280049 cla内核结构体变量赋值地址错乱-TI中文支持网

一.问题描述

1.1平台描述

使用TMS320F280049芯片

编译器平台ccs8.3.0

编译器版本:TI v18.1.4.LTS

1.2 Cla内核CMD内存分配

Cla核数据空间:

RAMLS0_1 : origin = 0x008000, length = 0x001000

RAMLS2_3 : origin = 0x009000, length = 0x001000

Cla核程序空间:

RAMLS4_5_6_7 : origin = 0x00A000, length = 0x002000

程序空间寄存器配置:

MemCfgRegs.LSxMSEL.bit.MSEL_LS4 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS4 = 1;

MemCfgRegs.LSxMSEL.bit.MSEL_LS5 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS5 = 1;

MemCfgRegs.LSxMSEL.bit.MSEL_LS6 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS6 = 1;

MemCfgRegs.LSxMSEL.bit.MSEL_LS7 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS7 = 1;

数据空间寄存器配置:

MemCfgRegs.LSxMSEL.bit.MSEL_LS0 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS0 = 0;

MemCfgRegs.LSxMSEL.bit.MSEL_LS1 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS1 = 0;

MemCfgRegs.LSxMSEL.bit.MSEL_LS2 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS2 = 0;

MemCfgRegs.LSxMSEL.bit.MSEL_LS3 = 1;

MemCfgRegs.LSxCLAPGM.bit.CLAPGM_LS3 = 0;

1.3问题描述

在Cla内核中定义结构体变量

Struct_SourceVector strBypVoltageVector;

在.c文件中给这个结构体变量的元素赋值：

strBypVoltageVector.phaseA = 1;

strBypVoltageVector.alpha = 2;

strBypVoltageVector.alphaPos = 3;//strBypVoltageVector.phaseA;

strBypVoltageVector.beta = 4;

strBypVoltageVector.betaPos = 5;//strFifoOutputVoltAlpha.beforeOneFourthData;

程序烧录并调试(通过SCI串口方式把DSP数据用电脑显示，用这种方式查看变量目前为止并未出现过错误，故可以排除通讯与显示造成的问题)

但是发现变量strBypVoltageVector.alphaPos 和 strBypVoltageVector.betaPos的值并不等于3和5，而是等于0，通过Map文件往结构体strBypVoltageVector变量地址附近查找，发现strBypVoltageVector结构体变量地址000081b4上面的地址 fGridVoltAxisQFliterInteg1 00008186与fGridVoltAxisDFliterInteg1 00008188变量改变并等于3和5(这两个变量程序中从来没有用到),

具体结构体定义与相关变量地址如下:

//电压数据结构体

typedef struct

{

float phaseA;

float phaseB;

float phaseC;

float alpha;

float beta;

float axisDpos;

float axisQpos;

float axisDneg;

float axisQneg;

float alphaPos;

float betaPos;

float alphaNeg;

float betaNeg;

float vectValuePos;

float vectSinPos;

float vectCosPos;

float prevectSinPos;

float prevectCosPos;

float axisD;

float axisQ;

float axisDFliter;

float axisQFliter;

}Struct_SourceVector; //电网数据结构

//相关数据地址

00008180 206 (00008180) _fOutCurAxisDFliterInteg

00008182 206 (00008180) _fGridVoltAxisQFliterInteg

00008184 206 (00008180) _fGridVoltAxisDFliterInteg

00008186 206 (00008180) _fGridVoltAxisQFliterInteg1

00008188 206 (00008180) _fGridVoltAxisDFliterInteg1

0000818a 206 (00008180) _fOutRealPowerP

0000818c 206 (00008180) _fSelfAgeCurrSet

0000818e 206 (00008180) _fSelfAgeCurrAxisQSet

00008190 206 (00008180) _fSelfAgeCurrAxisDRef

00008192 206 (00008180) _fSelfAgeCurrAxisQRef

00008194 206 (00008180) _fSelfAgeLoopAxisDKpout

00008196 206 (00008180) _fSelfAgeLoopAxisDIng

00008198 206 (00008180) _fSelfAgeLoopAxisDOut

0000819a 206 (00008180) _fSelfAgeLoopAxisQKpout

0000819c 206 (00008180) _fSelfAgeLoopAxisQIng

0000819e 206 (00008180) _fSelfAgeLoopAxisQOut

000081a0 206 (00008180) _fSelfAgeLoopOutAxisD

000081a2 206 (00008180) _fSelfAgeLoopOutAxisQ

000081a4 206 (00008180) _fSelfAgeLoopOutAlpha

000081a6 206 (00008180) _fSelfAgeLoopOutBeta

000081a8 206 (00008180) _uiSelfAgingSoftCnt

000081aa 206 (00008180) _fSciVoltLoopKp

000081ac 206 (00008180) _fSciVoltLoopKi

000081ae 206 (00008180) _fSciCurrLoopKp

000081b0 206 (00008180) _fSciCurrLoopKi

000081b2 206 (00008180) _fSciFeedBackParam

000081b4 206 (00008180) _strBypVoltageVector

000081e0 207 (000081c0) _strGridVoltageVector

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