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static int PingPong=PING; unsigned long int j=0; //用来记录进入中断的次数
//unsigned int xmtping[N]; //unsigned int xmtpong[N]; unsigned int rcvping[N]; unsigned int rcvpong[N];
//---------Global data definition--------- /*定义一个 计数器 */ unsigned long counter=0;
/*锁相环的设置*/ PLL_Config myConfig = { 0, //IAI: the PLL locks using the same process that was underway //before the idle mode was entered 1, //IOB: If the PLL indicates a break in the phase lock, //it switches to its bypass mode and restarts the PLL phase-locking //sequence 24, //PLL multiply value; multiply 24 times 1 //Divide by 2 PLL divide value; it can be either PLL divide value //(when PLL is enabled), or Bypass-mode divide value //(PLL in bypass mode, if PLL multiply value is set to 1) };
//---------Function prototypes--------- /* Reference start of interrupt vector table */ /* This symbol is defined in file, vectors.s55 */ extern void VECSTART(void);
/* By default, the TMS320C55xx compiler assigns all data symbols word */ /* addresses. The DMA however, expects all addresses to be byte */ /* addresses. Therefore, we must shift the address by 2 in order to */ /* change the word address to a byte address for the DMA transfer. */ srcAddrHi = (Uint16)(((Uint32)(MCBSP_ADDR(DRR11))) >> 15) & 0xFFFFu; srcAddrLo = (Uint16)(((Uint32)(MCBSP_ADDR(DRR11))) << 1) & 0xFFFFu; dstAddrHi = (Uint16)(((Uint32)(&rcvping)) >> 15) & 0xFFFFu; dstAddrLo = (Uint16)(((Uint32)(&rcvping)) << 1) & 0xFFFFu;
