71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
#ifndef _DEVICE_H_
|
|
#define _DEVICE_H_
|
|
|
|
#define MAX_DEVICES 3
|
|
|
|
#define SAMPLE_ARRAY_SZ 1000
|
|
|
|
#include "utility.h"
|
|
#include "params.h"
|
|
|
|
typedef enum device_state_t
|
|
{
|
|
/** The counter has not yet been created or has been destroyed */
|
|
device_idle = 0,
|
|
/** The counter has not yet been started or has been stopped */
|
|
device_stopped,
|
|
/** The counter is counting */
|
|
device_running,
|
|
/** the counter has been paused */
|
|
device_paused
|
|
} DEVICE_STATE;
|
|
|
|
typedef struct device_t
|
|
{
|
|
char name[64];
|
|
DEVICE_STATE state;
|
|
/** time of this read */
|
|
struct timeval current_time;
|
|
/** time of last read */
|
|
struct timeval previous_time;
|
|
/** time of next sample closure */
|
|
struct timeval sample_timer;
|
|
/** time of next report generation */
|
|
struct timeval report_timer;
|
|
/** number of polls */
|
|
int poll_counter;
|
|
/** output value */
|
|
unsigned int out_value;
|
|
/** physical device value */
|
|
unsigned int value;
|
|
/** tentative new value */
|
|
unsigned int new_value;
|
|
/** debounce counter */
|
|
int new_count;
|
|
/** Control parameters */
|
|
PARAMETERS params;
|
|
struct device_private_t* private_data;
|
|
} DEVICE, *pDEVICE;
|
|
|
|
void make_report(DEVICE* device);
|
|
void device_sample(DEVICE* device);
|
|
void device_send(DEVICE* device, int n);
|
|
void device_read(DEVICE* device, int n);
|
|
void device_write(DEVICE* device, int n, const char *tp);
|
|
void device_print(DEVICE* device, FILE* fd);
|
|
void device_report(DEVICE* device);
|
|
int device_init(DEVICE** cpp, char* name);
|
|
int device_start(DEVICE* device);
|
|
int device_stop(DEVICE* device);
|
|
int device_pause(DEVICE* device);
|
|
int device_resume(DEVICE* device);
|
|
int device_command(void* device, const char* cmd);
|
|
int device_poll(DEVICE* device);
|
|
void device_term(DEVICE* device);
|
|
bool device_fatal(int error);
|
|
void device_errmsg(char* buff, int len);
|
|
double device_time_to_next_sample(DEVICE* device);
|
|
double device_time_to_next_report(DEVICE* device);
|
|
|
|
#endif
|