drivers/sensors: add a new sensor type ENG

Add a new sensor type for ENG sensor.

Signed-off-by: liucheng5 <liucheng5@xiaomi.com>
Signed-off-by: likun17 <likun17@xiaomi.com>

drivers/sensors/sensor.c

@@ -218,6 +218,7 @@ static const struct sensor_meta_s g_sensor_meta[] =
   {sizeof(struct sensor_pm25),                "pm25"},
   {sizeof(struct sensor_pm10),                "pm10"},
   {sizeof(struct sensor_uv),                  "uv"},
+  {sizeof(struct sensor_eng),                 "eng"},
 };
 
 static const struct file_operations g_sensor_fops =

include/nuttx/uorb.h

@@ -475,7 +475,6 @@
 /* GNSS Geofence */
 
 #define SENSOR_TYPE_GNSS_GEOFENCE                   52
-
 /* Velocity Sensor
  * A sensor of this type measures the velocity as it is moving.
  * The default unit velocity is meter by seconds m/s (SI).
@@ -511,11 +510,20 @@
 
 #define SENSOR_TYPE_ULTRAVIOLET                     57
 
+/* ENG (Electroneurography)
+ * A sensor of this type measures the electrical activity of peripheral
+ * nerves. This neural electrical signal, generated by nerve impulses
+ * traveling through axons and captured by electrodes, provides valuable
+ * information about nervous system and muscle-nerve communication.
+ */
+
+#define SENSOR_TYPE_ENG                             58
+
 /* The total number of sensor
  * please increase it if you added a new sensor type!
  */
 
-#define SENSOR_TYPE_COUNT                           58
+#define SENSOR_TYPE_COUNT                           59
 
 /* The additional sensor open flags */
 
@@ -902,6 +910,13 @@ struct sensor_cap           /* Type: Capacitance */
   int32_t rawdata[4];       /* in SI units pF */
 };
 
+struct sensor_eng           /* Type: ENG */
+{
+  uint64_t timestamp;       /* Unit is microseconds */
+  float voltage[4];         /* Voltage unit in mV */
+  uint32_t stat;            /* Status. bit3:0 - value 3:0 is valid or not */
+};
+
 struct sensor_gnss          /* Type: GNSS */
 {
   uint64_t timestamp;       /* Time since system start, Units is microseconds */