MSP430F5526 SPRINTF not working properly CCS5

Quintin Becker

Prodigy 80 points

I want to use SPRINTF to build a string that is sent by USB(CDC) to the PC.

I configured CCS mith full printf-support for debug and release.

This is what I wrote:

sprintf (outString,"Temperature: %#X bla %d \r\n",15, (signed int)15);

And this is what i expected:

"Temperatur: 0XF bla 15"

Unfortunately i get this:

"Temperatur: 0XF bla 1f"

I cant figuere out why SPRINTF behaves like this and I tried nerly everything to solve this problem.

This is what i tried so far:

- write values into local variables.

- typecasting

- different formates

For me it lookes like there is a problem with an Offset within the SPRINTF function because 1 is ASCII 31 and 5 is 35. If i add these two i get 66 what is a ascii f which fits the result i get.

Is there a way finding out what is going wrong ?

over 12 years ago

0 Chester Gillon over 12 years ago

Guru 92251 points

There is an error in MSP430 compiler version 4.0.0 with sprintf where only a single character is printed. See Only single character parameters working in printf/sprintf

This is fixed in MSP430 compiler version 4.0.1

While compiler version are you using?

(CCS 5.1 installs MSP430 compiler version 4.0.0)

0 Quintin Becker over 12 years ago in reply to Chester Gillon

Prodigy 80 points

Thats right, I use version 4.0.0.

I havent heard about this BUG so far and glad that it wasn't my fault ^^

Does CCS 5.2.0.Beta contain version 4.0.1 ?

Thanks for your help.

0 Chester Gillon over 12 years ago in reply to Quintin Becker

Guru 92251 points

Quintin Becker said:

Does CCS 5.2.0.Beta contain version 4.0.1 ?

I can't see any CCS 5.2.0.Beta release notes on Code Composer Studio Version 5 Downloads so am not sure.

You will probably get a quicker answer by posting the question in the Code Composer Studio forum.

0 1980best over 11 years ago in reply to Chester Gillon

Prodigy 80 points

#include <msp430.h>

#include <stdio.h> //////////////!!!!!!!!!!!!!!!

char value[20];

unsigned char x;

sprintf(value,"%d ", x);
glcd_text57(10, 30, value ,1,1);

enjoy....

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MSP430F5526 SPRINTF not working properly CCS5