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/Zephyr-latest/modules/trusted-firmware-m/
DKconfig.tfm.crypto_modules1 # Configuration for the crypto modules in the TF-M Module
4 # SPDX-License-Identifier: Apache-2.0
12 default y
15 Unset this option if 'psa_generate_random' is not used.
19 default y
23 is not used.
27 default y
31 is not used.
35 default y
39 is not used.
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DKconfig.tfm1 # Configuration for the TF-M Module
5 # Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
6 # SPDX-License-Identifier: Apache-2.0
13 default "nxp/lpcxpresso55s69" if BOARD_LPCXPRESSO55S69_LPC55S69_CPU0_NS
14 default "arm/mps2/an521" if BOARD_MPS2_AN521_CPU0_NS
15 default "arm/mps3/corstone300/fvp" if BOARD_MPS3_CORSTONE300_FVP_NS
16 default "arm/mps3/corstone300/an547" if BOARD_MPS3_CORSTONE300_AN547_NS
17 default "arm/mps3/corstone300/an552" if BOARD_MPS3_CORSTONE300_AN552_NS
18 default "arm/mps3/corstone310/an555" if BOARD_MPS3_CORSTONE310_AN555_NS
19 default "arm/mps3/corstone310/fvp" if BOARD_MPS3_CORSTONE310_FVP_NS
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/Zephyr-latest/subsys/logging/backends/
DKconfig.rtt2 # SPDX-License-Identifier: Apache-2.0
5 bool "Segger J-Link RTT backend"
7 default y if !SHELL_BACKEND_RTT
13 is transferred to up-buffer at once depending on available space and
16 in up-buffer for a message and message is transferred to host.
22 default LOG_BACKEND_RTT_MODE_BLOCK
25 bool "Drop messages that do not fit in up-buffer."
27 If there is not enough space in up-buffer for a message, drop it.
29 Increase up-buffer size helps to reduce dropping of messages.
34 Waits until there is enough space in the up-buffer for a message.
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/Zephyr-latest/subsys/random/
DKconfig4 # SPDX-License-Identifier: Apache-2.0
9 bool "Allow non-random number generator"
11 This option signifies that a non-random number generator is allowed to
12 be used and the kernel's random number APIs are permitted to return
13 values that are not truly random.
16 number generator is not available. The non-random number generator
17 should not be used in a production environment.
19 This option is intended to be selected only by application-level
21 application is allowed to run with a random number generator that is not
22 truly random. Board-level configurations must not select this option
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/Zephyr-latest/subsys/demand_paging/eviction/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
8 default EVICTION_LRU if ARM64
9 default EVICTION_NRU
20 bool "Not Recently Used (NRU) page eviction algorithm"
22 This implements a Not Recently Used page eviction algorithm.
27 - recently accessed, dirty
28 - recently accessed, clean
29 - not recently accessed, dirty
30 - not recently accessed, clean
33 bool "Least Recently Used (LRU) page eviction algorithm"
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/Zephyr-latest/drivers/serial/
DKconfig.nrfx_uart_instance4 # SPDX-License-Identifier: Apache-2.0
10 default y
17 default y
23 depends on !$(dt_nodelabel_bool_prop,uart$(nrfx_uart_num),endtx-stoptx-supported)
24 default y
29 When enabled, polling out does not trigger interrupt which stops TX.
45 default 32
61 If default driver uses interrupts to count incoming bytes, it is possible
74 default y if !PM_DEVICE
77 when not used. Disabling UARTE while in idle allows to achieve lowest
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/Zephyr-latest/drivers/disk/nvme/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
11 driver to support these. It will enable MSI-X and MSI multi-vector
19 default 256
22 Do not touch this unless you know what you are doing.
27 default 1
30 Do not touch this unless you know what you are doing.
35 default 256
38 Do not touch this unless you know what you are doing.
42 default 2
44 This sets the amount of possible retries per-request.
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/Zephyr-latest/soc/microchip/mec/mec15xx/
DKconfig4 # SPDX-License-Identifier: Apache-2.0
24 default 1
39 default y
41 By default these pins are not GPIOs, but HW controlled.
42 Set this if VCI pin block HW logic is not required in the board
47 default SOC_MEC1501_DEBUG_WITHOUT_TRACING
56 pin is ignored. All other JTAG pins can be used as GPIOs
57 or other non-JTAG alternate functions.
62 JTAG port in SWD mode. UART2 and ADC00-03 can be used.
68 to see if ADC00-03 can be used or not.
