Magnetometer, accelerometer, and altimeter example for NXP Rapid IoT prototyping kit. Read more at https://www.hackster.io/marcomerli/riotwear-mbed-2b2011 .

Dependencies:   FXOS8700 FXAS21002 MPL3115A2

Files at this revision

API Documentation at this revision

Comitter:
batman52
Date:
Wed Nov 20 23:27:04 2019 +0000
Parent:
78:ddf5cff958fa
Commit message:
example of how to read accelerometer, magnetometer, and altimeter for NXP rapid IoT prototyping kit

Changed in this revision

FXAS21002.lib Show annotated file Show diff for this revision Revisions of this file
FXOS8700.lib Show annotated file Show diff for this revision Revisions of this file
MPL3115A2.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FXAS21002.lib	Wed Nov 20 23:27:04 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/AswinSivakumar/code/FXAS21002/#c9ebfc81e8b6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FXOS8700.lib	Wed Nov 20 23:27:04 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/AswinSivakumar/code/FXOS8700/#df2167370234
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MPL3115A2.lib	Wed Nov 20 23:27:04 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/NXP/code/MPL3115A2/#c705222de18d
--- a/main.cpp	Wed Nov 20 21:33:47 2019 +0000
+++ b/main.cpp	Wed Nov 20 23:27:04 2019 +0000
@@ -1,14 +1,89 @@
+/* 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 "FXAS21002.h"
+#include "FXOS8700.h"  
+#include "MPL3115.h" 
 #include "mbed.h"
+ 
+// Initialize Serial port
+//Serial pc(USBTX, USBRX);
 
-DigitalOut led_red(LED_RED, 1);       //     LED1 = LED_RED,  1 --> OFF, 0 --> ON
-DigitalOut led_blue(LED_BLUE, 1);     //     LED3 = LED_BLUE, 1 --> OFF, 0 --> ON
+// Initialize pins for I2C communication for sensors. Set jumpers J6,J7 in FRDM-STBC-AGM01 board accordingly.
+//    I2C_SCL = PTC10,  I2C_SDA = PTC11,
+FXOS8700  accel(I2C_SDA , I2C_SCL );
+FXOS8700    mag(I2C_SDA , I2C_SCL );
+FXAS21002  gyro(I2C_SDA , I2C_SCL );
+MPL3115 mpl3115(I2C_SDA , I2C_SCL );
 
-// main() runs in its own thread in the OS
-int main() {
-    while (true) {
-        led_red = !led_red;
-        led_blue = !led_red;
-        wait(0.5);
-    }
+#define SHORT_WAIT 0.1
+#define LONG_WAIT  1.0
+     
+int main()
+{     
+ 
+// Configure Accelerometer FXOS8700, Magnetometer FXOS8700 & Gyroscope FXAS21002
+    accel.accel_config();
+    mag.mag_config();
+    gyro.gyro_config();
+    mpl3115.MPL3115_config();
+ 
+    //pc.baud(115200);
+    
+    float accel_data[3];
+    float accel_rms=0.0;
+    float mag_data[3];
+    float mag_rms=0.0;
+    float gyro_data[3];
+    float gyro_rms=0.0;
+    float alt_data[3];
+    float alt_rms=0.0;
+       
+    printf("\n\rBegin Data Acquisition....\n\r");
+    wait(5.0);    
+    
+    while(1)
+    {
+      accel.acquire_accel_data_g(accel_data);
+      wait(SHORT_WAIT);
+      printf("Accelleration: X:%4.2f, Y:%4.2f, Z:%4.2f\n\r",accel_data[0],accel_data[1],accel_data[2]);
+      accel_rms = sqrt(((accel_data[0]*accel_data[0])+(accel_data[1]*accel_data[1])+(accel_data[2]*accel_data[2]))/3);
+      printf("\n\rAccelleration RMS: %4.2f\n\r",accel_rms);
+
+      mag.acquire_mag_data_uT(mag_data);
+      printf("Magnetics readings: X:%4.2f, Y:%4.2f, Z:%4.2f\n\r",mag_data[0],mag_data[1],mag_data[2]);
+      mag_rms = sqrt(((mag_data[0]*mag_data[0])+(mag_data[1]*mag_data[1])+(mag_data[2]*mag_data[2]))/3);
+      printf("Magnetic RMS: %4.2f\n\r",mag_rms);
+      wait(SHORT_WAIT);
+      
+      gyro.acquire_gyro_data_dps(gyro_data);
+      printf("Gyroscope readings: X:%4.2f, Y:%4.2f, Z:%4.2f\n\r",gyro_data[0],gyro_data[1],gyro_data[2]);
+      gyro_rms = sqrt(((gyro_data[0]*gyro_data[0])+(gyro_data[1]*gyro_data[1])+(gyro_data[2]*gyro_data[2]))/3);
+      printf("Gyroscopic RMS: %4.2f\n\r",gyro_rms);
+      wait(SHORT_WAIT);
+      
+      mpl3115.acquire_MPL3115_data_Altitude_in_m(alt_data);
+      printf("Altitude: \t%f\n\r",alt_data[0]);
+      alt_rms = sqrt(((alt_data[0]*alt_data[0])+(alt_data[1]*alt_data[1])+(alt_data[2]*alt_data[2]))/3);
+      printf("Altitude RMS: %4.2f\n\r",alt_rms);
+      wait(SHORT_WAIT);
+
+      wait(LONG_WAIT);
+         
+     }
+      
 }
-