cpuinit.c

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//-----------------------------------------------------------------------------
// cpu_init.c
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include <reg52.h>
#include "cpu/cpu.h"
#include "main/main.h"
#include "misc/general.h"
//-----------------------------------------------------------------------------
// CPU Initial Routine
//-----------------------------------------------------------------------------
void cpu_Initial (void)
{
	PCON = CLK_12T;
		#ifdef MCUC51_6T
		PCON |= CLK_6T;
		#endif
	AUXR = ALE_CLOSE;                    

    SCON = 0x50;                      // SCON0: mode 1, 8-bit UART, enable RX
    TMOD = 0x20;                      // TMOD: timer 1, mode 2, 8-bit reload
    TL1  = 0xFD;                      // -(SYSCLK/UART0BAUD/32/12T);
	TH1  = 0xFD;
	TR1  = 1;                         // start Timer 1

    TMOD |= 0x01;					  // TMOD: timer 0, mode 1, 16-bit       
    TH0 = MSBYTE( TIMER0_CLICK );     // set Timer0 overflow in 10ms
    TL0 = LSBYTE( TIMER0_CLICK );              
    ET0 = 1;                          // enable Timer0 interrupt
    TR0 = 1;                          // start Timer0		

	IT1 = 1;			              // extern interrupt 1 down edg trigger
	EX1 = 1;                          // enable extern interrupt 1

	EA  = 1;
}