MLECO-2682: CMake and source refactoring.

MLECO-2930: logging macros were extracted from hal.h and used separately around the code.

MLECO-2931: arm_math lib introduced, cmsis-dsp removed from top level linkage.

MLECO-2915: platform related post-build steps.

Change-Id: Id718884e22f262a5c070ded3f3f5d4b048820147
Signed-off-by: alexander <alexander.efremov@arm.com>
diff --git a/source/hal/CMakeLists.txt b/source/hal/CMakeLists.txt
new file mode 100644
index 0000000..ea19de5
--- /dev/null
+++ b/source/hal/CMakeLists.txt
@@ -0,0 +1,202 @@
+#----------------------------------------------------------------------------
+#  Copyright (c) 2022 Arm Limited. All rights reserved.
+#  SPDX-License-Identifier: Apache-2.0
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#----------------------------------------------------------------------------
+
+#########################################################
+#                       HAL library                     #
+#########################################################
+
+cmake_minimum_required(VERSION 3.15.6)
+
+set(HAL_TARGET hal)
+
+project(${HAL_TARGET}
+    DESCRIPTION     "HAL library"
+    LANGUAGES       C CXX)
+
+# Create static library
+add_library(${HAL_TARGET} STATIC)
+
+# Select which profile needs to be used:
+if (${CMAKE_CROSSCOMPILING})
+    set(PLATFORM_PROFILE bare-metal)
+else()
+    set(PLATFORM_PROFILE native)
+endif()
+
+set(PLATFORM_PROFILE_DIR    profiles/${PLATFORM_PROFILE})
+
+## Common include directories - public
+target_include_directories(${HAL_TARGET}
+    PUBLIC
+    include
+    ${PLATFORM_PROFILE_DIR}/timer/include
+    ${PLATFORM_PROFILE_DIR}/utils/include)
+
+## Common sources for all profiles
+target_sources(${HAL_TARGET}
+    PRIVATE
+    hal.c
+    ${PLATFORM_PROFILE_DIR}/data_presentation/data_psn.c
+    ${PLATFORM_PROFILE_DIR}/data_acquisition/data_acq.c
+    ${PLATFORM_PROFILE_DIR}/timer/platform_timer.c
+    ${PLATFORM_PROFILE_DIR}/utils/system_init.c)
+
+if (DEFINED VERIFY_TEST_OUTPUT)
+    message(STATUS "Test output verification flag is: ${VERIFY_TEST_OUTPUT}")
+    target_compile_definitions(${HAL_TARGET} PUBLIC
+        VERIFY_TEST_OUTPUT=${VERIFY_TEST_OUTPUT})
+endif ()
+
+############################ bare-metal profile #############################
+if (PLATFORM_PROFILE STREQUAL bare-metal)
+
+    if (NOT DEFINED PLATFORM_DRIVERS_DIR)
+        message(FATAL_ERROR "PLATFORM_DRIVERS_DIR need to be defined for this target")
+    endif()
+
+    ## Additional include directories - public
+    target_include_directories(${HAL_TARGET}
+        PUBLIC
+        ${PLATFORM_PROFILE_DIR}/bsp/include)
+
+    ## Additional include directories - private
+    target_include_directories(${HAL_TARGET}
+        PRIVATE
+        ${PLATFORM_PROFILE_DIR}/data_presentation/lcd/include)
+
+    ## Additional sources - public
+    target_sources(${HAL_TARGET}
+        PUBLIC
+        ${PLATFORM_PROFILE_DIR}/bsp/retarget.c)
+
+    ## Additional sources - private
+    target_sources(${HAL_TARGET}
+        PRIVATE
+        ${PLATFORM_PROFILE_DIR}/data_presentation/lcd/lcd_img.c)
+
+    ## Compile definition:
+    target_compile_definitions(${HAL_TARGET}
+        PUBLIC
+        PLATFORM_HAL=PLATFORM_CORTEX_M_BAREMETAL)
+
+    # Add dependencies for platform_driver first, in case they are needed by it.
+    add_subdirectory(cmsis_device ${CMAKE_BINARY_DIR}/cmsis_device)
+
+    # Add platform-drivers target
+    add_subdirectory(${PLATFORM_DRIVERS_DIR} ${CMAKE_BINARY_DIR}/platform_driver)
+
+    # Link time library targets:
+    target_link_libraries(${HAL_TARGET}
+        PUBLIC
+        log
+        platform-drivers)
+
+    # If Ethos-U is enabled, we need the driver library too
+    if (ETHOS_U_NPU_ENABLED)
+
+        if (NOT DEFINED ETHOS_U_NPU_DRIVER_SRC_PATH)
+            message(FATAL_ERROR "ETHOS_U_NPU_DRIVER_SRC_PATH should"
