Added also proper execption in case the board is pulled.

berndporr · Nov 25, 2018 · 91d111c · 91d111c
1 parent 155a1bc
commit 91d111c
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Showing 3 changed files with 6 additions and 4 deletions.
diff --git a/demo/realtime_plot.py b/demo/realtime_plot.py
@@ -21,7 +21,7 @@ def data_gen():
     #endless loop which gets data
     while True:
         data = np.zeros(0)
-        while (not c.hasSampleAvilabale() == 0):
+        while c.hasSampleAvilabale():
             sample = c.getSampleFromBuffer()
             data = np.append(data,sample[0])
         yield data

diff --git a/pyusbdux.cpp b/pyusbdux.cpp
@@ -168,7 +168,9 @@ sample_p getSampleFromBuffer() {
 
 int hasSampleAvilabale() {
 	if (dev == NULL) throw "Device not open";
-	return comedi_get_buffer_contents(dev,subdevice) > 0;
+	int ret = comedi_get_buffer_contents(dev,subdevice);
+	if (ret < 0) throw "Device error. Possible disconnect.";
+	return ret > 0;
 }
 
 

diff --git a/setup.py b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/python3
 
 """
 setup.py file for pyusbdux.py
@@ -21,7 +21,7 @@ def read(fname):
 
 
 setup (name = 'pyusbdux',
-       version = '1.3.3',
+       version = '1.3.4',
        author      = "Bernd Porr",
        author_email = "mail@berndporr.me.uk",
        url = "https://github.com/berndporr/pyusbdux",