CMakeLists.txt

@@ -21,10 +21,6 @@ endif()
 # For being able to used LSP
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-#"-Wall":: Enable all warnings.
-#"-Werror":: Treat all warnings as errors.
-#"-Wpedantic":: Issue all warnings demanded by strict ISO 
-
 # Request C 17 standard features
 set(CMAKE_C_STANDARD 17)
 set(CMAKE_C_STANDARD_REQUIRED True)
@@ -57,6 +53,7 @@ if (UNIT_TESTING)
     
     include_directories(
         ${CPPUTEST_INCLUDE_DIRS}
+        /usr/include/c++/11/
         ./inc
         ./mocks
         )

notes.md

@@ -26,10 +26,5 @@ development board.
 - [X] Remove Unity test framework stuff.
 - [X] Remove HAL stuff.
 - [X] Remove doxygen stuff from toolchain file.
-- [X] Check through debuging flags in toolchain file.
+- [ ] Check through debuging flags in toolchain file.
 
-## Questions
-
-- [X] What is semi-hosting in stm32 context.
-- [X] What are mthumb or thumb?
-- [ ] 

stm32-toolchain.cmake

@@ -2,23 +2,17 @@
 # STM32 toolchain file 
 # ###############################
 
-# ----------------------------------------
-# File: stm32-toolchain.cmake
-# Description: Cmake file for the stm32 controllers. It has two differnt
-# types of kinds things it can output. It can output or build release binaries
-# or it output debug builds.
-# ----------------------------------------
-
-
 ##################################################
 # Configurable Section
 ##################################################
 
+
+
 # Specify the cross-compiler
 set(CROSS_TOOLCHAIN arm-none-eabi-)
 set(CMAKE_SYSTEM_NAME Generic)
 set(CMAKE_SYSTEM_PROCESSOR arm)
-set(DEBUG_BINARY 1)
+set(CMAKE_CROSSCOMPILING 1)
 set(CMAKE_SYSTEM_VERSION 1)
 
 
@@ -37,8 +31,6 @@ set(MCU_DIR inc/${MCU}/)
 #set(MCU_SPEC cortex-m3)
 #set(MCU_SPEC cortex-m4)
 set(MCU_SPEC cortex-m0plus) # Might need to change?
-
-set(FLOAT_SPEC "") # Use when you have no FPU.
 # set(FLOAT_SPEC "-mfloat-abi=hard -mfpu=fpv4-sp-d16")
 
 # The Startup(ASM) files
@@ -128,7 +120,7 @@ set(CMAKE_CXX_FLAGS_RELEASE "-Os -flto " CACHE INTERNAL "C++ Compiler options fo
 set(CMAKE_ASM_FLAGS_RELEASE "" CACHE INTERNAL "ASM Compiler options for release build type")
 set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-flto " CACHE INTERNAL "Linker options for release build type")
 
-if(DEBUG_BINARY STREQUAL "1") # -- START: Debug Binary
+if(CMAKE_CROSSCOMPILING STREQUAL "1")
     # Control specific options if crosscompiling
 
     message(STATUS "[INFO] Cross compiling for ${MCU}")
@@ -143,12 +135,6 @@ if(DEBUG_BINARY STREQUAL "1") # -- START: Debug Binary
     #-------------------
     # General Flags for cross
     #-------------------
-    # "thumb":: Compressed instructions, 16bits. Using only ARM is an option
-    # as well.
-    # "-mcpu":: The selected and in use CPU.
-    # "-mthumb":: Enable the thumb(16bit) instructions.
-    # "-mthumb-interwork":: Support calling between ARM and Thumb instructions
-    # "-mabi":: Generate code for the given application binary interface.
     string(APPEND OBJECT_GEN_FLAGS " \
     -mcpu=${MCU_SPEC} \
     -mthumb \
@@ -156,8 +142,6 @@ if(DEBUG_BINARY STREQUAL "1") # -- START: Debug Binary
     -mabi=aapcs \
     ${FLOAT_SPEC} \
     ")
-    # "aapcs":: Procedure Call Standard for Arm Architecture
-
 
     #-------------------
     # CFLAGS for cross
@@ -194,20 +178,49 @@ if(DEBUG_BINARY STREQUAL "1") # -- START: Debug Binary
         message(FATAL_ERROR "[ERRR] Could not find linker script ${LINKER_SCRIPT}")
     endif()
 
-    # semihosting:: is a mechanism that enables code running on an ARM target 
-    # to communicate and use the Input/Output facilities on a host computer 
-    # that is running a debugger.
     if("${SEMIHOSTING}" STREQUAL "1")
-        #"rdimon":: remote dispatch interface monitor
         string(APPEND CMAKE_EXE_LINKER_FLAGS "--specs=rdimon.specs -lc -lrdimon ")
     else()
-        #"nosys":: systems call are stubbed out.
         string(APPEND CMAKE_EXE_LINKER_FLAGS "--specs=nosys.specs ")
     endif()
 
 else()
-    # Actual build which will go onto the board
+    # Flags and options to set while compiling natively
-    # AKA production build.
+    message(STATUS "[INFO] Compiling natively")
+
+    #-------------------
+    # General Flags for native
+    #-------------------
+    string(APPEND OBJECT_GEN_FLAGS " \
+    --coverage \
+    ")
+
+    #-------------------
+    # CFLAGS for native
+    #-------------------
+    string(APPEND CMAKE_C_FLAGS " \
+    ${OBJECT_GEN_FLAGS} \
+    ")
+
+    #-------------------
+    # ASMFLAGS for native
+    #-------------------
+    string(APPEND CMAKE_ASM_FLAGS " \
+    ${OBJECT_GEN_FLAGS} \
+    ")
+
+    #-------------------
+    # LFLAGS for native
+    #-------------------
+    string(APPEND CMAKE_EXE_LINKER_FLAGS " \
+    ${OBJECT_GEN_FLAGS} \
+    ")
+
+endif()
+
+
+# Actual build which will go onto the board
+if(TARGET_GROUP STREQUAL production)
 
     ######################################################################
     # @Target: ${PROJECT_NAME}.elf
@@ -268,7 +281,7 @@ else()
         )
 else()
     message(FATAL_ERROR "Given TARGET_GROUP unknown")
-endif() # -- END: DEBUG/RELEASE Binary 
+endif()
 
 # Unset all cache
 unset(SEMIHOSTING)