FXOS8700 - FXOS8700 library

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FXOS8700 library

Dependents: FRDM-STBC-AGMP01_SensorStream Hexi_Accelero_Magneto_Example A_Dragonfly_Freescale_Accel_Mag_Gyro_Sensor_AGM01 A_Dragonfly_BlueMix_QuickStart_NXP_Sensor ... more

FXOS8700.cpp@2:98ea52282575, 2015-12-22 (annotated)

Committer:: AswinSivakumar
Date:: Tue Dec 22 00:22:57 2015 +0000
Revision:: 2:98ea52282575
Parent:: 1:66ff36d0d1b1
Child:: 3:d6a5dcde8ed9

Who changed what in which revision?

User	Revision	Line number	New contents of line
AswinSivakumar	2:98ea52282575	1	/* Copyright (c) 2015 NXP Semiconductors. MIT License
AswinSivakumar	1:66ff36d0d1b1	2	*
AswinSivakumar	1:66ff36d0d1b1	3	* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
AswinSivakumar	1:66ff36d0d1b1	4	* and associated documentation files (the "Software"), to deal in the Software without
AswinSivakumar	1:66ff36d0d1b1	5	* restriction, including without limitation the rights to use, copy, modify, merge, publish,
AswinSivakumar	1:66ff36d0d1b1	6	* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
AswinSivakumar	1:66ff36d0d1b1	7	* Software is furnished to do so, subject to the following conditions:
AswinSivakumar	1:66ff36d0d1b1	8	*
AswinSivakumar	1:66ff36d0d1b1	9	* The above copyright notice and this permission notice shall be included in all copies or
AswinSivakumar	1:66ff36d0d1b1	10	* substantial portions of the Software.
AswinSivakumar	1:66ff36d0d1b1	11	*
AswinSivakumar	1:66ff36d0d1b1	12	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
AswinSivakumar	1:66ff36d0d1b1	13	* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
AswinSivakumar	1:66ff36d0d1b1	14	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
AswinSivakumar	1:66ff36d0d1b1	15	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AswinSivakumar	1:66ff36d0d1b1	16	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
AswinSivakumar	1:66ff36d0d1b1	17	*/
AswinSivakumar	1:66ff36d0d1b1	18
AswinSivakumar	1:66ff36d0d1b1	19	#include "FXOS8700.h"
AswinSivakumar	0:a4ffc3c3e770	20	#include "mbed.h"
AswinSivakumar	0:a4ffc3c3e770	21
AswinSivakumar	0:a4ffc3c3e770	22	FXOS8700::FXOS8700(PinName sda, PinName scl) : accelmagi2c(sda,scl)
AswinSivakumar	0:a4ffc3c3e770	23	{
AswinSivakumar	0:a4ffc3c3e770	24
AswinSivakumar	0:a4ffc3c3e770	25	}
AswinSivakumar	0:a4ffc3c3e770	26
AswinSivakumar	0:a4ffc3c3e770	27	void FXOS8700::accel_config(void)
AswinSivakumar	0:a4ffc3c3e770	28	{
AswinSivakumar	0:a4ffc3c3e770	29	char d[2];
AswinSivakumar	0:a4ffc3c3e770	30	d[0] = FXOS8700_CTRL_REG1; //Puts device in Standby mode
AswinSivakumar	0:a4ffc3c3e770	31	d[1] = 0x00;
AswinSivakumar	0:a4ffc3c3e770	32	accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2);
AswinSivakumar	0:a4ffc3c3e770	33
AswinSivakumar	0:a4ffc3c3e770	34
AswinSivakumar	0:a4ffc3c3e770	35	d[0] = FXOS8700_CTRL_REG1; //Puts device in Active mode
AswinSivakumar	0:a4ffc3c3e770	36	d[1] = 0x01;
AswinSivakumar	0:a4ffc3c3e770	37	accelmagi2c.write(FXOS8700_I2C_ADDRESS, d, 2);
AswinSivakumar	0:a4ffc3c3e770	38
AswinSivakumar	0:a4ffc3c3e770	39	}
AswinSivakumar	0:a4ffc3c3e770	40
