| /Zephyr-latest/dts/bindings/audio/ |
| D | nxp,dmic.yaml | 2 # SPDX-License-Identifier: Apache-2.0
8 include: [base.yaml, pinctrl-device.yaml]
17 pinctrl-0:
31 child-binding:
36 compatible: "nxp,dmic-channel"
48 data by, as a positive or negative number. Range of [-15,15]. Default
51 compensation-2fs:
53 default: "zero"
55 - "zero"
56 - "-0.16"
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| /Zephyr-latest/boards/arduino/zero/doc/ |
| D | index.rst | 3 Arduino/Genuino Zero
9 The Arduino Zero is a maker-friendly development board with
15 :alt: Arduino Zero
20 - ATSAMD21G18A ARM Cortex-M0+ processor at 48 MHz
21 - 32.768 kHz crystal oscillator
22 - 256 KiB flash memory and 32 KiB of RAM
23 - 3 user LEDs
24 - One reset button
25 - On-board USB based EDBG unit with serial console
26 - Native USB port
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| /Zephyr-latest/drivers/clock_control/ |
| D | Kconfig.nxp_s32 | 2 # SPDX-License-Identifier: Apache-2.0
17 This option specifies the zero-based index of the clock configuration
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| D | clock_control_agilex5_ll.c | 2 * Copyright (c) 2022-2024, Intel Corporation.
4 * SPDX-License-Identifier: Apache-2.0
31 * Based on the clock source, read the values from System Manager boot in get_ref_clk()
32 * scratch registers. These values are filled by boot loader based on in get_ref_clk()
33 * hand-off data. in get_ref_clk()
56 __ASSERT(arefclkdiv != 0, "Reference clock divider is zero"); in get_ref_clk()
68 /* Calculate clock frequency based on parameter */
85 __ASSERT(pllcx_div != 0, "Main PLLC clock divider is zero"); in get_clk_freq()
92 __ASSERT(pllcx_div != 0, "Peripheral PLLC clock divider is zero"); in get_clk_freq()
158 uint8_t cpu_id = arch_curr_cpu()->id; in get_mpu_clk()
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| /Zephyr-latest/dts/bindings/iio/afe/ |
| D | voltage-divider.yaml | 2 # SPDX-License-Identifier: Apache-2.0
8 compatible: "voltage-divider"
13 io-channels:
18 output-ohms:
24 full-ohms:
29 If absent or zero the driver assumes that the upper leg is a
30 resistance-based sensor.
32 power-gpios:
33 type: phandle-array
40 power-on-sample-delay-us:
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| /Zephyr-latest/boards/arduino/mkrzero/doc/ |
| D | index.rst | 3 Arduino MKR Zero
9 The Arduino MKR Zero built with smaller MKR form factor and powered by Atmel's SAMD21 MCU.
14 :alt: Arduino MKR Zero
19 - ATSAMD21G18A ARM Cortex-M0+ processor at 48 MHz
20 - 32.768 kHz crystal oscillator
21 - 256 KiB flash memory and 32 KiB of RAM
22 - One user LEDs
23 - One reset button
24 - microSD card slot
25 - ATECC508A secure element
[all …]
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| /Zephyr-latest/dts/bindings/gpio/ |
| D | microchip,xec-gpio.yaml | 2 # SPDX-License-Identifier: Apache-2.0
6 compatible: "microchip,xec-gpio"
8 include: [gpio-controller.yaml, base.yaml]
14 port-id:
17 description: Zero based GPIO port number
19 girq-id:
24 "#gpio-cells":
27 gpio-cells:
28 - pin
29 - flags
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| D | microchip,xec-gpio-v2.yaml | 2 # SPDX-License-Identifier: Apache-2.0
6 compatible: "microchip,xec-gpio-v2"
8 include: [gpio-controller.yaml, base.yaml]
14 port-id:
17 description: Zero based GPIO port number
19 girq-id:
24 "#gpio-cells":
27 gpio-cells:
28 - pin
29 - flags
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| /Zephyr-latest/samples/boards/nordic/battery/src/ |
| D | battery.h | 2 * Copyright (c) 2018-2019 Peter Bigot Consulting, LLC
4 * SPDX-License-Identifier: Apache-2.0
14 * @return zero on success, or a negative error code.
29 * #lvl_pptt set to zero. Both #lvl_pptt and #lvl_mV should be
40 /** Calculate the estimated battery level based on a measured voltage.
