Jim Carver / FXOS8700Q

A basic library for the FXOS8700Q combination accelerometer / magnetometer

Dependencies:   MotionSensor

Dependents:   K64F_eCompass_LCD Hello_FXOS8700Q rtos_compass K64F_eCompass ... more

This library supports the 6 axis combination Accelerometer / Magnetometer. Functions are provided to retrieve data in raw 16 bit signed integers or unit converted G's and micro-teslas

Diff: FXOS8700Q.cpp

Revision:
5:c4176a12f7d5
Parent:
4:be6abf9f2d59
Child:
6:cdc362f08339
diff -r be6abf9f2d59 -r c4176a12f7d5 FXOS8700Q.cpp
--- a/FXOS8700Q.cpp	Sat Apr 19 00:16:49 2014 +0000
+++ b/FXOS8700Q.cpp	Wed Apr 23 17:12:15 2014 +0000
@@ -20,7 +20,7 @@
 #define UINT14_MAX        16383
 
 
-FXOS8700Q::FXOS8700Q(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr) {
+FXOS8700Q_acc::FXOS8700Q_acc(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr) {
     // activate the peripheral
     uint8_t data[2] = {FXOS8700Q_CTRL_REG1, 0x00};
     m_i2c.frequency(400000);
@@ -40,34 +40,34 @@
 }
 
 
-FXOS8700Q::~FXOS8700Q() { }
+FXOS8700Q_acc::~FXOS8700Q_acc() { }
 
-uint8_t FXOS8700Q::getWhoAmI() {
+uint8_t FXOS8700Q_acc::getWhoAmI() {
     uint8_t who_am_i = 0;
     readRegs(FXOS8700Q_WHOAMI, &who_am_i, 1);
     return who_am_i;
 }
 
-float FXOS8700Q::getAccX() {
+float FXOS8700Q_acc::getAccX() {
     return (float(getAccAxis(FXOS8700Q_OUT_X_MSB))/4096.0);
 }
 
-float FXOS8700Q::getAccY() {
+float FXOS8700Q_acc::getAccY() {
     return (float(getAccAxis(FXOS8700Q_OUT_Y_MSB))/4096.0);
 }
 
-float FXOS8700Q::getAccZ() {
+float FXOS8700Q_acc::getAccZ() {
     return (float(getAccAxis(FXOS8700Q_OUT_Z_MSB))/4096.0);
 }
 
 
-void FXOS8700Q::getAccAllAxis(float * res) {
-    res[0] = getAccX();
-    res[1] = getAccY();
-    res[2] = getAccZ();
+void FXOS8700Q_acc::getAxis(MotionSensorDataUnits * data) {
+    data->x = getAccX();
+    data->y = getAccY();
+    data->z = getAccZ();
 }
 
-void FXOS8700Q::AccXYZraw(int16_t * d) {
+void FXOS8700Q_acc::getAxis(MotionSensorDataCounts * data {
     int16_t acc;
     uint8_t res[6];
     readRegs(FXOS8700Q_OUT_X_MSB, res, 6);
@@ -75,18 +75,18 @@
     acc = (res[0] << 6) | (res[1] >> 2);
     if (acc > UINT14_MAX/2)
         acc -= UINT14_MAX;
-    d[0] = acc;
+    data->x = acc;
     acc = (res[2] << 6) | (res[3] >> 2);
     if (acc > UINT14_MAX/2)
         acc -= UINT14_MAX;
-    d[1] = acc;
+    data->y = acc;
     acc = (res[4] << 6) | (res[5] >> 2);
     if (acc > UINT14_MAX/2)
         acc -= UINT14_MAX;
-    d[2] = acc;
+    data->z = acc;
 }
 
-void FXOS8700Q::MagXYZraw(int16_t * d) {
+void FXOS8700Q_acc::MagXYZraw(int16_t * d) {
     int16_t acc;
     uint8_t res[6];
     readRegs(FXOS8700Q_M_OUT_X_MSB, res, 6);
@@ -96,7 +96,7 @@
     d[2] = (res[4] << 8) | res[5];
 }
 
-void FXOS8700Q::getMagAllAxis(float * res) {
+void FXOS8700Q_acc::getMagAllAxis(float * res) {
     int16_t raw[3];
     MagXYZraw( raw);
     res[0] = (float) raw[0] * 0.1f;
@@ -104,7 +104,7 @@
     res[2] = (float) raw[2] * 0.1f;
 }        
     
-int16_t FXOS8700Q::getAccAxis(uint8_t addr) {
+int16_t FXOS8700Q_acc::getAccAxis(uint8_t addr) {
     int16_t acc;
     uint8_t res[2];
     readRegs(addr, res, 2);
@@ -116,13 +116,13 @@
     return acc;
 }
 
-void FXOS8700Q::readRegs(int addr, uint8_t * data, int len) {
+void FXOS8700Q_acc::readRegs(int addr, uint8_t * data, int len) {
     char t[1] = {addr};
     m_i2c.write(m_addr, t, 1, true);
     m_i2c.read(m_addr, (char *)data, len);
 }
 
-void FXOS8700Q::writeRegs(uint8_t * data, int len) {
+void FXOS8700Q_acc::writeRegs(uint8_t * data, int len) {
     m_i2c.write(m_addr, (char *)data, len);
 }