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use batmon in battery_sensor

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harald42 2013-08-20 13:34:01 +02:00 committed by harald
parent ff227b7a04
commit b6bea56c27
3 changed files with 15 additions and 11 deletions
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2
platform/osd-merkur/Makefile.osd-merkur
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@ -12,7 +12,7 @@ CONTIKI_TARGET_SOURCEFILES += dht11.c
#Needed for DS18S20 temperature sensor
CONTIKI_TARGET_SOURCEFILES += ds1820.c
#Needed for Battery test
CONTIKI_TARGET_SOURCEFILES += battery-sensor.c
CONTIKI_TARGET_SOURCEFILES += battery-sensor.c batmon.c
#Needed for PIR
CONTIKI_TARGET_SOURCEFILES += pir-sensor.c
#Needed for OPTRIAC

10
platform/osd-merkur/dev/batmon.c
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@ -17,10 +17,10 @@ int8_t batmon_get_voltage(uint16_t* voltage)
uint16_t offset = 2550;
int8_t ctr = 0;
BATMON = 0 | BV(BATMON_HR);
BATMON = 0 | _BV(BATMON_HR);
_delay_us(2);
if(BATMON & BV(BATMON_OK))
if(BATMON & _BV(BATMON_OK))
{
// voltage above 2.550 V
resolution = 75;
@ -29,7 +29,7 @@ int8_t batmon_get_voltage(uint16_t* voltage)
{
BATMON = (BATMON & 0xF0) | (ctr);
_delay_us(2);
if(BATMON & BV(BATMON_OK)) break;
if(BATMON & _BV(BATMON_OK)) break;
}
}
else
@ -38,13 +38,13 @@ int8_t batmon_get_voltage(uint16_t* voltage)
resolution = 50;
offset = 1700;
BATMON &= ~BV(BATMON_HR);
BATMON &= ~_BV(BATMON_HR);
for(ctr=15; ctr>=0; ctr--)
{
BATMON = (BATMON & 0xF0) | (ctr);
_delay_us(2);
if(BATMON & BV(BATMON_OK)) break;
if(BATMON & _BV(BATMON_OK)) break;
}
}

12
platform/osd-merkur/dev/battery-sensor.c
View file

@ -42,6 +42,7 @@
*/
#include "dev/battery-sensor.h"
#include "dev/batmon.h"
const struct sensors_sensor battery_sensor;
/*---------------------------------------------------------------------------*/
@ -52,20 +53,22 @@ const struct sensors_sensor battery_sensor;
static int
value(int type)
{
uint16_t h;
/*
uint8_t p1;
BATMON = 16; //give BATMON time to stabilize at highest range and lowest voltage
/* Bandgap can't be measured against supply voltage in this chip. */
/* Use BATMON register instead */
// Bandgap can't be measured against supply voltage in this chip.
// Use BATMON register instead
for ( p1=16; p1<31; p1++) {
BATMON = p1;
clock_delay_usec(100); // delay needed !!
if ((BATMON&(1<<BATMON_OK))==0) break;
}
h=2550-75*16-75+75*p1; //-75 to take the floor of the 75 mv transition window
*/
batmon_get_voltage(&h);
return h;
}
/*---------------------------------------------------------------------------*/
@ -73,6 +76,7 @@ static int
configure(int type, int c)
{
// No configuration needed. readADC() handles all the config needed.
batmon_init();
return type == SENSORS_ACTIVE;
}
/*---------------------------------------------------------------------------*/