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/Zephyr-latest/drivers/sensor/maxim/max30101/
DKconfig4 # SPDX-License-Identifier: Apache-2.0
7 bool "MAX30101 Pulse Oximeter and Heart Rate Sensor"
63 bool "Multi-LED mode"
65 Set to operate in multi-LED mode. The green, red, and/or IR LED
75 Set the ADC's full-scale range.
87 pulse/conversion per active LED channel. In SpO2 mode, these means
88 one IR pulse/conversion and one red pulse/conversion per sample
100 hex "LED1 (red) pulse amplitude"
104 Set the pulse amplitude to control the LED1 (red) current. The actual
114 hex "LED2 (IR) pulse amplitude"
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Dmax30101.c4 * SPDX-License-Identifier: Apache-2.0
18 struct max30101_data *data = dev->data; in max30101_sample_fetch()
19 const struct max30101_config *config = dev->config; in max30101_sample_fetch()
27 num_bytes = data->num_channels * MAX30101_BYTES_PER_CHANNEL; in max30101_sample_fetch()
28 if (i2c_burst_read_dt(&config->i2c, MAX30101_REG_FIFO_DATA, buffer, in max30101_sample_fetch()
31 return -EIO; in max30101_sample_fetch()
36 /* Each channel is 18-bits */ in max30101_sample_fetch()
42 data->raw[fifo_chan++] = fifo_data; in max30101_sample_fetch()
52 struct max30101_data *data = dev->data; in max30101_channel_get()
71 return -ENOTSUP; in max30101_channel_get()
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/Zephyr-latest/include/zephyr/drivers/
Dpwm.h3 * Copyright (c) 2020-2021 Vestas Wind Systems A/S
5 * SPDX-License-Identifier: Apache-2.0
34 #include <zephyr/dt-bindings/pwm/pwm.h>
57 /** PWM pin capture captures pulse width. */
60 /** PWM pin capture captures both period and pulse width. */
64 /** PWM pin capture captures a single period/pulse width. */
67 /** PWM pin capture captures period/pulse width continuously. */
121 * pwm-names = "alpha", "beta";
146 * @param name Lowercase-and-underscores name of a pwms element as defined by
147 * the node's pwm-names property.
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/Zephyr-latest/dts/bindings/sensor/
Dvishay,vcnl36825t.yaml2 # SPDX-License-Identifier: Apache-2.0
10 include: [sensor-device.yaml, i2c-device.yaml]
13 operation-mode:
19 - "auto": the sensor performs sampling continuously,
20 - "force": the sampling is performed on every fetch command.
24 Note: "force"-mode only available if low-power mode inactive.
26 measurement-period:
34 - [10, 80] ms only if low power mode is inactive
35 - [80, 320] ms only in low power mode
37 Defaults to 40 ms which is supported in both normal and low-power mode.
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/Zephyr-latest/include/zephyr/bluetooth/
Dgap.h8 * SPDX-License-Identifier: Apache-2.0
42 #define BT_DATA_UUID16_SOME 0x02 /**< 16-bit UUID, more available */
43 #define BT_DATA_UUID16_ALL 0x03 /**< 16-bit UUID, all listed */
44 #define BT_DATA_UUID32_SOME 0x04 /**< 32-bit UUID, more available */
45 #define BT_DATA_UUID32_ALL 0x05 /**< 32-bit UUID, all listed */
46 #define BT_DATA_UUID128_SOME 0x06 /**< 128-bit UUID, more available */
47 #define BT_DATA_UUID128_ALL 0x07 /**< 128-bit UUID, all listed */
52 #define BT_DATA_SIMPLE_PAIRING_HASH_C192 0x0e /**< Simple Pairing Hash C-192 */
53 #define BT_DATA_SIMPLE_PAIRING_RAND_C192 0x0f /**< Simple Pairing Randomizer R-192 */
58 #define BT_DATA_SOLICIT16 0x14 /**< Solicit UUIDs, 16-bit */
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/Zephyr-latest/boards/96boards/avenger96/doc/
Dindex.rst10 multi-core processor, composed of a dual Cortex®-A7 and a single Cortex®-M4
11 core. Zephyr OS is ported to run on the Cortex®-M4 core.
