static void
metar_tok_temp (gchar *tokp, WeatherInfo *info)
{
gchar *ptemp, *pdew, *psep;
psep = strchr (tokp, '/');
*psep = 0;
ptemp = tokp;
pdew = psep + 1;
info->temp = (*ptemp == 'M') ? TEMP_C_TO_F (-atoi (ptemp + 1))
: TEMP_C_TO_F (atoi (ptemp));
if (*pdew) {
info->dew = (*pdew == 'M') ? TEMP_C_TO_F (-atoi (pdew + 1))
: TEMP_C_TO_F (atoi (pdew));
} else {
info->dew = -1000.0;
}
}
/*****************************************************************************
* Method: oneWireTask
* Description: This method runs the oneWire task
****************************************************************************/
void oneWire::oneWireTask (void)
{
static uint8_t runs = 0;
uint8_t low_byte, high_byte;
int16_t temp;
int32_t temp_f;
//if ((runs % 5) == 0)
//{
//DBG(this->p_serial, "\r\noneWire Task Running on device: %d\r\n", dev_id);
// perform temperature conversion
reset();
write_byte(0xCC); // skip ROM
write_byte(0x44); // single temp conversion
// read in scratch pad
reset();
write_byte(0xCC); // skip ROM
write_byte(0xBE); // read scratchpad
// read temperature
low_byte = read_byte();
high_byte = read_byte();
temp = (high_byte << BYTE_SHIFT) | low_byte;
temp = convert_temp(temp);
temp_f = TEMP_C_TO_F((int32_t)temp);
// update global value
if (dev_id == ID_SURFACE_TEMP)
{
surf_temp = temp_f;
}
else if (dev_id == ID_UNDERWATER_TEMP)
{
sub_temp = temp_f;
}
//DBG(this->p_serial, "Temp sensor %d: %d.%02dC or %ld.%02ldF\r\n",
// dev_id,
// (temp / 100), (temp % 100),
// (temp_f / 100), (temp_f % 100));
//}
runs++;
}
static inline void
read_temperature (GWeatherInfo *info,
xmlNodePtr node)
{
xmlChar *unit;
xmlChar *val;
double celsius;
unit = xmlGetProp (node, XC("unit"));
if (unit == NULL || strcmp ((char*)unit, "celsius"))
return;
val = xmlGetProp (node, XC("value"));
if (val == NULL)
return;
celsius = g_ascii_strtod ((char*) val, NULL);
info->priv->temp = TEMP_C_TO_F (celsius);
}
