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/Zephyr-latest/drivers/serial/
DKconfig.sifive3 # Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com>
4 # SPDX-License-Identifier: Apache-2.0
16 # ---------- Port 0 ----------
26 int "Port 0 RX Interrupt Threshold Count"
30 Port 0 RX Threshold at which the RX FIFO interrupt triggers.
33 int "Port 0 TX Interrupt Threshold Count"
37 Port 0 TX Threshold at which the TX FIFO interrupt triggers.
39 # ---------- Port 1 ----------
49 int "Port 0 RX Interrupt Threshold Count"
53 Port 1 RX Threshold at which the RX FIFO interrupt triggers.
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/Zephyr-latest/dts/bindings/sensor/
Dams,tmd2620.yaml2 # SPDX-License-Identifier: Apache-2.0
8 include: [sensor-device.yaml, i2c-device.yaml]
11 int-gpios:
12 type: phandle-array
15 The interrupt pin of TMD2620 is open-drain, active low.
17 as pull-up, active low.
19 proximity-gain:
24 - 1
25 - 2
26 - 4
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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/dts/bindings/adc/
Dnuvoton,npcx-adc.yaml2 # SPDX-License-Identifier: Apache-2.0
4 description: Nuvoton, NPCX-ADC node
6 compatible: "nuvoton,npcx-adc"
8 include: [adc-controller.yaml, pinctrl-device.yaml]
15 pinctrl-0:
17 pinctrl-names:
19 vref-mv:
23 channel-count:
27 threshold-count:
30 description: the number of threshold detectors adc supports
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/Zephyr-latest/samples/sensor/proximity_polling/boards/
Dnrf52840dk_nrf52840.overlay3 prox-sensor0 = &tmd2620;
13 int-gpios = <&gpio1 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
14 proximity-gain = <4>;
15 proximity-pulse-length = <16>;
16 proximity-pulse-count = <15>;
17 proximity-high-threshold = <255>;
18 proximity-low-threshold = <0>;
19 proximity-led-drive-strength = <4>;
20 proximity-interrupt-filter = <0>;
21 wait-time-factor = <0>;
/Zephyr-latest/doc/connectivity/bluetooth/api/mesh/
Dsar_cfg.rst21 sent as a single-segment segmented message when acknowledgment by the lower transport layer is
23 transmission and acknowledge single-segment segmented messages.
75 …unicast~retransmissions~interval~step + unicast~retransmissions~interval~increment \times (TTL - 1)
103 … counts (see `SAR Unicast Retransmissions Count`_ state and `SAR Unicast Retransmissions Without P…
104 * Multicast retransmissions count (see `SAR Multicast Retransmissions Count`_ state)
105 * Acknowledgment retransmissions count (see `SAR Acknowledgment Retransmissions Count`_ state)
108 `SAR Segments Threshold`_ state, Segment Acknowledgment messages are retransmitted using the value
109 of the `SAR Acknowledgment Retransmissions Count`_ state.
125 * SAR Unicast Retransmissions Count
126 * SAR Unicast Retransmissions Without Progress Count
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/Zephyr-latest/include/zephyr/bluetooth/mesh/
Dsar_cfg.h4 * SPDX-License-Identifier: Apache-2.0
27 /** SAR Unicast Retransmissions Count state */
30 /** SAR Unicast Retransmissions Without Progress Count state */
39 /** SAR Multicast Retransmissions Count state */
48 /** SAR Segments Threshold state */
60 /** SAR Acknowledgment Retransmissions Count state */
/Zephyr-latest/drivers/ieee802154/
DKconfig.cc13xx_cc26xx4 # SPDX-License-Identifier: Apache-2.0
35 The maximum number of backoffs the CSMA-CA algorithm will attempt
44 The minimum value of the backoff exponent (BE) in the CSMA-CA
53 The maximum value of the backoff exponent (BE) in the CSMA-CA
66 int "TI CC13xx / CC26xx IEEE 802.15.4g receive buffer count"
73 int "TI CC13xx / CC26xx IEEE 802.15.4g Carrier Sense ED Threshold in dBm"
74 default -80 # Based on SUN FSK, 200 kHz bit rate, no FEC, see IEEE 802.15.4-2020, section 19.6.7
76 This option sets the energy detection (ED) threshold for
78 algorithm. Except for the SUN O-QPSK PHY, the ED threshold
81 or in accordance with local regulations (see IEEE 802.15.4-2020,
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/Zephyr-latest/samples/kernel/condition_variables/condvar/
DREADME.rst1 .. zephyr:code-sample:: kernel-condvar
3 :relevant-api: condvar_apis
25 .. zephyr-app-commands::
26 :zephyr-app: samples/kernel/condition_variables/condvar
27 :host-os: unix
37 .. code-block:: console
40 watch_count: thread 1 Count= 0. Going into wait...
