user_func.h

在C54X DSP下写的串口收发程序

//title:user_func.h
void	init_board(void)
{
	//初始化VC5402时钟为100MHZ
	*(volatile u16 *)CLKMD=0x0000;
	while(*(volatile u16 *)CLKMD & 0x0001) {};
	*(volatile u16 *)CLKMD=CLKMD_VAL;
	
	
	//初始化CPU寄存器
	*(volatile u16 *)PMST=PMST_VAL;
	*(volatile u16 *)SWWSR=SWWSR_VAL;
	*(volatile u16 *)SWCR=SWCR_VAL;
	*(volatile u16 *)BSCR=BSCR_VAL;
	
	
	
	
	//初始化MCBSP1寄存器
	*(volatile u16 *)SPSA_ADDR(1)=SPCR1_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_SPCR11;
	
	*(volatile u16 *)SPSA_ADDR(1)=SPCR2_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_SPCR21;
	
	*(volatile u16 *)SPSA_ADDR(1)=RCR1_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_RCR11;
	
	*(volatile u16 *)SPSA_ADDR(1)=RCR2_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_RCR21;
	
	*(volatile u16 *)SPSA_ADDR(1)=XCR1_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_XCR11;
	
	*(volatile u16 *)SPSA_ADDR(1)=XCR2_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_XCR21;
	
	*(volatile u16 *)SPSA_ADDR(1)=SRGR1_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_SRGR11;
	
	*(volatile u16 *)SPSA_ADDR(1)=SRGR2_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_SRGR21;
	
	*(volatile u16 *)SPSA_ADDR(1)=MCR1_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_MCR11;
	
	*(volatile u16 *)SPSA_ADDR(1)=MCR2_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_MCR21;
	
	*(volatile u16 *)SPSA_ADDR(1)=PCR_SUBADDR;
	*(volatile u16 *)SPSD_ADDR(1)=bsp_PCR1;
}