13 - Board features:
15 - PMIC: STPMIC1A
16 - RAM: 1024 Mbyte @ 533MHz
17 - Storage:
19 - eMMC: v4.51: 8 Gbyte
20 - QSPI: 2Mbyte
21 - EEPROM: 128 byte
22 - microSD Socket: UHS-1 v3.01
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/Zephyr-latest/doc/kernel/
Dtimeutil.rst19 discontinuities due to `leap seconds <https://what-if.xkcd.com/26/>`__ and
48 <https://tools.ietf.org/html/rfc8536#section-2>`__.
61 Sub-second timestamps like ``struct timespec`` can also use this to produce
62 the calendar time representation and deal with sub-second offsets separately.
84 conditioned by a 1-pulse-per-second GPS signal will be much more accurate
85 than a Zephyr system clock driven by a RC oscillator with a +/- 250 ppm
88 Synchronization or alignment between time scales is done with a multi-step
91 * An instant in a time scale is represented by an (unsigned) 64-bit integer,
115 <https://www.loc.gov/standards/datetime/iso-tc154-wg5_n0038_iso_wd_8601-1_2016-02-16.pdf>`__
116 (ISO/WD 8601-1) and elsewhere:
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/Zephyr-latest/boards/st/stm32mp157c_dk2/doc/
Dstm32mp157_dk2.rst6 The STM32MP157-DK2 Discovery board leverages the capacities of the STM32MP157
7 multi-core processor,composed of a dual Cortex®-A7 and a single Cortex®-M4 core.
8 Zephyr OS is ported to run on the Cortex®-M4 core.
10 - Common features:
12 - STM32MP157:
14 - Arm®-based dual Cortex®-A7 32 bits
15 - Cortex®-M4 32 bits
16 - embedded SRAM (448 Kbytes) for Cortex®-M4.
18 - ST PMIC STPMIC1A
19 - 4-Gbit DDR3L, 16 bits, 533 MHz
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/Zephyr-latest/boards/ezurio/bt510/doc/
Dbt510.rst6 …tooth v5 Long Range integrated sensor that uses a Nordic Semiconductor nRF52840 ARM Cortex-M4F CPU.
14 * :abbr:`I2C (Inter-Integrated Circuit)`
17 * :abbr:`PWM (Pulse Width Modulation)`
21 * :abbr:`UART (Universal Asynchronous Receiver-Transmitter)`
42 +-----------+------------+----------------------+
45 | ADC | on-chip | adc |
46 +-----------+------------+----------------------+
47 | CLOCK | on-chip | clock_control |
48 +-----------+------------+----------------------+
49 | FLASH | on-chip | flash |
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/Zephyr-latest/soc/nuvoton/npcx/common/reg/
Dreg_def.h4 * SPDX-License-Identifier: Apache-2.0
20 * must meet the alignment requirement of cortex-m4.
