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artiq/soc/runtime/rtio.c

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#include <generated/csr.h>
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#include "exceptions.h"
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#include "rtio.h"
void rtio_init(void)
{
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rtio_reset_write(1);
rtio_reset_write(0);
rtio_reset_phy_write(0);
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}
long long int rtio_get_counter(void)
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{
rtio_counter_update_write(1);
return rtio_counter_read();
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}
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void rtio_process_exceptional_status(int status, long long int timestamp, int channel)
{
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);
exception_raise_params(EID_RTIO_UNDERFLOW,
timestamp, channel, rtio_get_counter());
}
if(status & RTIO_O_STATUS_SEQUENCE_ERROR) {
rtio_o_sequence_error_reset_write(1);
exception_raise_params(EID_RTIO_SEQUENCE_ERROR,
timestamp, channel, 0);
}
if(status & RTIO_O_STATUS_COLLISION_ERROR) {
rtio_o_collision_error_reset_write(1);
exception_raise_params(EID_RTIO_COLLISION_ERROR,
timestamp, channel, 0);
}
}