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artiq/soc/runtime/rtio.h

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2014-08-28 16:56:48 +08:00
#ifndef __RTIO_H
#define __RTIO_H
#include <generated/csr.h>
#include "artiq_personality.h"
#define RTIO_O_STATUS_FULL 1
#define RTIO_O_STATUS_UNDERFLOW 2
#define RTIO_O_STATUS_SEQUENCE_ERROR 4
#define RTIO_I_STATUS_EMPTY 1
#define RTIO_I_STATUS_OVERFLOW 2
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void rtio_init(void);
long long int rtio_get_counter(void);
static inline void rtio_write_and_process_status(long long int timestamp, int channel)
{
int status;
rtio_o_we_write(1);
status = rtio_o_status_read();
if(status) {
if(status & RTIO_O_STATUS_FULL)
while(rtio_o_status_read() & RTIO_O_STATUS_FULL);
if(status & RTIO_O_STATUS_UNDERFLOW) {
rtio_o_underflow_reset_write(1);
artiq_raise_from_c("RTIOUnderflow",
"RTIO underflow at {0}mu, channel {1}, counter {2}",
timestamp, channel, rtio_get_counter());
}
if(status & RTIO_O_STATUS_SEQUENCE_ERROR) {
rtio_o_sequence_error_reset_write(1);
artiq_raise_from_c("RTIOSequenceError",
"RTIO sequence error at {0}mu, channel {1}",
timestamp, channel, 0);
}
}
}
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#endif /* __RTIO_H */