void process(char *record, FILE *ifile)
{
char ofname[10], data[5];
WFDB_Time t = -1;
static WFDB_Siginfo si[2];
static WFDB_Anninfo ai;
static WFDB_Sample v[2];
static WFDB_Annotation a;
setsampfreq(250.0); /* AHA DB is sampled at 250 Hz for each signal */
sprintf(ofname, "%s.dat", record);
si[0].fname = ofname;
si[0].desc = "ECG0";
si[0].units = "mV";
si[0].gain = 400;
si[0].fmt = 212;
si[0].adcres = 12;
si[1] = si[0];
si[1].desc = "ECG1";
ai.name = "atr";
ai.stat = WFDB_WRITE;
if (osigfopen(si, 2) != 2 || annopen(record, &ai, 1) < 0) {
wfdbquit();
return;
}
while (fread(data, 1, 5, ifile) == 5) {
v[0] = (data[0] & 0xff) | ((data[1] << 8) & 0xff00);
v[1] = (data[2] & 0xff) | ((data[3] << 8) & 0xff00);
(void)putvec(v);
if (data[4] != '.') {
a.anntyp = ammap(data[4]);
a.subtyp = (data[4] == 'U' ? -1 : 0);
a.time = t;
(void)putann(0, &a);
}
t++;
}
(void)newheader(record);
wfdbquit();
fprintf(stderr, "wrote %s.atr, $s.dat, and %s.hea\n", record,record,record);
return;
}
/* Before using osigfopen_, use setsiginfo_ to set the contents of the signal
information structures. */
INTEGER osigfopen_(INTEGER *nsig)
{
return (osigfopen(sinfo, (unsigned int)(*nsig)));
}
