Matthias Levasseur
/
INA219
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INA219
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Components
Revision 1:3ba6b3eb0a5a, committed 2016-03-30
- Comitter:
- MLev
- Date:
- Wed Mar 30 14:09:41 2016 +0000
- Parent:
- 0:eee9c8ba72ff
- Commit message:
- hop !;
Changed in this revision
| INA219.cpp | Show annotated file Show diff for this revision Revisions of this file |
| INA219.hpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r eee9c8ba72ff -r 3ba6b3eb0a5a INA219.cpp
--- a/INA219.cpp Thu Aug 28 10:32:20 2014 +0000
+++ b/INA219.cpp Wed Mar 30 14:09:41 2016 +0000
@@ -73,7 +73,7 @@
// Set current divider
current_divider = 20;
- power_divider = 1;
+ power_divider = 2000;
}
int16_t INA219::read_current_raw()
@@ -85,4 +85,15 @@
{
float raw_current = read_current_raw();
return raw_current / current_divider;
+}
+
+int16_t INA219::read_bus_voltage_raw()
+{
+ return (int16_t)read_register_u16(INA219_REG_BUSVOLTAGE);
+}
+
+float INA219::read_bus_voltage()
+{
+ float raw_volt = read_bus_voltage_raw();
+ return (raw_volt * 0.0005) ;
}
\ No newline at end of file
diff -r eee9c8ba72ff -r 3ba6b3eb0a5a INA219.hpp
--- a/INA219.hpp Thu Aug 28 10:32:20 2014 +0000
+++ b/INA219.hpp Wed Mar 30 14:09:41 2016 +0000
@@ -93,7 +93,7 @@
* @returns
* A value between -32768 and +32768 corresponding to the bus voltage.
*/
- //int16_t read_bus_voltage_raw();
+ int16_t read_bus_voltage_raw();
/** Reads the bus voltage and uses it to calculate the actual bus voltage.
*
* @see read_bus_voltage_raw
@@ -101,7 +101,7 @@
* @returns
* A floating point value corresponding to the voltage of V+ (in V).
*/
- //float read_bus_voltage();
+ float read_bus_voltage();
/** Sets the calibration register.
*
@@ -115,7 +115,7 @@
int i2c_addr;
int current_divider;
- int power_divider;
+ float power_divider;
//...
/** Writes a uint8_t array to the specified I2C register.