ECE 4180 Lab 2 IMU code template

Dependencies:   4DGL-uLCD-SE LSM9DS0 mbed

Dependents:   HW2_P2

Files at this revision

API Documentation at this revision

Comitter:
aswild
Date:
Mon Jan 26 06:39:49 2015 +0000
Parent:
2:4d1fd40fbf43
Child:
4:a9e3007530a7
Commit message:
fixed documentation/library

Changed in this revision

LSM9DS0.cpp Show diff for this revision Revisions of this file
LSM9DS0.h Show diff for this revision Revisions of this file
LSM9DS0.lib Show annotated file Show diff for this revision Revisions of this file
--- a/LSM9DS0.cpp	Mon Jan 26 06:32:58 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,450 +0,0 @@
-#include "LSM9DS0.h"
-#include "math.h"
-
-LSM9DS0::LSM9DS0(PinName sda, PinName scl, uint8_t gAddr, uint8_t xmAddr) : i2c(sda, scl)
-{
-	// xmAddress and gAddress will store the 7-bit I2C address, if using I2C.
-	xmAddress = xmAddr;
-	gAddress = gAddr;
-}
-
-uint16_t LSM9DS0::begin(gyro_scale gScl, accel_scale aScl, mag_scale mScl, 
-						gyro_odr gODR, accel_odr aODR, mag_odr mODR)
-{
-	// Store the given scales in class variables. These scale variables
-	// are used throughout to calculate the actual g's, DPS,and Gs's.
-	gScale = gScl;
-	aScale = aScl;
-	mScale = mScl;
-	
-	// Once we have the scale values, we can calculate the resolution
-	// of each sensor. That's what these functions are for. One for each sensor
-	calcgRes(); // Calculate DPS / ADC tick, stored in gRes variable
-	calcmRes(); // Calculate Gs / ADC tick, stored in mRes variable
-	calcaRes(); // Calculate g / ADC tick, stored in aRes variable
-	
-	
-	// To verify communication, we can read from the WHO_AM_I register of
-	// each device. Store those in a variable so we can return them.
-	uint8_t gTest = gReadByte(WHO_AM_I_G);		// Read the gyro WHO_AM_I
-	uint8_t xmTest = xmReadByte(WHO_AM_I_XM);	// Read the accel/mag WHO_AM_I
-	
-	// Gyro initialization stuff:
-	initGyro(); // This will "turn on" the gyro. Setting up interrupts, etc.
-	setGyroODR(gODR); // Set the gyro output data rate and bandwidth.
-	setGyroScale(gScale); // Set the gyro range
-	
-	// Accelerometer initialization stuff:
-	initAccel(); // "Turn on" all axes of the accel. Set up interrupts, etc.
-	setAccelODR(aODR); // Set the accel data rate.
-	setAccelScale(aScale); // Set the accel range.
-	
-	// Magnetometer initialization stuff:
-	initMag(); // "Turn on" all axes of the mag. Set up interrupts, etc.
-	setMagODR(mODR); // Set the magnetometer output data rate.
-	setMagScale(mScale); // Set the magnetometer's range.
-	
-	// Once everything is initialized, return the WHO_AM_I registers we read:
-	return (xmTest << 8) | gTest;
-}
-
-void LSM9DS0::initGyro()
-{
-
-	gWriteByte(CTRL_REG1_G, 0x0F); // Normal mode, enable all axes
-	gWriteByte(CTRL_REG2_G, 0x00); // Normal mode, high cutoff frequency
-	gWriteByte(CTRL_REG3_G, 0x88);	//Interrupt enabled on both INT_G  and I2_DRDY
-	gWriteByte(CTRL_REG4_G, 0x00); // Set scale to 245 dps
-	gWriteByte(CTRL_REG5_G, 0x00); //Init default values
-	
-}
-
-void LSM9DS0::initAccel()
-{
-	xmWriteByte(CTRL_REG0_XM, 0x00);  
-	xmWriteByte(CTRL_REG1_XM, 0x57); // 50Hz data rate, x/y/z all enabled												 
-	xmWriteByte(CTRL_REG2_XM, 0x00); // Set scale to 2g
-	xmWriteByte(CTRL_REG3_XM, 0x04); // Accelerometer data ready on INT1_XM (0x04)
-
-}
-
-void LSM9DS0::initMag()
-{	
-	xmWriteByte(CTRL_REG5_XM, 0x94); // Mag data rate - 100 Hz, enable temperature sensor
-	xmWriteByte(CTRL_REG6_XM, 0x00); // Mag scale to +/- 2GS
-	xmWriteByte(CTRL_REG7_XM, 0x00); // Continuous conversion mode
