Nilli Martínez
/
INA219
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INA219
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Components
Revision 1:044908c80119, committed 2017-03-25
- Comitter:
- NilliM
- Date:
- Sat Mar 25 01:44:05 2017 +0000
- Parent:
- 0:eee9c8ba72ff
- Commit message:
- Super;
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 044908c80119 INA219.cpp
--- a/INA219.cpp Thu Aug 28 10:32:20 2014 +0000
+++ b/INA219.cpp Sat Mar 25 01:44:05 2017 +0000
@@ -85,4 +85,14 @@
{
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)>>3)*4;
+}
+
+float INA219::read_bus_voltage()
+{
+ float raw_voltage = read_bus_voltage_raw();
+ return raw_voltage*0.001;
}
\ No newline at end of file
diff -r eee9c8ba72ff -r 044908c80119 INA219.hpp
--- a/INA219.hpp Thu Aug 28 10:32:20 2014 +0000
+++ b/INA219.hpp Sat Mar 25 01:44:05 2017 +0000
@@ -76,7 +76,7 @@
* @returns
* A value between -32768 and +32768. Depending on the calibration and configuration register values, the actual shunt voltage can be calculated.
*/
- //int16_t read_shunt_voltage_raw();
+ int16_t read_shunt_voltage_raw();
/** Reads the shunt voltage from the INA219 and calculates the actual value in mV.
*
* @see read_shunt_voltage_raw
@@ -84,7 +84,7 @@
* @returns
* A floating point value corresponding to the potential difference across the current shunt, in mV.
*/
- //float read_shunt_voltage_mV();
+ float read_shunt_voltage_mV();
/** Reads the raw bus voltage.
*
@@ -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.
*