+                    " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
+        endif()
+
+        # Timing adapter, should, in theory be part of platform-drivers. For now
+        # limiting the scope of refactoring - but in future, TA should not be
+        # needed if not available on the target platform.
+        if (NOT DEFINED ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH)
+            message(FATAL_ERROR "ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH should"
+                    " be defined when ETHOS_U_NPU_ENABLED=${ETHOS_U_NPU_ENABLED}")
+        endif()
+
+        target_compile_definitions(${HAL_TARGET}
+            PUBLIC
+            ARM_NPU)
+
+        # For the driver, we need to provide the CMSIS_PATH variable
+        set(CMSIS_PATH ${CMSIS_SRC_PATH} CACHE PATH "Path to CMSIS directory")
+        add_subdirectory(${ETHOS_U_NPU_DRIVER_SRC_PATH} ${CMAKE_BINARY_DIR}/ethos-u-driver)
+        add_subdirectory(${ETHOS_U_NPU_TIMING_ADAPTER_SRC_PATH} ${CMAKE_BINARY_DIR}/timing-adapter)
+
+        target_link_libraries(${HAL_TARGET}
+            PUBLIC
+            ethosu_core_driver
+            timing_adapter)
+
+        if (NOT DEFINED ETHOS_U_NPU_ID)
+            set(ETHOS_U_NPU_ID U55)
+        endif()
+
+        if (NOT DEFINED ETHOS_U_NPU_MEMORY_MODE)
+            set(ETHOS_U_NPU_MEMORY_MODE Shared_Sram)
+        endif()
+
+        if (ETHOS_U_NPU_MEMORY_MODE STREQUAL Sram_Only)
+            if (ETHOS_U_NPU_ID STREQUAL U55)
+                set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEM_MODE_SRAM_ONLY")
+            else ()
+                message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `sram_only` can be used only for Ethos-U55.")
+            endif ()
+
+        elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Shared_Sram)
+            # Shared Sram can be used for Ethos-U55 and Ethos-U65
+            set(ETHOS_U_NPU_MEMORY_MODE_FLAG "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM")
+
+        elseif (ETHOS_U_NPU_MEMORY_MODE STREQUAL Dedicated_Sram)
+            # Dedicated Sram is used only for Ethos-U65
+            if (ETHOS_U_NPU_ID STREQUAL U65)
+                set(ETHOS_U_NPU_MEMORY_MODE_FLAG  "-DETHOS_U_NPU_MEMORY_MODE=ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM")
+            else ()
+                message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode and processor ${ETHOS_U_NPU_MEMORY_MODE} - ${ETHOS_U_NPU_ID}. `dedicated_sram` can be used only for Ethos-U65.")
+            endif ()
+        else ()
+            message(FATAL_ERROR "Non compatible Ethos-U NPU memory mode ${ETHOS_U_NPU_MEMORY_MODE}")
+        endif ()
+
+        target_compile_definitions(${HAL_TARGET}
+            PUBLIC
+            ${ETHOS_U_NPU_MEMORY_MODE_FLAG})
+    endif()
+
+############################   native profile   #############################
+elseif (PLATFORM_PROFILE STREQUAL native)
+    ## Additional include directories - private
+    target_include_directories(${HAL_TARGET}
+        PRIVATE
+        ${PLATFORM_PROFILE_DIR}/data_presentation/log/include)
+
+    ## Additional sources - private
+    target_sources(${HAL_TARGET}
+        PRIVATE
+        ${PLATFORM_PROFILE_DIR}/data_presentation/log/log.c)
+
+    ## Compile definition:
+    target_compile_definitions(${HAL_TARGET}
+        PUBLIC
+        PLATFORM_HAL=PLATFORM_UNKNOWN_LINUX_OS
+        ACTIVATION_BUF_SRAM_SZ=0)
+
+    target_link_libraries(${HAL_TARGET}
+        PUBLIC
+        log)
+
+endif()
+
+# Display status:
+message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR})
+message(STATUS "*******************************************************")
+message(STATUS "Library                                : " ${HAL_TARGET})
+message(STATUS "CMAKE_SYSTEM_PROCESSOR                 : " ${CMAKE_SYSTEM_PROCESSOR})
+message(STATUS "*******************************************************")