exio.h

这也是基于博创公司ARM3000平台设计的综合实验源代码－计算器

//////////////////////////AD control bit /////////////////////
#define ADCCON_FLAG		0x40
#define ADCCON_SLEEP		0x20

#define ADCCON_ADIN0		(0x0<<2)
#define ADCCON_ADIN1		(0x1<<2)
#define ADCCON_ADIN2		(0x2<<2)
#define ADCCON_ADIN3		(0x3<<2)
#define ADCCON_ADIN4		(0x4<<2)
#define ADCCON_ADIN5		(0x5<<2)
#define ADCCON_ADIN6		(0x6<<2)
#define ADCCON_ADIN7		(0x7<<2)

#define ADCCON_READ_START	0x2
#define ADCCON_ENABLE_START	0x1

//////////////////////Extra IO information/////////////////
  //8255 is on bank 4
#define EXIO_8255B_PORTA		(*(volatile unsigned short int*)0x08010000)
#define EXIO_8255B_PORTB		(*(volatile unsigned short int*)0x08010002)
#define EXIO_8255B_PORTC		(*(volatile unsigned short int*)0x08010004)
#define EXIO_8255B_CTRL			(*(volatile unsigned short int*)0x08010006)

#define EXIO_8255A_PORTA		(*(volatile unsigned short int*)0x08008000)
#define EXIO_8255A_PORTB		(*(volatile unsigned short int*)0x08008002)
#define EXIO_8255A_PORTC		(*(volatile unsigned short int*)0x08008004)
#define EXIO_8255A_CTRL			(*(volatile unsigned short int*)0x08008006)

////////////////////////////////////////////////////////

void init_ADdevice();
int GetADresult(int channel);

void testExIO();