInfo();
return 0;
}
static int usage()
{
PX4_INFO("missing command: try 'start', 'stop', 'reset', 'status'");
PX4_INFO("options:");
PX4_INFO(" -R rotation");
return 0;
}
} // namespace icm42688p
extern "C" int icm42688p_main(int argc, char *argv[])
{
enum Rotation rotation = ROTATION_NONE;
int myoptind = 1;
int ch = 0;
const char *myoptarg = nullptr;
// start options
while ((ch = px4_getopt(argc, argv, "R:", &myoptind, &myoptarg)) != EOF) {
switch (ch) {
case 'R':
rotation = (enum Rotation)atoi(myoptarg);
break;
default:
return icm42688p::usage();
}
}
const char *verb = argv[myoptind];
if (!strcmp(verb, "start")) {
return icm42688p::start(rotation);
} else if (!strcmp(verb, "stop")) {
return icm42688p::stop();
} else if (!strcmp(verb, "status")) {
return icm42688p::status();
} else if (!strcmp(verb, "reset")) {
return icm42688p::reset();
}
return icm42688p::usage();
}