How can I use the functions of "powf, log10...etc" at CCS?

Hi Jo,

There are two things I recommend checking first

- your code is not too large for the device and/or if you are using the code size limited license, you are not going over the imposed limit

- double check your include paths and options as per this wiki

http://processors.wiki.ti.com/index.php/Include_paths_and_options

Please keep us informed.

Best Regards,
Lisa

thanks for your reply.

I think it's not the problem of ilnk setting.

you can see the reason why I tell you that's not the problem.

please see the following picture.

as you can see, it's the debugging mode, so there is no problem at compiling

but when I checked the result, tmp = 100/3+1;

I couldn't see the result 34.

I don't know the reason....

please help me out.

Hi Jo,

so is you problem simply that you can not see that variable in the expressions window?  Is that correct? 

One reason this could be is if the variable has been optimized out.  What optimization settings do you use?  Have you defined tmp as static or volatile?

Best Regards,
Lisa

Jo yonhghyun said:

But When I try to use 'powf' function at math.h files, it ocured some error statements like following image.

The error is telling you that you do not have any more space in the section of memory you allocated your code to. Can I see the output in the build Console? You should have gotten some linker errors that detail this.

Thanks

ki

Jo yonhghyun said:

as you can see, it's the debugging mode, so there is no problem at compiling

The error you mentioned in your first post looked to be some build error. If the program built successfully, then either the errors were left over or from somewhere else. It is hard to understand what the issues are. Could you try using a new workspace? Hopefully that will clear up the first issue and it will be easier to understand what the real problem is.

Thanks

ki

Hi Ki, As you wrote down, it's a memory problem.

the error message is following. this error message occur when I use "powf" function at <math.h>.

<Linking>
"../lnk_cc430f6137_4+32.cmd", line 114: error #10099-D: program will not fit
into available memory. run placement with alignment fails for section
".sysmem" size 0x3e8 . Available memory ranges:
RAM size: 0xffe unused: 0xf0 max hole: 0xee
error #10010: errors encountered during linking; "EnergyAwareRouting_00.out"
not built

>> Compilation failure
gmake: *** [EnergyAwareRouting_00.out] Error 1
gmake: Target `all' not remade because of errors.

So how can I make fit into our CC4306137 memory to use powf function?

thanks.

Can you attach the linker command file (*.cmd) file you are using?

Thanks

ki

Okay the cmd file I'm using is the following..

/******************************************************************************/
/* lnk_cc430_4+32.cmd */
/* */
/* LINKER COMMAND FILE FOR LINKING CC430's WITH 4KB SRAM AND 32KB FLASH */
/* */
/* Relevant parts: CC430F5137, CC430F6137 */
/* */
/* Usage: lnk430 <obj files...> -o <out file> -m <map file> lnk.cmd */
/* cl430 <src files...> -z -o <out file> -m <map file> lnk.cmd */
/* */
/*----------------------------------------------------------------------------*/
/* These linker options are for command line linking only. For IDE linking, */
/* you should set your linker options in Project Properties */
/* -c LINK USING C CONVENTIONS */
/* -stack 0x0100 SOFTWARE STACK SIZE */
/* -heap 0x0100 HEAP AREA SIZE */
/* */
/*----------------------------------------------------------------------------*/

/****************************************************************************/
/* SPECIFY THE SYSTEM MEMORY MAP */
/****************************************************************************/

MEMORY
{
SFR : origin = 0x0000, length = 0x0010
PERIPHERALS_8BIT : origin = 0x0010, length = 0x00F0
PERIPHERALS_16BIT : origin = 0x0100, length = 0x0100
RAM : origin = 0x1C00, length = 0x0FFE
INFOA : origin = 0x1980, length = 0x0080
INFOB : origin = 0x1900, length = 0x0080
INFOC : origin = 0x1880, length = 0x0080
INFOD : origin = 0x1800, length = 0x0080
FLASH_VL_OV : origin = 0x8000, length = 0x0360
FLASH_VL_ISFS : origin = 0x8360, length = 0x00A0
/*FLASH_VL_GFB : origin = 0x8400, length = 0x0000*/
FLASH_VL_ISF : origin = 0x8400, length = 0x0600
FLASH_VL_EXT : origin = 0x8A00, length = 0x0600
FLASH : origin = 0x9000, length = 0x6F80
INT00 : origin = 0xFF80, length = 0x0002
INT01 : origin = 0xFF82, length = 0x0002
INT02 : origin = 0xFF84, length = 0x0002
INT03 : origin = 0xFF86, length = 0x0002
INT04 : origin = 0xFF88, length = 0x0002
INT05 : origin = 0xFF8A, length = 0x0002
INT06 : origin = 0xFF8C, length = 0x0002
INT07 : origin = 0xFF8E, length = 0x0002
INT08 : origin = 0xFF90, length = 0x0002
INT09 : origin = 0xFF92, length = 0x0002
INT10 : origin = 0xFF94, length = 0x0002
INT11 : origin = 0xFF96, length = 0x0002
INT12 : origin = 0xFF98, length = 0x0002
INT13 : origin = 0xFF9A, length = 0x0002
INT14 : origin = 0xFF9C, length = 0x0002
INT15 : origin = 0xFF9E, length = 0x0002
INT16 : origin = 0xFFA0, length = 0x0002
INT17 : origin = 0xFFA2, length = 0x0002
INT18 : origin = 0xFFA4, length = 0x0002
INT19 : origin = 0xFFA6, length = 0x0002
INT20 : origin = 0xFFA8, length = 0x0002
INT21 : origin = 0xFFAA, length = 0x0002
INT22 : origin = 0xFFAC, length = 0x0002
INT23 : origin = 0xFFAE, length = 0x0002
INT24 : origin = 0xFFB0, length = 0x0002
INT25 : origin = 0xFFB2, length = 0x0002
INT26 : origin = 0xFFB4, length = 0x0002
INT27 : origin = 0xFFB6, length = 0x0002
INT28 : origin = 0xFFB8, length = 0x0002
INT29 : origin = 0xFFBA, length = 0x0002
INT30 : origin = 0xFFBC, length = 0x0002
INT31 : origin = 0xFFBE, length = 0x0002
INT32 : origin = 0xFFC0, length = 0x0002
INT33 : origin = 0xFFC2, length = 0x0002
INT34 : origin = 0xFFC4, length = 0x0002
INT35 : origin = 0xFFC6, length = 0x0002
INT36 : origin = 0xFFC8, length = 0x0002
INT37 : origin = 0xFFCA, length = 0x0002
INT38 : origin = 0xFFCC, length = 0x0002
INT39 : origin = 0xFFCE, length = 0x0002
INT40 : origin = 0xFFD0, length = 0x0002
INT41 : origin = 0xFFD2, length = 0x0002
INT42 : origin = 0xFFD4, length = 0x0002
INT43 : origin = 0xFFD6, length = 0x0002
INT44 : origin = 0xFFD8, length = 0x0002
INT45 : origin = 0xFFDA, length = 0x0002
INT46 : origin = 0xFFDC, length = 0x0002
INT47 : origin = 0xFFDE, length = 0x0002
INT48 : origin = 0xFFE0, length = 0x0002
INT49 : origin = 0xFFE2, length = 0x0002
INT50 : origin = 0xFFE4, length = 0x0002
INT51 : origin = 0xFFE6, length = 0x0002
INT52 : origin = 0xFFE8, length = 0x0002
INT53 : origin = 0xFFEA, length = 0x0002
INT54 : origin = 0xFFEC, length = 0x0002
INT55 : origin = 0xFFEE, length = 0x0002
INT56 : origin = 0xFFF0, length = 0x0002
INT57 : origin = 0xFFF2, length = 0x0002
INT58 : origin = 0xFFF4, length = 0x0002
INT59 : origin = 0xFFF6, length = 0x0002
INT60 : origin = 0xFFF8, length = 0x0002
INT61 : origin = 0xFFFA, length = 0x0002
INT62 : origin = 0xFFFC, length = 0x0002
RESET : origin = 0xFFFE, length = 0x0002
}