44 __ASSERT(reg == val, "16-bit reg access failed!"); \
50 __ASSERT(reg == val, "32-bit reg access failed!"); \
90 /* 0x102: High-Frequency Reference Divisor I */
92 /* 0x104: High-Frequency Reference Divisor F */
127 /* 0x008 - 0D: Power-Down Control 1 - 6 */
130 /* 0x020 - 21: Power-Down Control 1 - 2 */
133 /* 0x024: Power-Down Control 7 */
137 /* PMC internal inline functions for multi-registers */
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/Zephyr-latest/tests/drivers/build_all/sensor/
Di2c.dtsi4 * SPDX-License-Identifier: Apache-2.0
9 #include <zephyr/dt-bindings/sensor/lsm6dsv16x.h>
10 #include <zephyr/dt-bindings/sensor/lsm6dso.h>
11 #include <zephyr/dt-bindings/sensor/lsm6dso16is.h>
12 #include <zephyr/dt-bindings/sensor/lps22hh.h>
13 #include <zephyr/dt-bindings/sensor/lps2xdf.h>
14 #include <zephyr/dt-bindings/sensor/lis2ds12.h>
15 #include <zephyr/dt-bindings/sensor/lis2dw12.h>
16 #include <zephyr/dt-bindings/sensor/ism330dhcx.h>
17 #include <zephyr/dt-bindings/sensor/iis2dlpc.h>
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/Zephyr-latest/drivers/i2c/
Di2c_gd32.c4 * SPDX-License-Identifier: Apache-2.0
25 #include "i2c-priv.h"
59 I2C_CTL1(cfg->reg) |= I2C_CTL1_ERRIE; in i2c_gd32_enable_interrupts()
60 I2C_CTL1(cfg->reg) |= I2C_CTL1_EVIE; in i2c_gd32_enable_interrupts()
61 I2C_CTL1(cfg->reg) |= I2C_CTL1_BUFIE; in i2c_gd32_enable_interrupts()
66 I2C_CTL1(cfg->reg) &= ~I2C_CTL1_ERRIE; in i2c_gd32_disable_interrupts()
67 I2C_CTL1(cfg->reg) &= ~I2C_CTL1_EVIE; in i2c_gd32_disable_interrupts()
68 I2C_CTL1(cfg->reg) &= ~I2C_CTL1_BUFIE; in i2c_gd32_disable_interrupts()
74 data->current->len--; in i2c_gd32_xfer_read()
75 *data->current->buf = I2C_DATA(cfg->reg); in i2c_gd32_xfer_read()
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/Zephyr-latest/boards/ezurio/bl5340_dvk/doc/
Dindex.rst6 BL5340 module which is powered by a dual-core Nordic Semiconductor
7 nRF5340 ARM Cortex-M33F CPU. The nRF5340 inside the BL5340 module is a
8 dual-core SoC based on the Arm® Cortex®-M33 architecture, with:
10 * a full-featured Arm Cortex-M33F core with DSP instructions, FPU, and
11 Armv8-M Security Extension, running at up to 128 MHz, referred to as
13 * a secondary Arm Cortex-M33 core, with a reduced feature set, running
20 non-secure partition of the application core on the BL5340 module.
29 * :abbr:`I2C (Inter-Integrated Circuit)`
30 * :abbr:`I2S (Inter-Integrated Sound)`
33 * :abbr:`PWM (Pulse Width Modulation)`
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/Zephyr-latest/doc/releases/
Drelease-notes-3.0.rst22 * CVE-2021-3835: `Zephyr project bug tracker GHSA-fm6v-8625-99jf
23 <https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf>`_
25 * CVE-2021-3861: `Zephyr project bug tracker GHSA-hvfp-w4h8-gxvj
26 <https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hvfp-w4h8-gxvj>`_
28 * CVE-2021-3966: `Zephyr project bug tracker GHSA-hfxq-3w6x-fv2m
29 <https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m>`_
36 <https://github.com/zephyrproject-rtos/zephyr/issues?q=is%3Aissue+is%3Aopen+label%3Abug>`_.
53 * Added ``ranges`` and ``dma-ranges`` as invalid property to be used with DT_PROP_LEN()
58 CRC-16-ANSI checksum. A new function, :c:func:`crc16_reflect`, has been
69 * The following Kconfig options related to radio front-end modules (FEMs) were
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Drelease-notes-2.5.rst27 * CVE-2021-3323: Under embargo until 2021-04-14
28 * CVE-2021-3321: Under embargo until 2021-04-14
29 * CVE-2021-3320: Under embargo until 2021-04-14
39 <https://github.com/zephyrproject-rtos/zephyr/issues?q=is%3Aissue+is%3Aopen+label%3Abug>`_.
56 * Changed vcnl4040 dts binding default for property 'proximity-trigger'.
63 * The :c:func:`mqtt_keepalive_time_left` function now returns -1 if keep alive
67 timeout usage must use the new-style k_timeout_t type and not the
87 GPIO-only regulators a devicetree property ``supply-gpios`` is defined as a
101 * ARM Musca-A board and SoC support deprecated and planned to be removed in 2.6.0.
