MSP430G2553-Q1: How to add stdio support in project from Code Composer Stuido9.3.0.00012 ?

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Prodigy 100 points

Part Number: MSP430G2553-Q1
Other Parts Discussed in Thread: MSP430G2553

Dear TI

To add the support for printf or sprintf, I have to add stdio.h in the project(BlinkLED sample project).

Here are the steps what I already did:

(1) Add #include <stdio.h>, and add code in main.c : printf("Hello");

(2) Set both heap size and stack size to 512, in the menu: Project->Property->Build->MSP430 Linker->Basic options

(3) clean and build

Then the error is showing:

"../lnk_msp430g2553.cmd", line 90: error #10099-D: program will not fit into available memory. run placement with alignment fails for section ".bss" size 0xaa . Available memory ranges:
RAM size: 0x200 unused: 0x70 max hole: 0x70
"../lnk_msp430g2553.cmd", line 91: error #10099-D: program will not fit into available memory. run placement with alignment fails for section ".data" size 0xfc . Available memory ranges:
RAM size: 0x200 unused: 0x70 max hole: 0x70
"../lnk_msp430g2553.cmd", line 100: error #10099-D: program will not fit into available memory. run placement with alignment fails for section ".cio" size 0x120 . Available memory ranges:

I read the MSP430 Optimizing C/C++ Compiler v21.6.0.LTS, in chapter 7.2.1, I read:

cl430 main.c --run_linker --heap_size=400 --library=rts430_eabi.lib --output_file=main.out

Do I miss something in my project configuration? It is urgent, please help me, thanks.

Johnson

over 3 years ago

0 Eason Zhou over 3 years ago

TI__Mastermind 38090 points

C-Printf.c

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#include <stdio.h>
#include <string.h>
#define UART_PRINTF
#ifdef UART_PRINTF
int fputc(int _c, register FILE *_fp);
int fputs(const char *_ptr, register FILE *_fp);
#endif
Main()
{
         ……………
}
#ifdef UART_PRINTF
int fputc(int _c, register FILE *_fp)
{
        while(!(UCA0IFG&UCTXIFG));
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

#include <stdio.h>
#include <string.h>

#define UART_PRINTF

#ifdef UART_PRINTF
int fputc(int _c, register FILE *_fp);
int fputs(const char *_ptr, register FILE *_fp);
#endif

Main()
{
         ……………
}

#ifdef UART_PRINTF
int fputc(int _c, register FILE *_fp)
{
        while(!(UCA0IFG&UCTXIFG));
        UCA0TXBUF = (unsigned char) _c;

        return((unsigned char)_c);
}

int fputs(const char *_ptr, register FILE *_fp)
{
        unsigned int i, len;

        len = strlen(_ptr);

        for(i=0 ; i<len ; i++)
        {
                while(!(UCA0IFG&UCTXIFG));
                UCA0TXBUF = (unsigned char) _ptr[i];
        }

        return len;
}
#endif

Here is the code for your to refer.

You can also find some help in this:http://software-dl.ti.com/ccs/esd/documents/sdto_cgt_tips_for_using_printf.html

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MSP430G2553-Q1: How to add stdio support in project from Code Composer Stuido9.3.0.00012 ?