sample: env_sensing: use NODELABEL

Use NODELABEL and a unified label for all sensors set in overlays, this
way we just address the temperature/humidity sensor using env_sensor.

Learned that today in Marti's device tree talk :-)

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

samples/sensor/env_sensing/sensor_overlay/bme280.overlay

@@ -12,7 +12,7 @@
  */
 &arduino_i2c {
 	status = "okay";
-	bme280@77 {
+	env_sensor: bme280@77 {
 		compatible = "bosch,bme280";
 		reg = <0x77>;
 		label = "BME280_I2C";

samples/sensor/env_sensing/sensor_overlay/bme280_spi.overlay

@@ -9,7 +9,7 @@
 &arduino_spi {
 	status = "okay";
 	cs-gpios = <&arduino_header 16 GPIO_ACTIVE_LOW>;
-	bme280@0 {
+	env_sensor: bme280@0 {
 		compatible = "bosch,bme280";
 		reg = <0>;
 		label = "BME280_SPI";

samples/sensor/env_sensing/sensor_overlay/bme680.overlay

@@ -6,7 +6,7 @@
 
 &arduino_i2c {
         status = "okay";
-        bme680@77 {
+        env_sensor: bme680@77 {
                 compatible = "bosch,bme680";
                 reg = <0x77>;
                 label = "BME680";

samples/sensor/env_sensing/sensor_overlay/dps310.overlay

@@ -9,7 +9,7 @@
  */
 
 &arduino_i2c {
-	DPS310@77 {
+	env_sensor: DPS310@77 {
 		status = "okay";
 		compatible = "infineon,dps310";
 		reg = <0x77>;

samples/sensor/env_sensing/sensor_overlay/ens210.overlay

@@ -7,7 +7,7 @@
 	status = "okay";
 	clock-frequency = <I2C_BITRATE_FAST>;
 
-	ens210: ens210@43 {
+	env_sensor: ens210@43 {
 		compatible = "ams,ens210";
 		reg = <0x43>;
 		label = "ENS210";

samples/sensor/env_sensing/sensor_overlay/hdc1080.overlay

@@ -6,7 +6,7 @@
 
 &arduino_i2c {
 
-	ti_hdc: ti_hdc@40 {
+	env_sensor: ti_hdc@40 {
 		compatible = "ti,hdc","ti,hdc1080";
 		reg = <0x40>;
 		label = "HDC1080";

samples/sensor/env_sensing/sensor_overlay/hts221.overlay

@@ -6,7 +6,7 @@
 
 &arduino_i2c {
 
-        hts221@5f {
+        env_sensor: hts221@5f {
                 compatible = "st,hts221";
                 reg = <0x5f>;
                 label = "HTS221";

samples/sensor/env_sensing/sensor_overlay/lps22hb-press.overlay

@@ -4,7 +4,7 @@
  */
 
 &arduino_i2c {
-        lps22hb-press@5d {
+        env_sensor: lps22hb-press@5d {
                 compatible = "st,lps22hb-press";
                 reg = <0x5d>;
                 label = "LPS22HB";

samples/sensor/env_sensing/sensor_overlay/lps22hh.overlay

@@ -5,7 +5,7 @@
  */
 
 &arduino_i2c {
-        lps22hh@5d {
+        env_sensor: lps22hh@5d {
                 compatible = "st,lps22hh";
                 reg = <0x5d>;
                 drdy-gpios =  <&arduino_header 12 GPIO_ACTIVE_HIGH>; /* D6 */

samples/sensor/env_sensing/sensor_overlay/max6675.overlay

@@ -5,7 +5,7 @@
  */
 
 &arduino_spi {
-	max6675@0 {
+	env_sensor: max6675@0 {
 		compatible = "maxim,max6675";
 		reg = <0>;
 		spi-max-frequency = <4300000>;

samples/sensor/env_sensing/sensor_overlay/mcp9808.overlay

@@ -5,7 +5,7 @@
  */
 
 &arduino_i2c  {
-	mcp9808@18 {
+	env_sensor: mcp9808@18 {
 		compatible = "microchip,mcp9808";
 		reg = <0x18>;
 		int-gpios = <&gpioc 16 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;

