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#ifndef COMMON_H
#define COMMON_H
#define RTF_COMMAND_NUM 0
#define RTF_COMMAND_DEV "/dev/rtf0"
#define RTF_STATUS_NUM 1
#define RTF_STATUS_DEV "/dev/rtf1"
#define RTF_SIZE 1024 /* how big the FIFOs are */
enum etype {SOUND_ON = 1, SOUND_OFF, SOUND_FREQ, SOUND_ONC};
typedef struct {
enum etype command;
int command_num; /* identifies command */
int freq; /* for SOUND_FREQ */
} COMMAND_STRUCT;
typedef struct {
int command_num_echo; /* acknowledge */
int freq; /* actual frequency */
int heartbeat; /* incremented each cycle */
enum etype command;
} STATUS_STRUCT;
#endif /* COMMON_H */
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