MAXREFDES70# Code Documentation
V02.00
High-precision long battery life heat/flow meter
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#include "batteryLevel.h"
#include "em_chip.h"
#include "em_device.h"
#include "em_cmu.h"
#include "em_system.h"
#include "em_vcmp.h"
Go to the source code of this file.
Functions | |
void | WaitForComparatorUpdate () |
Wait for comparator propagation delay. | |
int | batteryLevel (void) |
Check battery voltage (connected to EFM32 VDDIO). | |
int batteryLevel | ( | void | ) |
Check battery voltage (connected to EFM32 VDDIO).
Continuously compare battery voltage against a VCMP trigger level, if VCMPOUT is negative, use that level as battery voltage.
Definition at line 76 of file batteryLevel.c.
void WaitForComparatorUpdate | ( | ) |
Wait for comparator propagation delay.
Definition at line 58 of file batteryLevel.c.