MPL3115A2 Pressure sensor library

Dependents:   FRDM-FXS-MULTI2-B_SensorShield_HelloWorld

Files at this revision

API Documentation at this revision

Comitter:
AswinSivakumar
Date:
Sat Jan 23 00:07:22 2016 +0000
Child:
1:423fad528a24
Commit message:
First commit

Changed in this revision

MPL3115.cpp Show annotated file Show diff for this revision Revisions of this file
MPL3115.h Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MPL3115.cpp	Sat Jan 23 00:07:22 2016 +0000
@@ -0,0 +1,54 @@
+ /* 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;
+  
+  
+ }
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MPL3115.h	Sat Jan 23 00:07:22 2016 +0000
@@ -0,0 +1,46 @@
+ /* 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.
+*/
+
+#ifndef MPL3115_H
+#define MPL3115_H
+#include "mbed.h"
+
+#define MPL3115_I2C_ADDRESS (0x60<<1)
+
+#define MPL3115_STATUS 0x00
+#define MPL3115_WHO_AM_I 0x0C
+#define MPL3115_CTRL_REG1 0x26
+#define MPL3115_CTRL_REG2 0x27
+#define MPL3115_WHO_AM_I_VALUE 0xC4
+
+class MPL3115
+{
+    public:
+    
+    MPL3115(PinName sda, PinName scl);
+      
+    void MPL3115_config(void);
+        
+    void acquire_MPL3115_data_Altitude_in_m(float * du);
+    
+    private:
+    I2C MPL3115_i2c;
+    
+};
+
+#endif
\ No newline at end of file