Commit 4a6e478d authored by Jordan Yates's avatar Jordan Yates Committed by Benjamin Cabé
Browse files

modules: segger: RTT control block alignment 

Make the alignment of the RTT control block configurable, defaulting to
16 bytes. The default is chosen as PyOCD fails to discover the control
block if the 16 byte ID array falls across a 32 byte boundary.

Signed-off-by: default avatarJordan Yates <jordan@embeint.com>
parent ce4bab56

modules/segger/CMakeLists.txt

+1 −0
Changes for modules/segger/CMakeLists.txt: 1 added line, 0 removed lines.
Original line number Diff line number Diff line 
if(CONFIG_USE_SEGGER_RTT)

  zephyr_library()

  zephyr_library_compile_definitions(SEGGER_RTT_ALIGNMENT=CONFIG_SEGGER_RTT_CB_ALIGNMENT)

  set(SEGGER_DIR ${ZEPHYR_CURRENT_MODULE_DIR})

  zephyr_include_directories_ifdef(CONFIG_USE_SEGGER_RTT

    ${SEGGER_DIR}/SEGGER

modules/segger/Kconfig

+8 −0
Changes for modules/segger/Kconfig: 8 added lines, 0 removed lines.
Original line number Diff line number Diff line
@@ -25,6 +25,14 @@ config SEGGER_RTT_CUSTOM_LOCKING 
	help

	  Enable custom locking using Zephyr APIs.



config SEGGER_RTT_CB_ALIGNMENT

	int "Alignment of the RTT control block"

	default 16

	help

	  Specify the alignment of the RTT control block in memory. The default

	  alignment of 16 bytes is chosen because PyOCD fails to discover blocks

	  where the 16 byte `acID` field falls across a 32 byte boundary.



config SEGGER_RTT_MAX_NUM_UP_BUFFERS

	int "Maximum number of up-buffers"

	default 3

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