MSP430F5172: How to reduce RAM size and code size?

Kirk Zhang

Intellectual 370 points

Part Number: MSP430F5172

Hi TI Team,

About MSP430xxxx MCU,

How to reduce RAM size and code size?

We want to know about them.

Can you offer several ways?

Thank you,

Kirk Zhang / Driver Team

Sercomm

over 5 years ago

0 Johnson He over 5 years ago

TI__Mastermind 30406 points

Hi Kirk,

Please help to check if this document be useful for you:

https://www.ti.com/lit/an/slaa801/slaa801.pdf

Thanks!

Best Regards

Johnson

0 Kirk Zhang over 5 years ago in reply to Johnson He

Intellectual 370 points

Hi Johnson，

About speed and size, Does this ' speed ' mean run speed or compile speed?

0 Johnson He over 5 years ago in reply to Kirk Zhang

TI__Mastermind 30406 points

Hi Kirk,

run speed.

Best Regards

Johnson

0 Kirk Zhang over 5 years ago in reply to Johnson He

Intellectual 370 points

Hi Johnson,

1. We have adjusted the setting of CCS according to the first two options in the guide you provided. My own project code can indeed reduce the flash size of about 400 bytes, but my colleague's project cannot be completely reduced. Our MCU model is the same, but his code is a little more. He adjusted the second option (changing large to small) and it didn't even compile.

2. If I set it to 0 (size), how much does run speed matter? Is it obvious? Does it affect our processing speed?

Thank you.

0 Johnson He over 5 years ago in reply to Kirk Zhang

TI__Mastermind 30406 points

Hi Kirk,

Q1: The optimized size is determined by the content that can be optimized in the code, so not every code can be optimized. Maybe you can try IAR. Generally, the code size compiled by IAR will be smaller than CC.

Q2: No big impact for your function.

Thanks!

Best Regards

Johnson

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MSP430F5172: How to reduce RAM size and code size?