int main(int argc, char *argv[]) {
if (argc != 2) {
puts("Path to COM port required.\n");
return 1;
}
if (ow_init(argv[1])) {
puts("Bus INIT failed. Check COM port.\n");
return 1;
}
uint8_t c = 0, diff = OW_SEARCH_FIRST;
int16_t temp_dc;
while (diff != OW_LAST_DEVICE) {
DS18X20_find_sensor(&diff, id);
if (diff == OW_ERR_PRESENCE) {
puts("All sensors are offline now.\n");
ow_finit();
return 1;
}
if (diff == OW_ERR_DATA) {
puts("Bus error.\n");
ow_finit();
return 1;
}
fprintf(stdout, "Bus %s Device %03u Type 0x%02hx (%s) ID %02hx%02hx%02hx%02hx%02hx%02hx CRC 0x%02hx ", \
argv[1], c, id[0], get_type_by_id(id[0]), id[6], id[5], id[4], id[3], id[2], id[1], id[7]);
fflush(stdout);
c ++;
if (DS18X20_start_meas(DS18X20_POWER_EXTERN, NULL) == DS18X20_OK) {
while (DS18X20_conversion_in_progress() == DS18X20_CONVERTING) {
delay_ms(100); /* It will take a while */
}
if (DS18X20_read_decicelsius(id, &temp_dc) == DS18X20_OK) {
/* Copied from my MCU code, so no float point */
fprintf(stdout, "TEMP %3d.%01d C\n", temp_dc / 10, temp_dc > 0 ? temp_dc % 10 : -temp_dc % 10);
continue;
}
}
puts("MEASURE FAILED!\n");
}
puts("Sensors listed.\n");
ow_finit();
return 0;
}
void hw_read_tick(Context * ctx)
{
/* DS */
if (DS18X20_conversion_in_progress() == DS18X20_CONVERSION_DONE) {
if (DS18X20_read_decicelsius_single(DS18B20_FAMILY_CODE, &ctx->t1) == DS18X20_OK) {
ctx->temp_status = DS_OK;
} else {
ctx->temp_status = DS_READ_ERROR;
}
if (DS18X20_start_meas(DS18X20_POWER_EXTERN, NULL) != DS18X20_OK) {
ctx->temp_status = DS_MEAS_ERROR;
}
}
}