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| /Zephyr-latest/arch/arm/core/cortex_m/ |
| D | Kconfig | 1 # ARM Cortex-M platform configuration options
3 # Copyright (c) 2014-2015 Wind River Systems, Inc.
4 # SPDX-License-Identifier: Apache-2.0
10 # if one select a different ARM Cortex Family (Cortex-A or Cortex-R)
17 This option signifies the use of a Cortex-M0 CPU
24 This option signifies the use of a Cortex-M0+ CPU
31 This option signifies the use of a Cortex-M1 CPU
38 This option signifies the use of a Cortex-M3 CPU
46 This option signifies the use of a Cortex-M4 CPU
54 This option signifies the use of a Cortex-M23 CPU
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| /Zephyr-latest/drivers/timer/ |
| D | Kconfig.xtensa | 1 # Copyright (c) 2014-2015 Wind River Systems, Inc.
4 # SPDX-License-Identifier: Apache-2.0
12 Enables a system timer driver for Xtensa based on the CCOUNT
21 used for the system timer. Xtensa CPUs have hard-configured
25 general timer zero is guaranteed to be present and usable.
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| /Zephyr-latest/tests/kernel/fatal/exception/src/ |
| D | main.c | 4 * SPDX-License-Identifier: Apache-2.0
38 alt_stack + (STACKSIZE - OVERFLOW_STACKSIZE);
51 static ZTEST_DMEM volatile int expected_reason = -1;
55 TC_PRINT("Caught system error -- reason %d\n", reason); in k_sys_fatal_error_handler()
57 if (expected_reason == -1) { in k_sys_fatal_error_handler()
76 expected_reason = -1; in k_sys_fatal_error_handler()
127 /* used to create a divide by zero error on X86 and MIPS */ in entry_cpu_exception_extend()
129 volatile int zero = 0; in entry_cpu_exception_extend() local
132 error = error / zero; in entry_cpu_exception_extend()
174 expected_reason = -2; in entry_arbitrary_reason_negative()
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| /Zephyr-latest/dts/bindings/rtc/ |
| D | nordic,nrf-rtc.yaml | 2 # SPDX-License-Identifier: Apache-2.0
4 description: Nordic nRF RTC (Real-Time Counter)
6 compatible: "nordic,nrf-rtc"
14 cc-num:
26 ppi-wrap:
30 # If enabled then counter based on nRF RTC peripheral supports only maximal
33 fixed-top:
39 description: Enable event handler in the ZLI (Zero latency interrupt) context
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| /Zephyr-latest/dts/bindings/dac/ |
| D | espressif,esp32-dac.yaml | 2 # SPDX-License-Identifier: Apache-2.0
6 is part of the RTC low-power domain and belongs to the SENSE
13 - GPIO25 as DAC channel 1
14 - GPIO26 as DAC channel 2
16 ESP32-S2 pads
17 - GPIO17 as DAC channel 1
18 - GPIO18 as DAC channel 2
28 properties 'dac-channel-id', which uses zero based channel index.
29 Variable 'dac-resolution' must be also specified, although ESP32
35 dac-channel-id = <0>;
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| /Zephyr-latest/dts/bindings/i3c/ |
| D | i3c-device.yaml | 2 # SPDX-License-Identifier: Apache-2.0
8 on-bus: i3c
20 starts. Can be zero if static address is not used, and
23 ID left-shifted by 1, where the manufacturer ID is
24 the bits 33-47 (zero-based) of the 48-bit Provisioned ID.
26 the part ID (bits 16-31 of the Provisioned ID) left-shifted
27 by 16, and the instance ID (bits 12-15 of the Provisioned ID)
28 left-shifted by 12. Basically, this is the lower 32 bits
33 where the PID part is expanded to be a 64-bit integer.
37 1. 7-bit address of the I2C device. (Note that 10-bit
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| /Zephyr-latest/drivers/watchdog/ |
| D | Kconfig | 5 # SPDX-License-Identifier: Apache-2.0
24 module-str = watchdog
37 bool "Counter based watchdog"
43 zero latency interrupts (ZLI) then expiration callback can be called from
49 hardware based watchdog.
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| /Zephyr-latest/doc/services/device_mgmt/smp_groups/ |
| D | smp_group_3.rst | 12 +----------------+------------------------------+
16 +----------------+------------------------------+
18 +----------------+------------------------------+
20 +----------------+------------------------------+
22 +----------------+------------------------------+
42 +--------+--------------+----------------+
46 +--------+--------------+----------------+
50 .. code-block:: none
62 +------------+-----------------------------------------+
64 +------------+-----------------------------------------+
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| /Zephyr-latest/include/zephyr/sys/ |
| D | timeutil.h | 4 * SPDX-License-Identifier: Apache-2.0
12 * inverse transformations are non-standard or require access to time
44 * @brief Convert broken-down time to a POSIX epoch offset in seconds.
