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帮我看下这个代码哪里设置错了吗，我现在寄存器里drr1,drr2都为0xffff最大值，不变化了

2014-12-18 分类：C2000™ 32位实时 MCU 阅读(262) 
void initmcbsp()
{

//*************** RESET MCBSP
	McbspaRegs.SPCR2.bit.GRST =0;
	McbspaRegs.SPCR2.bit.FRST=0;
	McbspaRegs.SPCR1.bit.RRST=0;
	McbspaRegs.SPCR2.all=0x0000;		// Reset FS generator, sample rate generator & transmitter
	McbspaRegs.SPCR1.all=0x0000;		// Reset Receiver, Right justify word
	McbspaRegs.SPCR1.bit.DLB = 0; 
	McbspaRegs.SPCR1.bit.RRDY=0;
	McbspaRegs.PCR.bit.FSRM=10;
	McbspaRegs.MFFINT.all=0x0;				//// Disable all interrupts
	McbspaRegs.RCR2.all=0x0000;			// Single-phase frame, 1 word/frame, No companding	(Receive)McbspaRegs.RCR1.all=0x0000;
//*************** Initialize McBSP Registers
// McBSP register settings for Digital loop backMcbspaRegs.RCR2.all=0x0001;  // RDATDLY = 1McbspaRegs.RCR1.all=0x0;McbspaRegs.XCR2.all=0x0001;  // XDATDLY = 1McbspaRegs.XCR1.all=0x0;McbspaRegs.SRGR2.all=0x3140;McbspaRegs.SRGR1.all=0x010f;McbspaRegs.MCR2.all=0x0;McbspaRegs.MCR1.all=0x0;McbspaRegs.PCR.all=0x0A00;McbspaRegs.MFFINT.bit.XINT = 0; // Enable Transmit InterruptsMcbspaRegs.MFFINT.bit.RINT = 1;
	McbspaRegs.RCR1.all=0x0000;
	McbspaRegs.RCR2.all=0x0000;
	McbspaRegs.SRGR1.all=0x0000;
	McbspaRegs.SRGR2.all=0x0000;
	McbspaRegs.PCR.all=0x0000;
	//开始设置mcbsp//
	//设置mcbsp时钟生成器，并通过硬件仿真进行观察//
	//停止模式设置成0//
	//lspclk=4,clkgdv=63使得CLKG=314khz//
	McbspaRegs.SPCR1.bit.CLKSTP=00;
	McbspaRegs.PCR.bit.SCLKME=0;
	McbspaRegs.SRGR2.bit.CLKSM=1;
	McbspaRegs.SRGR1.bit.CLKGDV=3;
	McbspaRegs.SPCR1.bit.DLB=0;
	McbspaRegs.SPCR1.bit.RJUST=01;
	McbspaRegs.SPCR1.bit.RINTM=01;
	McbspaRegs.PCR.bit.CLKRM=1;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.SRGR2.bit.FPER=63;
	McbspaRegs.SRGR2.bit.GSYNC=0;
	McbspaRegs.PCR.bit.FSRM=1;
	McbspaRegs.SRGR1.bit.FWID=31;
	//////////////////////////////
	/////////////////////////////
	/////////////////////////////
	McbspaRegs.RCR1.bit.RFRLEN1=0;
	McbspaRegs.RCR2.bit.RFRLEN2=0;
	McbspaRegs.RCR1.bit.RWDLEN1=101;
	McbspaRegs.RCR2.bit.RWDLEN2=101;
	McbspaRegs.RCR2.bit.RPHASE=1;
	McbspaRegs.RCR2.bit.RDATDLY=1;
	McbspaRegs.RCR2.bit.RFIG=1;
	McbspaRegs.RCR2.bit.RCOMPAND=00;
	McbspaRegs.PCR.bit.FSRP=1;
	McbspaRegs.PCR.bit.CLKRP=0;
	McbspaRegs.MCR1.bit.RMCME=0;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.MFFINT.bit.RINT=1;
	
	McbspaRegs.SPCR1.bit.RRST=1;
	McbspaRegs.SPCR2.bit.GRST=1;
	McbspaRegs.SPCR2.bit.FRST=1;