41 inc_count: thread 2, count = 1, unlocking mutex
42 inc_count: thread 3, count = 2, unlocking mutex
43 inc_count: thread 2, count = 3, unlocking mutex
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/Zephyr-latest/samples/kernel/condition_variables/condvar/src/
Dmain.c4 * SPDX-License-Identifier: Apache-2.0
13 static int count; variable
31 count++; in inc_count()
34 * Check the value of count and signal waiting thread when in inc_count()
39 if (count == COUNT_LIMIT) { in inc_count()
40 printk("%s: thread %ld, count = %d Threshold reached.", in inc_count()
41 __func__, my_id, count); in inc_count()
45 printk("%s: thread %ld, count = %d, unlocking mutex\n", in inc_count()
46 __func__, my_id, count); in inc_count()
61 while (count < COUNT_LIMIT) { in watch_count()
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/Zephyr-latest/include/zephyr/drivers/sensor/
Dveml7700.h5 * SPDX-License-Identifier: Apache-2.0
25 * @brief Bit mask to check for the low threshold interrupt flag.
32 * @brief Bit mask to check for the high threshold interrupt flag.
75 * For high and low threshold window settings (ALS_WH and ALS_WL)
77 * <tt>SENSOR_ATTR_LOWER_THRESH</tt> with 16-bit unsigned integer
78 * values. Both threshold settings are in lux and converted by the
82 * threshold window settings. To get the correct threshold values
83 * into the sensor update the thresholds -after- a change of gain
129 * threshold window attributes for the sensors interrupt handling.
134 * enumerator as an argument will result in a <tt>-ENOTSUP</tt>.
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Dtdk_apex.h4 * SPDX-License-Identifier: Apache-2.0
34 * ** Pedometer: Tracks step count.
37 * a programmable threshold. This motion event can be used to enable device
/Zephyr-latest/drivers/sensor/adi/adxl362/
Dadxl362.c1 /* adxl362.c - ADXL362 Three-Axis Digital Accelerometers */
6 * SPDX-License-Identifier: Apache-2.0
29 const struct adxl362_config *cfg = dev->config; in adxl362_reg_access()
48 .count = 2 in adxl362_reg_access()
51 tx.count = 1; in adxl362_reg_access()
53 return spi_transceive_dt(&cfg->bus, &tx, &rx); in adxl362_reg_access()
56 tx.count = 2; in adxl362_reg_access()
58 return spi_write_dt(&cfg->bus, &tx); in adxl362_reg_access()
63 uint8_t register_address, uint8_t count) in adxl362_set_reg() argument
66 register_address, &register_value, count); in adxl362_set_reg()
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/Zephyr-latest/drivers/timer/
Dcc13xx_cc26xx_rtc_timer.c4 * SPDX-License-Identifier: Apache-2.0
10 * TI SimpleLink CC13X2/CC26X2 RTC-based system timer
13 * RTC counts continually in 64-bit mode and timeouts are
54 * a safe threshold for the comparator.
