CCS/CC2640R2F: Switching between 2 Sensor Controller Projects in 1 CCS BLE Project

Hi Ali,

Is the goal to combine the two projects so that you only have one project that has the code for both? And the required source for a particular build depends on a value stored in flash on the device?

If so, what comes to mind is to have one project with two specific build configurations. Each configuration would specify a specific set of source files and build options that are specific to a specific "project number"

I'm still a bit confused on the use case. I guess you would have to read the "project number" value from flash on the target (how? Using CCS to read memory?) and once you know the number, you can then use the associated build configuration for that number... ? Does that make sense?

Thanks

ki 

Hi Ki,

Thank you for your response. 

• "Is the goal to combine the two projects so that you only have one project that has the code for both? And the required source for a particular build depends on a value stored in flash on the device"

Yes, exactly. I'd like to combine two Sensor Controller (SC) Projects into 1 Simple Peripheral project, and be able to use either SC project based on value stored in flash on the device. But to clarify, the goal is for this to all be downloaded onto the Peripheral so that the CC2640R2F is able to switch between SC project and SC project 2 based on a BLE characteristic value that I store to memory. So for example the flow would be the chip is running SC project 1, then I write Characteristic Value from my phone, this new value gets stored in memory, then next time the chip power resets it will be running SC project 2. Hope that makes sense.

• If so, what comes to mind is to have one project with two specific build configurations. Each configuration would specify a specific set of source files and build options that are specific to a specific "project number

I think this is different. See point above. My goal is to change the setup of the build so that two SC projects can coexist (maybe in different directories?) in one built project, so then in the SimplePeriphal.C i could do something like

if(memory == 1)

    #include SCproject1/scif.h

else 

    #include SCproject2/scif.h

Hope that clarified things a bit. Right now when I try this the project fails to compile because it gives redefinition error for all my methods in scif.h

Thanks!

Ali

Ali Mirzazadeh said:

But to clarify, the goal is for this to all be downloaded onto the Peripheral so that the CC2640R2F is able to switch between SC project and SC project 2 based on a BLE characteristic value that I store to memory. So for example the flow would be the chip is running SC project 1, then I write Characteristic Value from my phone, this new value gets stored in memory, then next time the chip power resets it will be running SC project 2. Hope that makes sense.

From my long experienced using Sensor Controller, what you want to do is not ideal. If you want to use another Sensor Controller project during run time then you need to re-init the Sensor Controller, which means you need to re-init the device.

-kel

Hi Kel, by re-init do you just mean to turn off and back on? If so, that is quite OK. I don't need the other project immediately. What do you do in order to achieve this?

Thanks!

Ali

Hi,

I have a CCS project with 2 Sensor Controller Program files, which is stored at 2 separate folders at CCS Project. The other not used Sensor Controller folder is excluded at build. Also I set the include options for the Sensor Controller folder in use.

The reason for this is because the CCS project is configurable to work for the Launchpad and a custom board.

-kel

Hi Kel,

Thank you for the quick response. I see. This is I think almost exactly what I am trying to do. I have 2 Questions:

1. How did you do excluding from build? I made two directories in my project folder in the workspace, but the program seemed to be trying to build both even though I put the include to a specific director....I have a feeling it might be because the build settings automatically build everything in the main project folder regardless of included or not? How did you setup your directories to get it to correctly exclude from build?

2. Correct me if I'm wrong, but what I understand with your method is that it is not possible to switch after the program is built and launched, the switch can only be done with setting an include option in CCS? If so, do you know of a way to take this a step further and build both SC projects but exclude/include one or the other at device power-up? If not, your way is the second best option for me but it would be ideal if it could be done like so.

Thanks so much!

Ali

Hi Ali,

I defer to Kel in regards to how best to set up your project. But regarding the below, from a generic tools point of view:

Ali Mirzazadeh said:

1. How did you do excluding from build? I made two directories in my project folder in the workspace, but the program seemed to be trying to build both even though I put the include to a specific director....I have a feeling it might be because the build settings automatically build everything in the main project folder regardless of included or not? How did you setup your directories to get it to correctly exclude from build?

By default, CCS will assume all source files that are part of a project are to be built. But you can explicitly specify files/folder to exclude from the build. This exclusion applies to the current build configuration. That is the benefit of the build configuration I mentioned earlier. You can have multiple build configuration that exclude different files and have different preprocessor define values

Thanks

ki