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/Zephyr-latest/subsys/portability/cmsis_rtos_v2/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
13 This enables CMSIS RTOS v2 API support. This is an OS-integration
23 Max number of threads in CMSIS RTOS V2 application that can be created with
31 Max number of threads in CMSIS RTOS V2 application that can be created with
35 int "Max stack size threads can be allocated in CMSIS RTOS V2 application"
39 Mention max stack size threads can be allocated in CMSIS RTOS V2 application.
42 int "Dynamic stack size threads are allocated in CMSIS RTOS V2 application"
46 Mention dynamic stack size threads are allocated in CMSIS RTOS V2 application.
49 int "Maximum dynamically-allocated timers in CMSIS RTOS V2 application"
57 int "Maximum dynamically-allocated mutexes in CMSIS RTOS V2 application"
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/Zephyr-latest/samples/basic/sys_heap/
DREADME.rst1 .. zephyr:code-sample:: sys-heap
17 .. zephyr-app-commands::
18 :zephyr-app: samples/basic/sys_heap
19 :host-os: unix
34 .. code-block:: console
38 allocated 0, free 196, max allocated 0, heap size 256
39 allocated 156, free 36, max allocated 156, heap size 256
40 allocated 100, free 92, max allocated 156, heap size 256
41 allocated 0, free 196, max allocated 156, heap size 256
/Zephyr-latest/soc/nuvoton/npcx/
DKconfig1 # Nuvoton Cortex-M4 Embedded Controller
4 # SPDX-License-Identifier: Apache-2.0
47 This selects the max clock rate that will be used for loading firmware
51 bool "SPI flash max clock rate of 20 MHz"
54 bool "SPI flash max clock rate of 25 MHz"
57 bool "SPI flash max clock rate of 33 MHz"
61 bool "SPI flash max clock rate of 40 MHz"
64 bool "SPI flash max clock rate of 50 MHz"
137 prompt "Flash size"
142 This sets the SPI flash size.
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/Zephyr-latest/drivers/video/
Dvideo_common.c5 * SPDX-License-Identifier: Apache-2.0
16 #define VIDEO_COMMON_HEAP_ALLOC(align, size, timeout) \ argument
17 shared_multi_heap_aligned_alloc(CONFIG_VIDEO_BUFFER_SMH_ATTRIBUTE, align, size)
21 #define VIDEO_COMMON_HEAP_ALLOC(align, size, timeout) \ argument
22 k_heap_aligned_alloc(&video_buffer_pool, align, size, timeout);
34 struct video_buffer *video_buffer_aligned_alloc(size_t size, size_t align, k_timeout_t timeout) in video_buffer_aligned_alloc() argument
54 block->data = VIDEO_COMMON_HEAP_ALLOC(align, size, timeout); in video_buffer_aligned_alloc()
55 if (block->data == NULL) { in video_buffer_aligned_alloc()
59 vbuf->buffer = block->data; in video_buffer_aligned_alloc()
60 vbuf->size = size; in video_buffer_aligned_alloc()
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/Zephyr-latest/subsys/bluetooth/audio/
DKconfig.mpl1 # Bluetooth Audio - Media player configuration options
6 # SPDX-License-Identifier: Apache-2.0
14 mock-up with no actual media being played.
27 int "Max length of media player name"
41 int "Max length of media player icon URL"
49 int "Max length of the title of a track"
57 int "Max length of the name of a track segment"
65 int "Max length of the title of a group of tracks"
86 int "Total memory size to use for storing the content of objects"
90 Sets the total memory size (in octets) to use for storing the content of objects.
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DKconfig.vocs1 # Bluetooth Audio - Volume Offset Control Service options
5 # SPDX-License-Identifier: Apache-2.0
11 int "Volume Offset Control Service max instance count"
28 int "Volume Offset Control Service max output description size"
32 This option sets the maximum output description size in octets.
39 int "Volume Offset Control Service client max instance count"
DKconfig.aics1 # Bluetooth Audio - Audio Input Control Service options
6 # SPDX-License-Identifier: Apache-2.0
12 int "Audio Input Control Service max instance count"
30 int "Audio Input Control Service max input description size"
34 This option sets the maximum input description size in octets.
41 int "Audio Input Control Service client max instance count"
/Zephyr-latest/drivers/dma/
DKconfig.dw_axi_dmac4 # SPDX-License-Identifier: Apache-2.0
27 This flag can be enabled if hardware support Linked List multi-block transfer
33 Max timeout to abort or disable the channel
36 int "max burst transaction length"
39 set max number of source and destination data units supported
48 int "max block size"
51 update this config to set maximum value of block size
/Zephyr-latest/tests/drivers/build_all/flash/
Dspi.dtsi3 * SPDX-License-Identifier: Apache-2.0
10 spi-max-frequency = <5000000>;
11 jedec-id = [00 11 22];
12 size = <1048576>;
13 sector-size = <1>;
14 sector-0a-pages = <1>;
15 block-size = <1>;
16 page-size = <1>;
19 spi-nor@1 {
20 compatible = "jedec,spi-nor";
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/Zephyr-latest/dts/bindings/mtd/
Dgd,gd32-nv-flash-v2.yaml2 # SPDX-License-Identifier: Apache-2.0
8 - GD32F10x
9 - GD32F20x
10 - GD32F30x
11 - GD32F403
13 include: soc-nv-flash.yaml
15 compatible: gd,gd32-nv-flash-v2
18 max-erase-time-ms:
21 description: Max erase time(millisecond) of a flash page
23 bank0-page-size:
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Dst,stm32-nv-flash.yaml5 For that, see the "st,stm32-flash-controller" binding.
