grbl/grbl — Issue #73: stream.py error
Author: cody82
Created: 2012-03-05 19:26:46+00:00
State: open

I sometimes get this error with stream.py and grbl_v0_8a_edge_328p_16mhz_9600_build20120212.hex:

```
SND: 1164 : X-81.726Y-25.121 BUF: 115 REC: ok1157
SND: 1165 : X-80.300Y-29.362 BUF: 117 REC: ok1158
SND: 1166 : X-78.633Y-33.571 BUF: 118 REC: ok1159
SND: 1167 : X-76.726Y-37.728 BUF: 119 REC: ok1160
SND: 1168 : X-74.578Y-41.813 BUF: 119 REC: ok1161
SND: 1169 : X-72.195Y-45.805 BUF: 119 REC: ok1162
SND: 1170 : X-69.582Y-49.685 BUF: 119 REC: ok1163
SND: 1171 : X-66.748Y-53.432 BUF: 119 REC: ok1164
SND: 1172 : X-63.702Y-57.029 BUF: 119 REC: ok1165
SND: 1173 : X-60.458Y-60.458 BUF: 119 REC: ok1166
SND: 1174 : X-57.029Y-63.702 BUF: 119 REC: ok1167
SND: 1175 : X-53.432Y-66.748 BUF: 119 REC: ok1168
Traceback (most recent call last):
File "stream.py", line 70, in
out_temp = s.readline().strip() # Wait for grbl response
File "/usr/lib/python2.7/dist-packages/serial/serialposix.py", line 456, in read
raise SerialException('device reports readiness to read but returned no data (device disconnected?)')
serial.serialutil.SerialException: device reports readiness to read but returned no data (device disconnected?)
```
I also have a live-video when this error occurs:)
http://www.youtube.com/watch?v=ebH1A1NImYc