# IAR version for MSP430 demo **URL:** \ **Category:** Kernel\ **Created:** [March 1, 2016, 9:15am UTC](https://forums.freertos.org/t/iar-version-for-msp430-demo/5816 "2016-03-01T09:15:14Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [March 1, 2016, 9:15am UTC](https://forums.freertos.org/t/iar-version-for-msp430-demo/5816/1 "2016-03-01T09:15:14Z")
**[lvitya](https://sourceforge.net/u/lvitya/)** wrote on [Tuesday, March 01, 2016](https://sourceforge.net/p/freertos/discussion/382005/thread/5f56a85a/#fcc7): Hello. I want to compile this demo [http://www.freertos.org/Free-RTOS-for-MSP430X-MSP430F5438-Experimenter-Board-using-IAR.html](http://www.freertos.org/Free-RTOS-for-MSP430X-MSP430F5438-Experimenter-Board-using-IAR.html) Currently I’m using IAR 5.50.2 IAR refuses to open the Demo, because the Demo is created in newer version. However I didn’t managed to determine IAR’s version used for the Demo. There is no such info in the Demo’s folder, nor in commit messages. Did I miss something? Q1: Where is the used version of IAR specified? Q2: How can I use FreeRTOS in older IAR? ---
**Author:** ![rtel](https://d3iykfbgfh8zhg.cloudfront.net/user_avatar/forums.freertos.org/rtel/32/31_2.png) [@rtel](https://forums.freertos.org/u/rtel)\ **Post date:** [March 1, 2016, 9:19am UTC](https://forums.freertos.org/t/iar-version-for-msp430-demo/5816/2 "2016-03-01T09:19:02Z")
**[rtel](https://sourceforge.net/u/rtel/)** wrote on [Tuesday, March 01, 2016](https://sourceforge.net/p/freertos/discussion/382005/thread/5f56a85a/#0982): I suspect the version number will be in one of the project files included in the demo - the version read by the tool itself when it attempts to open the project. Unfortunately we can only support the latest versions of tools - the project formats used by IAR versions are rarely compatible with each other. ---
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [March 1, 2016, 10:16am UTC](https://forums.freertos.org/t/iar-version-for-msp430-demo/5816/3 "2016-03-01T10:16:46Z")
**[lvitya](https://sourceforge.net/u/lvitya/)** wrote on [Tuesday, March 01, 2016](https://sourceforge.net/p/freertos/discussion/382005/thread/5f56a85a/#0982/0c64): > I suspect the version number will be in one of the project files included in the demo - the version read by the tool itself when it attempts to open the project. > Yes, .ewp file contains version. But it’s in internal IAR format, so I can’t match it with IAR version. > At the beginning of .ewp: 32 > Can you ask developers of the Demo about the IAR version, which they was used? And to specify it in accessible place in future. Or it’s better to create Feature Request? ---
**Author:** ![rtel](https://d3iykfbgfh8zhg.cloudfront.net/user_avatar/forums.freertos.org/rtel/32/31_2.png) [@rtel](https://forums.freertos.org/u/rtel)\ **Post date:** [March 1, 2016, 10:23am UTC](https://forums.freertos.org/t/iar-version-for-msp430-demo/5816/4 "2016-03-01T10:23:02Z")
**[rtel](https://sourceforge.net/u/rtel/)** wrote on [Tuesday, March 01, 2016](https://sourceforge.net/p/freertos/discussion/382005/thread/5f56a85a/#0982/0c64/6d2a): How to convert an internal version number to a release number is probably a question for IAR, but if you have an older version, what difference does it make what the newer version number is - you still won’t be able to open it. ---
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [March 1, 2016, 10:40am UTC](https://forums.freertos.org/t/iar-version-for-msp430-demo/5816/5 "2016-03-01T10:40:33Z")
**[lvitya](https://sourceforge.net/u/lvitya/)** wrote on [Tuesday, March 01, 2016](https://sourceforge.net/p/freertos/discussion/382005/thread/5f56a85a/#0982/0c64/6d2a/fe6d): > How to convert an internal version number to a release number is > probably a question for IAR > Yes, I can go that way. But it will be much better if the version is specified by developers, at least in the future. > I’m wondering why it’s not already there. > but if you have an older version, what > difference does it make what the newer version number is - you still > won’t be able to open it. > It’s better when you have a reference. Just one example. If I’m going to try the Demo, it’s worth to use tested version of IAR to avoid side effects.