-	xmWriteByte(CTRL_REG4_XM, 0x04); // Magnetometer data ready on INT2_XM (0x08)
-	xmWriteByte(INT_CTRL_REG_M, 0x09); // Enable interrupts for mag, active-low, push-pull
-}
-
-void LSM9DS0::readAccel()
-{
-	uint16_t data = 0;
-
-	//Get x
-	data = xmReadByte(OUT_X_H_A);
-	data <<= 8;
-	data |= xmReadByte(OUT_X_L_A);
-	ax_raw = data;
-	ax = ax_raw * aRes;
-
-	//Get y
-	data=0;
-	data = xmReadByte(OUT_Y_H_A);
-	data <<= 8;
-	data |= xmReadByte(OUT_Y_L_A);
-	ay_raw = data;
-	ay = ay_raw * aRes;
-
-	//Get z
-	data=0;
-	data = xmReadByte(OUT_Z_H_A);
-	data <<= 8;
-	data |= xmReadByte(OUT_Z_L_A);
-	az_raw = data;
-	az = az_raw * aRes;
-}
-
-void LSM9DS0::readMag()
-{
-	uint16_t data = 0;  
-
-	//Get x
-	data = xmReadByte(OUT_X_H_M);
-	data <<= 8;
-	data |= xmReadByte(OUT_X_L_M);
-	mx_raw = data;
-	mx = mx_raw * mRes;
-
-	//Get y
-	data = xmReadByte(OUT_Y_H_M);
-	data <<= 8;
-	data |= xmReadByte(OUT_Y_L_M);
-	my_raw = data;
-	my = my_raw * mRes;
-
-	//Get z
-	data = xmReadByte(OUT_Z_H_M);
-	data <<= 8;
-	data |= xmReadByte(OUT_Z_L_M);
-	mz_raw = data;
-	mz = mz_raw * mRes;
-}
-
-void LSM9DS0::readTemp()
-{
-	uint8_t temp[2]; // We'll read two bytes from the temperature sensor into temp	
-	
-	temp[0] = xmReadByte(OUT_TEMP_L_XM);
-	temp[1] = xmReadByte(OUT_TEMP_H_XM);
-	
-	// Temperature is a 12-bit signed integer	
-	temperature_raw = (((int16_t) temp[1] << 12) | temp[0] << 4 ) >> 4;
-
-	temperature_c = (float)temperature_raw / 8.0;
-	temperature_f = temperature_c * 1.8 + 32;
-}
-
-
-void LSM9DS0::readGyro()
-{	
-	uint16_t data = 0;
-
-	//Get x
-	data = gReadByte(OUT_X_H_G);
-	data <<= 8;
-	data |= gReadByte(OUT_X_L_G);
-	gx_raw = data;
-	gx = gx_raw * gRes;
-
-	//Get y
-	data = gReadByte(OUT_Y_H_G);
-	data <<= 8;
-	data |= gReadByte(OUT_Y_L_G);
-	gy_raw = data;
-	gy = gy_raw * gRes;
-
-	//Get z
-	data = gReadByte(OUT_Z_H_G);
-	data <<= 8;
-	data |= gReadByte(OUT_Z_L_G);
-	gz_raw = data;
-	gz = gz_raw * gRes;
-}
-
-void LSM9DS0::setGyroScale(gyro_scale gScl)
-{
-	// We need to preserve the other bytes in CTRL_REG4_G. So, first read it:
-	uint8_t temp = gReadByte(CTRL_REG4_G);
-	// Then mask out the gyro scale bits:
-	temp &= 0xFF^(0x3 << 4);
-	// Then shift in our new scale bits:
-	temp |= gScl << 4;
-	// And write the new register value back into CTRL_REG4_G:
-	gWriteByte(CTRL_REG4_G, temp);
-	
-	// We've updated the sensor, but we also need to update our class variables
-	// First update gScale:
-	gScale = gScl;
-	// Then calculate a new gRes, which relies on gScale being set correctly:
-	calcgRes();
-}
-
-void LSM9DS0::setAccelScale(accel_scale aScl)
-{
-	// We need to preserve the other bytes in CTRL_REG2_XM. So, first read it:
-	uint8_t temp = xmReadByte(CTRL_REG2_XM);
-	// Then mask out the accel scale bits:
-	temp &= 0xFF^(0x3 << 3);
-	// Then shift in our new scale bits:
-	temp |= aScl << 3;
-	// And write the new register value back into CTRL_REG2_XM:
-	xmWriteByte(CTRL_REG2_XM, temp);
-	
-	// We've updated the sensor, but we also need to update our class variables
-	// First update aScale:
-	aScale = aScl;
-	// Then calculate a new aRes, which relies on aScale being set correctly:
-	calcaRes();
-}
-
-void LSM9DS0::setMagScale(mag_scale mScl)
-{
-	// We need to preserve the other bytes in CTRL_REG6_XM. So, first read it:
-	uint8_t temp = xmReadByte(CTRL_REG6_XM);
-	// Then mask out the mag scale bits:
-	temp &= 0xFF^(0x3 << 5);
-	// Then shift in our new scale bits:
-	temp |= mScl << 5;
-	// And write the new register value back into CTRL_REG6_XM:
-	xmWriteByte(CTRL_REG6_XM, temp);
-	
