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Part Number: MSP-EXP430G2ET
Tool/software: TI C/C++ Compiler
We are trying to connect a 430BOOST-ADS1118 to a MSP-EXP430G2ET. We have changed the XXX2533 part which is on the MSP430 board with the one supplied in the 430BOOST-ADS1118 kit. Everything is working fine,and we can see the temperature on the screen of the 430BOOST-ADS1118 board.
We have two questions ?
Q1. Is there any way I can get the temperature that I am seeing using my thermocouple on a file. Can I use CCS or any software to tap the 430Boost-MSP-EXP combo stacked dual-boards to get the data on to a file. I am trying to do some measurements which also needs calibration and the temperature is in the high range ( 200 + Degrees Centigrade ) . SO , I am trying to get the data off line so as not to get burnt by the flame.
Q2. Is there any way I can program the "new" Part ( The XXX2533 ) with a higher temperature threshold, the programmer on the CCS is not allowing to me to do so.
I have tried both CCS 5.3 and the latest 9.1 and I am sorry but I am unable to program the part.
Please some advice would be awesome
Can you explain what you mean in the 2nd question by programming a higher temp threshold? Are you talking about modifying the demo example?
For #1, I'll have to take look at the demo to see if it has a built in UART functionality for reading the temperature out to your PC. I'll get back to you by tomorrow.
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In reply to JD Crutchfield:
I am trying to modify the development board to run at a higher threshold, I know that it is possible, however I am not able to program it using the CCS or any other SW to do so ?
Please help, if you can
We will be very grateful
Thanks for looking at Item #2. We will hope to get a reply from you tomorrow
Regards and best wishes
+1 972 822 0882
In reply to Sudipta Sen:
Very sorry for the delay. Let's first discuss the programming aspect of the boards. Are you using the msp-exp430g2et launcpad? You should be able to connect to via the on-board USB connection and use the build on EZ FET programmer. You should be able to plug in the launchpad and download and debug right away. There are example projects here you can also test this with: http://dev.ti.com/tirex/explore/node?node=ALFfIDtjUH-HwRytz.WJPQ__IOGqZri__LATEST
As for the higher temperature measurement, I have 2 concerns.
1. Is the thermistor far away from these EVMs? These EVMs are designed to be used around room temperature and are not going to hold up to extremely high temps.
2. To support higher temperature ranges with your thermistor, you will have to edit the example from the 430BOOST-ADS1118. ADS11118.c in the usr folder is converting the ADC measurements to temperature. If you are using a thermistor with a differnet voltage to temperature co-effecient, you will need to adjust/tune this.
Hope this helps!
Dear Mr. JD Sir,
Greetings and thank you for your answer. No issues with the delay. We are R&D folks and we understand that you are a very busy person.
To answer your questions :
1. Yes, we are using the MSP-EXP430G2ET Launchpad as that is the board we have connected to the ADS-1118 board.
2. We connected it to the USB connection, but we cannot get the EZ FET Programmer to work ? P.S. We could not find any way to get to the EZ FET Programmer. Could you kindly tell us how to access that SW ? CCS is not a help here !! :-)
3. Download and DEBUG .. Awesome . Thanks . But could you please let us know where to download from ?
4. The thermistor is quite some distance away. The ADS part is at 20 degrees C and I keep it at a steady "cooler" temperature
5. To edit the ADS1118.c, where do I get the file from ? And after editing it, where do I compile the new file ? Is CCS ( Code Composer Studio ) my only way out ?
I just need to dump the values which I am getting from the TC ( Thermocouple ) on to a file/ That should not be too difficult ?
Please please please kindly help
Thanks for the patients. I'll be traveling for the next week, so my future responses will, unfortunately, also be delayed.
Based on your questions, you may need a find an embedded software developer to help you out. To accomplish what you are trying to do, you will have to modify and develop firmware that takes the temperature measurement and sends it back to your PC via a com port.
Code Composer Studio is the answer to most of your questions. It is the recommended development tool to modify, download, connect, and debug the MSP430 firmware. The source code for the example firmware that you need to modify is on the 430BOOST-ADS1118 page, here: http://www.ti.com/tool/430BOOST-ADS1118#software
Looking at the booster pack user's guide, it looks like it already has the software hooks to add UART functionality, in section 6.3. Again, this will require modification of the firmware: http://www.ti.com/lit/ug/sbau207a/sbau207a.pdf
If you want to do this yourself, I would recommend walking through some of the MSP430 Workshop series. This will walk you through the steps for installing and walking through the functionality of using code composer studio and the launchpads here: https://training.ti.com/msp430-workshop-series
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