NXP / Mbed 2 deprecated FRDMSTBC-A8471_SensorShield_HelloWorld

SPI Accelerometer Hello World program

Dependencies:   FXLS8471 mbed

MMA8652FC/MMA8652.cpp@1:d8ca07afb3ec, 2016-01-23 (annotated)

Committer:
AswinSivakumar
Date:
Sat Jan 23 00:05:52 2016 +0000
Revision:
1:d8ca07afb3ec
Added additional sensor libraries;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AswinSivakumar 1:d8ca07afb3ec 1 /* Copyright (c) 2015 NXP Semiconductors. MIT License
AswinSivakumar 1:d8ca07afb3ec 2 *
AswinSivakumar 1:d8ca07afb3ec 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
AswinSivakumar 1:d8ca07afb3ec 4 * and associated documentation files (the "Software"), to deal in the Software without
AswinSivakumar 1:d8ca07afb3ec 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
AswinSivakumar 1:d8ca07afb3ec 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
AswinSivakumar 1:d8ca07afb3ec 7 * Software is furnished to do so, subject to the following conditions:
AswinSivakumar 1:d8ca07afb3ec 8 *
AswinSivakumar 1:d8ca07afb3ec 9 * The above copyright notice and this permission notice shall be included in all copies or
AswinSivakumar 1:d8ca07afb3ec 10 * substantial portions of the Software.
AswinSivakumar 1:d8ca07afb3ec 11 *
AswinSivakumar 1:d8ca07afb3ec 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
AswinSivakumar 1:d8ca07afb3ec 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
AswinSivakumar 1:d8ca07afb3ec 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
AswinSivakumar 1:d8ca07afb3ec 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AswinSivakumar 1:d8ca07afb3ec 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
AswinSivakumar 1:d8ca07afb3ec 17 */
AswinSivakumar 1:d8ca07afb3ec 18
AswinSivakumar 1:d8ca07afb3ec 19 #include "MMA8652.h"
AswinSivakumar 1:d8ca07afb3ec 20 #include "mbed.h"
AswinSivakumar 1:d8ca07afb3ec 21
AswinSivakumar 1:d8ca07afb3ec 22 MMA8652::MMA8652(PinName sda, PinName scl) : MMA8652_i2c(sda,scl)
AswinSivakumar 1:d8ca07afb3ec 23 {
AswinSivakumar 1:d8ca07afb3ec 24
AswinSivakumar 1:d8ca07afb3ec 25 }
AswinSivakumar 1:d8ca07afb3ec 26
AswinSivakumar 1:d8ca07afb3ec 27 void MMA8652::MMA8652_config(void)
AswinSivakumar 1:d8ca07afb3ec 28 {
AswinSivakumar 1:d8ca07afb3ec 29 char d[2];
AswinSivakumar 1:d8ca07afb3ec 30 d[0] = MMA8652_CTRL_REG1; //Puts device in Standby mode
AswinSivakumar 1:d8ca07afb3ec 31 d[1] = 0x00;
AswinSivakumar 1:d8ca07afb3ec 32 MMA8652_i2c.write(MMA8652_I2C_ADDRESS, d,2);
AswinSivakumar 1:d8ca07afb3ec 33
AswinSivakumar 1:d8ca07afb3ec 34
AswinSivakumar 1:d8ca07afb3ec 35 d[0] = MMA8652_CTRL_REG1; //Puts device in Active mode
AswinSivakumar 1:d8ca07afb3ec 36 d[1] = 0x01;
AswinSivakumar 1:d8ca07afb3ec 37 MMA8652_i2c.write(MMA8652_I2C_ADDRESS, d,2);
AswinSivakumar 1:d8ca07afb3ec 38
AswinSivakumar 1:d8ca07afb3ec 39 }
AswinSivakumar 1:d8ca07afb3ec 40
AswinSivakumar 1:d8ca07afb3ec 41
AswinSivakumar 1:d8ca07afb3ec 42
AswinSivakumar 1:d8ca07afb3ec 43 void MMA8652::acquire_MMA8652_data_g(float * a_data)
AswinSivakumar 1:d8ca07afb3ec 44 {
AswinSivakumar 1:d8ca07afb3ec 45
AswinSivakumar 1:d8ca07afb3ec 46 char data_bytes[7];
AswinSivakumar 1:d8ca07afb3ec 47 char d[1];
AswinSivakumar 1:d8ca07afb3ec 48 d[0]=MMA8652_STATUS;
AswinSivakumar 1:d8ca07afb3ec 49 MMA8652_i2c.write(MMA8652_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes.
AswinSivakumar 1:d8ca07afb3ec 50 MMA8652_i2c.read(MMA8652_I2C_ADDRESS,data_bytes,7);
AswinSivakumar 1:d8ca07afb3ec 51
AswinSivakumar 1:d8ca07afb3ec 52 a_data[0] = ((float)((int16_t)(((data_bytes[1]*256) + (data_bytes[2])))>> 4) * 0.0009765);
AswinSivakumar 1:d8ca07afb3ec 53 a_data[1] = ((float)((int16_t)(((data_bytes[3]*256) + (data_bytes[4])))>> 4) * 0.0009765);
AswinSivakumar 1:d8ca07afb3ec 54 a_data[2] = ((float)((int16_t)(((data_bytes[5]*256) + (data_bytes[6])))>> 4) * 0.0009765);
AswinSivakumar 1:d8ca07afb3ec 55
AswinSivakumar 1:d8ca07afb3ec 56 }
AswinSivakumar 1:d8ca07afb3ec 57
AswinSivakumar 1:d8ca07afb3ec 58