initialize event variable. (#299)

* initialize event variable.

* another ununitialized variable

Author: ryanwinter

STMicroelectronics/STM32L4_L4+/app/nx_client.c

@@ -19,9 +19,6 @@
 #include "azure_device_x509_cert_config.h"
 #include "azure_pnp_info.h"
 
-#define TELEMETRY_SCRATCH_BUFFER_SIZE 128
-#define CALLBACK_SCRATCH_BUFFER_SIZE  128
-
 #define IOT_MODEL_ID "dtmi:azurertos:devkit:gsg;2"
 
 #define TELEMETRY_TEMPERATURE       "temperature"

cmake/arm-gcc-cortex-toolchain.cmake

@@ -48,15 +48,15 @@ set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
 
-set(CMAKE_COMMON_FLAGS "--specs=nano.specs -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin -fshort-enums -Wall -Wextra -Wuninitialized -Wshadow -Wdouble-promotion -Werror -Wno-unused-parameter")
+set(CMAKE_COMMON_FLAGS "-g3 --specs=nano.specs -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin -fshort-enums -Wall -Wextra -Wuninitialized -Wshadow -Wdouble-promotion -Werror -Wno-unused-parameter")
 set(CMAKE_C_FLAGS 	"${MCPU_FLAGS} ${VFP_FLAGS} ${CMAKE_COMMON_FLAGS}")
 set(CMAKE_CXX_FLAGS "${MCPU_FLAGS} ${VFP_FLAGS} ${CMAKE_COMMON_FLAGS}")
 set(CMAKE_ASM_FLAGS "${MCPU_FLAGS} ${VFP_FLAGS}")
 set(CMAKE_EXE_LINKER_FLAGS "${LD_FLAGS} -fno-common -Wl,--gc-sections,-print-memory-usage")
 
-set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
-set(CMAKE_CXX_ASM_FLAGS_DEBUG "-O0 -g3")
-set(CMAKE_ASM_FLAGS_DEBUG "-g3")
+set(CMAKE_C_FLAGS_DEBUG "-O0")
+set(CMAKE_CXX_ASM_FLAGS_DEBUG "-O0")
+set(CMAKE_ASM_FLAGS_DEBUG "")
 
 set(CMAKE_C_FLAGS_RELEASE "-Os")
 set(CMAKE_CXX_FLAGS_RELEASE "-Os")

shared/src/azure_iot_nx_client.c

@@ -319,7 +319,7 @@ static VOID process_writable_properties(AZURE_IOT_NX_CONTEXT* nx_context)
 
 static VOID event_thread(ULONG parameter)
 {
-    ULONG app_events;
+    ULONG app_events = 0;
 
     AZURE_IOT_NX_CONTEXT* context = (AZURE_IOT_NX_CONTEXT*)parameter;
 
@@ -800,7 +800,7 @@ UINT azure_iot_nx_client_disconnect(AZURE_IOT_NX_CONTEXT* context)
 UINT azure_iot_nx_client_properties_request_and_wait(AZURE_IOT_NX_CONTEXT* context)
 {
     UINT status;
-    ULONG app_events;
+    ULONG app_events = 0;
 
     // Request the properties
     if ((status = nx_azure_iot_hub_client_properties_request(&context->iothub_client, NX_WAIT_FOREVER)))