init_dsp.h

dsp vc5509 的多通道SPI通信程序

void init_dsp(void)
{
 //clock
*(CLKMD)=0x6413;//25Mclock input,200M cpu clock 25*8/1M
//*ST1_55=0x0b40; //xf=0,cpl=1,intm=1,satd=sxmd=1,frct=1
//*ST2_55=0x1000; //rdm=1
*ST3_55=0x1004;

//interrupt
*IFR0=0xffff;//reset IFR
*IFR1=0xffff;
*IER0=0x00d0;//rint1 enable
*IER1=0x0000;

//timer set
*PRSC0=0x000e;//
*PRD0=0x0300;//
*TCR0=0x053c;
//*TCR0&=0xfbef;//start timer0

}