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| 型号： | ATAVRSBIN1 |
| 厂商： | Atmel |
| 文件页数： | 20/37页 |
| 文件大小： | 0K |
| 描述： | INERTIAL ONE SENSOR BOARD |
| 产品培训模块： | Sensors Xplained |
| 标准包装： | 1 |
| 系列： | Sensors Xplained |
| 传感器类型： | 加速计，陀螺仪，电子罗盘，温度 |
| 接口： | I²C |
| 电源电压： | 3.3V |
| 嵌入式： | 否 |
| 已供物品： | 板 |
| 已用 IC / 零件： | AK8975，BMA150，ITG-3200 |
| 相关产品： | 828-1003-6-ND - 3-AXIS ACCELEROMETER DIGITAL I/F 828-1003-1-ND - 3-AXIS ACCELEROMETER DIGITAL I/F 828-1003-2-ND - 3-AXIS ACCELEROMETER DIGITAL I/F |
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7.7.1.4 Use data in application
int32_t
app_pressure
= press_data.pressure.value;
uint32_t app_read_time = press_data.timestamp;
7.8 Temperature
Unlike most other types of measurement, temperature readings may come from either
a dedicated temperature sensor or from a device that has a different primary sensor
function but can provide temperature data as a secondary output value.
Dedicated temperature sensors generally provide stable, high-accuracy readings. The
secondary temperature data from other types of sensor devices are typically used
internally for temperature compensation of the primary measurement, and these
temperature readings often have fairly loose accuracy specifications.
The sensor_get_temperature() function allows access to temperature data from
any sensors that support such measurements. No special device initialization is
required to enable temperature measurement as a secondary function. The function
takes the following form:
sensor_get_temperature (&device, &temp_data);
where device is the device descriptor of the sensor device to use for the temperature
measurement and temp_data is a sensor_data_t structure to receive the
temperature data.
Temperature data can be obtained from multiple sensor devices in a single
application, if desired. Simply specify a different device descriptor when calling
sensor_get_temperature() .
Scaled temperature measurements are expressed in degrees Celsius. When the
function returns, the value can be read from the temp_data structure using the
temperature.value field.
7.8.1 Example code sequence
This example shows how a temperature reading is obtained from both a dedicated
temperature sensor and a gyroscope sensor. An equivalent sequence can be used to
read the temperature from a different type of sensor that supports temperature
measurement.
7.8.1.1 Definitions and declarations
#include "sensor.h"
sensor_t
sensor_data_t
temp_dev;
temp_data;
// device descriptor
// temperature data from device
7.8.1.2 Sensor initialization
To initialize a dedicated temperature sensor, use the following:
sensor_attach (&temp_dev, SENSOR_TYPE_TEMPERATURE, 0, 0);
Sensor initialization only needs to be done once per sensor device, even if it will be
used for both temperature and another (primary) sensing function.
NOTE
The specified type is for the primary function of the sensor (not the secondary
temperature function).
20
Atmel AVR4016
8367B-AVR-06/11
相关PDF资料 |
PDF描述 |
|---|---|
| ATAVRSBIN2 | INERTIAL TWO SENSOR BOARD |
| ATAVRSBLP1 | LIGHT AND PROXIMITY SENSOR BOARD |
| ATAVRSBPR1 | BAROMETRIC PRESSURE ONE SNSR BRD |
| ATQT600 | KIT EVAL TOUCH FOR QT600 |
| ATU6-P305T-R | CABLE CAT6 FULL-BOX 305M GRAY |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ATAVRSBIN2 | 功能描述:多功能传感器开发工具 9DOF Inertial Sensor Board 2 RoHS:否 制造商:Texas Instruments 工具用于评估:LMP91200 接口类型:SPI 工作电压:1.8 V to 5.5 V 最大工作温度: |
| ATAVRSBLP1 | 功能描述:光学传感器开发工具 Ambient Light and Proximity Snsr Brd RoHS:否 制造商:ams 工具用于评估: 接口类型: 最大工作温度: |
| ATAVRSBPR1 | 功能描述:压力传感器开发工具 Barometric Pressure Sensor Board 1 RoHS:否 制造商:Freescale Semiconductor 工具用于评估:MPL3115A2 接口类型:USB 最大工作温度: |
| ATAVRSECURITYX | 功能描述:安全/ 验证开发工具 Security Module Kit for Xplain Series RoHS:否 制造商:Digi International 产品:Development Kits 工具用于评估:XEB-AW140 接口类型:SPI, USB 工作电源电压:3.1 V to 3.6 V |
| ATAVRSMD | 功能描述:ADAPTER KIT SMD ICE200 RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 类型:MCU 适用于相关产品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、缆线、软件、数据表和用户手册 其它名称:520-1035 |
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