Components / MPL3115A2

Llibrary for the WiGo MPL3115A2, I2C Precision Altimeter sensor. This is a temp fork

Dependents:   sensor AerCloud_MutliTech_Socket_Modem_Example Freescale_Multi-Sensor_Shield 2lemetry_Sensor_Example ... more

Fork of MPL3115A2 by clemente di caprio

Diff: MPL3115A2.cpp

Revision:
5:9edec5ee8bf4
Parent:
4:fdf14a259af8
Child:
6:03c24251e500
--- a/MPL3115A2.cpp	Thu May 30 07:27:24 2013 +0000
+++ b/MPL3115A2.cpp	Thu Aug 22 12:03:19 2013 +0000
@@ -309,9 +309,9 @@
     float faltm;
     
     /*
-    * dt[0] = Bits 12-19 of 20-bit real-time Pressure sample. (b7-b0)
-    * dt[1] = Bits 4-11 of 20-bit real-time Pressure sample. (b7-b0)
-    * dt[2] = Bits 0-3 of 20-bit real-time Pressure sample (b7-b4)
+    * dt[0] = Bits 12-19 of 20-bit real-time Altitude sample. (b7-b0)
+    * dt[1] = Bits 4-11 of 20-bit real-time Altitude sample. (b7-b0)
+    * dt[2] = Bits 0-3 of 20-bit real-time Altitude sample (b7-b4)
     */
     readRegs( REG_ALTIMETER_MSB, &dt[0], 3);
     altm = (dt[0]<<8) | dt[1];
@@ -377,6 +377,57 @@
 
 }
 
+unsigned int MPL3115A2::getAllDataRaw( unsigned char *dt)
+{
+    if ( MPL3115A2_mode == ALTIMETER_MODE) {
+        getAltimeterRaw( &dt[0]);               // 3 bytes
+    } else {
+        getPressureRaw( &dt[0]);                   // 3 bytes
+    }
+    
+    getTemperatureRaw( &dt[3]);                    // 2 bytes
+    
+    return 1;
+}
+
+unsigned int MPL3115A2::getAltimeterRaw( unsigned char *dt)
+{
+    
+    /*
+    * dt[0] = Bits 12-19 of 20-bit real-time Pressure sample. (b7-b0)
+    * dt[1] = Bits 4-11 of 20-bit real-time Pressure sample. (b7-b0)
+    * dt[2] = Bits 0-3 of 20-bit real-time Pressure sample (b7-b4)
+    */
+    readRegs( REG_ALTIMETER_MSB, &dt[0], 3);
+
+    return 1;
+}
+
+unsigned int  MPL3115A2::getPressureRaw( unsigned char *dt)
+{
+    
+    /*
+    * dt[0] = Bits 12-19 of 20-bit real-time Pressure sample. (b7-b0)
+    * dt[1] = Bits 4-11 of 20-bit real-time Pressure sample. (b7-b0)
+    * dt[2] = Bits 0-3 of 20-bit real-time Pressure sample (b7-b4)
+    */
+    readRegs( REG_PRESSURE_MSB, &dt[0], 3);
+
+    return 1;
+}
+
+unsigned int MPL3115A2::getTemperatureRaw( unsigned char *dt)
+{
+    
+    /*
+    * dt[0] = Bits 4-11 of 16-bit real-time temperature sample. (b7-b0)
+    * dt[1] = Bits 0-3 of 16-bit real-time temperature sample. (b7-b4)
+    */
+    readRegs( REG_TEMP_MSB, &dt[0], 2);
+
+    return 1;
+}
+
 void MPL3115A2::readRegs(int addr, uint8_t * data, int len) {
     char t[1] = {addr};
     m_i2c.write(m_addr, t, 1, true);