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rigol-ds: properly set encoding digits

This commit is contained in:
Aurelien Jacobs 2016-08-20 00:56:23 +02:00 committed by Uwe Hermann
parent 6ed709fecd
commit b8f07f4221
1 changed files with 3 additions and 1 deletions
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4
src/hardware/rigol-ds/protocol.c
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@ -672,7 +672,9 @@ SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data)
else
for (i = 0; i < len; i++)
devc->data[i] = (128 - devc->buffer[i]) * vdiv - offset;
sr_analog_init(&analog, &encoding, &meaning, &spec, 0);
float vdivlog = log10f(vdiv);
int digits = -(int)vdivlog + (vdivlog < 0.0);
sr_analog_init(&analog, &encoding, &meaning, &spec, digits);
analog.meaning->channels = g_slist_append(NULL, ch);
analog.num_samples = len;
analog.data = devc->data;