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/Zephyr-latest/drivers/modem/
DKconfig.quectel-bg9x4 # SPDX-License-Identifier: Apache-2.0
14 Choose this setting to enable quectel BG9x LTE-CatM1/NB-IoT modem
21 default 1028
23 This stack is used by the quectel BG9X RX thread.
27 default 2048
29 This stack is used by the work queue to pass off net_pkt data
35 default "internet"
37 This setting is used to set the APN name for the network connection
43 default ""
45 This setting is used to set the User name for the network connection
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DKconfig.ublox-sara-r41 # u-blox SARA R4 driver options
4 # SPDX-License-Identifier: Apache-2.0
7 bool "U-blox SARA modem driver"
15 Choose this setting to enable u-blox SARA-R4 LTE-CatM1/NB-IoT modem
21 bool "u-blox SARA variant selection"
22 default MODEM_UBLOX_SARA_R4
25 bool "u-blox SARA-R4"
27 Enable support for SARA-R4 modem
30 bool "u-blox SARA-U2"
32 Enable support for SARA-U2 modem
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/Zephyr-latest/soc/espressif/common/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
13 ESP32 SoC has multiple revisions, some of which are not supported by the current
15 set this option to enable support for them. Note that this is not recommended and
20 default y if !BOOTLOADER_MCUBOOT && !MCUBOOT
23 Output is a single image that should be flashed at an offset defined by used SOC.
24 Please note that this method brings the system up with all memories set-up, but
25 all other features, such as secure boot OTA or slots management are not available.
29 default y
33 This is a memory pool used in runtime to create a new heap memory.
37 default 4096
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/Zephyr-latest/subsys/testsuite/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
19 default 2048 if COVERAGE_GCOV
20 default 768 if XTENSA
21 default 0
24 Additional stack for tests on some platform where default is not
38 This option will build your application with the -coverage option
39 which will generate data that can be used to create coverage reports.
45 default COVERAGE_NATIVE_GCOV if NATIVE_BUILD
46 default COVERAGE_GCOV if !NATIVE_BUILD
53 Build natively with the compiler standard `--coverage` options,
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/Zephyr-latest/dts/bindings/bluetooth/
Dnxp,bt-hci-uart.yaml2 # SPDX-License-Identifier: Apache-2.0
7 compatible: "nxp,bt-hci-uart"
12 sdio-reset-gpios:
13 type: phandle-array
16 w-disable-gpios:
17 type: phandle-array
20 hci-operation-speed:
23 HCI UART baudrate for feature operation. If not defined
24 bus/current-speed will be used as default.
26 hw-flow-control:
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/Zephyr-latest/subsys/ipc/rpmsg_service/
DKconfig1 # Copyright (c) 2020-2021 Nordic Semiconductor (ASA)
2 # SPDX-License-Identifier: Apache-2.0
4 # Workaround for not being able to have commas in macro arguments
11 default $(dt_chosen_enabled,$(DT_CHOSEN_Z_IPC))
13 This option must be selected when single IPM is used for
18 default $(dt_chosen_enabled,$(DT_CHOSEN_Z_IPC_TX)) && \
21 This option must be selected when separate IPMs are used for
49 default 2
56 default 2048
58 Size of stack used by work queue RX thread. This work queue is
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/Zephyr-latest/subsys/mgmt/mcumgr/grp/img_mgmt/
DKconfig2 # Copyright Nordic Semiconductor ASA 2020-2022. All rights reserved.
3 # SPDX-License-Identifier: Apache-2.0
10 # MCUMGR_GRP_IMG_ -- general group options;
34 be used. The context object is used by MCUMGR_GRP_IMG_MANAGER to buffer image writes
38 When the option is not enabled it increases static RAM use.
40 to allocate this context or it will not be possible to perform DFU; it may also not be
48 default UPDATEABLE_IMAGE_NUMBER
63 non-0 "rc" codes.
66 bool "Allow to confirm secondary slot of non-active image"
67 default y
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/Zephyr-latest/drivers/sensor/bosch/bmi160/
DKconfig4 # SPDX-License-Identifier: Apache-2.0
8 default y
20 default BMI160_TRIGGER_GLOBAL_THREAD
22 Specify the type of triggering to be used by the driver.
30 depends on $(dt_compat_any_has_prop,$(DT_COMPAT_BOSCH_BMI160),int-gpios)
36 depends on $(dt_compat_any_has_prop,$(DT_COMPAT_BOSCH_BMI160),int-gpios)