-	// We've updated the sensor, but we also need to update our class variables
-	// First update mScale:
-	mScale = mScl;
-	// Then calculate a new mRes, which relies on mScale being set correctly:
-	calcmRes();
-}
-
-void LSM9DS0::setGyroODR(gyro_odr gRate)
-{
-	// We need to preserve the other bytes in CTRL_REG1_G. So, first read it:
-	uint8_t temp = gReadByte(CTRL_REG1_G);
-	// Then mask out the gyro ODR bits:
-	temp &= 0xFF^(0xF << 4);
-	// Then shift in our new ODR bits:
-	temp |= (gRate << 4);
-	// And write the new register value back into CTRL_REG1_G:
-	gWriteByte(CTRL_REG1_G, temp);
-}
-void LSM9DS0::setAccelODR(accel_odr aRate)
-{
-	// We need to preserve the other bytes in CTRL_REG1_XM. So, first read it:
-	uint8_t temp = xmReadByte(CTRL_REG1_XM);
-	// Then mask out the accel ODR bits:
-	temp &= 0xFF^(0xF << 4);
-	// Then shift in our new ODR bits:
-	temp |= (aRate << 4);
-	// And write the new register value back into CTRL_REG1_XM:
-	xmWriteByte(CTRL_REG1_XM, temp);
-}
-void LSM9DS0::setMagODR(mag_odr mRate)
-{
-	// We need to preserve the other bytes in CTRL_REG5_XM. So, first read it:
-	uint8_t temp = xmReadByte(CTRL_REG5_XM);
-	// Then mask out the mag ODR bits:
-	temp &= 0xFF^(0x7 << 2);
-	// Then shift in our new ODR bits:
-	temp |= (mRate << 2);
-	// And write the new register value back into CTRL_REG5_XM:
-	xmWriteByte(CTRL_REG5_XM, temp);
-}
-
-void LSM9DS0::configGyroInt(uint8_t int1Cfg, uint16_t int1ThsX, uint16_t int1ThsY, uint16_t int1ThsZ, uint8_t duration)
-{
-	gWriteByte(INT1_CFG_G, int1Cfg);
-	gWriteByte(INT1_THS_XH_G, (int1ThsX & 0xFF00) >> 8);
-	gWriteByte(INT1_THS_XL_G, (int1ThsX & 0xFF));
-	gWriteByte(INT1_THS_YH_G, (int1ThsY & 0xFF00) >> 8);
-	gWriteByte(INT1_THS_YL_G, (int1ThsY & 0xFF));
-	gWriteByte(INT1_THS_ZH_G, (int1ThsZ & 0xFF00) >> 8);
-	gWriteByte(INT1_THS_ZL_G, (int1ThsZ & 0xFF));
-	if (duration)
-		gWriteByte(INT1_DURATION_G, 0x80 | duration);
-	else
-		gWriteByte(INT1_DURATION_G, 0x00);
-}
-
-void LSM9DS0::calcgRes()
-{
-	// Possible gyro scales (and their register bit settings) are:
-	// 245 DPS (00), 500 DPS (01), 2000 DPS (10). Here's a bit of an algorithm
-	// to calculate DPS/(ADC tick) based on that 2-bit value:
-	switch (gScale)
-	{
-		case G_SCALE_245DPS:
-			gRes = 245.0 / 32768.0;
-			break;
-		case G_SCALE_500DPS:
-			gRes = 500.0 / 32768.0;
-			break;
-		case G_SCALE_2000DPS:
-			gRes = 2000.0 / 32768.0;
-			break;
-	}
-}
-
-void LSM9DS0::calcaRes()
-{
-	// Possible accelerometer scales (and their register bit settings) are:
-	// 2 g (000), 4g (001), 6g (010) 8g (011), 16g (100). Here's a bit of an 
-	// algorithm to calculate g/(ADC tick) based on that 3-bit value:
-	aRes = aScale == A_SCALE_16G ? 16.0 / 32768.0 : 
-		   (((float) aScale + 1.0) * 2.0) / 32768.0;
-}
-
-void LSM9DS0::calcmRes()
-{
-	// Possible magnetometer scales (and their register bit settings) are:
-	// 2 Gs (00), 4 Gs (01), 8 Gs (10) 12 Gs (11). Here's a bit of an algorithm
-	// to calculate Gs/(ADC tick) based on that 2-bit value:
-	mRes = mScale == M_SCALE_2GS ? 2.0 / 32768.0 : 
-		   (float) (mScale << 2) / 32768.0;
-}
-
-#define R2D 57.295779513F
-// calculate compass heading, assuming readMag() has been called already
-float LSM9DS0::calcHeading()
-{
-	if (my > 0)
-		return 90.0 - atan(mx / my)*R2D;
-	else if (my < 0)
-		return 270.0 - atan(mx / my)*R2D;
-	else if (mx < 0)
-		return 180.0;
-	else
-		return 0.0;
-}
-	
-void LSM9DS0::calcBias()
-{  
-	uint8_t data[6] = {0, 0, 0, 0, 0, 0};
-	int16_t gyro_bias[3] = {0, 0, 0}, accel_bias[3] = {0, 0, 0};
-	int samples, ii;
