Advantech PCI-1718 Series Uživatelský manuál stáhnout pdf (Strana 51)

43 Chapter 4

/***** Set Pacer *****/

outportb(base_addr+0x0f,0x7E); //Pacer=1M/clk1/clk2

outportb(base_addr+0x0d,0x0A); //clk1

outportb(base_addr+0x0d,0x00); //10=0x0A ; 100=0x64 ;

1000=0x3E8

outportb(base_addr+0x0f,0xBE);

outportb(base_addr+0x0e,0x0A); //clk2

outportb(base_addr+0x0e,0x00);

/***** Pacer=1M/10/10=10k ******/

/***** Set ISR *****/

Add you code here

/********************/

/***** Set Interrupt *****/

Add you code here

/********************/

outportb(base_addr+8,0); //Clear Interrupt

outportb(base_addr+9,0xf3); //Set Pacer Trigger and Enable INT

/***** Ready for Data Acquisition *****/

while(i<AD_NO)

{

while(iflag==0) {;}//Wait for Interrupt

ad_lb=inportb(base_addr+0); //Get A/D LowByte

ad_hb=inprrtb(base_addr+1);//Get A/D HighByte

i++

}

/***** END *****/

}

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Advantech PCI-1718 Series Uživatelský manuál Strana 51