我在dsp中做一个滤波，数据在dsp中滤波后将数据发到电脑上，计算机上有单独的软件进行作图处理。使用仿真器时，dsp中加滤波后的波形正确的（使用28335_RAM_Lnk.cmd），但是在写进flash后，独立运行运行时波形就成直线啦(使用28335.cmd)
使用同一个cmd（28335.cmd）在把程序中滤波注释掉后，也就是不进行滤波写进flash运行，波形正常
各位位大侠帮我看看我的cmd文件，问题出在什么地方！！
谢谢！！！
28335.cmd：
MEMORY
{
PAGE 0: /* Program Memory */
/* Memory (RAM/FLASH/OTP) blocks can be moved to PAGE1 for data allocation */
ZONE0 : origin = 0x004000, length = 0x001000 /* XINTF zone 0 */
RAML0 : origin = 0x008000, length = 0x001500 /* on-chip RAM block L0 */
RAML1 : origin = 0x009500, length = 0x001000 /* on-chip RAM block L1 */
RAML2 : origin = 0x00A500, length = 0x001000 /* on-chip RAM block L2 */
RAML3 : origin = 0x00B500, length = 0x000500 /* on-chip RAM block L3 */
/*ZONE6 : origin = 0x0100000, length = 0x100000*/ /* XINTF zone 6 */
/*ZONE7A : origin = 0x0200000, length = 0x00FC00*/ /* XINTF zone 7 - program space */
ZONE7A : origin = 0x0200000, length = 0x080000 /* XINTF zone 7 - program space */
FLASHH : origin = 0x300000, length = 0x008000 /* on-chip FLASH */
FLASHG : origin = 0x308000, length = 0x008000 /* on-chip FLASH */
FLASHF : origin = 0x310000, length = 0x008000 /* on-chip FLASH */
FLASHE : origin = 0x318000, length = 0x008000 /* on-chip FLASH */
FLASHD : origin = 0x320000, length = 0x008000 /* on-chip FLASH */
FLASHC : origin = 0x328000, length = 0x008000 /* on-chip FLASH */
FLASHA : origin = 0x338000, length = 0x007F80 /* on-chip FLASH */
CSM_RSVD : origin = 0x33FF80, length = 0x000076 /* Part of FLASHA. Program with all 0x0000 when CSM is in use. */
BEGIN : origin = 0x33FFF6, length = 0x000002 /* Part of FLASHA. Used for "boot to Flash" bootloader mode. */
CSM_PWL : origin = 0x33FFF8, length = 0x000008 /* Part of FLASHA. CSM password locations in FLASHA */
OTP : origin = 0x380400, length = 0x000400 /* on-chip OTP */
ADC_CAL : origin = 0x380080, length = 0x000009 /* ADC_cal function in Reserved memory */
IQTABLES : origin = 0x3FE000, length = 0x000b50 /* IQ Math Tables in Boot ROM */
IQTABLES2 : origin = 0x3FEB50, length = 0x00008c /* IQ Math Tables in Boot ROM */
FPUTABLES : origin = 0x3FEBDC, length = 0x0006A0 /* FPU Tables in Boot ROM */
ROM : origin = 0x3FF27C, length = 0x000D44 /* Boot ROM */
RESET : origin = 0x3FFFC0, length = 0x000002 /* part of boot ROM */
VECTORS : origin = 0x3FFFC2, length = 0x00003E /* part of boot ROM */
PAGE 1 :
BOOT_RSVD : origin = 0x000000, length = 0x000050 /* Part of M0, BOOT rom will use this for stack */
RAMM0 : origin = 0x000050, length = 0x0003B0 /* on-chip RAM block M0 */
RAMM1 : origin = 0x000400, length = 0x000400 /* on-chip RAM block M1 */
RAML4 : origin = 0x00C000, length = 0x001000 /* on-chip RAM block L1 */
RAML5 : origin = 0x00D000, length = 0x001000 /* on-chip RAM block L1 */
RAML6 : origin = 0x00E000, length = 0x004000 /* on-chip RAM block L1 */
RAML7 : origin = 0x013000, length = 0x001000 /* on-chip RAM block L1 */
/*ZONE7B : origin = 0x20FC00, length = 0x000400*/ /* XINTF zone 7 - data space */
ZONE7B : origin = 0x280000, length = 0x080000 /* XINTF zone 7 - data space */
FLASHB : origin = 0x330000, length = 0x008000 /* on-chip FLASH */
}
SECTIONS
{
/* Allocate program areas: */
.cinit : > FLASHH PAGE = 0
.pinit : > FLASHH, PAGE = 0
.text : > FLASHH PAGE = 0
codestart : > BEGIN PAGE = 0
ramfuncs : LOAD = FLASHD,
RUN = RAML0,
LOAD_START(_RamfuncsLoadStart),
LOAD_END(_RamfuncsLoadEnd),
RUN_START(_RamfuncsRunStart),
PAGE = 0
csmpasswds : > CSM_PWL PAGE = 0
csm_rsvd : > CSM_RSVD PAGE = 0
/* Allocate uninitalized data sections: */
.stack : > RAMM1 PAGE = 1
//.ebss : > RAML4 PAGE = 1
.ebss : > ZONE7B, PAGE = 1
.esysmem : > RAMM1 PAGE = 1
/* Initalized sections go in Flash */
/* For SDFlash to program these, they must be allocated to page 0 */
.econst : > FLASHA PAGE = 0
.switch : > FLASHA PAGE = 0
/***********2011-7-1 added by charlie********fir lvbo**************/增加的滤波
firdb : > RAML6 PAGE = 1
firfilt : > RAML4 PAGE = 1
//coefffilt : > RAML7 PAGE = 1
sigIn : > RAML7 PAGE = 1
sigOut : > RAML5 PAGE = 1
/***********2011-7-1 added by charlie********fir lvbo**************/
/* Allocate IQ math areas: */
IQmath : > FLASHC PAGE = 0 /* Math Code */
IQmathTables : > IQTABLES, PAGE = 0, TYPE = NOLOAD
IQmathTables2 : > IQTABLES2, PAGE = 0, TYPE = NOLOAD
FPUmathTables : > FPUTABLES, PAGE = 0, TYPE = NOLOAD
/* Allocate DMA-accessible RAM sections: */
DMARAML4 : > RAML4, PAGE = 1
DMARAML5 : > RAML5, PAGE = 1
DMARAML6 : > RAML6, PAGE = 1
DMARAML7 : > RAML7, PAGE = 1
/* Allocate 0x400 of XINTF Zone 7 to storing data */
ZONE7DATA : > ZONE7B, PAGE = 1
FFTBUF : > RAML6, PAGE = 1
.reset : > RESET, PAGE = 0, TYPE = DSECT
vectors : > VECTORS PAGE = 0, TYPE = DSECT
/* Allocate ADC_cal function (pre-programmed by factory into TI reserved memory) */
.adc_cal : load = ADC_CAL, PAGE = 0, TYPE = NOLOAD
} |
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