146 sys_heap/k_heaps. Note that the new-style heap is a general
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Drelease-notes-2.4.rst33 * CVE-2020-10060: UpdateHub Might Dereference An Uninitialized Pointer
34 * CVE-2020-10064: Improper Input Frame Validation in ieee802154 Processing
35 * CVE-2020-10066: Incorrect Error Handling in Bluetooth HCI core
36 * CVE-2020-10072: all threads can access all socket file descriptors
37 * CVE-2020-13598: FS: Buffer Overflow when enabling Long File Names in FAT_FS and calling fs_stat
38 * CVE-2020-13599: Security problem with settings and littlefs
39 * CVE-2020-13601: Under embargo until 2020/11/18
40 * CVE-2020-13602: Remote Denial of Service in LwM2M do_write_op_tlv
50 <https://github.com/zephyrproject-rtos/zephyr/issues?q=is%3Aissue+is%3Aopen+label%3Abug>`_.
62 * The :c:func:`wdt_feed` function will now return ``-EAGAIN`` if
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Drelease-notes-2.3.rst18 with future support for features like 64-bit and absolute timeouts in mind
21 * Zephyr now integrates with the TF-M (Trusted Firmware M) PSA-compliant
24 * The CMSIS-DSP library is now included and integrated
33 * CVE-2020-10022: UpdateHub Module Copies a Variable-Sized Hash String
34 into a fixed-size array.
35 * CVE-2020-10059: UpdateHub Module Explicitly Disables TLS
37 * CVE-2020-10061: Improper handling of the full-buffer case in the
39 * CVE-2020-10062: Packet length decoding error in MQTT
40 * CVE-2020-10063: Remote Denial of Service in CoAP Option Parsing Due
42 * CVE-2020-10068: In the Zephyr project Bluetooth subsystem, certain
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Drelease-notes-3.2.rst13 * Added support for :ref:`bin-blobs` (also see :ref:`west-blobs`).
15 * Converted all supported boards from ``pinmux`` to :ref:`pinctrl-guide`.
31 * CVE-2022-2993: Under embargo until 2022-11-03
33 * CVE-2022-2741: Under embargo until 2022-10-14
56 This definition can be used by third-party code to compile code conditional
58 Therefore, any third-party code integrated using the Zephyr build system will
91 changed from ``-ENETDOWN`` to ``-ENETUNREACH``. A return value of ``-ENETDOWN`` now indicates
129 * Removed support for configuring the CAN-FD maximum DLC value via Kconfig
156 valid for specific bindings to specify like :dtcompatible:`gpio-leds` and
157 :dtcompatible:`fixed-partitions`.
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Drelease-notes-2.0.rst12 * The kernel now supports both 32- and 64-bit architectures.
17 * We added support for :ref:`Point-to-Point Protocol (PPP) <ppp>`. PPP is a
20 * We added support for UpdateHub, an end-to-end solution for large scale
21 over-the-air device updates.
22 * We added support for ARM Cortex-R Architecture (Experimental).
32 * Fixes CVE-2019-9506: The Bluetooth BR/EDR specification up to and
35 negotiation. This allows practical brute-force attacks (aka "KNOB")
42 * New kernel API for per-thread disabling of Floating Point Services for
43 ARC, ARM Cortex-M, and x86 architectures.
45 * Additional support for compatibility with 64-bit architectures.
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/Zephyr-latest/boards/espressif/esp_wrover_kit/doc/
Dindex.rst6 ESP-WROVER-KIT is an ESP32-based development board produced by `Espressif <https://www.espressif.co…
8 ESP-WROVER-KIT features the following integrated components:
10 - ESP32-WROVER-E module
11 - LCD screen
12 - MicroSD card slot
14 Its another distinguishing feature is the embedded FTDI FT2232HL chip - an advanced multi-interface
16 without a separate JTAG debugger. ESP-WROVER-KIT makes development convenient, easy, and
17 cost-effective.
26 For more information, check `ESP32-WROVER-E Datasheet`_ and `ESP32 Datasheet`_.
31 The block diagram below shows the main components of ESP-WROVER-KIT and their interconnections.
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