added guhRF; added atmega256rfr2 support

This commit is contained in:
Boernsman 2016-03-19 14:18:51 +01:00 committed by Ralf Schlatterbeck
parent 9a3c6adf8d
commit 79df347afa
115 changed files with 13276 additions and 23 deletions

View file

@ -0,0 +1,55 @@
#include "contiki.h"
#include "batmon.h"
#include <util/delay.h>
int8_t batmon_init()
{
return 0;
}
int8_t batmon_get_voltage(uint16_t* voltage)
{
uint16_t volt = 0;
uint16_t resolution = 75;
uint16_t offset = 2550;
int8_t ctr = 0;
BATMON = 0 | _BV(BATMON_HR);
_delay_us(2);
if(BATMON & _BV(BATMON_OK))
{
// voltage above 2.550 V
resolution = 75;
offset = 2550;
for(ctr=15; ctr>=0; ctr--)
{
BATMON = (BATMON & 0xF0) | (ctr);
_delay_us(2);
if(BATMON & _BV(BATMON_OK)) break;
}
}
else
{
// voltage below 2.550 V
resolution = 50;
offset = 1700;
BATMON &= ~_BV(BATMON_HR);
for(ctr=15; ctr>=0; ctr--)
{
BATMON = (BATMON & 0xF0) | (ctr);
_delay_us(2);
if(BATMON & _BV(BATMON_OK)) break;
}
}
volt = resolution*ctr+offset;
*voltage=volt;
return 0;
}