-
-	// First get gyro bias
-	uint8_t c = gReadByte(CTRL_REG5_G);
-	gWriteByte(CTRL_REG5_G, c | 0x40); // Enable gyro FIFO  
-	wait_ms(20);					   // Wait for change to take effect
-	gWriteByte(FIFO_CTRL_REG_G, 0x20 | 0x1F);  // Enable gyro FIFO stream mode and set watermark at 32 samples
-	wait_ms(1000);  // delay 1000 milliseconds to collect FIFO samples
-
-	samples = (gReadByte(FIFO_SRC_REG_G) & 0x1F); // Read number of stored samples
-
-	for(ii = 0; ii < samples ; ii++)
-	{
-		// Read the gyro data stored in the FIFO
-		data[0] = gReadByte(OUT_X_L_G);
-		data[1] = gReadByte(OUT_X_H_G);
-		data[2] = gReadByte(OUT_Y_L_G);
-		data[3] = gReadByte(OUT_Y_H_G);
-		data[4] = gReadByte(OUT_Z_L_G);
-		data[5] = gReadByte(OUT_Z_H_G);
-
-		gyro_bias[0] += (((int16_t)data[1] << 8) | data[0]);
-		gyro_bias[1] += (((int16_t)data[3] << 8) | data[2]);
-		gyro_bias[2] += (((int16_t)data[5] << 8) | data[4]);
-	}  
-
-	gyro_bias[0] /= samples; // average the data
-	gyro_bias[1] /= samples; 
-	gyro_bias[2] /= samples; 
-
-	gbias[0] = (float)gyro_bias[0]*gRes;	// Properly scale the data to get deg/s
-	gbias[1] = (float)gyro_bias[1]*gRes;
-	gbias[2] = (float)gyro_bias[2]*gRes;
-
-	c = gReadByte(CTRL_REG5_G);
-	gWriteByte(CTRL_REG5_G, c & ~0x40);  // Disable gyro FIFO  
-	wait_ms(20);
-	gWriteByte(FIFO_CTRL_REG_G, 0x00);   // Enable gyro bypass mode
-
-	//  Now get the accelerometer biases
-	c = xmReadByte(CTRL_REG0_XM);
-	xmWriteByte(CTRL_REG0_XM, c | 0x40);		// Enable accelerometer FIFO  
-	wait_ms(20);								  // Wait for change to take effect
-	xmWriteByte(FIFO_CTRL_REG, 0x20 | 0x1F);	// Enable accelerometer FIFO stream mode and set watermark at 32 samples
-	wait_ms(1000);  // delay 1000 milliseconds to collect FIFO samples
-
-	samples = (xmReadByte(FIFO_SRC_REG) & 0x1F); // Read number of stored accelerometer samples
-
-	for(ii = 0; ii < samples ; ii++)
-	{
-		// Read the accelerometer data stored in the FIFO
-		data[0] = xmReadByte(OUT_X_L_A);
-		data[1] = xmReadByte(OUT_X_H_A);
-		data[2] = xmReadByte(OUT_Y_L_A);
-		data[3] = xmReadByte(OUT_Y_H_A);
-		data[4] = xmReadByte(OUT_Z_L_A);
-		data[5] = xmReadByte(OUT_Z_H_A);
-		accel_bias[0] += (((int16_t)data[1] << 8) | data[0]);
-		accel_bias[1] += (((int16_t)data[3] << 8) | data[2]);
-		accel_bias[2] += (((int16_t)data[5] << 8) | data[4]) - (int16_t)(1./aRes); // Assumes sensor facing up!
-	}  
-
-	accel_bias[0] /= samples; // average the data
-	accel_bias[1] /= samples; 
-	accel_bias[2] /= samples; 
-
-	abias[0] = (float)accel_bias[0]*aRes; // Properly scale data to get gs
-	abias[1] = (float)accel_bias[1]*aRes;
-	abias[2] = (float)accel_bias[2]*aRes;
-
-	c = xmReadByte(CTRL_REG0_XM);
-	xmWriteByte(CTRL_REG0_XM, c & ~0x40);    // Disable accelerometer FIFO  
-	wait_ms(20);
-	xmWriteByte(FIFO_CTRL_REG, 0x00);		  // Enable accelerometer bypass mode
-}
-
-void LSM9DS0::gWriteByte(uint8_t subAddress, uint8_t data)
-{
-	// Whether we're using I2C or SPI, write a byte using the
-	// gyro-specific I2C address or SPI CS pin.
-	I2CwriteByte(gAddress, subAddress, data);
-}
-
-void LSM9DS0::xmWriteByte(uint8_t subAddress, uint8_t data)
-{
-	// Whether we're using I2C or SPI, write a byte using the
-	// accelerometer-specific I2C address or SPI CS pin.
-	return I2CwriteByte(xmAddress, subAddress, data);
-}
-
-uint8_t LSM9DS0::gReadByte(uint8_t subAddress)
-{
-	return I2CreadByte(gAddress, subAddress);
-}
-
-uint8_t LSM9DS0::xmReadByte(uint8_t subAddress)
-{
-	// Whether we're using I2C or SPI, read a byte using the
-	// accelerometer-specific I2C address.
