systeminit.c

可编程彩色光频转换器TCS230在61单片机上的应用

#include "spce061a.h"
#include "MyBit.h"

void systeminit(void)
{
	*P_Watchdog_Clear=1;
	*P_SystemClock=C_Fosc_49M;
	
	SP_Init_IOA(0xffff,0xffff,0xffff);
	SP_Init_IOB(0xffff,0xffff,0xffff);
	B2_Dir=0;
	
	Reset12864();
	
	//*P_INT_Ctrl=C_IRQ3_EXT1|C_IRQ5_4Hz;
	*P_INT_Ctrl=C_IRQ3_EXT1|C_IRQ1_TMA;
	
	*P_TimerA_Ctrl=C_TMA1_FOSC_2|C_TMA2_1;
	*P_TimerA_Data=0;
	
	__asm("int fiq,irq");
}