//************* Enable Sample rate generator

asm (" NOP ");// Wait at least 2 SRG clock cycles
asm (" NOP ");  
asm (" NOP ");
asm (" NOP ");// Wait at least 2 SRG clock cycles
	asm (" NOP ");EDIS;

mangui zhang：

建议你在程序跑起来之后用示波器看看相关时钟引脚上的信号 

 

void initmcbsp()
{

//*************** RESET MCBSP
	McbspaRegs.SPCR2.bit.GRST =0;
	McbspaRegs.SPCR2.bit.FRST=0;
	McbspaRegs.SPCR1.bit.RRST=0;
	McbspaRegs.SPCR2.all=0x0000;		// Reset FS generator, sample rate generator & transmitter
	McbspaRegs.SPCR1.all=0x0000;		// Reset Receiver, Right justify word
	McbspaRegs.SPCR1.bit.DLB = 0; 
	McbspaRegs.SPCR1.bit.RRDY=0;
	McbspaRegs.PCR.bit.FSRM=10;
	McbspaRegs.MFFINT.all=0x0;				//// Disable all interrupts
	McbspaRegs.RCR2.all=0x0000;			// Single-phase frame, 1 word/frame, No companding	(Receive)McbspaRegs.RCR1.all=0x0000;
//*************** Initialize McBSP Registers
// McBSP register settings for Digital loop backMcbspaRegs.RCR2.all=0x0001;  // RDATDLY = 1McbspaRegs.RCR1.all=0x0;McbspaRegs.XCR2.all=0x0001;  // XDATDLY = 1McbspaRegs.XCR1.all=0x0;McbspaRegs.SRGR2.all=0x3140;McbspaRegs.SRGR1.all=0x010f;McbspaRegs.MCR2.all=0x0;McbspaRegs.MCR1.all=0x0;McbspaRegs.PCR.all=0x0A00;McbspaRegs.MFFINT.bit.XINT = 0; // Enable Transmit InterruptsMcbspaRegs.MFFINT.bit.RINT = 1;
	McbspaRegs.RCR1.all=0x0000;
	McbspaRegs.RCR2.all=0x0000;
	McbspaRegs.SRGR1.all=0x0000;
	McbspaRegs.SRGR2.all=0x0000;
	McbspaRegs.PCR.all=0x0000;
	//开始设置mcbsp//
	//设置mcbsp时钟生成器，并通过硬件仿真进行观察//
	//停止模式设置成0//
	//lspclk=4,clkgdv=63使得CLKG=314khz//
	McbspaRegs.SPCR1.bit.CLKSTP=00;
	McbspaRegs.PCR.bit.SCLKME=0;
	McbspaRegs.SRGR2.bit.CLKSM=1;
	McbspaRegs.SRGR1.bit.CLKGDV=3;
	McbspaRegs.SPCR1.bit.DLB=0;
	McbspaRegs.SPCR1.bit.RJUST=01;
	McbspaRegs.SPCR1.bit.RINTM=01;
	McbspaRegs.PCR.bit.CLKRM=1;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.SRGR2.bit.FPER=63;
	McbspaRegs.SRGR2.bit.GSYNC=0;
	McbspaRegs.PCR.bit.FSRM=1;
	McbspaRegs.SRGR1.bit.FWID=31;
	//////////////////////////////
	/////////////////////////////
	/////////////////////////////
	McbspaRegs.RCR1.bit.RFRLEN1=0;
	McbspaRegs.RCR2.bit.RFRLEN2=0;
	McbspaRegs.RCR1.bit.RWDLEN1=101;
	McbspaRegs.RCR2.bit.RWDLEN2=101;
	McbspaRegs.RCR2.bit.RPHASE=1;
	McbspaRegs.RCR2.bit.RDATDLY=1;
	McbspaRegs.RCR2.bit.RFIG=1;
	McbspaRegs.RCR2.bit.RCOMPAND=00;
	McbspaRegs.PCR.bit.FSRP=1;
	McbspaRegs.PCR.bit.CLKRP=0;
	McbspaRegs.MCR1.bit.RMCME=0;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.MFFINT.bit.RINT=1;
	
	McbspaRegs.SPCR1.bit.RRST=1;
	McbspaRegs.SPCR2.bit.GRST=1;
	McbspaRegs.SPCR2.bit.FRST=1;

//************* Enable Sample rate generator

asm (" NOP ");// Wait at least 2 SRG clock cycles
asm (" NOP ");  
asm (" NOP ");
asm (" NOP ");// Wait at least 2 SRG clock cycles
	asm (" NOP ");EDIS;

aaron song：

回复 mangui zhang:

