netdaqdev.h.bak

at91rm9200双端口RAM驱动及测试程序

/*
 * define const and variable
 */
#define NCS3 0x40000000
#define DEV_NAME "NetSemDev"
#define MAJOR_NUM 102
#define IOCTL_SET_PARAM		_IOR(MAJOR_NUM, 0, char *)

#define PC13			0x1<<13
#define PC14			0x1<<14
#define PB27			0x1<<27

#define DSP_DO_FLAG		0x5A
#define GP_FLAG			0xAA		//
#define BC_FLAG			0x55		//

#define CH_NUM 			8
#define GP_SAM_LEN		1050		//每通道光谱采样数
#define BC_SAM_LEN		119		//每通道波长采样数
#define GP_BUF_LEN		(CH_NUM*GP_SAM_LEN*2)	//光谱数据缓存长度
#define BC_BUF_LEN		(CH_NUM*BC_SAM_LEN*2)	//波长数据缓存长度


volatile u16 *base_map;
volatile u16 *cur_pos = NULL;

u16 gp_buf[CH_NUM][GP_SAM_LEN];
u16 bc_buf[CH_NUM][BC_SAM_LEN];
u16 ch_num;
u16 cmd_flag;
AT91PS_SYS sys = (AT91PS_SYS)AT91C_VA_BASE_SYS;
DECLARE_WAIT_QUEUE_HEAD(daq_queue);

static int SemDev_open(struct inode *inode, struct file *filp);
static int SemDev_release(struct inode *inode, struct file *filp);
static ssize_t SemDev_read(struct file *filp, char *buf, size_t count, loff_t *f_pos);
static ssize_t SemDev_write(struct file *filp, const char *buf, size_t count, loff_t *f_pos);
static int SemDev_ioctl(struct inode *inode, struct file *filp, unsigned int ioctl_num, unsigned long ioctl_param);
static loff_t SemDev_llseek(struct file *filp,loff_t offset,int orig);

static struct file_operations SemDev_fops = {
	open:     SemDev_open,
	release:  SemDev_release,
	read:     SemDev_read,
	write:    SemDev_write,
	ioctl:	  SemDev_ioctl,
	llseek:	  SemDev_llseek,
};

void do_daq();
void do_task();
void TC_irq_handler(int irq, void *dev_id, struct pt_regs *regs);
void DAQ_irq_handler(int irq, void *dev_id, struct pt_regs *regs);


MODULE_LICENSE("GPL");
MODULE_AUTHOR("[e-mail]");
MODULE_DESCRIPTION("Driver for DAQ based on AT91RM9200 board");