samples/sensor/env_sensing/sensor_overlay/ms5837.overlay

@@ -7,7 +7,7 @@
 &arduino_i2c {
     status = "okay";
     clock-frequency = <I2C_BITRATE_STANDARD>;
-    ms5837@76 {
+    env_sensor: ms5837@76 {
         compatible = "meas,ms5837";
         reg = <0x76>;
         label = "MS5837";

samples/sensor/env_sensing/sensor_overlay/sht3xd.overlay

@@ -5,7 +5,7 @@
  */
 
 &arduino_i2c  { /* SDA PTE25, SCL PTE24, ALERT PTE26 */
-	sht3xd@44 {
+	env_sensor: sht3xd@44 {
 		compatible = "sensirion,sht3xd";
 		reg = <0x44>;
 		label = "SHT3XD";

samples/sensor/env_sensing/sensor_overlay/th02.overlay

@@ -5,7 +5,7 @@
  */
 
 &arduino_i2c  {
-	th02@40 {
+	env_sensor: th02@40 {
 		compatible = "hoperf,th02";
 		reg = <0x40>;
 		label = "TH02";

samples/sensor/env_sensing/src/main.c

@@ -70,10 +70,10 @@ static void process_sample(void)
 		sensor_log("Relative Humidity: %.1f%%\n", sensor_value_to_double(&hum));
 	}
 	if (IS_ENABLED(CONFIG_HAS_PRESSURE)) {
-		sensor_log("Pressure: %.2f kPa", sensor_value_to_double(&press));
+		sensor_log("Pressure: %.2f kPa\n", sensor_value_to_double(&press));
 	}
 	if (IS_ENABLED(CONFIG_HAS_GAS)) {
-		sensor_log("Gas: %.2f", sensor_value_to_double(&gas));
+		sensor_log("Gas: %.2f\n", sensor_value_to_double(&gas));
 	}
 }
 
@@ -86,40 +86,7 @@ static void handler_(const struct device *dev,
 
 void main(void)
 {
-
-#if defined(CONFIG_HTS221)
-	sensor_dev = DEVICE_DT_GET_ANY(st_hts221);
-#elif defined(CONFIG_TH02)
-	sensor_dev = DEVICE_DT_GET_ANY(hoperf_th02);
-#elif defined(CONFIG_BME280)
-	sensor_dev = DEVICE_DT_GET_ANY(bosch_bme280);
-#elif defined(CONFIG_TMP007)
-	sensor_dev = DEVICE_DT_GET_ANY(ti_tmp007);
-#elif defined(CONFIG_SHT3XD)
-	sensor_dev = DEVICE_DT_GET_ANY(sensirion_sht3xd);
-#elif defined(CONFIG_BME680)
-	sensor_dev = DEVICE_DT_GET_ANY(bosch_bme680);
-#elif defined(CONFIG_MCP9808)
-	sensor_dev = DEVICE_DT_GET_ANY(microchip_mcp9808);
-#elif defined(CONFIG_DPS310)
-	sensor_dev = DEVICE_DT_GET_ANY(infineon_dps310);
-#elif defined(CONFIG_TI_HDC)
-	sensor_dev = DEVICE_DT_GET_ANY(ti_hdc);
-#elif defined(CONFIG_MAX6675)
-	sensor_dev = DEVICE_DT_GET_ANY(maxim_max6675);
-#elif defined(CONFIG_LPS22HB)
-	sensor_dev = DEVICE_DT_GET_ANY(st_lps22hb_press);
-#elif defined(CONFIG_LPS22HH)
-	sensor_dev = DEVICE_DT_GET_ANY(st_lps22hh);
-#elif defined(CONFIG_ENS210)
-	sensor_dev = DEVICE_DT_GET_ANY(ams_ens210);
-#elif defined(CONFIG_DHT)
-	sensor_dev = DEVICE_DT_GET_ANY(aosong_dht);
-#elif defined(CONFIG_SI7006)
-	sensor_dev = DEVICE_DT_GET_ANY(silabs_si7006);
-#else
-#error Not defined
-#endif
+	sensor_dev = DEVICE_DT_GET(DT_NODELABEL(env_sensor));
 
 	if (sensor_dev == NULL) {
 		LOG_ERR("Could not get sensor device");