footest.c

vxworks字符型驱动的模板

#include "vxWorks.h"
#include "stdio.h"
#include "stdlib.h"
#include "taskLib.h"
#include "ioLib.h"


#define MEM_READ(x,result) 	((result) = *(volatile UINT32 *)(x))
#define MEM_WRITE(x,data) 	(*((volatile UINT32 *)(x))) = (data)


int tidFooDrvTest;




STATUS FooDrvTest(void)
{

	int i;
	int fd, cmd = 0, args = 0;
	int result;

	int *data;
	int byteLen = 100;

	data= (int*)malloc(byteLen);

	if(data == NULL){
		printf("no enough memory !\n");
		return (ERROR);
	}


	fd = open ("/fpga", O_RDWR, 0);
	printf("open :%d\n",fd);

	result = ioctl(fd, cmd, args);
	printf("ioctl :%d\n",result);

	result = write(fd, data,byteLen);
	printf("write:%d\n", result);


	result = close(fd);
	printf("close:%d\n", result);


	free(data);

	return (OK);


}


STATUS foodt (void)
    {
	    tidFooDrvTest = taskSpawn ("tFooDrvTest", 200, 0, 512*1024,
 	       (FUNCPTR) FooDrvTest,0,0,0,0,0,0,0,0,0,0);

	    return (OK);
    }