SPI Accelerometer Hello World program
MPL3115A2/MPL3115.cpp
- Committer:
- AswinSivakumar
- Date:
- 2016-01-23
- Revision:
- 1:d8ca07afb3ec
File content as of revision 1:d8ca07afb3ec:
/* Copyright (c) 2015 NXP Semiconductors. MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "MPL3115.h"
#include "mbed.h"
MPL3115::MPL3115(PinName sda, PinName scl) : MPL3115_i2c(sda,scl)
{
}
void MPL3115::MPL3115_config(void)
{
char d[2];
d[0] = MPL3115_CTRL_REG1; //Puts device in Standby mode
d[1] = 0x00;
MPL3115_i2c.write(MPL3115_I2C_ADDRESS, d,2);
d[0] = MPL3115_CTRL_REG1; //Puts device in Active mode and in altimeter mode
d[1] = 0x81;
MPL3115_i2c.write(MPL3115_I2C_ADDRESS, d, 2);
}
void MPL3115::acquire_MPL3115_data_Altitude_in_m(float * alt_data)
{
char data_bytes[7];
char d[1];
d[0]=MPL3115_STATUS;
MPL3115_i2c.write(MPL3115_I2C_ADDRESS,d,1,true); // Read the 6 data bytes - LSB and MSB for X, Y and Z Axes.
MPL3115_i2c.read(MPL3115_I2C_ADDRESS,data_bytes,5);
alt_data[0]= (float)((short)((data_bytes[1] << 8 ) | data_bytes[2])) + (float)(data_bytes[3]>>4) * 0.0625;
}
NXP FRDMSTBC-A8471