feat: add reset reason string

.github/workflows/ci.yml

@@ -172,7 +172,7 @@ jobs:
         run: docker run -d --name flex_container -v "$(pwd)":/external -p 1234:1234/tcp -p 1235:1235/tcp ghcr.io/philips-software/amp-postmaster-flex:v0.2.0 ${{ vars.ENV_POSTMASTER_IP }} /external/integration_test.tester.bin
       - run: docker logs flex_container
       - run: while [[ "$(docker inspect flex_container | python -c 'import json,sys;print(json.load(sys.stdin)[0]["State"]["Health"]["Status"])')" != "healthy" ]] ; do docker inspect flex_container | python -c 'import json,sys;print(json.load(sys.stdin)[0]["State"]["Health"]["Status"])'; sleep 1; done
-        timeout-minutes: 2
+        timeout-minutes: 5
       - run: docker inspect flex_container
       - run: tar -zxvf hal_st-*-Linux.tar.gz
       - run: mkdir install

examples/helloworld/Main.cpp

@@ -1,6 +1,7 @@
 #include "hal/interfaces/Gpio.hpp"
 #include "hal_st/cortex/FaultTracer.hpp"
 #include "hal_st/instantiations/NucleoUi.hpp"
+#include "hal_st/instantiations/ResetReason.hpp"
 #include "hal_st/instantiations/StmEventInfrastructure.hpp"
 #include "hal_st/stm32fxxx/DmaStm.hpp"
 #include "hal_st/stm32fxxx/UartStmDma.hpp"
@@ -82,6 +83,8 @@ int main()
 
     services::SetGlobalTracerInstance(tracerWithDateTime);
 
+    services::GlobalTracer().Trace() << "Reset reason: " << hal::GetResetReason();
+
     static infra::TimerRepeating timerRepeating{ std::chrono::seconds{ 1 }, []
         {
             services::GlobalTracer().Trace() << "Hello World !";

hal_st/instantiations/CMakeLists.txt

@@ -11,6 +11,7 @@ target_link_libraries(hal_st.instantiations PUBLIC
     hal_st.synchronous_stm32fxxx
     infra.event
     infra.timer
+    infra.util
     services.tracer
 )
 
@@ -25,4 +26,5 @@ target_sources(hal_st.instantiations PRIVATE
     StmTracerInfrastructure.hpp
     TracingResetStm.cpp
     TracingResetStm.hpp
+    ResetReason.hpp
 )

hal_st/instantiations/ResetReason.hpp

@@ -0,0 +1,38 @@
+#ifndef HAL_ST_INSTANTIATIONS_RESETREASON_HPP
+#define HAL_ST_INSTANTIATIONS_RESETREASON_HPP
+
+#include "infra/util/BoundedString.hpp"
+#include DEVICE_HEADER
+
+namespace hal
+{
+    // Note: This function clears the reset flags after reading them
+    infra::BoundedConstString GetResetReason()
+    {
+        const char* resetReason;
+
+        if (__HAL_RCC_GET_FLAG(RCC_FLAG_LPWRRST))
+            resetReason = "LowPower";
+#if defined(RCC_FLAG_PORRST)
+        else if (__HAL_RCC_GET_FLAG(RCC_FLAG_PORRST))
+            resetReason = "PowerOn";
+#endif
+        else if (__HAL_RCC_GET_FLAG(RCC_FLAG_WWDGRST))
+            resetReason = "Window WatchDog";
+        else if (__HAL_RCC_GET_FLAG(RCC_FLAG_IWDGRST))
+            resetReason = "Independent WatchDog";
+        else if (__HAL_RCC_GET_FLAG(RCC_FLAG_SFTRST))
+            resetReason = "Software";
+        else if (__HAL_RCC_GET_FLAG(RCC_FLAG_PINRST))
+            resetReason = "Reset Pin";
+        else if (__HAL_RCC_GET_FLAG(RCC_FLAG_BORRST))
+            resetReason = "BrownOut(BOR)";
+        else
+            resetReason = "Unknown";
+
+        __HAL_RCC_CLEAR_RESET_FLAGS();
+        return resetReason;
+    }
+}
+
+#endif // HAL_ST_INSTANTIATIONS_RESETREASON_HPP