-	return I2CreadByte(xmAddress, subAddress);
-}
-
-void LSM9DS0::I2CwriteByte(char address, char subAddress, char data)
-{	
-	char cmd[2] = {subAddress, data};
-	i2c.write(address<<1, cmd, 2);
-
-}
-
-uint8_t LSM9DS0::I2CreadByte(char address, char subAddress)
-{
-	char data; // store the register data
-	i2c.write(address<<1, &subAddress, 1, true);
-	i2c.read(address<<1, &data, 1);
-	
-	return data;
-
-}
\ No newline at end of file
--- a/LSM9DS0.h	Mon Jan 26 06:32:58 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,462 +0,0 @@
-// Most of the Credit goes to jimblom
-// Modifications by Allen Wild
-#ifndef _LSM9DS0_H__
-#define _LSM9DS0_H__
-
-#include "mbed.h"
-
-////////////////////////////
-// LSM9DS0 Gyro Registers //
-////////////////////////////
-#define WHO_AM_I_G          0x0F
-#define CTRL_REG1_G         0x20
-#define CTRL_REG2_G         0x21
-#define CTRL_REG3_G         0x22
-#define CTRL_REG4_G         0x23
-#define CTRL_REG5_G         0x24
-#define REFERENCE_G         0x25
-#define STATUS_REG_G        0x27
-#define OUT_X_L_G           0x28
-#define OUT_X_H_G           0x29
-#define OUT_Y_L_G           0x2A
-#define OUT_Y_H_G           0x2B
-#define OUT_Z_L_G           0x2C
-#define OUT_Z_H_G           0x2D
-#define FIFO_CTRL_REG_G     0x2E
-#define FIFO_SRC_REG_G      0x2F
-#define INT1_CFG_G          0x30
-#define INT1_SRC_G          0x31
-#define INT1_THS_XH_G       0x32
-#define INT1_THS_XL_G       0x33
-#define INT1_THS_YH_G       0x34
-#define INT1_THS_YL_G       0x35
-#define INT1_THS_ZH_G       0x36
-#define INT1_THS_ZL_G       0x37
-#define INT1_DURATION_G     0x38
-
-//////////////////////////////////////////
-// LSM9DS0 Accel/Magneto (XM) Registers //
-//////////////////////////////////////////
-#define OUT_TEMP_L_XM       0x05
-#define OUT_TEMP_H_XM       0x06
-#define STATUS_REG_M        0x07
-#define OUT_X_L_M           0x08
-#define OUT_X_H_M           0x09
-#define OUT_Y_L_M           0x0A
-#define OUT_Y_H_M           0x0B
-#define OUT_Z_L_M           0x0C
-#define OUT_Z_H_M           0x0D
-#define WHO_AM_I_XM         0x0F
-#define INT_CTRL_REG_M      0x12
-#define INT_SRC_REG_M       0x13
-#define INT_THS_L_M         0x14
-#define INT_THS_H_M         0x15
-#define OFFSET_X_L_M        0x16
-#define OFFSET_X_H_M        0x17
-#define OFFSET_Y_L_M        0x18
-#define OFFSET_Y_H_M        0x19
-#define OFFSET_Z_L_M        0x1A
-#define OFFSET_Z_H_M        0x1B
-#define REFERENCE_X         0x1C
-#define REFERENCE_Y         0x1D
-#define REFERENCE_Z         0x1E
-#define CTRL_REG0_XM        0x1F
-#define CTRL_REG1_XM        0x20
-#define CTRL_REG2_XM        0x21
-#define CTRL_REG3_XM        0x22
-#define CTRL_REG4_XM        0x23
-#define CTRL_REG5_XM        0x24
-#define CTRL_REG6_XM        0x25
-#define CTRL_REG7_XM        0x26
-#define STATUS_REG_A        0x27
-#define OUT_X_L_A           0x28
-#define OUT_X_H_A           0x29
-#define OUT_Y_L_A           0x2A
-#define OUT_Y_H_A           0x2B
-#define OUT_Z_L_A           0x2C
-#define OUT_Z_H_A           0x2D
-#define FIFO_CTRL_REG       0x2E
-#define FIFO_SRC_REG        0x2F
-#define INT_GEN_1_REG       0x30
-#define INT_GEN_1_SRC       0x31
-#define INT_GEN_1_THS       0x32
-#define INT_GEN_1_DURATION  0x33
-#define INT_GEN_2_REG       0x34
-#define INT_GEN_2_SRC       0x35
-#define INT_GEN_2_THS       0x36
-#define INT_GEN_2_DURATION  0x37
-#define CLICK_CFG           0x38
-#define CLICK_SRC           0x39
-#define CLICK_THS           0x3A
-#define TIME_LIMIT          0x3B
-#define TIME_LATENCY        0x3C
-#define TIME_WINDOW         0x3D
-#define ACT_THS             0x3E
-#define ACT_DUR             0x3F
-
-
-class LSM9DS0
-{
-public:
-
-    /// gyro_scale defines the possible full-scale ranges of the gyroscope:
-    enum gyro_scale
-    {
-        G_SCALE_245DPS,     // 00: +/- 245 degrees per second
-        G_SCALE_500DPS,     // 01: +/- 500 dps
-        G_SCALE_2000DPS,    // 10: +/- 2000 dps
-    };
-
-    /// accel_scale defines all possible FSR's of the accelerometer:
-    enum accel_scale
-    {
-        A_SCALE_2G, // 000: +/- 2g
-        A_SCALE_4G, // 001: +/- 4g
-        A_SCALE_6G, // 010: +/- 6g
-        A_SCALE_8G, // 011: +/- 8g
-        A_SCALE_16G // 100: +/- 16g
-    };
-
-    /// mag_scale defines all possible FSR's of the magnetometer:
-    enum mag_scale
-    {
-        M_SCALE_2GS,    // 00: +/- 2Gs
-        M_SCALE_4GS,    // 01: +/- 4Gs
-        M_SCALE_8GS,    // 10: +/- 8Gs
-        M_SCALE_12GS,   // 11: +/- 12Gs
-    };
-
-    /// gyro_odr defines all possible data rate/bandwidth combos of the gyro:
