minor update

cmake/toolchain/arm_gcc.cmake

@@ -16,4 +16,39 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR)
 
 include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_PROCESSOR}.cmake)
+
+# enable all possible warnings for building examples
+list(APPEND TOOLCHAIN_COMMON_FLAGS
+  -fdata-sections
+  -ffunction-sections
+  -fsingle-precision-constant
+  -fno-strict-aliasing
+  )
+
+set(TOOLCHAIN_WARNING_FLAGS
+  -Wall
+  -Wextra
+  -Werror
+  -Wfatal-errors
+  -Wdouble-promotion
+  -Wstrict-prototypes
+  -Wstrict-overflow
+  -Werror-implicit-function-declaration
+  -Wfloat-equal
+  -Wundef
+  -Wshadow
+  -Wwrite-strings
+  -Wsign-compare
+  -Wmissing-format-attribute
+  -Wunreachable-code
+  -Wcast-align
+  -Wcast-function-type
+  -Wcast-qual
+  -Wnull-dereference
+  -Wuninitialized
+  -Wunused
+  -Wreturn-type
+  -Wredundant-decls
+  )
+
 include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)

cmake/toolchain/set_flags.cmake

@@ -1,22 +1,20 @@
-get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
+include(CMakePrintHelpers)
-
-# join the toolchain flags into a single string
-list(JOIN TOOLCHAIN_COMMON_FLAGS " " TOOLCHAIN_COMMON_FLAGS)
-
 foreach(LANG IN ITEMS C CXX ASM)
-    set(CMAKE_${LANG}_FLAGS_INIT "${TOOLCHAIN_COMMON_FLAGS}")
+    # join the toolchain flags into a single string
-    if (PICO_DEOPTIMIZED_DEBUG)
+    list(APPEND TOOLCHAIN_${LANG}_FLAGS ${TOOLCHAIN_COMMON_FLAGS})
-        set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
+    list(JOIN TOOLCHAIN_${LANG}_FLAGS " " TOOLCHAIN_${LANG}_FLAGS)
-    else()
+    set(CMAKE_${LANG}_FLAGS_INIT "${TOOLCHAIN_${LANG}_FLAGS}")
-        set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-Og")
-    endif()
-    set(CMAKE_${LANG}_LINK_FLAGS "-Wl,--build-id=none")
 
-    # try_compile is where the feature testing is done, and at that point,
+    #cmake_print_variables(CMAKE_${LANG}_FLAGS_INIT)
-    # pico_standard_link is not ready to be linked in to provide essential
+
-    # functions like _exit. So pass -nostdlib so it doesn't link in an exit()
+    # optimization flags
-    # function at all.
+    set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-Og")
-    if(IS_IN_TRY_COMPILE)
-        set(CMAKE_${LANG}_LINK_FLAGS "${CMAKE_${LANG}_LINK_FLAGS} -nostdlib")
-    endif()
 endforeach()
+
+# try_compile is cmake test compiling its own example,
+# pass -nostdlib to skip stdlib linking
+get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
+if(IS_IN_TRY_COMPILE)
+    set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -nostdlib")
+    set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib")
+endif()

hw/bsp/imxrt/family.cmake

@@ -19,8 +19,6 @@ function(family_configure_target TARGET)
 
   include(${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/board.cmake)
 
-  cmake_print_variables(TOP CMAKE_CURRENT_FUNCTION_LIST_DIR)
-
   target_compile_definitions(${TARGET} PUBLIC
     CFG_TUSB_MCU=OPT_MCU_MIMXRT
     __ARMVFP__=0
@@ -77,6 +75,8 @@ function(family_configure_target TARGET)
 
   # include tinyusb cmake
   include(${TOP}/src/CMakeLists.txt)
+  add_tinyusb(${TARGET})
+
 endfunction()
 
 function(family_add_freertos_config TARGET)

src/CMakeLists.txt

@@ -1,25 +1,33 @@
 # cmake_minimum_required(VERSION 3.17)
 # TODO make tinyusb as library that depends on 'tusb_config' interface that exposes the tusb_config.h file
 
-target_sources(${PROJECT} PUBLIC
+function(add_tinyusb TARGET)
-  ${CMAKE_CURRENT_LIST_DIR}/tusb.c
+  target_sources(${TARGET} PUBLIC
-  ${CMAKE_CURRENT_LIST_DIR}/common/tusb_fifo.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/tusb.c
-  ${CMAKE_CURRENT_LIST_DIR}/device/usbd.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/common/tusb_fifo.c
-  ${CMAKE_CURRENT_LIST_DIR}/device/usbd_control.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/device/usbd.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/audio/audio_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/device/usbd_control.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/cdc/cdc_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/audio/audio_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/dfu/dfu_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/cdc/cdc_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/dfu/dfu_rt_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/dfu/dfu_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/hid/hid_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/dfu/dfu_rt_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/midi/midi_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/hid/hid_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/msc/msc_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/midi/midi_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/net/ecm_rndis_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/msc/msc_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/net/ncm_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/net/ecm_rndis_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/usbtmc/usbtmc_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/net/ncm_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/vendor/vendor_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/usbtmc/usbtmc_device.c
-  ${CMAKE_CURRENT_LIST_DIR}/class/video/video_device.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/vendor/vendor_device.c
-  )
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/class/video/video_device.c
+    )
 
-target_include_directories(${PROJECT} PUBLIC
+  target_include_directories(${TARGET} PUBLIC
-  ${CMAKE_CURRENT_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
-  )
+    )
+
+  # enable all possible warnings
+  target_compile_options(${TARGET} PUBLIC
+
+    )
+
+endfunction()