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Searched refs:descriptor (Results 1 – 25 of 62) sorted by relevance

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/Zephyr-latest/drivers/ethernet/
DKconfig.cyclonev14 int "Number of entries in the transmit descriptor ring"
27 int "Number of entries in the receive descriptor ring"
33 There is one descriptor entry per fragment.
DKconfig.dwmac42 int "Number of entries in the transmit descriptor ring"
55 int "Number of entries in the receive descriptor ring"
61 There is one descriptor entry per fragment.
DKconfig.xmc4xxx26 Number of TX DMA descriptors. Each descriptor stores the memory address of a
33 Number of RX DMA descriptors. Each descriptor stores the memory address of a
/Zephyr-latest/samples/posix/eventfd/
DREADME.rst4 Use ``eventfd()`` to create a file descriptor for event notification.
9 This sample application demonstrates using the POSIX eventfd() function to create a file descriptor,
10 which can be used for event notification. The returned file descriptor is used with write/read calls
/Zephyr-latest/drivers/sdhc/
DKconfig.mcux_sdif29 int "Size of DMA descriptor buffer in bytes"
32 Size of MCUX SDIF DMA descriptor buffer in bytes
DKconfig.imx36 int "Size of DMA descriptor buffer in bytes"
39 Size of USDHC ADMA descriptor buffer in bytes
/Zephyr-latest/boards/nxp/rd_rw612_bga/
DKconfig.defconfig14 # Increase descriptor count. LVGL will allocate a 30KB buffer,
16 # 1KB limit per descriptor, we need 60
/Zephyr-latest/doc/services/binary_descriptors/
Dindex.rst47 descriptor. For example, the ID of the app version string is ``0x800``, and a string
49 number equal to the length of the data in bytes. The data is the actual descriptor
50 value. All binary descriptor numbers (magic, tags, uints) are laid out in memory
55 The binary descriptor header starts with the magic number ``0xb9863e5a7ea46046``. It's followed
57 always aligned to 32 bits. If the value of the previous descriptor had a non-aligned
71 the example above, a descriptor can be generated from any string or integer, with any
75 1. The ``west bindesc`` tool would be able to recognize what the descriptor means and
78 3. It allows upstream-ability of descriptor generation (see Standard Descriptors)
80 To define a descriptor with a standard tag, just use the tags included from ``bindesc.h``:
111 By convention, each Kconfig symbol corresponds to a binary descriptor whose
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/Zephyr-latest/subsys/usb/device/
DKconfig52 bool "USB configuration string descriptor support"
54 Enable string descriptor that describes the default configuration.
55 Since there is only one configuration, this string descriptor may not
61 string "USB configuration string descriptor"
64 String descriptor that describes the default configuration.
71 This option modifies the code triple in the device descriptor
/Zephyr-latest/drivers/dma/
DKconfig.dw_axi_dmac17 int "allocate number of lli descriptor"
20 creates number of descriptor per channel in a statically allocated pool.
Ddma_xilinx_axi_dma.c380 volatile const struct dma_xilinx_axi_dma_sg_descriptor *descriptor) in dma_xilinx_axi_dma_channel_has_error() argument
427 if (descriptor->status & XILINX_AXI_DMA_SG_DESCRIPTOR_STATUS_DEC_ERR_MASK) { in dma_xilinx_axi_dma_channel_has_error()
428 LOG_ERR("Descriptor has SG decode error, status=%" PRIx32, descriptor->status); in dma_xilinx_axi_dma_channel_has_error()
432 if (descriptor->status & XILINX_AXI_DMA_SG_DESCRIPTOR_STATUS_SLV_ERR_MASK) { in dma_xilinx_axi_dma_channel_has_error()
433 LOG_ERR("Descriptor has SG slave error, status=%" PRIx32, descriptor->status); in dma_xilinx_axi_dma_channel_has_error()
437 if (descriptor->status & XILINX_AXI_DMA_SG_DESCRIPTOR_STATUS_INT_ERR_MASK) { in dma_xilinx_axi_dma_channel_has_error()
438 LOG_ERR("Descriptor has SG internal error, status=%" PRIx32, descriptor->status); in dma_xilinx_axi_dma_channel_has_error()
DKconfig.mcux_lpc17 Each DMA descriptor can be used to transfer (1024*width) bytes of data.
/Zephyr-latest/samples/subsys/bindesc/read_bindesc/
DREADME.rst10 A simple sample of :ref:`binary descriptor <binary_descriptors>` definition and reading.
/Zephyr-latest/subsys/lorawan/services/
Dfrag_transport.c85 uint32_t descriptor; member
178 ctx.descriptor = sys_get_le32(rx_buf + rx_pos); in frag_transport_package_callback()
184 ctx.descriptor); in frag_transport_package_callback()
/Zephyr-latest/subsys/bindesc/
DKconfig28 Determines the maximum size of a binary descriptor's data. The theoretical
70 Any descriptor that exceeds this size will be ignored.
/Zephyr-latest/samples/subsys/bindesc/hello_bindesc/
DREADME.rst10 A simple sample of :ref:`binary descriptor <binary_descriptors>` definition and usage.
/Zephyr-latest/include/zephyr/linker/
Dcommon-ram.ld106 *(".usb.descriptor")
107 KEEP(*(SORT_BY_NAME(".usb.descriptor*")))
/Zephyr-latest/doc/kernel/services/data_passing/
Dmailboxes.rst43 A **message descriptor** is a data structure that specifies where a message's
45 Both the sending thread and the receiving thread supply a message descriptor
48 The mailbox also updates certain message descriptor fields during the exchange,
141 A message descriptor is a structure of type :c:struct:`k_mbox_msg`.
182 Next, the sending thread creates a message descriptor that characterizes
200 the sending thread can examine the message descriptor to determine
304 A thread receives a message by first creating a message descriptor that
312 can examine the message descriptor to determine which thread sent the message,
351 message descriptor to indicate how many data bytes were copied (if any).
407 However, the mailbox still updates the receiving thread's message descriptor
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/Zephyr-latest/lib/posix/options/
DKconfig.fd_mgmt6 bool "POSIX file descriptor management"
/Zephyr-latest/doc/hardware/peripherals/
Di3c.rst94 the relevant fields in the I3C target device descriptor
108 * Also, set the BCR and DCR fields in the device descriptor
115 * Note that the I3C API requires device descriptor to
116 function. A device without a device descriptor cannot be
297 this device descriptor from the controller using
312 descriptor from the I2C device address. This adds a bit of processing
318 retrieve the pointer to the device descriptor. This pointer can be used
Ddma.rst40 ISR-allowable calls. Many drivers choose to create a simple static descriptor array per channel with
41 the size of the descriptor array adjustable using Kconfig.
/Zephyr-latest/lib/os/zvfs/
DKconfig18 bool "ZVFS event file descriptor support"
/Zephyr-latest/lib/os/
DKconfig7 bool "File descriptor table"
9 This file provides generic file descriptor table implementation, suitable
/Zephyr-latest/drivers/interrupt_controller/
Dintc_intel_vtd.c118 struct qi_descriptor *descriptor) in vtd_qi_send() argument
128 desc->low = descriptor->low; in vtd_qi_send()
129 desc->high = descriptor->high; in vtd_qi_send()
/Zephyr-latest/subsys/usb/device/class/hid/
DKconfig54 in the report descriptor and report itself.

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