fix(unity-test): Run unity tests in dedicated task

Avoid running out of heap

code/test/test_suite_flowcontroll.cpp

@@ -1,10 +1,5 @@
 #include <unity.h>
 
-#include "components/jomjol-flowcontroll/test_flow_postrocess_helper.cpp"
-#include "components/jomjol-flowcontroll/test_flowpostprocessing.cpp"
-#include "components/jomjol-flowcontroll/test_flow_pp_negative.cpp"
-#include "components/jomjol-flowcontroll/test_PointerEvalAnalogToDigitNew.cpp"
-#include "components/jomjol-flowcontroll/test_getReadoutRawString.cpp"
 // SD-Card ////////////////////
 #include "nvs_flash.h"
 #include "esp_vfs_fat.h"
@@ -15,6 +10,18 @@
 #define __SD_USE_ONE_LINE_MODE__
 #include "server_GPIO.h"
 
+
+//*****************************************************************************
+// Include files with functions to test
+//*****************************************************************************
+#include "components/jomjol-flowcontroll/test_flow_postrocess_helper.cpp"
+#include "components/jomjol-flowcontroll/test_flowpostprocessing.cpp"
+#include "components/jomjol-flowcontroll/test_flow_pp_negative.cpp"
+#include "components/jomjol-flowcontroll/test_PointerEvalAnalogToDigitNew.cpp"
+#include "components/jomjol-flowcontroll/test_getReadoutRawString.cpp"
+#include "components/jomjol-flowcontroll/test_cnnflowcontroll.cpp"
+
+
 bool Init_NVS_SDCard()
 {
     esp_err_t ret = nvs_flash_init();
@@ -81,7 +88,6 @@ bool Init_NVS_SDCard()
 }
 
 
-
 void initGPIO()
 {
     gpio_config_t io_conf;
@@ -96,31 +102,56 @@ void initGPIO()
 }
 
 
-
 /**
  * @brief startup the test. Like a test-suite 
  * all test methods must be called here
  */
+void task_UnityTesting(void *pvParameter)
+{
+    UNITY_BEGIN();
+        RUN_TEST(test_getReadoutRawString);
+        printf("---------------------------------------------------------------------------\n");
+        
+        RUN_TEST(test_ZeigerEval);
+        printf("---------------------------------------------------------------------------\n");
+        RUN_TEST(test_ZeigerEvalHybrid);
+        printf("---------------------------------------------------------------------------\n");
+        
+        RUN_TEST(testNegative_Issues);
+        printf("---------------------------------------------------------------------------\n");
+        RUN_TEST(testNegative);
+        printf("---------------------------------------------------------------------------\n");
+
+        RUN_TEST(test_analogToDigit_Standard);
+        printf("---------------------------------------------------------------------------\n");
+        RUN_TEST(test_analogToDigit_Transition);
+        printf("---------------------------------------------------------------------------\n");
+
+        RUN_TEST(test_doFlowPP);
+        printf("---------------------------------------------------------------------------\n");
+        RUN_TEST(test_doFlowPP1);
+        printf("---------------------------------------------------------------------------\n");
+        RUN_TEST(test_doFlowPP2);
+        printf("---------------------------------------------------------------------------\n");
+        RUN_TEST(test_doFlowPP3);
+        printf("---------------------------------------------------------------------------\n");
+        RUN_TEST(test_doFlowPP4);
+    UNITY_END();
+
+    while(1);
+}
+
+
+/**
+ * @brief main task
+ */
 extern "C" void app_main()
 {
-  initGPIO();
-  Init_NVS_SDCard();
-  esp_log_level_set("*", ESP_LOG_DEBUG);        // set all components to ERROR level
-
-  UNITY_BEGIN();
-    RUN_TEST(testNegative_Issues);
-  /* RUN_TEST(testNegative);
-   
-    RUN_TEST(test_analogToDigit_Standard);
-    RUN_TEST(test_analogToDigit_Transition);
-    RUN_TEST(test_doFlowPP);
-    RUN_TEST(test_doFlowPP1);
-    RUN_TEST(test_doFlowPP2);
-    RUN_TEST(test_doFlowPP3);
-    RUN_TEST(test_doFlowPP4);
-
-    // getReadoutRawString test
-    RUN_TEST(test_getReadoutRawString);
-  */
-  UNITY_END();
+    initGPIO();
+    Init_NVS_SDCard();
+    esp_log_level_set("*", ESP_LOG_DEBUG);        // set all components to DEBUG level
+
+    // Create dedicated testing task (heap size can be configured - large enough to handle a lot of testing cases)
+    // ********************************************
+    xTaskCreate(&task_UnityTesting, "task_UnityTesting", 12 * 1024, NULL, tskIDLE_PRIORITY+2, NULL);
 }