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Open AT ^® Release version:
3.13

Sample - Temperature

Changes
Dependencies
Application Description

Changes

V2.00 : Initial revision.
V2.10 : +TEMP=<mode> command removed
V3.00 : Multi-Uart support ; MultiApp library support

Dependencies

This sample depends on the following libraries :

MultiApp
This MultiApp sample library provides start/stop mechanism to handle several running ADL applications.
Drivers
This Drivers sample ADL Library allows applications to use directly some specefic devices, plugged on SPI, I2C or Parallel bus.

Application Description

This application monitors a SPI temperature sensor to display temperature indications.

As this application uses the MultiApp library, the following start/stop command has to be used to control the application execution.

AT+TEMPSTART (Temperature monitor start/stop command)

Command	Answers
AT+TEMPSTART?	+TEMPSTART: <state> OK
AT+TEMPSTART=?	+TEMPSTART: (0-1) OK
AT+TEMPSTART= <state>	+CME ERROR: 3 or OK

Parameter	Values range	Description	Default value
state	0-1	The current application running state. This parameter is stored in non-volatile memory.	0

The init entry point sent to the MultiApp library is the temp_init() function. The start/stop entry points linked to the +TEMPSTART command are the temp_start() and temp_stop() functions.

This application gets the temperature from the MAX 6662 temperature sensor, using the Drivers library appropriate driver.

The temperature is get with the +TEMP command :

AT+TEMP (Temperature read command)

Command	Answers
AT+TEMP=?	OK
AT+TEMP?	+TEMP: <temperature> OK

Parameter	Values range	Description	Default value
temperature	NA	Read temperature, from MAX 6662 chip (in C degrees)	NA

Updated: Wed Apr 4 13:16:31 CEST 2007;