Searched +full:co2 +full:- +full:sensor (Results 1 – 8 of 8) sorted by relevance
1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)3 ---5 $schema: http://devicetree.org/meta-schemas/core.yaml#7 title: Sensirion SCD30 carbon dioxide sensor10 - Tomasz Duszynski <tomasz.duszynski@octakon.com>13 Air quality sensor capable of measuring co2 concentration, temperature19 - sensirion,scd3027 vdd-supply: true29 sensirion,sel-gpios:33 sensirion,pwm-gpios:[all …]
1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)3 ---4 $id: http://devicetree.org/schemas/iio/chemical/atlas,sensor.yaml#5 $schema: http://devicetree.org/meta-schemas/core.yaml#10 - Matt Ranostay <matt.ranostay@konsulko.com>16 http://www.atlas-scientific.com/_files/_datasheets/_oem/DO_oem_datasheet.pdf17 http://www.atlas-scientific.com/_files/_datasheets/_oem/EC_oem_datasheet.pdf18 http://www.atlas-scientific.com/_files/_datasheets/_oem/ORP_oem_datasheet.pdf19 http://www.atlas-scientific.com/_files/_datasheets/_oem/pH_oem_datasheet.pdf20 http://www.atlas-scientific.com/_files/_datasheets/_oem/RTD_oem_datasheet.pdf[all …]
4 Contact: linux-iio@vger.kernel.org6 Contaminants build-up in the measurement chamber or optical7 elements deterioration leads to sensor drift.9 One can compensate for sensor drift by using automatic self20 Contact: linux-iio@vger.kernel.org22 Contaminants build-up in the measurement chamber or optical23 elements deterioration leads to sensor drift.25 One can compensate for sensor drift by using forced27 co2 reference available nearby the sensor.30 sensor will set frc.[all …]
1 # SPDX-License-Identifier: GPL-2.0-only18 * pH SM sensor19 * EC SM sensor20 * ORP SM sensor23 module will be called atlas-ph-sensor.31 * CO2 EZO Sensor34 module will be called atlas-ezo-sensor.37 tristate "Bosch Sensortec BME680 sensor driver"43 Say yes here to build support for Bosch Sensortec BME680 sensor with60 tristate "AMS CCS811 VOC sensor"[all …]
1 // SPDX-License-Identifier: GPL-2.0+3 * atlas-ezo-sensor.c - Support for Atlas Scientific EZO sensors18 #define ATLAS_EZO_DRV_NAME "atlas-ezo-sensor"116 struct i2c_client *client = data->client; in atlas_ezo_read_raw()118 if (chan->type != IIO_CONCENTRATION) in atlas_ezo_read_raw()119 return -EINVAL; in atlas_ezo_read_raw()126 mutex_lock(&data->lock); in atlas_ezo_read_raw()131 mutex_unlock(&data->lock); in atlas_ezo_read_raw()135 msleep(data->chip->delay); in atlas_ezo_read_raw()137 tmp = i2c_master_recv(client, data->buffer, sizeof(data->buffer)); in atlas_ezo_read_raw()[all …]
1 // SPDX-License-Identifier: GPL-2.0-only3 * ccs811.c - Support for AMS CCS811 VOC Sensor7 * Datasheet: ams.com/content/download/951091/2269479/CCS811_DS000459_3-00.pdf48 * Value of FW_MODE bit of STATUS register describes the sensor's state:67 __be16 co2; member93 .scan_index = -1,98 .scan_index = -1,130 * The CCS811 powers-up in boot mode. A setup write to CCS811_APP_START will131 * transition the sensor to application mode.146 return -EIO; in ccs811_start_sensor_application()[all …]
1 // SPDX-License-Identifier: GPL-2.03 * Sensirion SCD30 carbon dioxide sensor core driver53 return state->command(state, cmd, arg, NULL, 0); in scd30_command_write()61 ret = state->command(state, cmd, 0, &tmp, sizeof(tmp)); in scd30_command_read()76 /* sensor boots up within 2 secs */ in scd30_reset()79 * Power-on-reset causes sensor to produce some glitch on i2c bus and in scd30_reset()93 sign = (float32 & BIT(31)) ? -1 : 1, in scd30_float_to_fp()100 exp -= 127; in scd30_float_to_fp()102 exp = -exp; in scd30_float_to_fp()108 shift = 23 - exp; in scd30_float_to_fp()[all …]
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