AswinSivakumar	0:a4ffc3c3e770	41	void FXOS8700::mag_config(void)
AswinSivakumar	0:a4ffc3c3e770	42	{
AswinSivakumar	0:a4ffc3c3e770	43	char d[2];
AswinSivakumar	0:a4ffc3c3e770	44	d[0] = FXOS8700_CTRL_REG1; //Puts device in Standby mode
AswinSivakumar	0:a4ffc3c3e770	45	d[1] = 0x00;
AswinSivakumar	0:a4ffc3c3e770	46	accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2);
AswinSivakumar	0:a4ffc3c3e770	47
AswinSivakumar	0:a4ffc3c3e770	48
AswinSivakumar	0:a4ffc3c3e770	49	d[0] = FXOS8700_M_CTRL_REG1; //Puts device in hybrid mode (both accel and mag are active)
AswinSivakumar	0:a4ffc3c3e770	50	d[1] = 0x03;
AswinSivakumar	0:a4ffc3c3e770	51	accelmagi2c.write(FXOS8700_I2C_ADDRESS, d, 2);
AswinSivakumar	0:a4ffc3c3e770	52
AswinSivakumar	0:a4ffc3c3e770	53
AswinSivakumar	0:a4ffc3c3e770	54	d[0] = FXOS8700_CTRL_REG1; //Puts device in Active mode
AswinSivakumar	0:a4ffc3c3e770	55	d[1] = 0x01;
AswinSivakumar	0:a4ffc3c3e770	56	accelmagi2c.write(FXOS8700_I2C_ADDRESS, d,2);
AswinSivakumar	0:a4ffc3c3e770	57
AswinSivakumar	0:a4ffc3c3e770	58	}
AswinSivakumar	0:a4ffc3c3e770	59
AswinSivakumar	0:a4ffc3c3e770	60	void FXOS8700::acquire_accel_data_g(float * a_data)
AswinSivakumar	0:a4ffc3c3e770	61	{
AswinSivakumar	0:a4ffc3c3e770	62
AswinSivakumar	0:a4ffc3c3e770	63	char data_bytes[7];
AswinSivakumar	0:a4ffc3c3e770	64	char d[1];
AswinSivakumar	0:a4ffc3c3e770	65	d[0]=FXOS8700_STATUS;
AswinSivakumar	0:a4ffc3c3e770	66	accelmagi2c.write(FXOS8700_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes.
AswinSivakumar	0:a4ffc3c3e770	67	accelmagi2c.read(FXOS8700_I2C_ADDRESS,data_bytes,7);
AswinSivakumar	0:a4ffc3c3e770	68
AswinSivakumar	0:a4ffc3c3e770	69	a_data[0] = ((float)((int16_t)(((data_bytes[1]256) + (data_bytes[2])))>> 2) 0.000244);
AswinSivakumar	0:a4ffc3c3e770	70	a_data[1] = ((float)((int16_t)(((data_bytes[3]256) + (data_bytes[4])))>> 2) 0.000244);
AswinSivakumar	0:a4ffc3c3e770	71	a_data[2] = ((float)((int16_t)(((data_bytes[5]256) + (data_bytes[6])))>> 2) 0.000244);
AswinSivakumar	0:a4ffc3c3e770	72
AswinSivakumar	0:a4ffc3c3e770	73	}
AswinSivakumar	0:a4ffc3c3e770	74
AswinSivakumar	0:a4ffc3c3e770	75	void FXOS8700::acquire_mag_data_uT(float * m_data)
AswinSivakumar	0:a4ffc3c3e770	76	{
AswinSivakumar	0:a4ffc3c3e770	77
AswinSivakumar	0:a4ffc3c3e770	78	char data_bytes[7];
AswinSivakumar	0:a4ffc3c3e770	79	char d[1];
AswinSivakumar	0:a4ffc3c3e770	80	d[0]=FXOS8700_MDR_STATUS;
AswinSivakumar	0:a4ffc3c3e770	81	accelmagi2c.write(FXOS8700_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes.
AswinSivakumar	0:a4ffc3c3e770	82	accelmagi2c.read(FXOS8700_I2C_ADDRESS,data_bytes,7);
AswinSivakumar	0:a4ffc3c3e770	83
AswinSivakumar	0:a4ffc3c3e770	84	m_data[0] = (float)((int16_t)((data_bytes[1]256) + (data_bytes[2]))) 0.1;
AswinSivakumar	0:a4ffc3c3e770	85	m_data[1] = (float)((int16_t)((data_bytes[3]256) + (data_bytes[4]))) 0.1;
AswinSivakumar	0:a4ffc3c3e770	86	m_data[2] = (float)((int16_t)((data_bytes[5]256) + (data_bytes[6]))) 0.1;
AswinSivakumar	0:a4ffc3c3e770	87
AswinSivakumar	0:a4ffc3c3e770	88	}
AswinSivakumar	0:a4ffc3c3e770	89
AswinSivakumar	0:a4ffc3c3e770	90