我用的芯片28335，CCS5.4。
我想用printf在console里打印数据，老是不成功。
我的程序：
#include"DSP2833x_Device.h" #include"math.h" #include"stdio.h" float spo,spe;
void main(void) { float j; float k; int a; int b;
a=1413; b=12412; j=123.56; k=323.41; spo=(float)a*b; spe=(j+k)*j/k; printf("xzz"); while(1); }
CMD文件如下：
MEMORY { PAGE 0 : /* BEGIN is used for the "boot to SARAM" bootloader mode */
BEGIN : origin = 0x000000, length = 0x000002 /* Boot to M0 will go here */ RAMM0 : origin = 0x000050, length = 0x0003B0 RAML0 : origin = 0x008000, length = 0x001000 RAML1 : origin = 0x009000, length = 0x001000 RAML2 : origin = 0x00A000, length = 0x001000 RAML3 : origin = 0x00B000, length = 0x001000 ZONE7A : origin = 0x200000, length = 0x00FC00 /* XINTF zone 7 - program space */ CSM_RSVD : origin = 0x33FF80, length = 0x000076 /* Part of FLASHA. Program with all 0x0000 when CSM is in use. */ CSM_PWL : origin = 0x33FFF8, length = 0x000008 /* Part of FLASHA. CSM password locations in FLASHA */ ADC_CAL : origin = 0x380080, length = 0x000009 RESET : origin = 0x3FFFC0, length = 0x000002 IQTABLES : origin = 0x3FE000, length = 0x000b50 IQTABLES2 : origin = 0x3FEB50, length = 0x00008c FPUTABLES : origin = 0x3FEBDC, length = 0x0006A0 BOOTROM : origin = 0x3FF27C, length = 0x000D44
RAML6L7 : origin = 0x3F8000, length = 0x003000
PAGE 1 : /* BOOT_RSVD is used by the boot ROM for stack. */ /* This section is only reserved to keep the BOOT ROM from */ /* corrupting this area during the debug process */
BOOT_RSVD : origin = 0x000002, length = 0x00004E /* Part of M0, BOOT rom will use this for stack */ RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */ RAML4 : origin = 0x00C000, length = 0x001000 RAML5 : origin = 0x00D000, length = 0x001000
ZONE7B : origin = 0x20FC00, length = 0x010400 /* XINTF zone 7 - data space */ ZONE7C : origin = 0x22FC00, length = 0x010400 ZONE7D : origin = 0x24FC00, length = 0x010400 }
SECTIONS { /* Setup for "boot to SARAM" mode: The codestart section (found in DSP28_CodeStartBranch.asm) re-directs execution to the start of user code. */ codestart : > BEGIN, PAGE = 0 ramfuncs : > RAML0, PAGE = 0 .text : > RAML6L7, PAGE = 0 .cinit : > RAML0, PAGE = 0 .pinit : > RAML0, PAGE = 0 .switch : > RAML0, PAGE = 0
/*.stack : > RAMM1, PAGE = 1 .ebss : > RAML4, PAGE = 1*/ .stack : > ZONE7C, PAGE = 1 .ebss : > ZONE7D, PAGE = 1 .econst : > RAML5, PAGE = 1 .esysmem : > RAMM1, PAGE = 1
.cio : > RAML5, PAGE = 1
IQmath : > RAML1, PAGE = 0 IQmathTables : > IQTABLES, PAGE = 0, TYPE = NOLOAD
/* Uncomment the section below if calling the IQNexp() or IQexp() functions from the IQMath.lib library in order to utilize the relevant IQ Math table in Boot ROM (This saves space and Boot ROM is 1 wait-state). If this section is not uncommented, IQmathTables2 will be loaded into other memory (SARAM, Flash, etc.) and will take up space, but 0 wait-state is possible. */ /* IQmathTables2 : > IQTABLES2, PAGE = 0, TYPE = NOLOAD {
IQmath.lib<IQNexpTable.obj> (IQmathTablesRam)
} */
FPUmathTables : > FPUTABLES, PAGE = 0, TYPE = NOLOAD
DMARAML4 : > RAML4, PAGE = 1 DMARAML5 : > RAML5, PAGE = 1 //DMARAML6 : > RAML6, PAGE = 1 //DMARAML7 : > RAML7, PAGE = 1
ZONE7DATA : > ZONE7B, PAGE = 1
.reset : > RESET, PAGE = 0, TYPE = DSECT /* not used */ csm_rsvd : > CSM_RSVD PAGE = 0, TYPE = DSECT /* not used for SARAM examples */ csmpasswds : > CSM_PWL PAGE = 0, TYPE = DSECT /* not used for SARAM examples */
/* Allocate ADC_cal function (pre-programmed by factory into TI reserved memory) */ .adc_cal : load = ADC_CAL, PAGE = 0, TYPE = NOLOAD
}
请高手指教，谢谢！
