Searched +full:resistance +full:- +full:at +full:- +full:zero (Results 1 – 5 of 5) sorted by relevance
| /Zephyr-latest/dts/bindings/sensor/ |
| D | maxim,max31865.yaml | 1 # Copyright (c) 2022, HAW Hamburg FTZ-DIWIP
2 # SPDX-License-Identifier: Apache-2.0
6 Maxim MAX31865 SPI RTD-to-Digital Converter Temperature Sensor.
12 include: [sensor-device.yaml, spi-device.yaml]
15 resistance-at-zero:
18 description: Sensor resistance in ohms at 0 Celsius (100 ohms for PT100, 1000 ohms for PT1000)
20 resistance-reference:
23 description: Circuit reference resistance in ohms (recommended on MAX31865 datasheet 400 ohms
26 low-threshold:
29 description: Low fault threshold (ADC CODE, 15-bit value, unit-free, default value is the
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| /Zephyr-latest/drivers/sensor/maxim/max31865/ |
| D | max31865.c | 2 * 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()
20 return spi_write_dt(&cfg->spi, &tx); in max31865_spi_write()
25 const struct max31865_config *cfg = dev->config; 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()
49 uint8_t cmd[] = {data->config_control_bits}; in configure_device()
66 const struct max31865_config *config = dev->config; in set_threshold_values()
68 (config->high_threshold >> 7) & 0x00ff, (config->high_threshold << 1) & 0x00ff, in set_threshold_values()
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| /Zephyr-latest/doc/kernel/memory_management/ |
| D | heap.rst | 21 application-controlled memory using :c:func:`k_heap_init`.
67 indicating whether the chunk is in use, and chunk-indexed link
73 blocks within one power of two (i.e. a bucket for blocks of 3-4
74 chunks, another for 5-8, 9-16, etc...) this allows new allocations to
75 be made from the smallest/most-fragmented blocks available. Also, as
79 All metadata is stored at the beginning of the contiguous block of
80 heap memory, including the variable-length list of bucket list heads
86 inside one of the API functions at a time.
91 complete within 1-200 cycles. One complexity is that the search of
93 "might fit") has a compile-time upper bound of iterations to prevent
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| /Zephyr-latest/tests/drivers/build_all/sensor/ |
| D | spi.dtsi | 4 * SPDX-License-Identifier: Apache-2.0
16 spi-max-frequency = <0>;
17 int1-gpios = <&test_gpio 0 0>;
23 spi-max-frequency = <0>;
24 int1-gpios = <&test_gpio 0 0>;
30 spi-max-frequency = <0>;
36 spi-max-frequency = <0>;
37 int-gpios = <&test_gpio 0 0>;
43 spi-max-frequency = <0>;
49 spi-max-frequency = <0>;
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| /Zephyr-latest/doc/security/ |
| D | security-overview.rst | 1 .. _security-overview:
14 documents are created, this document is a top-level overview and entry
32 relevant sub-modules is created, threats are identified, and
43 .. figure:: media/security-process-steps.png
64 noted in RFC-2119, "These terms are frequently used to specify behavior
98 - **Security** **Functionality** with a focus on cryptographic
104 - **Quality Assurance** is driven by using a development process that
111 - **Execution Protection** including thread separation, stack and
151 at the time of context switch.
164 - Verifying correct functionality of the implementation
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