58 /* RTC count of the last announce call, rounded down to tick boundary. */
75 /* get the current RTC count corresponding to compare window */ in setThreshold()
79 /* assume next never be more than half the maximum 32 bit count value */ in setThreshold()
80 if ((next - now) > (uint32_t)0x80000000) { in setThreshold()
83 } else if ((now + COMPARE_MARGIN - next) < (uint32_t)0x80000000) { in setThreshold()
89 /* set next compare threshold in RTC */ in setThreshold()
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Dsam0_rtc_timer.c4 * SPDX-License-Identifier: Apache-2.0
11 * @brief Atmel SAM0 series RTC-based system timer
14 * In tickless mode, RTC counts continually in 32-bit mode and timeouts are
42 #define MAX_TICKS (UINT32_MAX / CYCLES_PER_TICK - 2)
49 * a safe threshold for the comparator.
73 /* Tick/cycle count of the last announce call. */
78 /* Current tick count. */
96 while (RTC0->STATUS.reg & RTC_STATUS_SYNCBUSY) { in rtc_sync()
99 while (RTC0->SYNCBUSY.reg) { in rtc_sync()
105 * Reads RTC COUNT register. First a read request must be written to READREQ,
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/Zephyr-latest/lib/heap/
Dheap_info.c4 * SPDX-License-Identifier: Apache-2.0
16 int i, nb_buckets = bucket_idx(h, h->end_chunk) + 1; in heap_print_info()
20 chunk_buf(h), h->end_chunk, nb_buckets); in heap_print_info()
23 " threshold chunks (units) (bytes)\n" in heap_print_info()
24 " -----------------------------------------------------------\n"); in heap_print_info()
26 chunkid_t first = h->buckets[i].next; in heap_print_info()
28 int count = 0; in heap_print_info() local
34 count++; in heap_print_info()
39 if (count) { in heap_print_info()
41 i, (1 << i) - 1 + min_chunk_size(h), count, in heap_print_info()
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/Zephyr-latest/tests/drivers/regulator/voltage/boards/
Drpi_pico.overlay3 * SPDX-License-Identifier: Apache-2.0
16 compatible = "test-regulator-voltage";
18 io-channels = <&adc 0>;
19 tolerance-microvolt = <50000>;
20 set-read-delay-ms = <10>;
21 adc-avg-count = <10>;
22 min-microvolt = <850000>;
27 raspberrypi,brown-out-threshold = <473000>;
31 #address-cells = <1>;
32 #size-cells = <0>;
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/Zephyr-latest/samples/sensor/tdk_apex/
DREADME.rst1 .. zephyr:code-sample:: tdk_apex
3 :relevant-api: sensor_interface
12 ** Pedometer: Tracks step count, and provide details such as the cadence
17 ** Wake on Motion (WoM): Detects motion per axis exceeding 195 mg threshold.
25 …- https://invensense.tdk.com/download-pdf/an-000271-icm-42607x-and-icm-42670x-apex-motion-function…
44 to be aliased as ``tdk-apex-sensorN`` where ``N`` goes from ``0`` to ``9``. For example:
46 .. code-block:: devicetree
50 tdk-apex-sensor0 = &icm42670p;
56 .. code-block:: devicetree
64 .. zephyr-app-commands::
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/Zephyr-latest/drivers/dai/intel/ssp/
Ddai-params-intel-ipc4.h4 * SPDX-License-Identifier: Apache-2.0
19 /**< HD/A host output (-> DSP). */
21 /**< HD/A host input (<- DSP). */
26 /**< HD/A link output (DSP ->). */
28 /**< HD/A link input (DSP <-). */
33 /**< DMIC link input (DSP <-). */
36 /**< I2S link output (DSP ->). */
38 /**< I2S link input (DSP <-). */
41 /**< ALH link output, legacy for SNDW (DSP ->). */
43 /**< ALH link input, legacy for SNDW (DSP <-). */
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/Zephyr-latest/drivers/input/
Dinput_xpt2046.c4 * SPDX-License-Identifier: Apache-2.0
23 uint16_t threshold; member
64 /* Read all Z1, X, Y, Z2 channels using 16 Clocks-per-Conversion mode.
65 * See the manual https://www.waveshare.com/w/upload/9/98/XPT2046-EN.pdf for details.
66 * Each follow-up command interleaves with previous conversion.
