mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
14 lines
400 B
C
14 lines
400 B
C
#include <stdint.h>
|
|
#include <cc430x613x.h>
|
|
#include <cc430-adc.h>
|
|
|
|
uint32_t battery_get_voltage(void) {
|
|
uint32_t voltage;
|
|
voltage = adc12_single_conversion(REFVSEL_1, ADC12SHT0_10, ADC12INCH_11);
|
|
|
|
/* Ideally we have A11=0->AVCC=0V ... A11=4095(2^12-1)->AVCC=4V
|
|
* --> (A11/4095)*4V=AVCC --> AVCC=(A11*4)/4095 */
|
|
voltage = (voltage * 2 * 2 * 1000) / 4095;
|
|
return voltage;
|
|
}
|