/****************************************************************************/
/* SPECIFY THE SECTIONS ALLOCATION INTO MEMORY */
/****************************************************************************/

SECTIONS
{
.bss : {} > RAM /* GLOBAL & STATIC VARS */
.sysmem : {} > RAM /* DYNAMIC MEMORY ALLOCATION AREA */
.stack : {} > RAM (HIGH) /* SOFTWARE SYSTEM STACK */

.vl_ov : {} > FLASH_VL_OV /* All VL data is for the filesystem */
.vl_isfs : {} > FLASH_VL_ISFS
/* .vl_gfb : {} > FLASH_VL_GFB */
.vl_isf : {} > FLASH_VL_ISF
.vl_ext : {} > FLASH_VL_EXT

.text : {} > FLASH /* CODE */
.cinit : {} > FLASH /* INITIALIZATION TABLES */
.const : {} > FLASH /* CONSTANT DATA */
.cio : {} > RAM /* C I/O BUFFER */

.pinit : {} > FLASH /* C++ CONSTRUCTOR TABLES */

.infoA : {} > INFOA /* MSP430 INFO FLASH MEMORY SEGMENTS */
.infoB : {} > INFOB
.infoC : {} > INFOC
.infoD : {} > INFOD

.int00 : {} > INT00 /* MSP430 INTERRUPT VECTORS */
.int01 : {} > INT01
.int02 : {} > INT02
.int03 : {} > INT03
.int04 : {} > INT04
.int05 : {} > INT05
.int06 : {} > INT06
.int07 : {} > INT07
.int08 : {} > INT08
.int09 : {} > INT09
.int10 : {} > INT10
.int11 : {} > INT11
.int12 : {} > INT12
.int13 : {} > INT13
.int14 : {} > INT14
.int15 : {} > INT15
.int16 : {} > INT16
.int17 : {} > INT17
.int18 : {} > INT18
.int19 : {} > INT19
.int20 : {} > INT20
.int21 : {} > INT21
.int22 : {} > INT22
.int23 : {} > INT23
.int24 : {} > INT24
.int25 : {} > INT25
.int26 : {} > INT26
.int27 : {} > INT27
.int28 : {} > INT28
.int29 : {} > INT29
.int30 : {} > INT30
.int31 : {} > INT31
.int32 : {} > INT32
.int33 : {} > INT33
.int34 : {} > INT34
.int35 : {} > INT35
.int36 : {} > INT36
.int37 : {} > INT37
.int38 : {} > INT38
.int39 : {} > INT39
.int40 : {} > INT40
.int41 : {} > INT41
.int42 : {} > INT42
.int43 : {} > INT43
.int44 : {} > INT44
.int45 : {} > INT45
.int46 : {} > INT46
.int47 : {} > INT47
.int48 : {} > INT48
.int49 : {} > INT49
.int50 : {} > INT50
.int51 : {} > INT51
.int52 : {} > INT52
.int53 : {} > INT53
.int54 : {} > INT54
.int55 : {} > INT55
.int56 : {} > INT56
.int57 : {} > INT57
.int58 : {} > INT58
.int59 : {} > INT59
.int60 : {} > INT60
.int61 : {} > INT61
.int62 : {} > INT62
.reset : {} > RESET /* MSP430 RESET VECTOR */
}

/****************************************************************************/
/* INCLUDE PERIPHERALS MEMORY MAP */
/****************************************************************************/

-l cc430f6137.cmd