DPS实验三实验报告.doc

dsp 1vc5509a 2vc5509a 3vc5509a 4c icetek-vc5509-a icetek +icetekCvc5509-a + 1spru595b.pdftms320vc5509a 20 gp* - 16 tim- 16 prd- 16 tcr- 16 pscr* pscr :15 10 9 6 5 4 3 0reserved psc reserved tddrpsc: 4 ,tim 20 .tddr: (psc )tcr spru595b.pdf2spru595b.pdfcpu ier ifr 1 tint 3- vc5509a 0 ipvd ipvh - intr_init()ipvd ipvh 0x0d0 icetekCvc5509-ae.cmd vect o=0x0d000- 8 cpu - 53.1 3.1 c vector.asm c dsp c 122debugreset cpu4projectopenc:icetekvc5509aevc5509aelab0303-timer timer.pjtmain.cmain.c icetekCvc5509-ae.cmdvector.asm 567timer_init()*prd0 = 0x0ffff =0x0fff ;56 #include myapp.h/ #define lbds (*(unsigned int *)0x400001)void intr_init( void );void timer_init(void);int ncount;main()ncount=0;pll_init(40);sdram_init();lbds=0;intr_init();timer_init();while ( 1 )void interrupt timer()ncount+; ncount%=16;if ( ncount=0 )lbds=1;void intr_init( void )ivpd=0xd0;ivph=0xd0;ier0=0x10;dbier0 =0x10;ifr0=0xffff;asm( bclr intm);void timer_init(void)ioport unsigned int *tim0;ioport unsigned int *prd0;ioport unsigned int *tcr0;ioport unsigned int *prsc0;tim0 = (unsigned int *)0x1000;prd0 = (unsigned int *)0x1001;tcr0 = (unsigned int *)0x1002;prsc0 = (unsigned int *)0x1003;* tcr0 = 0x04f0;* tim0 = 0;* prd0 = 0x0ffff;* prsc0 = 2;* tcr0 = 0x00e0;- - dsp a/d - 1vc5509a 2c icetek-vc5509-a icetek +icetekCvc5509-a + 1dsp (isr)tms320c55(c55x) dsp 32 isrc55x dsp - - - ti sprs295d.pdf 3.11tms320c5509 int0-int4 2icetek-ctr /icetek-ctr p8 dsp int2 dsp 2 2 3( int2) c ()xint interrupt vector.asm .vectors_xintc xint(int2) memory sections .vectors 1 ps2 icetek-ctr p8 icetek-ctr 2debugreset cpu4c:icetekvc5509aes60vc5509aelab0304-xintv60xint.pjt main.c icetekCvc5509-ae.cmdvector.asm 56icetek-ctr 7debughaltxint (debugrun)#include myapp.h#include icetek-vc5509-edu.h#include scancode.hvoid initmcbsp();void intr_init( void );void time_init(void);int ncount;main()ncount=0;ncount=*(int *)0x10000;asm( nop );pll_init(20);sdram_init();intr_init();initmcbsp();initctr();ctrlr=0xc8; / io/ctrclkey=0;while ( 1 )void initmcbsp()/ iopin: mcbsp1.fsx s15/spcr2.xrst_=0,pcr.xioen=1,pcr.fsxm=1,pcr.fsxp=0/1spcr2_1&=0x0fffe;pcr1|=0x2800;void interrupt xint()ncount+; ncount%=2;if ( ncount=