ADXL362 accelerometer library
Dependents: BLENano_SimpleTemplate_adxl362_170813 nRF51_ADXL3xx
Fork of ADXL362 by
Diff: ADXL362.h
- Revision:
- 0:2e21c4508cab
- Child:
- 1:ae171c032dc0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ADXL362.h Wed May 18 15:17:10 2016 +0000 @@ -0,0 +1,257 @@ +#ifndef ADXL362_H_ +#define ADXL362_H_ + +/** +* @file ADXL362.cpp +* @brief Header file for ADXL362 +* @author Analog Devices Inc. +* +* For support please go to: +* Github: https://github.com/analogdevicesinc/mbed-adi +* Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers +* Product: http://www.analog.com/adxl362 +* More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all + +******************************************************************************** +* Copyright 2016(c) Analog Devices, Inc. +* +* All rights reserved. +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are met: +* - Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* - 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. +* - Neither the name of Analog Devices, Inc. nor the names of its +* contributors may be used to endorse or promote products derived +* from this software without specific prior written permission. +* - The use of this software may or may not infringe the patent rights +* of one or more patent holders. This license does not release you +* from the requirement that you obtain separate licenses from these +* patent holders to use this software. +* - Use of the software either in source or binary form, must be run +* on or directly connected to an Analog Devices Inc. component. +* +* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR +* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, +* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, +* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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 "mbed.h" + +class ADXL362 +{ +public: + + /* Temperature parameters */ + typedef enum { + DEVID_AD = 0x00, + DEVID_MST = 0x01, + PARTID = 0x02, + REVID = 0x03, + XDATA = 0x08, + YDATA = 0x09, + ZDATA = 0x0A, + STATUS = 0x0B, + FIFO_ENTRIES_L = 0x0C, + FIFO_ENTRIES_H = 0x0D, + XDATA_L = 0x0E, + XDATA_H = 0x0F, + YDATA_L = 0x10, + YDATA_H = 0x11, + ZDATA_L = 0x12, + ZDATA_H = 0x13, + TEMP_L = 0x14, + TEMP_H = 0x15, + // Reserved = 0x16; + // Reserved = 0x17; + SOFT_RESET = 0x1F, + THRESH_ACT_L = 0x20, + THRESH_ACT_H = 0x21, + TIME_ACT = 0x22, + THRESH_INACT_L = 0x23, + THRESH_INACT_H = 0x24, + TIME_INACT_L = 0x25, + TIME_INACT_H = 0x26, + ACT_INACT_CTL = 0x27, + FIFO_CONTROL = 0x28, + FIFO_SAMPLES = 0x29, + INTMAP1 = 0x2A, + INTMAP2 = 0x2B, + FILTER_CTL = 0x2C, + POWER_CTL = 0x2D, + SELF_TEST = 0x2E, + } ADXL362_register_t; + + typedef enum { + STANDBY = 0x00, + MEASUREMENT = 0x02 + } ADXL362_modes_t; + + typedef enum { + ERR_USER_REGS = 0x80, + AWAKE = 0x40, + INACT = 0x20, + ACT = 0x10, + FIFO_OVERRUN = 0x08, + FIFO_WATERMARK = 0x04, + FIFO_READY = 0x02, + DATA_READY = 0x01 + } ADXL362_STATUS_reg_bits_t; + + typedef enum { + LINKLOOP1 = 0x20, + LINKLOOP0 = 0x10, + DEFAULTMODE = 0x00, + LINKED_MODE = 0x10, + LOOP_MODE = 0x30, + INACT_REF = 0x08, + INACT_EN = 0x04, + ACT_REF = 0x02, + ACT_EN = 0x01 + } ADXL362_ACT_INACT_CTL_reg_bits_t; + + typedef enum { + AH = 0x08, + FIFO_TEMP = 0x04, + FIFO_MODE1 = 0x02, + FIFO_MODE = 0x01, + } ADXL362_FIFO_CONTROL_reg_bits_t; + + typedef enum { + FIFO_DISABLED = 0x00, + FIFO_OLDEST = 0x01, + FIFO_STREAM = 0x02, + FIFO_TRIGGERED = 0x03, + } ADXL362_FIFO_modes_t; + + typedef enum { + INT_LOW = 0x80, + INT_AWAKE = 0x40, + INT_INACT = 0x20, + INT_ACT = 0x10, + INT_FIFO_OVERRUN = 0x08, + INT_FIFO_WATERMARK = 0x04, + INT_FIFO_READY = 0x02, + INT_DATA_READY = 0x01 + } ADXL362_INTMAP_reg_bits_t; + + typedef enum { + RANGE1 = 0x80, + RANGE0 = 0x40, + RANGE2G = 0x00, + RANGE4G = 0x40, + RANGE8G = 0x80, + HALF_BW = 0x10, + EXT_SAMPLE = 0x08, + ODR2 = 0x04, + ODR1 = 0x02, + ODR0 = 0x01, + ODR12HZ = 0x00, + ODR25HZ = 0x01, + ODR50Hz = 0x02, + ODR100HZ = 0x03, + ODR200Hz = 0x04, + ODR400HZ = 0x07 + } ADXL362_FILTER_CTL_reg_bits_t; + + typedef enum { + EXT_CLK = 0x40, + LOW_NOISE1 = 0x20, + LOW_NOISE0 = 0x10, + NORMAL_OPERATION = 0x00, + LOW_NOISE = 0x10, + ULTRALOW_NOISE = 0x20, + WAKEUP = 0x08, + AUTOSLEEP = 0x04, + MEASURE1 = 0x02, + MEASURE0 = 0x01, + } ADXL362_POWER_CTL_reg_bits_t; + + /** SPI configuration & constructor */ + ADXL362(PinName CS = SPI_CS, PinName MOSI = SPI_MOSI, PinName MISO = + SPI_MISO, PinName SCK = SPI_SCK); + void frequency(int hz); + + /** Low level SPI bus comm methods */ + void reset(void); + void write_reg(ADXL362_register_t reg, uint8_t data); + uint8_t read_reg(ADXL362_register_t reg); + uint16_t read_reg_u16(ADXL362_register_t reg); + void write_reg_u16(ADXL362_register_t reg, uint16_t data); + + /** ADXL general register R/W methods */ + void set_power_ctl_reg(uint8_t data); + void set_filter_ctl_reg(uint8_t data); + uint8_t read_status(); + void set_mode(ADXL362_modes_t mode); + + /** ADXL X/Y/Z/T scanning methods*/ + uint64_t scan(); + uint8_t scanx_u8(); + uint16_t scanx(); + uint8_t scany_u8(); + uint16_t scany(); + uint8_t scanz_u8(); + uint16_t scanz(); + uint16_t scant(); + + /** ADXL362 activity methods */ + void set_activity_threshold(uint16_t threshold); + void set_activity_time(uint8_t time); + void set_inactivity_threshold(uint16_t threshold); + void set_inactivity_time(uint16_t time); + void set_act_inact_ctl_reg(uint8_t data); + + /** ADXL362 interrupt methods */ + void set_interrupt1_pin(PinName in, uint8_t data, void (*callback_rising)(void), void (*callback_falling)(void), PinMode pull = PullNone); + void set_interrupt2_pin(PinName in, uint8_t data, void (*callback_rising)(void), void (*callback_falling)(void), PinMode pull = PullNone); + void enable_interrupt1(); + void enable_interrupt2(); + void disable_interrupt1(); + void disable_interrupt2(); + + void set_polling_interrupt1_pin(PinName in, uint8_t data, PinMode pull = PullNone); + void set_polling_interrupt2_pin(PinName in, uint8_t data, PinMode pull = PullNone); + + bool get_int1(); + bool get_int2(); + + /** ADXL362 FIFO methods */ + uint16_t fifo_read_nr_of_entries(); + void fifo_setup(bool store_temp, ADXL362_FIFO_modes_t mode, uint16_t nr_of_entries); + uint16_t fifo_read_u16(); + uint64_t fifo_scan(); + + SPI adxl362; ///< SPI instance of the ADXL362 + DigitalOut cs; ///< DigitalOut instance for the chipselect of the ADXL362 + +private: + + InterruptIn *_int1; + InterruptIn *_int2; + DigitalIn _int1_poll; + DigitalIn _int2_poll; + bool _int1_act_low; + bool _int2_act_low; + bool _temp_stored_in_fifo; + + const static uint8_t _DUMMY_BYTE = 0xAA; + const static uint8_t _WRITE_REG_CMD = 0x0A; // write register + const static uint8_t _READ_REG_CMD = 0x0B; // read register + const static uint8_t _READ_FIFO_CMD = 0x0D; // read FIFO + const static uint8_t _SPI_MODE = 0; +}; + +#endif