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https://github.com/zephyrproject-rtos/zephyr
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57b756b442
Enables optionally placing Segger RTT and SystemView data in the DTCM linker section instead of the default data section. This is needed on SoCs in the i.MX RT series that use cacheable external SDRAM to store data. Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
75 lines
1.8 KiB
Plaintext
75 lines
1.8 KiB
Plaintext
# Copyright (c) 2016 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config HAS_SEGGER_RTT
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bool
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help
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Indicates that the platform supports SEGGER J-Link RTT.
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config USE_SEGGER_RTT
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bool "Enable SEGGER RTT libraries."
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depends on HAS_SEGGER_RTT
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help
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Enable Segger J-Link RTT libraries for platforms that support it.
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Selection of this option enables use of RTT for various subsystems.
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Note that by enabling this option, RTT buffers consume more RAM.
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if USE_SEGGER_RTT
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config SEGGER_RTT_MAX_NUM_UP_BUFFERS
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int "Maximum number of up-buffers"
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default 3
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config SEGGER_RTT_MAX_NUM_DOWN_BUFFERS
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int "Maximum number of down-buffers"
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default 3
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config SEGGER_RTT_BUFFER_SIZE_UP
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int "Size of the buffer for terminal output of target, up to host"
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default 1024
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config SEGGER_RTT_BUFFER_SIZE_DOWN
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int "Size of the buffer for terminal input of target, from host"
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default 16
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config SEGGER_RTT_PRINTF_BUFFER_SIZE
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int "Size of buffer for RTT printf to bulk-send chars via RTT"
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default 64
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choice
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prompt "Mode for pre-initialized terminal channel (buffer 0)"
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default SEGGER_RTT_MODE_NO_BLOCK_SKIP
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config SEGGER_RTT_MODE_NO_BLOCK_SKIP
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bool "Skip. Do not block, output nothing."
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config SEGGER_RTT_MODE_NO_BLOCK_TRIM
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bool "Trim: Do not block, output as much as fits."
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config SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
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bool "Block: Wait until there is space in the buffer."
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endchoice
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config SEGGER_RTT_MODE
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int
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default 2 if SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
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default 1 if SEGGER_RTT_MODE_NO_BLOCK_TRIM
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default 0
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config SEGGER_RTT_MEMCPY_USE_BYTELOOP
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bool "Use a simple byte-loop instead of standard memcpy"
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choice SEGGER_RTT_SECTION
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prompt "Choose RTT data linker section"
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config SEGGER_RTT_SECTION_NONE
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bool "Place RTT data in the default linker section"
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config SEGGER_RTT_SECTION_DTCM
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bool "Place RTT data in the DTCM linker section"
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endchoice
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endif
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