-    enum gyro_odr
-    {                           // ODR (Hz) --- Cutoff
-        G_ODR_95_BW_125  = 0x0, //   95         12.5
-        G_ODR_95_BW_25   = 0x1, //   95          25
-        // 0x2 and 0x3 define the same data rate and bandwidth
-        G_ODR_190_BW_125 = 0x4, //   190        12.5
-        G_ODR_190_BW_25  = 0x5, //   190         25
-        G_ODR_190_BW_50  = 0x6, //   190         50
-        G_ODR_190_BW_70  = 0x7, //   190         70
-        G_ODR_380_BW_20  = 0x8, //   380         20
-        G_ODR_380_BW_25  = 0x9, //   380         25
-        G_ODR_380_BW_50  = 0xA, //   380         50
-        G_ODR_380_BW_100 = 0xB, //   380         100
-        G_ODR_760_BW_30  = 0xC, //   760         30
-        G_ODR_760_BW_35  = 0xD, //   760         35
-        G_ODR_760_BW_50  = 0xE, //   760         50
-        G_ODR_760_BW_100 = 0xF, //   760         100
-    };
-
-    /// accel_oder defines all possible output data rates of the accelerometer:
-    enum accel_odr
-    {
-        A_POWER_DOWN,   // Power-down mode (0x0)
-        A_ODR_3125,     // 3.125 Hz (0x1)
-        A_ODR_625,      // 6.25 Hz (0x2)
-        A_ODR_125,      // 12.5 Hz (0x3)
-        A_ODR_25,       // 25 Hz (0x4)
-        A_ODR_50,       // 50 Hz (0x5)
-        A_ODR_100,      // 100 Hz (0x6)
-        A_ODR_200,      // 200 Hz (0x7)
-        A_ODR_400,      // 400 Hz (0x8)
-        A_ODR_800,      // 800 Hz (9)
-        A_ODR_1600      // 1600 Hz (0xA)
-    };
-    /// accel_oder defines all possible output data rates of the magnetometer:
-    enum mag_odr
-    {
-        M_ODR_3125, // 3.125 Hz (0x00)
-        M_ODR_625,  // 6.25 Hz (0x01)
-        M_ODR_125,  // 12.5 Hz (0x02)
-        M_ODR_25,   // 25 Hz (0x03)
-        M_ODR_50,   // 50 (0x04)
-        M_ODR_100,  // 100 Hz (0x05)
-    };
-
-    // We'll store the gyro, accel, and magnetometer readings in a series of
-    // public class variables. Each sensor gets three variables -- one for each
-    // axis. Call readGyro(), readAccel(), and readMag() first, before using
-    // these variables!
-    // These values are the RAW signed 16-bit readings from the sensors.
-    int16_t gx_raw, gy_raw, gz_raw; // x, y, and z axis readings of the gyroscope
-    int16_t ax_raw, ay_raw, az_raw; // x, y, and z axis readings of the accelerometer
-    int16_t mx_raw, my_raw, mz_raw; // x, y, and z axis readings of the magnetometer
-    int16_t temperature_raw;
-
-	// floating-point values of scaled data in real-world units
-	float gx, gy, gz;
-	float ax, ay, az;
-	float mx, my, mz;
-	float temperature_c, temperature_f; // temperature in celcius and fahrenheit
-
-    float abias[3];
-    float gbias[3];
-
-    
-    /**  LSM9DS0 -- LSM9DS0 class constructor
-    *  The constructor will set up a handful of private variables, and set the
-    *  communication mode as well.
-    *  Input:
-    *   - interface = Either MODE_SPI or MODE_I2C, whichever you're using
-    *               to talk to the IC.
-    *   - gAddr = If MODE_I2C, this is the I2C address of the gyroscope.
-    *               If MODE_SPI, this is the chip select pin of the gyro (CSG)
-    *   - xmAddr = If MODE_I2C, this is the I2C address of the accel/mag.
-    *               If MODE_SPI, this is the cs pin of the accel/mag (CSXM)
-	*/
-    LSM9DS0(PinName sda, PinName scl, uint8_t gAddr, uint8_t xmAddr);
-    
-    /**  begin() -- Initialize the gyro, accelerometer, and magnetometer.
-    *  This will set up the scale and output rate of each sensor. It'll also
-    *  "turn on" every sensor and every axis of every sensor.
-    *  Input:
-    *   - gScl = The scale of the gyroscope. This should be a gyro_scale value.
-    *   - aScl = The scale of the accelerometer. Should be a accel_scale value.
-    *   - mScl = The scale of the magnetometer. Should be a mag_scale value.
-    *   - gODR = Output data rate of the gyroscope. gyro_odr value.
-    *   - aODR = Output data rate of the accelerometer. accel_odr value.
-    *   - mODR = Output data rate of the magnetometer. mag_odr value.
-    *  Output: The function will return an unsigned 16-bit value. The most-sig
-    *       bytes of the output are the WHO_AM_I reading of the accel. The
-    *       least significant two bytes are the WHO_AM_I reading of the gyro.
-    *  All parameters have a defaulted value, so you can call just "begin()".
-    *  Default values are FSR's of: +/- 245DPS, 2g, 2Gs; ODRs of 95 Hz for 
-    *  gyro, 100 Hz for accelerometer, 100 Hz for magnetometer.
-    *  Use the return value of this function to verify communication.
