mycommon.inc

利用DSP控制LCD的程序实例代码

#include "MyC5402.h"
/*定义宏函数*/
#define DisableInt() {asm (" SSBX INTM" );}	/*调用汇编*/
#define EnableInt() {asm (" RSBX INTM" );}
typedef struct _Timer
{
	unsigned int _SOFT;
	unsigned int _FREE;
	unsigned int _PSC;
	unsigned int _TRB;
	unsigned int _TSS;
	unsigned int _TDDR;
	unsigned int _PRD;
} Timer;

/*自定义函数申明*/
void SetMMR(int mmr,unsigned int val);
void WriteAddress(int addr, int val);
int ReadAddress(int addr);
void Timer0Init(Timer m_Timer);

void Timer0Init(Timer m_Timer)
{
	unsigned int m_TCR=m_Timer._SOFT<<11|m_Timer._FREE<<10|m_Timer._PSC<<6|m_Timer._TRB<<5|m_Timer._TSS<<4|m_Timer._TDDR;
	SetMMR(SWWSR,0x0);
	SetMMR(TCR,0x10);
	SetMMR(PRD,m_Timer._PRD);
	SetMMR(TCR,m_TCR);
	SetMMR(IFR,0x0008);
	SetMMR(IMR,0x0008);
}

void SetMMR(int mmr,unsigned int val)
{
	int* MMR=(int*)mmr;
	*MMR=val;
}

void WriteAddress(int addr, int val)
{
	int *address=(int *)addr;
	*address=val;
}

int ReadAddress(int addr)
{
	int *address=(int *)addr;
	return *address;
}