46 default 10
48 The priority of the thread used for handling interrupts.
53 default 1024
59 default BMI160_ACCEL_PMU_RUNTIME
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/Zephyr-latest/subsys/bluetooth/common/
DKconfig5 # SPDX-License-Identifier: Apache-2.0
12 default 37 if BT_MESH_GATT
13 default 27
16 Controller. This value does not include the HCI ACL header.
21 In a Host-only build the Host will read the maximum ACL size supported
36 default 7 if BT_HCI_RAW
37 default 4 if BT_MESH_GATT
38 default 3
53 default 200 if BT_CLASSIC
54 default 70 if BT_EATT
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/Zephyr-latest/dts/bindings/power/
Dst,stm32wb0-pwr.yaml2 # SPDX-License-Identifier: Apache-2.0
6 compatible: "st,stm32wb0-pwr"
8 include: "st,stm32-pwr.yaml"
11 smps-mode:
18 - SMPS converter disabled
19 - LDOs supply voltage: VDD
21 WARNING: The SMPS must not be disabled on board using the
29 - SMPS converter enabled - clock disabled
30 - LDOs supply voltage: VDD (though SMPS)
31 - Current supplied to LDOs can be limited
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/Zephyr-latest/share/sysbuild/images/bootloader/
DKconfig3 # SPDX-License-Identifier: Apache-2.0
7 default y
11 default y
15 default BOOTLOADER_NONE
21 Do not Include a bootloader in the build
35 default MCUBOOT_MODE_SWAP_WITHOUT_SCRATCH
42 MCUboot will only boot slot0_partition placed application and does not care about other
43 slots. In this mode application is not able to DFU its own update to secondary slot and
58 used as temporary storage when MCUboot swaps application from the secondary slot to the
67 with it. In this mode it is not possible to revert back to previous version as it is not
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/Zephyr-latest/soc/nordic/nrf54h/bicr/
Dbicr-schema.json13 "Unconfigured (system will not boot)",
14 "VDDH supplied with 2.1-5.5 V and VDD regulated by the chip (inductor present)",
22 "default": "UNCONFIGURED" string
37 "Not supplied (P1 not used)",
46 "default": "DISCONNECTED" string
52 "Not supplied (P2 not used)",
61 "default": "DISCONNECTED" string
67 "Not supplied (P6 not used)",
76 "default": "DISCONNECTED" string
82 "Not supplied (P7 not used)",
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/Zephyr-latest/subsys/fs/ext2/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
13 module-str = Ext2
23 default 10
28 default 4096
30 This flag is used to determine size of internal structures that
31 are used to store fetched blocks.
34 int "Maximum number of blocks that might be used"
35 default 10
37 This flag is used to determine size of internal structures that
38 are used to store fetched blocks.
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/Zephyr-latest/samples/drivers/video/capture/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
10 default 0
12 Height of the video frame. If set to 0, the default height is used.
16 default 0
18 Width of the video frame. If set to 0, the default width is used.
23 Pixel format of the video frame. If not set, the default pixel format is used.
/Zephyr-latest/lib/os/
DKconfig.cbprintf2 # SPDX-License-Identifier: Apache-2.0
6 default CBPRINTF_COMPLETE
15 # 80: -53% / 982 B (80 / 00)
17 bool "Space-optimized but feature-limited"
29 default CBPRINTF_FULL_INTEGRAL
39 Selecting this may increase code size on 32-bit systems as
52 with more than 32 bits. This includes not only intmax_t but any
56 With CBPRINTF_COMPLETE conversions that may result in value-specific
57 truncation are not supported, and the generated text will be the
68 default y if FPU
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/Zephyr-latest/dts/bindings/auxdisplay/
Dhit,hd44780.yaml4 # SPDX-License-Identifier: Apache-2.0
11 include: [auxdisplay-device.yaml]
17 description: Operating mode of display, 8-bit or 4 for 4-bit mode
19 - 4
20 - 8
22 register-select-gpios:
23 type: phandle-array
27 read-write-gpios:
28 type: phandle-array
29 description: Optional GPIO used for selecting read or write mode
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/Zephyr-latest/drivers/flash/
DKconfig4 # SPDX-License-Identifier: Apache-2.0
23 Device does not do erase-on-write (erase-on-program, auto-erase
26 some other value, as program can only change bits from erased-value
29 been separated from write, EEPROM has erase-on-write, giving
31 Note that explicit-erase capability does not warrants that
32 write without erase is not allowed, taking the above restrictions,
40 such characteristic and is used and may be used by users to provide
42 optimized-out by compiler in case where there is no such device in
48 Device does not require explicit erase before programming
51 Note that the device may have erase-on-write (auto-erase),
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