[sensor] change heart rate unit form 'HZ' to 'bpm'.
@@ -67,6 +67,7 @@ extern "C" {
#define RT_SENSOR_UNIT_DCELSIUS (8) /* Temperature unit: dCelsius */
#define RT_SENSOR_UNIT_HZ (9) /* Frequency unit: HZ */
#define RT_SENSOR_UNIT_ONE (10) /* Dimensionless quantity unit: 1 */
+#define RT_SENSOR_UNIT_BPM (11) /* Heart rate unit: bpm */
/* Sensor communication interface types */
@@ -176,7 +177,7 @@ struct rt_sensor_data
rt_int32_t baro; /* Pressure. unit: pascal (Pa) */
rt_int32_t light; /* Light. unit: lux */
rt_int32_t proximity; /* Distance. unit: centimeters */
- rt_int32_t hr; /* Heat rate. unit: HZ */
+ rt_int32_t hr; /* Heart rate. unit: bpm */
rt_int32_t tvoc; /* TVOC. unit: permillage */
rt_int32_t noise; /* Noise Loudness. unit: HZ */
rt_uint32_t step; /* Step sensor. unit: 1 */
