#include <stdint.h>#include <linux/i2c-dev.h>#include "../log.h"#include "bme280.h"#include "tsl4531.h"#include "sensor.h"
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Functions | |
| int | Sensors_openBus (void) |
| int | Sensors_closeBus (int bus) |
| int | Sensors_initSharedBus (void) |
| int | Sensors_getSharedBus (void) |
| int | Sensors_initSharedComm (uint8_t device_address) |
| void | Sensors_closeSharedBus (void) |
| int | Sensors_scan (int sensors_available[]) |
| void | Sensors_close (int sensors_available[]) |
Variables | |
| int | sensor_bus = -1 |
| const struct rl_sensor | sensor_registry [SENSOR_REGISTRY_SIZE] |
Function Documentation
| void Sensors_close | ( | int | sensors_available[] | ) |
Close all sensors used on the I2C bus.
- Parameters
-
sensors_available List of available (previously initialized) sensors
Definition at line 196 of file sensor.c.
References rl_sensor::close, rl_sensor::identifier, and SENSOR_REGISTRY_SIZE.
Referenced by hw_close().
| int Sensors_closeBus | ( | int | bus | ) |
Close a I2C sensor bus.
- Parameters
-
bus The I2C bus to close
- Returns
- Status (error) code
Definition at line 98 of file sensor.c.
References rl_sensor::close, ERROR, and rl_log().
Referenced by Sensors_closeSharedBus().
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| void Sensors_closeSharedBus | ( | void | ) |
Close the shared I2C sensor bus.
- Returns
- Status (error) code
Definition at line 134 of file sensor.c.
References sensor_bus, and Sensors_closeBus().
Referenced by hw_close().
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| int Sensors_getSharedBus | ( | void | ) |
Get the shared I2C bus handle.
- Returns
- The I2C bus handle
Definition at line 119 of file sensor.c.
References sensor_bus.
Referenced by BME280_getID(), BME280_init(), BME280_read(), BME280_readCalibration(), BME280_setParameters(), TSL4531_getID(), TSL4531_init(), TSL4531_read(), TSL4531_sendRange(), and TSL4531_setParameters().
| int Sensors_initSharedBus | ( | void | ) |
Initialize the shared I2C sensor bus.
- Returns
- Status (error) code
Definition at line 110 of file sensor.c.
References sensor_bus, and Sensors_openBus().
Referenced by hw_init().
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| int Sensors_initSharedComm | ( | uint8_t | device_address | ) |
Initiate an I2C communication with a device.
- Parameters
-
sensor_address The I2C address of the device
- Returns
- Status (error) code
Definition at line 126 of file sensor.c.
References sensor_bus.
Referenced by BME280_init(), BME280_read(), TSL4531_init(), and TSL4531_read().
| int Sensors_openBus | ( | void | ) |
Open a new handle of the I2C bus.
- Returns
- The bus handle
Definition at line 85 of file sensor.c.
References ERROR, I2C_BUS_FILENAME, and rl_log().
Referenced by Sensors_initSharedBus().
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| int Sensors_scan | ( | int | sensors_available[] | ) |
Scan the I2C sensor for sensor in the registry and initialize them.
- Parameters
-
sensors_available List of sensors of the registry available
- Returns
- Number of sensors from the regisry found on the bus
Definition at line 145 of file sensor.c.
References rl_sensor::identifier, INFO, rl_sensor::init, MAX_MESSAGE_LENGTH, rl_sensor::name, rl_log(), SENSOR_REGISTRY_SIZE, SUCCESS, and WARNING.
Referenced by hw_init().
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Variable Documentation
| int sensor_bus = -1 |
Copyright (c) 2016-2019, Swiss Federal Institute of Technology (ETH Zurich) All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
- Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Definition at line 43 of file sensor.c.
Referenced by BME280_getID(), BME280_init(), BME280_read(), BME280_readCalibration(), BME280_setParameters(), Sensors_closeSharedBus(), Sensors_getSharedBus(), Sensors_initSharedBus(), Sensors_initSharedComm(), TSL4531_getID(), TSL4531_init(), TSL4531_read(), TSL4531_sendRange(), and TSL4531_setParameters().
| const struct rl_sensor sensor_registry[SENSOR_REGISTRY_SIZE] |
The sensor registry structure.
Register your sensor (channels) here. Multiple channels from the same sensor should be added as consecutive entries.
- Note
- The SENSOR_REGISTRY_SIZE needs to be adjusted accordingly.
Definition at line 53 of file sensor.c.
Referenced by ambient_setup_channels(), and ambient_store_data().