50 * @see http://man7.org/linux/man-pages/man3/timegm.3.html
55 * @brief Convert broken-down time to a POSIX epoch offset in seconds.
60 * the time cannot be represented then @c (time_t)-1 is returned and
63 * @see http://man7.org/linux/man-pages/man3/timegm.3.html
120 * This must never be zero in an initialized timeutil_sync_instant
127 * This may be zero in a valid timeutil_sync_instant object.
140 * State objects should be zero-initialized before use.
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| /Zephyr-latest/subsys/net/lib/capture/ |
| D | sll.h | 4 * SPDX-License-Identifier: Apache-2.0
21 uint16_t sll_hatype; /* Link-layer address type */
22 uint16_t sll_halen; /* Link-layer address length */
23 uint8_t sll_addr[SLL_ADDRLEN]; /* Link-layer address */
33 uint16_t sll2_reserved_mbz; /* Reserved - must be zero */
34 uint32_t sll2_if_index; /* 1-based interface index */
35 uint16_t sll2_hatype; /* Link-layer address type */
37 uint8_t sll2_halen; /* Link-layer address length */
38 uint8_t sll2_addr[SLL_ADDRLEN]; /* Link-layer address */
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| /Zephyr-latest/drivers/flash/ |
| D | Kconfig.nordic_qspi_nor | 2 # SPDX-License-Identifier: Apache-2.0
34 int "Size of a stack-based buffer to handle writes not supported by QSPI"
38 from a word-aligned location in RAM. A non-zero value here enables
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| D | flash_hp_ra.h | 4 * SPDX-License-Identifier: Apache-2.0
19 (BSP_FEATURE_FLASH_HP_CF_DUAL_BANK_START - BSP_FEATURE_FLASH_CODE_FLASH_START)
53 /* Zero based offset into g_configuration_area_data[] for BPS */
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| /Zephyr-latest/subsys/net/lib/ptp/ |
| D | port.h | 4 * SPDX-License-Identifier: Apache-2.0
103 * @brief Function generating PTP Port events based on PTP Port's timers.
112 * @brief Function generating PTP Port events based on messages
161 * @brief Function adding foreign TimeTransmitter Clock for the PTP Port based on specified message.
166 * @return Non-zero if the announce message is different than the last.
179 * based on specified message.
184 * @return Non-zero if the announce message is different than the last.
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| /Zephyr-latest/include/zephyr/drivers/ |
| D | hwinfo.h | 10 * SPDX-License-Identifier: Apache-2.0
46 /** Power-on reset (POR) */
56 /** CPU lock-up detected */
83 * based on vendor-specific assumptions of byte order. It should express the
91 * @retval -ENOSYS if there is no implementation for the particular device.
106 * @retval zero if successful.
107 * @retval -ENOSYS if there is no implementation for the particular device.
130 * @retval zero if successful.
131 * @retval -ENOSYS if there is no implementation for the particular device.
143 * @retval zero if successful.
[all …]
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| /Zephyr-latest/subsys/bluetooth/controller/ |
| D | Kconfig.ll_sw_split | 3 # Copyright (c) 2016-2017 Nordic Semiconductor ASA
4 # SPDX-License-Identifier: Apache-2.0
120 # Hidden, Controller's Co-Operative high priority Rx thread stack size.
125 # Hidden, Controller's Co-Operative Rx thread stack size.
152 https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers
168 Legacy Non-Directed Advertising mode.
180 zero-based numbering. When using with Zephyr host this option can be
233 module-str = "Bluetooth Controller ISO-AL"
237 bool "ISO-AL verbose debug logging"
241 Use this option to enable ISO-AL verbose debug logging.
[all …]
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| /Zephyr-latest/drivers/display/ |
| D | Kconfig.mcux_elcdif | 1 # Copyright 2019,2023-2024 NXP
3 # SPDX-License-Identifier: Apache-2.0
24 Note that hardware will likely perform best if zero driver
43 4-bytes pixel format, e.g. ARGB8888. Applications should change this value
64 rotation angle based on the call to display_write, so the user should
81 Rotate display counter-clockwise by 90 degrees.
87 Rotate display counter-clockwise by 180 degrees
92 Rotate display counter-clockwise by 270 degrees
102 rotation angle based on the call to display_write, so the user should
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