-	*/
-    uint16_t begin(gyro_scale gScl = G_SCALE_245DPS, 
-                accel_scale aScl = A_SCALE_2G, mag_scale mScl = M_SCALE_2GS,
-                gyro_odr gODR = G_ODR_95_BW_125, accel_odr aODR = A_ODR_50, 
-                mag_odr mODR = M_ODR_50);
-    
-    /**  readGyro() -- Read the gyroscope output registers.
-    *  This function will read all six gyroscope output registers.
-    *  The readings are stored in the class' gx_raw, gy_raw, and gz_raw variables. Read
-    *  those _after_ calling readGyro().
-	*/
-    void readGyro();
-    
-    /**  readAccel() -- Read the accelerometer output registers.
-    *  This function will read all six accelerometer output registers.
-    *  The readings are stored in the class' ax_raw, ay_raw, and az_raw variables. Read
-    *  those _after_ calling readAccel().
-	*/
-    void readAccel();
-    
-    /**  readMag() -- Read the magnetometer output registers.
-    *  This function will read all six magnetometer output registers.
-    *  The readings are stored in the class' mx_raw, my_raw, and mz_raw variables. Read
-    *  those _after_ calling readMag().
-	*/
-    void readMag();
-    
-    /**  readTemp() -- Read the temperature output register.
-    *  This function will read two temperature output registers.
-    *  The combined readings are stored in the class' temperature variables. Read
-    *  those _after_ calling readTemp().
-	*/
-    void readTemp();
-    
-    /**  setGyroScale() -- Set the full-scale range of the gyroscope.
-    *  This function can be called to set the scale of the gyroscope to 
-    *  245, 500, or 200 degrees per second.
-    *  Input:
-    *   - gScl = The desired gyroscope scale. Must be one of three possible
-    *       values from the gyro_scale enum.
-	*/
-    void setGyroScale(gyro_scale gScl);
-    
-    /**  setAccelScale() -- Set the full-scale range of the accelerometer.
-    *  This function can be called to set the scale of the accelerometer to
-    *  2, 4, 6, 8, or 16 g's.
-    *  Input:
-    *   - aScl = The desired accelerometer scale. Must be one of five possible
-    *       values from the accel_scale enum.
-	*/
-    void setAccelScale(accel_scale aScl);
-    
-    /**  setMagScale() -- Set the full-scale range of the magnetometer.
-    *  This function can be called to set the scale of the magnetometer to
-    *  2, 4, 8, or 12 Gs.
-    *  Input:
-    *   - mScl = The desired magnetometer scale. Must be one of four possible
-    *       values from the mag_scale enum.
-	*/
-    void setMagScale(mag_scale mScl);
-    
-    /**  setGyroODR() -- Set the output data rate and bandwidth of the gyroscope
-    *  Input:
-    *   - gRate = The desired output rate and cutoff frequency of the gyro.
-    *       Must be a value from the gyro_odr enum (check above, there're 14).
-	*/
-    void setGyroODR(gyro_odr gRate);
-    
-    /**  setAccelODR() -- Set the output data rate of the accelerometer
-    *  Input:
-    *   - aRate = The desired output rate of the accel.
-    *       Must be a value from the accel_odr enum (check above, there're 11).
-	*/
-    void setAccelODR(accel_odr aRate);
-    
-    /**  setMagODR() -- Set the output data rate of the magnetometer
-    *  Input:
-    *   - mRate = The desired output rate of the mag.
-    *       Must be a value from the mag_odr enum (check above, there're 6).
-	*/
-    void setMagODR(mag_odr mRate);
-    
-    /**  configGyroInt() -- Configure the gyro interrupt output.
-    *  Triggers can be set to either rising above or falling below a specified
-    *  threshold. This function helps setup the interrupt configuration and 
-    *  threshold values for all axes.
-    *  Input:
-    *   - int1Cfg = A 8-bit value that is sent directly to the INT1_CFG_G
-    *       register. This sets AND/OR and high/low interrupt gen for each axis
-    *   - int1ThsX = 16-bit interrupt threshold value for x-axis
-    *   - int1ThsY = 16-bit interrupt threshold value for y-axis
-    *   - int1ThsZ = 16-bit interrupt threshold value for z-axis
-    *   - duration = Duration an interrupt holds after triggered. This value
-    *       is copied directly into the INT1_DURATION_G register.
-    *  Before using this function, read about the INT1_CFG_G register and
-    *  the related INT1* registers in the LMS9DS0 datasheet.
-	*/
-    void configGyroInt(uint8_t int1Cfg, uint16_t int1ThsX = 0,
-                          uint16_t int1ThsY = 0, uint16_t int1ThsZ = 0, 
-                          uint8_t duration = 0);
-                          
-    void calcBias();
-
-	*  return a comass heading (in degrees) using X/Y magnetometer data
-	float calcHeading();
-
-
-private:    
-    /**  xmAddress and gAddress store the I2C address
-    *  for each sensor.
-	*/
-    uint8_t xmAddress, gAddress;
-    
-    /**  gScale, aScale, and mScale store the current scale range for each 
-    *  sensor. Should be updated whenever that value changes.
-	*/
-    gyro_scale gScale;
-    accel_scale aScale;
-    mag_scale mScale;
-    
-    /**  gRes, aRes, and mRes store the current resolution for each sensor. 
-    *  Units of these values would be DPS (or g's or Gs's) per ADC tick.