79 const struct xpt2046_config *config = data->dev->config; in xpt2046_isr_handler()
81 gpio_remove_callback(config->int_gpio.port, &data->int_gpio_cb); in xpt2046_isr_handler()
82 k_work_submit(&data->work); in xpt2046_isr_handler()
95 uint8_t *buf = rx->buffers->buf; in xpt2046_read_and_cumulate()
97 meas->z += CONVERT_U16(buf, 1) + 4096 - CONVERT_U16(buf, 3); in xpt2046_read_and_cumulate()
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/Zephyr-latest/soc/intel/intel_adsp/cavs/include/cavs25/
Ddmic_regs.h1 /* SPDX-License-Identifier: Apache-2.0 */
65 /* Common FIFO channels register (primary & secondary) (0000 - 0FFF)
79 * (crossed out) 0010h LOCAL_TSC0 64-bit Wall Clock timestamp
80 * (crossed out) 0018h LOCAL_SAMPLE0 64-bit Sample Count
81 * 001Ch - 00FFh Reserved space for extensions
151 /* Threshold Interrupt Enable */
163 /* Burst FIFO Threshold */
188 /* FIFO Trigger Threshold */
315 /* Port Count */
318 /* FIR Count */
/Zephyr-latest/drivers/sensor/maxim/max31865/
Dmax31865.c2 * Copyright (c) 2022 HAW Hamburg FTZ-DIWIP
4 * SPDX-License-Identifier: Apache-2.0
10 const struct max31865_config *cfg = dev->config; in max31865_spi_write()
18 const struct spi_buf_set tx = {.buffers = bufs, .count = 2}; in max31865_spi_write()
20 return spi_write_dt(&cfg->spi, &tx); in max31865_spi_write()
25 const struct max31865_config *cfg = dev->config; in max31865_spi_read()
29 const struct spi_buf_set tx = {.buffers = &tx_buf, .count = 1}; in max31865_spi_read()
35 const struct spi_buf_set rx = {.buffers = rx_buf, .count = 2}; in max31865_spi_read()
37 return spi_transceive_dt(&cfg->spi, &tx, &rx); in max31865_spi_read()
48 struct max31865_data *data = dev->data; in configure_device()
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/Zephyr-latest/soc/intel/intel_adsp/ace/include/
Ddmic_regs.h1 /* SPDX-License-Identifier: Apache-2.0 */
42 /* Capture Link Select - select which link wall clock to time stamp. */
68 /* Common FIFO channels register (primary & secondary) (0000 - 0FFF)
82 * (crossed out) 0010h LOCAL_TSC0 64-bit Wall Clock timestamp
83 * (crossed out) 0018h LOCAL_SAMPLE0 64-bit Sample Count
84 * 001Ch - 00FFh Reserved space for extensions
154 /* Threshold Interrupt Enable */
166 /* Burst FIFO Threshold */
191 /* FIFO Trigger Threshold */
333 /* Port Count */
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/Zephyr-latest/dts/bindings/input/
Despressif,esp32-touch-sensor.yaml2 # SPDX-License-Identifier: Apache-2.0
8 sensor is defined in a child node of the touch-sensor node and defines a specific key
13 #include <zephyr/dt-bindings/input/input-event-codes.h>
14 #include <zephyr/dt-bindings/input/esp32-touch-sensor-input.h>
17 compatible = "espressif,esp32-touch";
20 debounce-interval-ms = <30>;
21 href-microvolt = <27000000>;
22 lref-microvolt = <500000>;
23 href-atten-microvolt = <1000000>;
24 filter-mode = <ESP32_TOUCH_FILTER_MODE_IIR_16>;
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/Zephyr-latest/subsys/settings/
DKconfig2 # SPDX-License-Identifier: Apache-2.0
8 deserialize state in memory into and from non-volatile memory.
9 It supports several back-ends to store and load serialized data from
15 module-str = settings
19 bool "runtime storage back-end"
21 Enables runtime storage back-end.
34 prompt "Storage back-end"
40 Storage back-end to be used by the settings subsystem.
46 Use FCB as a settings storage back-end.
53 Use a file (on mounted file system) as a settings storage back-end.
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