expWord格式文档下载.docx

expWord格式文档下载.docx

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STM#a,AR3

STM#x,AR4

RPTZA,#3

MAC*AR3+,*AR4+,A

;

ld#1,dp

stm#y,AR2

stlA,*AR2

STLA,@y

RET

.end

乘累加实验.cmd

MEMORY/*TMS320C54xmicroprocessormodememorymap*/

{

PAGE0:

PROG:

origin=0x2400,length=0x1b80

/*5b80codeindebugmodesetlength=5b80,elseset1b80*/

VECTORS:

origin=0x3F80,length=0x80

/*7f80interruptvectortableintdebugmode,elseset3f80*/

PAGE1:

DARAM:

origin=0x0080,length=0x1f80/*databuffer,8064words*/

STACK:

origin=0x2000,length=0x400/*stack,1024words*/

}

SECTIONS

/*Cdefinition*/

.text:

load=PROGpage0/*executablecode*/

.cinit:

load=PROGpage0/*tablesforinitializingvariablesandconstants*/

.switch:

load=PROGpage0/*tablesforswitchstatement*/

.const:

load=PROGpage0/*datadefinedasCqualifierconst常数表*/

.data:

load=PROGpage0/*.datfiles*/

.bss:

load=DARAMpage1/*globalandstaticvariables*/

.stack:

load=STACKpage1/*Csystemstack*/

.coeff:

load=DARAMpage1/*.hfile*/

/*ASMdefinition*/

.vectors:

>

VECTORSpage0/*interruptvectortable*/

.daram_buffers:

DARAMpage1/*globaldatabuffers*/

.control_variables:

DARAMpage1/*globaldatavariables*/

P205带中断的乘累加

*MAINT2.asmy=a1*x1+a2*x2+a3*x3+a4*x4*

MAINT2.asm"

.def_c_int02

STM#STACK+10h,SP

RSBXINTM

STM#0004h,IMR

_c_int02:

NEGA

RETE

P214C程序

Sin_am.c

#include<

stdio.h>

math.h>

#defineTURE1

inty[500],i;

floatM;

voidmain（）

puts（"

Amplitudemodulationsinewaveexamplestarted.\n"

）;

M=50;

for（i=0;

i<

500;

i++）

{y[i]=0;

while（TURE）

{

for（i=0;

{

y[i]=（int）（（1+M/100*sin（i*2*3.14159*20/4000））*sin（i*2*3.14159*200/4000）*16384）;

}

puts（"

programend"

}

Sin_am_v.asm

.title"

sin_am_v.asm"

.sect"

.vectors"

.ref_c_int00;

Centrypoint

RESET:

;

resetvector

B_c_int00;

branchtoCentrypoint

.end

Sin_am.cmd

-stack256

-heap256

MEMORY

PAGE0:

EPROG:

origin=0x1400,len=0x7c00

VECT:

origin=0xff80,len=0x80

PAGE1:

origin=0x60,len=0x1c

IDATA:

origin=0x80,len=0x3000

.vectors:

VECTPAGE0

EPROGPAGE0

.cinit:

.bss:

IDATAPAGE1

.const:

.switch:

.sysmem:

.stack:

.cio:

Vary_M.gel

menuitem"

MyFunctions"

slidervary_M（0,100,10,1,Amount_of_modulation）

M=Amount_of_moulation;

闪灯程序（XF）

;

*文件名称:

EXP01.ASM

*--------------------------------------------------

--------------------伪指令-------------------------

.mmregs;

54X存储器影射寄存器定义

.global_main;

声明_main为全局符号

SWWCR.set0x002B;

设置"

SWWCR"

寄存器的地址

---------------------------------------------------

******************主函数*******************

_main:

nop

-----------------------------------------------------

----------------------初始化CPU---------------------

ssbxINTM;

INTM=1，禁止所有可屏蔽中断

ld#0,DP;

设置数据页指针DP=0

stm#0,CLKMD;

切换CPU内部PLL到分频模式

-------------------------------------------------------------------

CLKMDDEFINITIONS:

PLLMUL（bit15-12）-0000PLLmultiplier=0（multby1）

PLLDIV（bit11）-0PLLdivider=0（divby1）

PLLCOUNT（bit10-3）-11111111PLLcountersettomax

PLLONOFF（bit2）-1PLLon

PLLNDIV（bit1）-1SelectPLLmode

PLLSTATUS（bit1）-xPLLStatus（readonly）

------------------

0000011111111111=0x07ffCLKMD=1XCLKIN

--------------------------------------------------------------------

Statu1:

ldmCLKMD,A

and#01b,A

bcStatu1,ANEQ;

检查是否已经切换到分频模式？

stm#0x07ff,CLKMD;

