Texas Instruments MSP430

345
#define convert_T 0x44
#define read_scratchpad 0xBE
#define write_scratchpad 0x4E
#define copy_scratchpad 0x48
#define recall_E2 0xB8
#define read_power_supply 0xB4
#define skip_ROM 0xCC
#define resolution 12
void DS18B20_init(void);
float DS18B20_get_temperature(void);
DS18B20.c
#include "DS18B20.h"
void DS18B20_init(void)
{
onewire_reset();
delay_ms(100);
}
float DS18B20_get_temperature(void)
{
unsigned char msb = 0x00;
unsigned char lsb = 0x00;
register float temp = 0.0;
onewire_reset();
onewire_write(skip_ROM);
onewire_write(convert_T);
switch(resolution)
{
case 12:
{
delay_ms(750);
break;
}
case 11:
{
delay_ms(375);
break;
}
case 10:
{
delay_ms(188);
break;
}
case 9:
{
delay_ms(94);
break;