samples: sensor: ds18b20: clearly indicate any errors
Any errors are clearly indicated and program execution
ended.
Signed-off-by: Thomas Stranger <thomas.stranger@outlook.com>
diff --git a/samples/sensor/ds18b20/src/main.c b/samples/sensor/ds18b20/src/main.c
index f2d3817..c89b9a7 100644
--- a/samples/sensor/ds18b20/src/main.c
+++ b/samples/sensor/ds18b20/src/main.c
@@ -37,19 +37,30 @@
int main(void)
{
const struct device *dev = get_ds18b20_device();
+ int res;
if (dev == NULL) {
return 0;
}
- while (1) {
+ while (true) {
struct sensor_value temp;
- sensor_sample_fetch(dev);
- sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp);
+ res = sensor_sample_fetch(dev);
+ if (res != 0) {
+ printk("sample_fetch() failed: %d\n", res);
+ return res;
+ }
+
+ res = sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp);
+ if (res != 0) {
+ printk("channel_get() failed: %d\n", res);
+ return res;
+ }
printk("Temp: %d.%06d\n", temp.val1, temp.val2);
k_sleep(K_MSEC(2000));
}
+
return 0;
}
