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rigol-ds: Improve protocol debugging output, abort on read errors.

This commit is contained in:
Martin Ling 2014-01-22 04:50:38 +00:00 committed by Bert Vermeulen
parent 2b399703d1
commit ae3a191366
1 changed files with 8 additions and 4 deletions
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12
hardware/rigol-ds/protocol.c
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@ -535,12 +535,16 @@ SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data)
}
len = devc->num_block_bytes - devc->num_block_read;
len = sr_scpi_read_data(scpi, (char *)devc->buffer,
len < ACQ_BUFFER_SIZE ? len : ACQ_BUFFER_SIZE);
if (len > ACQ_BUFFER_SIZE)
len = ACQ_BUFFER_SIZE;
sr_dbg("Requesting read of %d bytes", len);
len = sr_scpi_read_data(scpi, (char *)devc->buffer, len);
if (len == -1)
return FALSE;
sr_dbg("Received %d bytes.", len);
if (len == -1)
return TRUE;
devc->num_block_read += len;