Merge pull request #30 from arduino-libraries/fix-init-check

Detect sensor initialization failures

Author: facchinm

src/BMI270.cpp

@@ -60,21 +60,23 @@ int BoschSensorClass::begin() {
   mag_dev_info._wire = _wire;
   mag_dev_info.dev_addr = bmm1.chip_id;
 
-  int8_t rslt = bmi270_init(&bmi2);
-  print_rslt(rslt);
+  int8_t bmi270InitResult = bmi270_init(&bmi2);
+  print_rslt(bmi270InitResult);
 
-  rslt = configure_sensor(&bmi2);
-  print_rslt(rslt);
+  int8_t bmi270ConfigResult = configure_sensor(&bmi2);
+  print_rslt(bmi270ConfigResult);
 
-  rslt = bmm150_init(&bmm1);
-  print_rslt(rslt);
+  int8_t bmm150InitResult = bmm150_init(&bmm1);
+  print_rslt(bmm150InitResult);
 
-  rslt = configure_sensor(&bmm1);
-  print_rslt(rslt);
+  int8_t bmm150ConfigResult = configure_sensor(&bmm1);
+  print_rslt(bmm150ConfigResult);
 
-  _initialized = true;
+  bool success = bmi270InitResult == BMI2_OK && bmi270ConfigResult == BMI2_OK && 
+                  bmm150InitResult == BMM150_OK && bmm150ConfigResult == BMM150_OK;
+  _initialized = success;
 
-  return 1;
+  return success;
 }
 
 

src/utilities/BMM150-Sensor-API/bmm150.c

@@ -593,6 +593,8 @@ int8_t bmm150_init(struct bmm150_dev *dev)
 
                 /* Function to update trim values */
                 rslt = read_trim_registers(dev);
+            } else {
+                rslt = BMM150_E_DEV_NOT_FOUND;
             }
         }
     }