设置DSP时钟10MHZ

--------------------------------------------------------------------

stm#0x3FF2,PMST

PMSTDEFINITIONS

IPTR（bit15-7）-001111111Run-timeInterruptvectorlocation=0x3f80（fornow）

MP/~MC（bit6）-1TurnoffinternalInstructionROM（useRAM）

OVLY（bit5）-1TurnoninternalRAM

AVIS（bit4）-1Addressvisibilityon

DROM（bit3）-0DataROMofFF00~FFFFisexternal

CLKOFF（bit2）-0Clockoutenabled,onlyforuseclkout=cpuclock

SMUL（bit1）-1SaturatebeforemultiplyonMAC

SST（bit0）-0Donotsaturatebeforestore

-----------------

0011111111110010=0x3ff2

*---------------------------------------------------------------------*/

stm#0x7FFF,SWWSR

---------------------------------------------------------------------

SWWSRDEFINITIONS

XPA（bit15）-0Extendedprogramaddresscontrolbit.XPAisusedinconjunctionwiththeprogramspacefields

（bits0through5）toselecttheaddressrangeforprogramspacewaitstates

I/O（bits14-12）-111settomaxwaitstatesforseven

Data1（bits11-9）-111SevenWaitstateforUpperdataspace（0x8000-0xFFFF）

Data2（bits8-6）-111SevenWaitstatesforLowerdataspace（0x0000-0x7FFF）

Prog1（bits5-3）-111SevenWaitstateforUpperprogramspace.（xx8000-xxFFFF）

Prog2（bits2-0）-111SevenWaitstatesforProgramspace.（xx0000-xx7FFF）

1111111111111111-0x7fff

*--------------------------------------------------------------------*/

stm#0x0001,SWWCR

--------------------------------------------------------------------

SWCRDEFINITIONS

Reserved（bits15-1）

SWSM（bit0）-1wait-statebasevaluesaremulitpliedby2

foramaximumof14waitstates.

--------------------------

0000000000000001

stm#0xF800,BSCR

BSCRDEFINITIONS

BNKCMP（bit15-12）-1111Bankcompare.Determinestheexternalmemory-banksize.BNKCMPisusedtomaskthefourMSBsof

anaddress.

11114k

11108k

110016k

100032k

000064k

PS-DS（bit11）-1Oneextracycleisinsertedbetweenconsecutivedataandprogramreads.

Reserved（bits10-3）-00000000

HBH（bit2）-0Thehpibusholderisdisabled

BH（bit1）-0Thedatabusholderisdisabled

EXIO（bit0）-0Theexternalbusinterfacefunctionsasusual

------------------------------------

1111100000000000

stm#0x0000,IMR;

禁止所有可屏蔽中断

IMRDEFINITIONS

Writinga1toanyIMRbitpositionenablesthecorrespondinginterrupt（whenINTM=0）

Reserved（bits15-14）-xx

DMAC5（bit13）-0DMAchannel5interruptmaskbit

DMAC4（bit12）-0DMAchannel4interruptmaskbit

BXINT1/DMAC3（bit11）-0McBSP1transmitinterruptmaskbit,ortheDMAchannel3

BRINT1/DMAC2（bit10）-0McBSP1receiveinterruptmaskbit,ortheDMAchannel2

HPINT（bit9）-0Hostto’54xinterrup/mask

INT3（bit8）-0Externalinterrupt3mask

TINT1/DMAC1（bit7）-0timer1interruptmaskbit,ortheDMAchannel1interruptmaskbit

DMAC0（bit6）-0reserved,ortheDMAchannel0interruptmaskbit

BXINT0（bit5）-0McBSP0transmitinterruptmaskbit

BRINT0（bit4）-0McBSP0receiveinterruptmaskbit

TINT0（bit3）-0Timer0interruptmaskbit

INT2（bit2）-0Externalinterrupt2maskbit

INT1（bit1）-0Externalinterrupt1maskbit

INT0（bit0）-0Externalinterrupt0maskbit

------------------------------

0000000000000000

stm#0xFFFF,IFR;

清除中断标志

IFRDEFINITIONS

Writinga1toanyIFRbitpositionclearthecorrespondinginterruptmask,whencorrespondinginterruptoccurIFRcorrespondingbit=1

DMAC5（bit13）-1DMAchannel5interruptflagbit

DMAC4（bit12）-1DMAchannel4interruptflagbit

BXINT1/DMAC3（bit11）-1McBSP1transmitinterruptflagbit,ortheDMAchannel3

BRINT1/DMAC2（bit10）-1McBSP1receiveinterruptflagbit,ortheDMAchannel2

HPINT（bit9）-1Hostto’54xinterrutpflak

INT3（bit8）-1Externalinterrupt3flag

TINT1/DMAC1（bit7）-1timer1interruptflagbit,ortheDMAchannel1interruptmaskbit

DMAC0（bit6）-1reserved,ortheDMAchannel0interruptflagbit

BXINT0（bit5）-1McBSP0transmitinterruptflagbit

BRINT0（bit4）-1McBSP0receiveinterruptflagbit

TINT0（bit3）-1Timer0interruptflagbit

INT2（bit2）-1Externalinterrupt2flagbit

INT1（bit1）-1Externalinterrupt1flagbit

INT0（bit0）-1Externalinterrupt0flagbit

1111111111111111

stm#0x2000,SP;

设置堆栈指针SP=2000，栈底

*--------------------------------------------------------------*/

--------------C