o Renaming everything from nRF51 to nRF5x to better match the SDK.

o Using the correct startup code based on chip family.
o Adding -flash and -softdevice-flash goals if nrfjprog is available.

1 files changed, 76 insertions, 0 deletions

diff --git a/nrf5x.cmake b/nrf5x.cmake
new file mode 100644
index 0000000..2f37500
--- /dev/null
+++ b/nrf5x.cmake
@@ -0,0 +1,76 @@
+# Toolchain files are executed many times when detecting c/c++ compilers, but it will only read the cache on the first
+# exeuction so the paths has to be saved to the environment as it is shared between executions.
+function(mcu_nrf5_detect_sdk)
+    if (MCU_NRF5X_SDK_PATH)
+        # message("MCU: NRF5x SDK already found: ${MCU_NRF5X_SDK_PATH}")
+        return()
+    endif ()
+
+    set(MCU_NRF5X_SDK_PATH "$ENV{_MCU_NRF5X_SDK_PATH}")
+
+    if (MCU_NRF5X_SDK_PATH)
+        # message("MCU: NRF5x SDK already found from ENV: ${MCU_NRF5X_SDK_PATH}")
+        return()
+    endif ()
+
+    message("MCU: Detecting NRF5x SDK")
+
+    if (NOT MCU_NRF5X_SDK)
+        set(MCU_NRF5X_SDK "" CACHE PATH "" FORCE)
+        message(FATAL_ERROR "MCU: MCU_NRF5X_SDK parameter cannot be empty.")
+        return()
+    endif ()
+
+    get_filename_component(MCU_NRF5X_SDK_PATH "${MCU_NRF5X_SDK}" ABSOLUTE)
+
+    set(ENV{_MCU_NRF5X_SDK_PATH} "${MCU_NRF5X_SDK_PATH}")
+
+    set(NOTES ${MCU_NRF5X_SDK_PATH}/documentation/release_notes.txt)
+
+    if (NOT EXISTS ${NOTES})
+        message(FATAL_ERROR "MCU: Could not find 'documentation/release_notes.txt' under NRF SDK path: ${NOTES}")
+    endif ()
+
+    file(STRINGS ${NOTES} NOTES_LIST)
+    list(GET NOTES_LIST 0 NOTES_0)
+
+    if (NOTES_0 MATCHES "nRF5.? SDK [^0-9]*([\\.0-9]*)")
+        set(MCU_NRF5X_SDK_VERSION "${CMAKE_MATCH_1}")
+    else ()
+        message(FATAL_ERROR "MCU: Could not detect SDK version.")
+        return()
+    endif ()
+
+    message("MCU: nRF5x SDK Path: ${MCU_NRF5X_SDK_PATH} (Version: ${MCU_NRF5X_SDK_VERSION})")
+
+    set(MCU_NRF5X_SDK_VERSION "${MCU_NRF5X_SDK_VERSION}" CACHE STRING "MCU: nRF5x SDK version" FORCE)
+    set(MCU_NRF5X_SDK_PATH "${MCU_NRF5X_SDK_PATH}" CACHE PATH "MCU: nRF5x SDK path" FORCE)
+endfunction()
+
+set(MCU_NRF5X_LOADED TRUE CACHE BOOL INTERNAL)
+
+mcu_nrf5_detect_sdk()
+
+find_program(ARM_CC arm-none-eabi-gcc ${TOOLCHAIN_DIR}/bin)
+find_program(ARM_CXX arm-none-eabi-g++ ${TOOLCHAIN_DIR}/bin)
+find_program(ARM_OBJCOPY arm-none-eabi-objcopy ${TOOLCHAIN_DIR}/bin)
+find_program(ARM_SIZE_TOOL arm-none-eabi-size ${TOOLCHAIN_DIR}/bin)
+find_program(ARM_NM arm-none-eabi-nm ${TOOLCHAIN_DIR}/bin)
+
+set(_CMAKE_TOOLCHAIN_PREFIX arm-none-eabi-)
+include(CMakeFindBinUtils)
+
+#message("ARM_CC=${ARM_CC}")
+#message("ARM_CXX=${ARM_CXX}")
+#message("ARM_OBJCOPY=${ARM_OBJCOPY}")
+#message("ARM_SIZE_TOOL=${ARM_SIZE_TOOL}")
+
+# Old style, before 3.6
+#include(CMakeForceCompiler)
+#CMAKE_FORCE_C_COMPILER(${ARM_CC} GNU)
+#CMAKE_FORCE_CXX_COMPILER(${ARM_CXX} GNU)
+
+# New style, 3.6+
+set(CMAKE_C_COMPILER ${ARM_CC} CACHE FILE "")
+set(CMAKE_CXX_COMPILER ${ARM_CXX} CACHE FILE "")
+set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)