candrv.h

uClinux下can接口驱动程序

#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>       /* printk() */
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/proc_fs.h>  
#include <asm/uaccess.h>       /* access_ok() */



typedef struct CAN_Dev {
   unsigned char can_number;
   struct semaphore read_sem,write_sem;     /* Mutual exclusion */
} CAN_Dev;

/**  Global Variables **/
extern unsigned int hw_irq_stat[]; /* hardware irq handle statistic */
extern unsigned int sw_irq_stat[]; /* software irq handle statistic */
extern wait_queue_head_t can_wait_queue[]; /* processes sleeping on CAN RX queue */


/**  Global Functions **/
int  candrv_init(void);
void candrv_cleanup(void);

void init_proc_module(void);
void cleanup_proc_module(void);

void print_debug();
/********************************************************************************************************/

/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/