If we were to continue working on it, we discussed turning our security system into a more powerful “home monitoring” system. Did your PC prompt you for driver installation process or am I correct in saying this device in question never was recognized by any PC while in your possession? Pieces of the process have been done, including a cross compiler under Linux msp gcc with the eZ’s processor correctly targeted and the basic port and pin mapping found for TinyOS. Views Read View source View history. Both types of sensors are attached to motes flashed with software that repeatedly about once per second checks the value of the ADC; if it is above or below, depending on the sensor a certain threshold, a value of one is reported to the access point.
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Resources A lesson on the MSP family and programming. Remember to flip the jumper on the battery-powered sensor when you are done.
EZRF – Texas Instruments Wiki
The sensors will inform the USB-powered sensor, and the computer will take appropriate actions. The cap sits right behind the hole in the side of the enclosure.
If no designated sensor is within range, the system will uxb the password to be entered within X number of seconds.
These are documented in datasheets for the eZRF A value of zero is reported otherwise. The target board can be used for develpment in conjunction with the USB board, stand alone with the battery pack or it can be intergated into another system. If something isn’t shown right away, try toggling the jumper again or swapping USB ports. Lots of these tasks required setting the values of many obscure registers.
TI’s support ez430-rf250 the platform leaves much to be desired. Re-reeling orders placed after Once the drivers are uninstalled, disconnect the UIF and reconnect it.
What version of the software tool are you using? Please post only comments about the article EZRF here. The accelerometers are used ez430-rf5200 to detect a door opening while the motion detectors ez430-rf500 more general-purpose and can monitor an entire room.
This can be acquired usbb from the supplied CD or from http: If a yellow exclamation mark appears next to a driver entry, then it is likely that the EZ drivers are not installed correctly. Requiring programmers to set obscure registers in order to do simple tasks is bad enough; expecting them to do it with no documentation is absurd. Instructions on downloading and upgrading the emulator firmware are available online.
We will have a keypad similar to http: The emulator interface can be used to download and debug your target applications, and can transmit serial data to your PC while in or out of a debug session. If, at any time, 3 or more of these values are one remember, a sensor mote reports a one when it detects motion and a key mote has not been detected in the last 20 seconds, eez430-rf2500 alarm event is triggered.
This information obviously has to be provided to the software by the user.
eZ430-RF2500 Group Page
If we were to continue working on it, we discussed turning our security system into a more powerful “home monitoring” system. Both types of sensors are attached to motes flashed with software that repeatedly about once per second checks the value of the ADC; if it is above or below, depending on the sensor a certain threshold, a value of one is reported to the access point. Notes Be sure to get the latest install files from http: For instance, particle and temperature sensors could potentially detect fires.
A third type of mote, called a “key mote,” is used to disarm the system.
You may need to go to Visfa under Menu to get the demo to run. This degradation could be a combination of degradation in output power, sensitivity, antenna gain, or just a degradation in one of them. It is up to this program to use feedback from the sensor motes to decide if an actual intrusion has occurred and the user should be alerted.
We currently do this by simply storing the ten most recently received values.