NimbeLink / hts221

Changed hts221 into Class.

Dependents:   WeatherSensor-Joe PAG-CourseWork-NicksEdits SOFT253_Assignment SOFT253_Assignment_V2 ... more

Fork of hts221 by Kyle Rodgers

Files at this revision

API Documentation at this revision

Revision 2:6d7166d49741, committed 2016-02-10

Comitter:
kholland
Date:
Wed Feb 10 19:13:37 2016 +0000
Parent:
1:da79e74eadd1
Commit message:
Added powerMode function to put it in shutdown

Changed in this revision

hts221.cpp Show annotated file Show diff for this revision Revisions of this file
hts221.h Show annotated file Show diff for this revision Revisions of this file 
diff -r da79e74eadd1 -r 6d7166d49741 hts221.cpp
--- a/hts221.cpp	Fri Jul 24 15:21:28 2015 +0000
+++ b/hts221.cpp	Wed Feb 10 19:13:37 2016 +0000
@@ -136,4 +136,19 @@
    float b = (float) -a*x0 + y0;
    float cal = (float) a * mes + b;
    return cal;
+}
+void HTS221::powerMode(PowerMode mode)
+{
+    char reg;
+    
+    register_read(0x20, &reg, 1);
+
+    //Set or clear the SHUTDOWN bit
+    if (mode == POWER_SHUTDOWN) 
+        reg &= ~(PD_On);
+    else
+        reg |= PD_On;
+    
+    register_write(0x20 , reg); // Control register 1);
+
 }
\ No newline at end of file

diff -r da79e74eadd1 -r 6d7166d49741 hts221.h
--- a/hts221.h	Fri Jul 24 15:21:28 2015 +0000
+++ b/hts221.h	Wed Feb 10 19:13:37 2016 +0000
@@ -83,10 +83,15 @@
  
 class HTS221{
 public:
+    enum PowerMode {
+        POWER_NORMAL,   
+        POWER_SHUTDOWN  /**< Chip is in low-power shutdown mode */
+    };    
     HTS221 (PinName sda, PinName scl);
     void calib(void);
     bool init(void);
     void ReadTempHumi( float *pTemp , float *pHumi);
+    void powerMode(PowerMode mode);
     
 private:
     void register_write(uint8_t register_address, const uint8_t value);