7 include: soc-nv-flash.yaml
9 compatible: st,stm32-nv-flash
12 max-erase-time:
14 description: max erase time(millisecond) of a flash sector or page or half-page
16 bank2-flash-size:
19 Embedded flash memory bank 2 size in KBytes.
20 Used by CM4 CPU because it cannot access flash controller register to read size.
21 Provides a way to configure this size when the flash controller driver runs on CM4 CPU.
Dgd,gd32-nv-flash-v1.yaml2 # SPDX-License-Identifier: Apache-2.0
8 - GD32C10x
9 - GD32C11x
10 - GD32E10x
11 - GD32E11x
12 - GD32E50x
13 - GD32F3x0
14 - GD32F1x0
15 - GD32E23x
16 - GD32VF103
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/Zephyr-latest/doc/_extensions/zephyr/domain/static/css/
Dboard-catalog.css2 * Copyright (c) 2024-2025, The Linux Foundation.
3 * SPDX-License-Identifier: Apache-2.0
10 .filter-form {
12 flex-wrap: wrap;
14 margin-bottom: 20px;
17 .filter-form input,
18 .filter-form select {
20 font-family: var(--system-font-family);
21 font-size: 14px;
22 border-radius: 50px;
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/Zephyr-latest/samples/subsys/rtio/sensor_batch_processing/
Dapp.overlay4 * SPDX-License-Identifier: Apache-2.0
9 #address-cells = <1>;
10 #size-cells = <0>;
15 sample-period = <100>;
16 sample-size = <16>;
17 max-msgs = <8>;
24 sample-period = <120>;
25 sample-size = <16>;
26 max-msgs = <4>;
/Zephyr-latest/dts/arc/synopsys/
Demsdp.dtsi4 * SPDX-License-Identifier: Apache-2.0
9 //#include <zephyr/dt-bindings/i2c/i2c.h>
10 #include <zephyr/dt-bindings/gpio/gpio.h>
16 #address-cells = <1>;
17 #size-cells = <0>;
26 intc: arcv2-intc {
27 compatible = "snps,arcv2-intc";
28 interrupt-controller;
29 #interrupt-cells = <2>;
33 compatible = "snps,arc-timer";
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/Zephyr-latest/dts/bindings/ethernet/
Datmel,gmac-common.yaml2 # Copyright (c) 2020-2021 Gerson Fernando Budke <nandojve@gmail.com>
3 # SPDX-License-Identifier: Apache-2.0
6 - name: ethernet-controller.yaml
7 - name: pinctrl-device.yaml
13 phy-handle:
16 num-queues:
22 max-frame-size:
26 Maximum ethernet frame size. The current ethernet frame sizes
28 means that normally gmac will reject any frame above max-frame-size
38 max-speed:
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/Zephyr-latest/tests/drivers/build_all/gpio/
Dadc_ads1x4s0x_gpio.overlay4 * SPDX-License-Identifier: Apache-2.0
9 #address-cells = <1>;
10 #size-cells = <1>;
14 gpio-controller;
16 #gpio-cells = <0x2>;
21 #address-cells = <1>;
22 #size-cells = <0>;
26 clock-frequency = <2000000>;
28 cs-gpios = <&test_gpio 0 0>;
33 spi-max-frequency = <10000000>;
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/Zephyr-latest/tests/drivers/build_all/ethernet/
Dspi_devices.overlay4 * SPDX-License-Identifier: Apache-2.0
9 * with real-world devicetree nodes, to allow these tests to run on
15 #address-cells = <1>;
16 #size-cells = <1>;
20 gpio-controller;
22 #gpio-cells = <0x2>;
27 #address-cells = <1>;
28 #size-cells = <0>;
32 clock-frequency = <2000000>;
35 cs-gpios = <&test_gpio 0 0>,
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/Zephyr-latest/samples/drivers/spi_flash_at45/boards/
Dnrf9160dk_nrf9160.overlay4 * SPDX-License-Identifier: Apache-2.0
21 low-power-enable;
27 pinctrl-0 = <&spi3_default_alt>;
28 pinctrl-1 = <&spi3_sleep_alt>;
29 pinctrl-names = "default", "sleep";
30 cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>,
36 spi-max-frequency = <15000000>;
37 jedec-id = [1f 24 00];
38 size = <4194304>;
39 sector-size = <65536>;
[all …]
/Zephyr-latest/dts/bindings/espi/
Dnuvoton,npcx-espi-taf.yaml2 # SPDX-License-Identifier: Apache-2.0
10 compatible = "nuvoton,npcx-espi-taf";
13 mapped-addr = <0x68000000>;
14 max-read-sz = "NPCX_ESPI_TAF_MAX_READ_REQ_64B";
15 erase-sz = "NPCX_ESPI_TAF_ERASE_BLOCK_SIZE_4KB";
17 #address-cells = <1>;
18 #size-cells = <1>;
22 compatible: "nuvoton,npcx-espi-taf"
24 include: [espi-controller.yaml, pinctrl-device.yaml]
27 mapped-addr:
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/Zephyr-latest/subsys/bindesc/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
8 Binary Descriptors - constant data accessible outside of the executable image
24 int "Bindesc max data size"
28 Determines the maximum size of a binary descriptor's data. The theoretical
42 module-str = Binary Descriptor read
64 int "Bindesc read flash max data size"
