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artiq/artiq/runtime/rtio.h

34 lines
964 B
C

#ifndef __RTIO_H
#define __RTIO_H
#include <stdarg.h>
#define RTIO_O_STATUS_FULL 1
#define RTIO_O_STATUS_UNDERFLOW 2
#define RTIO_O_STATUS_SEQUENCE_ERROR 4
#define RTIO_O_STATUS_COLLISION 8
#define RTIO_O_STATUS_BUSY 16
#define RTIO_I_STATUS_EMPTY 1
#define RTIO_I_STATUS_OVERFLOW 2
void rtio_init(void);
long long int rtio_get_counter(void);
void rtio_log(long long int timestamp, const char *format, ...);
void rtio_log_va(long long int timestamp, const char *format, va_list args);
void rtio_output(long long int timestamp, int channel, unsigned int address,
unsigned int data);
/*
* Waits at least until timeout and returns the timestamp of the first
* input event on the chanel, -1 if there was no event.
*/
long long int rtio_input_timestamp(long long int timeout, int channel);
/*
* Assumes that there is or will be an event in the channel and returns only
* its data.
*/
unsigned int rtio_input_data(int channel);
#endif /* __RTIO_H */