ad.h

来自「ARM7下用图形用户界面实现LED,KEY,MOTOR,AD功能」· C头文件 代码 · 共 28 行

#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/ioctl.h>
#include <pthread.h>
#include "hardware.h"

#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

float addata[4];

void init_ADdevice(void);
void* GetADresult(void *data);