68 The maximum expected size of the descriptors' data. This should be set to
70 Any descriptor that exceeds this size will be ignored.
/Zephyr-latest/tests/subsys/ipc/ipc_sessions/interoperability/
Dpbuf_v1.h4 * SPDX-License-Identifier: Apache-2.0
24 /** @brief Size of packet length field. */
58 uint32_t dcache_alignment; /* CPU data cache line size in bytes.
59 * Used for validation - TODO: To be
112 * @param size Size of the memory.
115 #define PBUF_CFG_INIT(mem_addr, size, dcache_align) \ argument
119 MAX(dcache_align, _PBUF_IDX_SIZE)), \
121 MAX(dcache_align, _PBUF_IDX_SIZE) + _PBUF_IDX_SIZE), \
122 .len = (uint32_t)((uint32_t)(size) - MAX(dcache_align, _PBUF_IDX_SIZE) - \
135 (MAX(dcache_align, _PBUF_IDX_SIZE) + _PBUF_IDX_SIZE)
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/Zephyr-latest/subsys/bluetooth/services/ots/
DKconfig3 # Copyright (c) 2020-2022 Nordic Semiconductor ASA
4 # SPDX-License-Identifier: Apache-2.0
87 # Given the maximum size of a directory listing record (172) and the maximum size of an
88 # object using the net_buf implementation is 2^16-1, the maximum number of objects is given
89 # by 2^16-1 / 172 = 381 == 0x17D)
91 # Max obj count is otherwise the non-RFU IDs available
95 int "Size of TX MTU for Object Transfer Channel"
100 int "Size of RX MTU for Object Transfer Channel"
107 # Max name length allowed by OTS spec is 120 octets
108 # TODO: Set separate max name length for client, as other
/Zephyr-latest/include/zephyr/bluetooth/
Dbuf.h8 * SPDX-License-Identifier: Apache-2.0
58 #define BT_BUF_SIZE(size) (BT_BUF_RESERVE + (size)) argument
60 /** Helper to calculate needed buffer size for HCI ACL packets */
61 #define BT_BUF_ACL_SIZE(size) BT_BUF_SIZE(BT_HCI_ACL_HDR_SIZE + (size)) argument
63 /** Helper to calculate needed buffer size for HCI Event packets. */
64 #define BT_BUF_EVT_SIZE(size) BT_BUF_SIZE(BT_HCI_EVT_HDR_SIZE + (size)) argument
66 /** Helper to calculate needed buffer size for HCI Command packets. */
67 #define BT_BUF_CMD_SIZE(size) BT_BUF_SIZE(BT_HCI_CMD_HDR_SIZE + (size)) argument
69 /** Helper to calculate needed buffer size for HCI ISO packets. */
70 #define BT_BUF_ISO_SIZE(size) BT_BUF_SIZE(BT_HCI_ISO_HDR_SIZE + \ argument
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/Zephyr-latest/drivers/spi/spi_nxp_lpspi/
Dspi_nxp_lpspi_common.c4 * SPDX-License-Identifier: Apache-2.0
22 struct spi_mcux_data *data = dev->data; in spi_mcux_release()
24 spi_context_unlock_unconditionally(&data->ctx); in spi_mcux_release()
31 const struct spi_mcux_config *config = dev->config; in spi_mcux_configure()
32 struct spi_mcux_data *data = dev->data; in spi_mcux_configure()
33 struct spi_context *ctx = &data->ctx; in spi_mcux_configure()
35 uint32_t word_size = SPI_WORD_SIZE_GET(spi_cfg->operation); in spi_mcux_configure()
36 bool configured = ctx->config != NULL; in spi_mcux_configure()
49 if (spi_cfg->operation & SPI_HALF_DUPLEX) { in spi_mcux_configure()
51 LOG_ERR("Half-duplex not supported"); in spi_mcux_configure()
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