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Searched refs:ppm (Results 1 – 16 of 16) sorted by relevance

/Zephyr-latest/samples/sensor/ccs811/
DREADME.rst39 reported measurements of about 400 ppm eC02 and 0 ppb eTVOC.
47 [0:00:00.046]: CCS811: 65021 ppm eCO2; 65021 ppb eTVOC
52 [0:00:01.059]: CCS811: 65021 ppm eCO2; 65021 ppb eTVOC
60 [0:00:05.084]: CCS811: 400 ppm eCO2; 0 ppb eTVOC
65 [0:00:06.096]: CCS811: 405 ppm eCO2; 0 ppb eTVOC
70 [0:00:07.108]: CCS811: 400 ppm eCO2; 0 ppb eTVOC
75 [0:00:08.121]: CCS811: 400 ppm eCO2; 0 ppb eTVOC
80 [0:00:09.133]: CCS811: 400 ppm eCO2; 0 ppb eTVOC
85 [0:00:10.145]: CCS811: 400 ppm eCO2; 0 ppb eTVOC
/Zephyr-latest/drivers/clock_control/
DKconfig.nrf138 bool "251 ppm to 500 ppm"
141 bool "151 ppm to 250 ppm"
144 bool "101 ppm to 150 ppm"
147 bool "76 ppm to 100 ppm"
150 bool "51 ppm to 75 ppm"
153 bool "31 ppm to 50 ppm"
156 bool "21 ppm to 30 ppm"
159 bool "0 ppm to 20 ppm"
/Zephyr-latest/samples/sensor/ams_iAQcore/
DREADME.rst35 Co2: 882.000000ppm; VOC: 244.000000ppb
36 Co2: 863.000000ppm; VOC: 239.000000ppb
37 Co2: 836.000000ppm; VOC: 232.000000ppb
/Zephyr-latest/samples/sensor/co2_polling/
DREADME.rst28 CO2 940 ppm
29 CO2 950 ppm
/Zephyr-latest/boards/nordic/nrf54h20dk/
Dnrf54h20dk_nrf54h20-common.dtsi13 accuracy-ppm = <30>;
/Zephyr-latest/samples/drivers/counter/maxim_ds3231/
DREADME.rst11 high-precision (2 ppm) battery backed clock that maintains civil time
103 2019-07-19 06:01:00 Fri 200: adj 0.002000000, uptime 0:01:00.002, clk err 34 ppm
104 2019-07-19 06:02:00 Fri 200: adj 0.003000000, uptime 0:02:00.004, clk err 25 ppm
105 2019-07-19 06:03:00 Fri 200: adj 0.005000000, uptime 0:03:00.005, clk err 28 ppm
106 2019-07-19 06:04:00 Fri 200: adj 0.006000000, uptime 0:04:00.007, clk err 25 ppm
107 2019-07-19 06:05:00 Fri 200: adj 0.008000000, uptime 0:05:00.008, clk err 26 ppm
109 The output shows that the Zephyr system clock is running about 25 ppm
/Zephyr-latest/include/zephyr/drivers/clock_control/
Dnrf_clock_control.h176 #define NRF_CLOCK_CONTROL_ACCURACY_PPM(ppm) (ppm) argument
/Zephyr-latest/samples/sensor/mhz19b/
DREADME.rst46 Sensor range is set to 5000ppm
/Zephyr-latest/drivers/ieee802154/
DKconfig.nrf579 or delayed reception), in ppm.
/Zephyr-latest/dts/common/nordic/
Dnrf54h20.dtsi178 open-loop-accuracy-ppm = <20000>;
179 closed-loop-base-accuracy-ppm = <5000>;
200 lfrc-accuracy-ppm = <500>;
201 lflprc-accuracy-ppm = <1000>;
/Zephyr-latest/boards/nxp/vmu_rt1170/
Dvmu_rt1170_mimxrt1176_cm7.dts440 compatible = "nxp,gpt-ppm-input";
/Zephyr-latest/boards/st/stm32wb5mm_dk/doc/
Dstm32wb5mm_dk.rst93 ±500 ppm) RC (LSI2)
/Zephyr-latest/boards/st/nucleo_wb55rg/doc/
Dnucleo_wb55rg.rst59 - 2x Internal low-power 32 kHz RC (|plusminus| 5% and |plusminus| 500ppm)
/Zephyr-latest/doc/kernel/
Dtimeutil.rst85 than a Zephyr system clock driven by a RC oscillator with a +/- 250 ppm
/Zephyr-latest/boards/st/stm32wb5mmg/doc/
Dstm32wb5mmg.rst82 ±500 ppm) RC (LSI2)
/Zephyr-latest/boards/native/native_sim/doc/
Dindex.rst269 100ppm slower than real time.