Revision 10:228c926a2416, committed 2019-03-28

Comitter:

ziqiyap

Date:

Thu Mar 28 01:14:03 2019 +0000

Parent:

9:a5fe43e183e2

Commit message:

added test cases; added timeout counter for data not ready

Changed in this revision

--- a/sps30.cpp	Wed Mar 27 06:04:36 2019 +0000
+++ b/sps30.cpp	Thu Mar 28 01:14:03 2019 +0000
@@ -415,10 +415,12 @@
         int val_data;
         if (i < 4) 
         {
+//            sensor_float_data[i] = 99999.00;        // test use case 3c; expected output: EmTrace for sensor data out-of-range with data value
             val_data = ValidateData(sensor_float_data[i], MASS_MIN, MASS_MAX);
         }
         else if (i < 9) 
         {
+//            sensor_float_data[i] = 99999.00;        // test use case 3c; expected output: EmTrace for sensor data out-of-range with data value
             val_data = ValidateData(sensor_float_data[i], NUM_MIN, NUM_MAX);
         }
 
@@ -442,16 +444,20 @@
     if (dat == SPSNOACKERROR) 
     {
         SendSensorEmTrace(SENSOR_DCN);
+        sps_status = 0;
     }
     
     dat = Sps30::StartMeasurement();
     if (dat == SPSNOACKERROR) 
     {
         SendSensorEmTrace(SENSOR_DCN);
+        sps_status = 0;
     }
     
     SendSensorEmTrace(SENSOR_CN);
     sensor_serial = ConvertSerialNumber(sn);
+    sps_status = 1;
+    t_count = 0;
 
     return;
 }
@@ -465,13 +471,21 @@
     uint8_t dat = Sps30::GetReadyStatus();
     if (dat == SPSNOACKERROR)
     {
-        SendSensorEmTrace(SENSOR_DCN);
+        if (sps_status == 1) SendSensorEmTrace(SENSOR_DCN);
+        sps_status = 0;
         return SENSOR_DCN;
     }
     
+    if (sps_status == 0) 
+    {
+        Sps30::InitSensor();   // If was disconnected, reinitialise
+        Sps30::GetReadyStatus();
+    }
+//    sps_ready = 0;               // test use case 3b; expeced output: EMTrace for sensor data not ready
     if (sps_ready == SPSISREADY)
     {
         uint8_t crcc = Sps30::ReadMeasurement();
+//        crcc = SPSCRCERROR;      // test use case 3b; expeced output: EMTrace for sensor data not ready
         if (crcc == SPSNOERROR)
         {
             Sps30::GetDataArray();
@@ -480,6 +494,7 @@
         else if (crcc == SPSNOACKERROR)
         {
             SendSensorEmTrace(SENSOR_DCN);
+            sps_status = 0;
             return SENSOR_DCN;
         }
         else
@@ -489,8 +504,15 @@
         }
     }
     else
-    {
-        SendSensorEmTrace(SENSOR_DATAERR);
+    {        
+        if (t_count == TIMEOUT_COUNT)     // timeout counter for data not ready
+        {
+            SendSensorEmTrace(SENSOR_DATAERR);
+            Sps30::SoftReset();
+            t_count = 0;
+        }
+        t_count++;
+
         return SENSOR_DATAERR;
     }
 }

--- a/sps30.h	Wed Mar 27 06:04:36 2019 +0000
+++ b/sps30.h	Thu Mar 28 01:14:03 2019 +0000
@@ -37,6 +37,7 @@
 #define NUM_MIN             0.00f
 
 #define I2C_FREQUENCY_STD   100000              // SPS30 uses 100MHz for I2C communication
+#define TIMEOUT_COUNT       3
 
 /** Create SPS30 controller class
  * @brief inherits SensorDriver members and methods essential for Sensor Thread
@@ -94,8 +95,10 @@
     };
     
     char i2cbuff[60];
-        
-    uint8_t sn[33];         /**< ASCII Serial Number */
+    
+    bool sps_status;    /**< status bit */
+    int t_count;        /**< timeout counter */
+    uint8_t sn[33];     /**< ASCII Serial Number */
     
     std::vector<float> sensor_float_data;       /** Vector of sensor float data **/
     std::vector<std::string> sensor_data_name;  /** Private list of sensor data types **/