Add support for Black magic probe (using GDB client).

Add documentation about that in README.md

1 files changed, 34 insertions, 3 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0b615ca8..4dc64ca4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,9 +11,40 @@ if (NOT NRF5_SDK_PATH)
   message(FATAL_ERROR "The path to the NRF52 SDK must be specified on the command line (add -DNRF5_SDK_PATH=<path>")
 endif ()
 
-if (NOT NRFJPROG)
-  message(FATAL_ERROR "the path to the tool nrfjprog must be specified on the command line (add -DNRFJPROG=<path>")
-endif ()
+if(NOT USE_JLINK AND NOT USE_GDB_CLIENT)
+  set(USE_JLINK true)
+endif()
+
+if(USE_JLINK)
+  if (NOT NRFJPROG)
+    message(FATAL_ERROR "the path to the tool nrfjprog must be specified on the command line (add -DNRFJPROG=<path>")
+  endif ()
+endif()
+
+if(USE_GDB_CLIENT)
+  if(NOT GDB_CLIENT_BIN_PATH)
+    set(GDB_CLIENT_BIN_PATH "arm-none-eabi-gdb")
+  endif()
+
+  if(NOT GDB_CLIENT_TARGET_REMOTE)
+    message(FATAL_ERROR "The GDB target must be specified (add -DGDB_CLIENT_TARGET_REMOTE=<target>")
+  endif()
+endif()
+
+message("BUILD CONFIGURATION")
+message("-------------------")
+message("    * Toolchain : " ${ARM_NONE_EABI_TOOLCHAIN_PATH})
+message("    * NRF52 SDK : " ${NRF5_SDK_PATH})
+set(PROGRAMMER "???")
+if(USE_JLINK)
+  message("    * Programmer/debugger : JLINK")
+  message("    * NrfJprog : " ${NRFJPROG})
+elseif(USE_GDB_CLIENT)
+  message("    * Programmer/debugger : GDB Client")
+  message("    * GDB Client path : " ${GDB_CLIENT_BIN_PATH})
+  message("    * GDB Target : " ${GDB_CLIENT_TARGET_REMOTE})
+endif()
+
 
 include("cmake-nRF5x/CMake_nRF5x.cmake")
 add_subdirectory(src)