-    *  This value is calculated as (sensor scale) / (2^15).
-	*/
-    float gRes, aRes, mRes;
-    
-    /**  initGyro() -- Sets up the gyroscope to begin reading.
-    *  This function steps through all five gyroscope control registers.
-    *  Upon exit, the following parameters will be set:
-    *   - CTRL_REG1_G = 0x0F: Normal operation mode, all axes enabled. 
-    *       95 Hz ODR, 12.5 Hz cutoff frequency.
-    *   - CTRL_REG2_G = 0x00: HPF set to normal mode, cutoff frequency
-    *       set to 7.2 Hz (depends on ODR).
-    *   - CTRL_REG3_G = 0x88: Interrupt enabled on INT_G (set to push-pull and
-    *       active high). Data-ready output enabled on DRDY_G.
-    *   - CTRL_REG4_G = 0x00: Continuous update mode. Data LSB stored in lower
-    *       address. Scale set to 245 DPS. SPI mode set to 4-wire.
-    *   - CTRL_REG5_G = 0x00: FIFO disabled. HPF disabled.
-	*/
-    void initGyro();
-    
-    /**  initAccel() -- Sets up the accelerometer to begin reading.
-    *  This function steps through all accelerometer related control registers.
-    *  Upon exit these registers will be set as:
-    *   - CTRL_REG0_XM = 0x00: FIFO disabled. HPF bypassed. Normal mode.
-    *   - CTRL_REG1_XM = 0x57: 100 Hz data rate. Continuous update.
-    *       all axes enabled.
-    *   - CTRL_REG2_XM = 0x00: +/- 2g scale. 773 Hz anti-alias filter BW.
-    *   - CTRL_REG3_XM = 0x04: Accel data ready signal on INT1_XM pin.
-	*/
-    void initAccel();
-    
-    /**  initMag() -- Sets up the magnetometer to begin reading.
-    *  This function steps through all magnetometer-related control registers.
-    *  Upon exit these registers will be set as:
-    *   - CTRL_REG4_XM = 0x04: Mag data ready signal on INT2_XM pin.
-    *   - CTRL_REG5_XM = 0x14: 100 Hz update rate. Low resolution. Interrupt
-    *       requests don't latch. Temperature sensor disabled.
-    *   - CTRL_REG6_XM = 0x00: +/- 2 Gs scale.
-    *   - CTRL_REG7_XM = 0x00: Continuous conversion mode. Normal HPF mode.
-    *   - INT_CTRL_REG_M = 0x09: Interrupt active-high. Enable interrupts.
-	*/
-    void initMag();
-    
-    /**  gReadByte() -- Reads a byte from a specified gyroscope register.
-    *  Input:
-    *   - subAddress = Register to be read from.
-    *  Output:
-    *   - An 8-bit value read from the requested address.
-	*/
-    uint8_t gReadByte(uint8_t subAddress);
-    
-    /**  gWriteByte() -- Write a byte to a register in the gyroscope.
-    *  Input:
-    *   - subAddress = Register to be written to.
-    *   - data = data to be written to the register.
-	*/
-    void gWriteByte(uint8_t subAddress, uint8_t data);
-    
-    /**  xmReadByte() -- Read a byte from a register in the accel/mag sensor
-    *  Input:
-    *   - subAddress = Register to be read from.
-    *  Output:
-    *   - An 8-bit value read from the requested register.
-	*/
-    uint8_t xmReadByte(uint8_t subAddress);
-    
-    /**  xmWriteByte() -- Write a byte to a register in the accel/mag sensor.
-    *  Input:
-    *   - subAddress = Register to be written to.
-    *   - data = data to be written to the register.
-	*/
-    void xmWriteByte(uint8_t subAddress, uint8_t data);
-    
-    /**  calcgRes() -- Calculate the resolution of the gyroscope.
-    *  This function will set the value of the gRes variable. gScale must
-    *  be set prior to calling this function.
-	*/
-    void calcgRes();
-    
-    /**  calcmRes() -- Calculate the resolution of the magnetometer.
-    *  This function will set the value of the mRes variable. mScale must
-    *  be set prior to calling this function.
-	*/
-    void calcmRes();
-    
-    /**  calcaRes() -- Calculate the resolution of the accelerometer.
-    *  This function will set the value of the aRes variable. aScale must
-    *  be set prior to calling this function.
-	*/
-    void calcaRes();
-    
-    
-    ///////////////////
-    // I2C Functions //
-    ///////////////////
-	I2C i2c;
-
-    
-    /**  I2CwriteByte() -- Write a byte out of I2C to a register in the device
-    *  Input:
-    *   - address = The 7-bit I2C address of the slave device.
-    *   - subAddress = The register to be written to.
-    *   - data = Byte to be written to the register.
-	*/
-    void I2CwriteByte(char address, char subAddress, char data);
-    
-    /**  I2CreadByte() -- Read a single byte from a register over I2C.
-    *  Input:
-    *   - address = The 7-bit I2C address of the slave device.
-    *   - subAddress = The register to be read from.
-    *  Output:
-    *   - The byte read from the requested address.
-	*/
-    uint8_t I2CreadByte(char address, char subAddress);
-};
-
-#endif // _LSM9DS0_H //
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LSM9DS0.lib	Mon Jan 26 06:39:49 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/aswild/code/LSM9DS0/#7c1e26d377ed