你好，请问具体怎么观察

 

void initmcbsp()
{

//*************** RESET MCBSP
	McbspaRegs.SPCR2.bit.GRST =0;
	McbspaRegs.SPCR2.bit.FRST=0;
	McbspaRegs.SPCR1.bit.RRST=0;
	McbspaRegs.SPCR2.all=0x0000;		// Reset FS generator, sample rate generator & transmitter
	McbspaRegs.SPCR1.all=0x0000;		// Reset Receiver, Right justify word
	McbspaRegs.SPCR1.bit.DLB = 0; 
	McbspaRegs.SPCR1.bit.RRDY=0;
	McbspaRegs.PCR.bit.FSRM=10;
	McbspaRegs.MFFINT.all=0x0;				//// Disable all interrupts
	McbspaRegs.RCR2.all=0x0000;			// Single-phase frame, 1 word/frame, No companding	(Receive)McbspaRegs.RCR1.all=0x0000;
//*************** Initialize McBSP Registers
// McBSP register settings for Digital loop backMcbspaRegs.RCR2.all=0x0001;  // RDATDLY = 1McbspaRegs.RCR1.all=0x0;McbspaRegs.XCR2.all=0x0001;  // XDATDLY = 1McbspaRegs.XCR1.all=0x0;McbspaRegs.SRGR2.all=0x3140;McbspaRegs.SRGR1.all=0x010f;McbspaRegs.MCR2.all=0x0;McbspaRegs.MCR1.all=0x0;McbspaRegs.PCR.all=0x0A00;McbspaRegs.MFFINT.bit.XINT = 0; // Enable Transmit InterruptsMcbspaRegs.MFFINT.bit.RINT = 1;
	McbspaRegs.RCR1.all=0x0000;
	McbspaRegs.RCR2.all=0x0000;
	McbspaRegs.SRGR1.all=0x0000;
	McbspaRegs.SRGR2.all=0x0000;
	McbspaRegs.PCR.all=0x0000;
	//开始设置mcbsp//
	//设置mcbsp时钟生成器，并通过硬件仿真进行观察//
	//停止模式设置成0//
	//lspclk=4,clkgdv=63使得CLKG=314khz//
	McbspaRegs.SPCR1.bit.CLKSTP=00;
	McbspaRegs.PCR.bit.SCLKME=0;
	McbspaRegs.SRGR2.bit.CLKSM=1;
	McbspaRegs.SRGR1.bit.CLKGDV=3;
	McbspaRegs.SPCR1.bit.DLB=0;
	McbspaRegs.SPCR1.bit.RJUST=01;
	McbspaRegs.SPCR1.bit.RINTM=01;
	McbspaRegs.PCR.bit.CLKRM=1;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.SRGR2.bit.FPER=63;
	McbspaRegs.SRGR2.bit.GSYNC=0;
	McbspaRegs.PCR.bit.FSRM=1;
	McbspaRegs.SRGR1.bit.FWID=31;
	//////////////////////////////
	/////////////////////////////
	/////////////////////////////
	McbspaRegs.RCR1.bit.RFRLEN1=0;
	McbspaRegs.RCR2.bit.RFRLEN2=0;
	McbspaRegs.RCR1.bit.RWDLEN1=101;
	McbspaRegs.RCR2.bit.RWDLEN2=101;
	McbspaRegs.RCR2.bit.RPHASE=1;
	McbspaRegs.RCR2.bit.RDATDLY=1;
	McbspaRegs.RCR2.bit.RFIG=1;
	McbspaRegs.RCR2.bit.RCOMPAND=00;
	McbspaRegs.PCR.bit.FSRP=1;
	McbspaRegs.PCR.bit.CLKRP=0;
	McbspaRegs.MCR1.bit.RMCME=0;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.MFFINT.bit.RINT=1;
	
	McbspaRegs.SPCR1.bit.RRST=1;
	McbspaRegs.SPCR2.bit.GRST=1;
	McbspaRegs.SPCR2.bit.FRST=1;

//************* Enable Sample rate generator

asm (" NOP ");// Wait at least 2 SRG clock cycles
asm (" NOP ");  
asm (" NOP ");
asm (" NOP ");// Wait at least 2 SRG clock cycles
	asm (" NOP ");EDIS;

aaron song：

回复 mangui zhang:

响应时钟信号正常 就是独到的drr1 drr2是0xffff

void initmcbsp()
{

//*************** RESET MCBSP
	McbspaRegs.SPCR2.bit.GRST =0;
	McbspaRegs.SPCR2.bit.FRST=0;
	McbspaRegs.SPCR1.bit.RRST=0;
	McbspaRegs.SPCR2.all=0x0000;		// Reset FS generator, sample rate generator & transmitter
	McbspaRegs.SPCR1.all=0x0000;		// Reset Receiver, Right justify word
	McbspaRegs.SPCR1.bit.DLB = 0; 
	McbspaRegs.SPCR1.bit.RRDY=0;
	McbspaRegs.PCR.bit.FSRM=10;
	McbspaRegs.MFFINT.all=0x0;				//// Disable all interrupts
	McbspaRegs.RCR2.all=0x0000;			// Single-phase frame, 1 word/frame, No companding	(Receive)McbspaRegs.RCR1.all=0x0000;
//*************** Initialize McBSP Registers
// McBSP register settings for Digital loop backMcbspaRegs.RCR2.all=0x0001;  // RDATDLY = 1McbspaRegs.RCR1.all=0x0;McbspaRegs.XCR2.all=0x0001;  // XDATDLY = 1McbspaRegs.XCR1.all=0x0;McbspaRegs.SRGR2.all=0x3140;McbspaRegs.SRGR1.all=0x010f;McbspaRegs.MCR2.all=0x0;McbspaRegs.MCR1.all=0x0;McbspaRegs.PCR.all=0x0A00;McbspaRegs.MFFINT.bit.XINT = 0; // Enable Transmit InterruptsMcbspaRegs.MFFINT.bit.RINT = 1;
	McbspaRegs.RCR1.all=0x0000;
	McbspaRegs.RCR2.all=0x0000;
	McbspaRegs.SRGR1.all=0x0000;
	McbspaRegs.SRGR2.all=0x0000;
	McbspaRegs.PCR.all=0x0000;
	//开始设置mcbsp//
	//设置mcbsp时钟生成器，并通过硬件仿真进行观察//
	//停止模式设置成0//
	//lspclk=4,clkgdv=63使得CLKG=314khz//
	McbspaRegs.SPCR1.bit.CLKSTP=00;
	McbspaRegs.PCR.bit.SCLKME=0;
	McbspaRegs.SRGR2.bit.CLKSM=1;
	McbspaRegs.SRGR1.bit.CLKGDV=3;
	McbspaRegs.SPCR1.bit.DLB=0;
	McbspaRegs.SPCR1.bit.RJUST=01;
	McbspaRegs.SPCR1.bit.RINTM=01;
	McbspaRegs.PCR.bit.CLKRM=1;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.SRGR2.bit.FPER=63;
	McbspaRegs.SRGR2.bit.GSYNC=0;
	McbspaRegs.PCR.bit.FSRM=1;
	McbspaRegs.SRGR1.bit.FWID=31;
	//////////////////////////////
	/////////////////////////////
	/////////////////////////////
	McbspaRegs.RCR1.bit.RFRLEN1=0;
	McbspaRegs.RCR2.bit.RFRLEN2=0;
	McbspaRegs.RCR1.bit.RWDLEN1=101;
	McbspaRegs.RCR2.bit.RWDLEN2=101;
	McbspaRegs.RCR2.bit.RPHASE=1;
	McbspaRegs.RCR2.bit.RDATDLY=1;
	McbspaRegs.RCR2.bit.RFIG=1;
	McbspaRegs.RCR2.bit.RCOMPAND=00;
	McbspaRegs.PCR.bit.FSRP=1;
	McbspaRegs.PCR.bit.CLKRP=0;
	McbspaRegs.MCR1.bit.RMCME=0;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.MFFINT.bit.RINT=1;
	
	McbspaRegs.SPCR1.bit.RRST=1;
	McbspaRegs.SPCR2.bit.GRST=1;
	McbspaRegs.SPCR2.bit.FRST=1;

//************* Enable Sample rate generator

asm (" NOP ");// Wait at least 2 SRG clock cycles
asm (" NOP ");  
asm (" NOP ");
asm (" NOP ");// Wait at least 2 SRG clock cycles
	asm (" NOP ");EDIS;

aaron song：

回复 aaron song:

这是我的时序图，看着挺正常的啊！

void initmcbsp()
{

//*************** RESET MCBSP
	McbspaRegs.SPCR2.bit.GRST =0;
	McbspaRegs.SPCR2.bit.FRST=0;
	McbspaRegs.SPCR1.bit.RRST=0;
	McbspaRegs.SPCR2.all=0x0000;		// Reset FS generator, sample rate generator & transmitter
	McbspaRegs.SPCR1.all=0x0000;		// Reset Receiver, Right justify word
	McbspaRegs.SPCR1.bit.DLB = 0; 
	McbspaRegs.SPCR1.bit.RRDY=0;
	McbspaRegs.PCR.bit.FSRM=10;
	McbspaRegs.MFFINT.all=0x0;				//// Disable all interrupts
	McbspaRegs.RCR2.all=0x0000;			// Single-phase frame, 1 word/frame, No companding	(Receive)McbspaRegs.RCR1.all=0x0000;
//*************** Initialize McBSP Registers
// McBSP register settings for Digital loop backMcbspaRegs.RCR2.all=0x0001;  // RDATDLY = 1McbspaRegs.RCR1.all=0x0;McbspaRegs.XCR2.all=0x0001;  // XDATDLY = 1McbspaRegs.XCR1.all=0x0;McbspaRegs.SRGR2.all=0x3140;McbspaRegs.SRGR1.all=0x010f;McbspaRegs.MCR2.all=0x0;McbspaRegs.MCR1.all=0x0;McbspaRegs.PCR.all=0x0A00;McbspaRegs.MFFINT.bit.XINT = 0; // Enable Transmit InterruptsMcbspaRegs.MFFINT.bit.RINT = 1;
	McbspaRegs.RCR1.all=0x0000;
	McbspaRegs.RCR2.all=0x0000;
	McbspaRegs.SRGR1.all=0x0000;
	McbspaRegs.SRGR2.all=0x0000;
	McbspaRegs.PCR.all=0x0000;
	//开始设置mcbsp//
	//设置mcbsp时钟生成器，并通过硬件仿真进行观察//
	//停止模式设置成0//
	//lspclk=4,clkgdv=63使得CLKG=314khz//
	McbspaRegs.SPCR1.bit.CLKSTP=00;
	McbspaRegs.PCR.bit.SCLKME=0;
	McbspaRegs.SRGR2.bit.CLKSM=1;
	McbspaRegs.SRGR1.bit.CLKGDV=3;
	McbspaRegs.SPCR1.bit.DLB=0;
	McbspaRegs.SPCR1.bit.RJUST=01;
	McbspaRegs.SPCR1.bit.RINTM=01;
	McbspaRegs.PCR.bit.CLKRM=1;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.SRGR2.bit.FPER=63;
	McbspaRegs.SRGR2.bit.GSYNC=0;
	McbspaRegs.PCR.bit.FSRM=1;
	McbspaRegs.SRGR1.bit.FWID=31;
	//////////////////////////////
	/////////////////////////////
	/////////////////////////////
	McbspaRegs.RCR1.bit.RFRLEN1=0;
	McbspaRegs.RCR2.bit.RFRLEN2=0;
	McbspaRegs.RCR1.bit.RWDLEN1=101;
	McbspaRegs.RCR2.bit.RWDLEN2=101;
	McbspaRegs.RCR2.bit.RPHASE=1;
	McbspaRegs.RCR2.bit.RDATDLY=1;
	McbspaRegs.RCR2.bit.RFIG=1;
	McbspaRegs.RCR2.bit.RCOMPAND=00;
	McbspaRegs.PCR.bit.FSRP=1;
	McbspaRegs.PCR.bit.CLKRP=0;
	McbspaRegs.MCR1.bit.RMCME=0;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.MFFINT.bit.RINT=1;
	
	McbspaRegs.SPCR1.bit.RRST=1;
	McbspaRegs.SPCR2.bit.GRST=1;
	McbspaRegs.SPCR2.bit.FRST=1;

//************* Enable Sample rate generator

asm (" NOP ");// Wait at least 2 SRG clock cycles
asm (" NOP ");  
asm (" NOP ");
asm (" NOP ");// Wait at least 2 SRG clock cycles
	asm (" NOP ");EDIS;

aaron song：

回复 aaron song:

顶！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！

void initmcbsp()
{

//*************** RESET MCBSP
	McbspaRegs.SPCR2.bit.GRST =0;
	McbspaRegs.SPCR2.bit.FRST=0;
	McbspaRegs.SPCR1.bit.RRST=0;
	McbspaRegs.SPCR2.all=0x0000;		// Reset FS generator, sample rate generator & transmitter
	McbspaRegs.SPCR1.all=0x0000;		// Reset Receiver, Right justify word
	McbspaRegs.SPCR1.bit.DLB = 0; 
	McbspaRegs.SPCR1.bit.RRDY=0;
	McbspaRegs.PCR.bit.FSRM=10;
	McbspaRegs.MFFINT.all=0x0;				//// Disable all interrupts
	McbspaRegs.RCR2.all=0x0000;			// Single-phase frame, 1 word/frame, No companding	(Receive)McbspaRegs.RCR1.all=0x0000;
//*************** Initialize McBSP Registers
// McBSP register settings for Digital loop backMcbspaRegs.RCR2.all=0x0001;  // RDATDLY = 1McbspaRegs.RCR1.all=0x0;McbspaRegs.XCR2.all=0x0001;  // XDATDLY = 1McbspaRegs.XCR1.all=0x0;McbspaRegs.SRGR2.all=0x3140;McbspaRegs.SRGR1.all=0x010f;McbspaRegs.MCR2.all=0x0;McbspaRegs.MCR1.all=0x0;McbspaRegs.PCR.all=0x0A00;McbspaRegs.MFFINT.bit.XINT = 0; // Enable Transmit InterruptsMcbspaRegs.MFFINT.bit.RINT = 1;
	McbspaRegs.RCR1.all=0x0000;
	McbspaRegs.RCR2.all=0x0000;
	McbspaRegs.SRGR1.all=0x0000;
	McbspaRegs.SRGR2.all=0x0000;
	McbspaRegs.PCR.all=0x0000;
	//开始设置mcbsp//
	//设置mcbsp时钟生成器，并通过硬件仿真进行观察//
	//停止模式设置成0//
	//lspclk=4,clkgdv=63使得CLKG=314khz//
	McbspaRegs.SPCR1.bit.CLKSTP=00;
	McbspaRegs.PCR.bit.SCLKME=0;
	McbspaRegs.SRGR2.bit.CLKSM=1;
	McbspaRegs.SRGR1.bit.CLKGDV=3;
	McbspaRegs.SPCR1.bit.DLB=0;
	McbspaRegs.SPCR1.bit.RJUST=01;
	McbspaRegs.SPCR1.bit.RINTM=01;
	McbspaRegs.PCR.bit.CLKRM=1;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.SRGR2.bit.FPER=63;
	McbspaRegs.SRGR2.bit.GSYNC=0;
	McbspaRegs.PCR.bit.FSRM=1;
	McbspaRegs.SRGR1.bit.FWID=31;
	//////////////////////////////
	/////////////////////////////
	/////////////////////////////
	McbspaRegs.RCR1.bit.RFRLEN1=0;
	McbspaRegs.RCR2.bit.RFRLEN2=0;
	McbspaRegs.RCR1.bit.RWDLEN1=101;
	McbspaRegs.RCR2.bit.RWDLEN2=101;
	McbspaRegs.RCR2.bit.RPHASE=1;
	McbspaRegs.RCR2.bit.RDATDLY=1;
	McbspaRegs.RCR2.bit.RFIG=1;
	McbspaRegs.RCR2.bit.RCOMPAND=00;
	McbspaRegs.PCR.bit.FSRP=1;
	McbspaRegs.PCR.bit.CLKRP=0;
	McbspaRegs.MCR1.bit.RMCME=0;
	McbspaRegs.MCR1.bit.RMCM=0;
	McbspaRegs.MFFINT.bit.RINT=1;
	
	McbspaRegs.SPCR1.bit.RRST=1;
	McbspaRegs.SPCR2.bit.GRST=1;
	McbspaRegs.SPCR2.bit.FRST=1;

//************* Enable Sample rate generator

asm (" NOP ");// Wait at least 2 SRG clock cycles
asm (" NOP ");  
asm (" NOP ");
asm (" NOP ");// Wait at least 2 SRG clock cycles
	asm (" NOP ");EDIS;

aaron song：

回复 aaron song:

就没售后来指导下？什么技术支持阿？？？

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未经允许不得转载：TI中文支持网 » 帮我看下这个代码哪里设置错了吗，我现在寄存器里drr1,drr2都为0xffff最大值，不变化了
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