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authorAdam Rodriguez <adam.rodriguez@wsu.edu>2015-10-25 14:07:48 -0700
committerAdam Rodriguez <adam.rodriguez@wsu.edu>2015-10-25 14:07:48 -0700
commit6c7dbb2744aad3b44c3202b7c59d13779e0b29ca (patch)
treed946df150653ee7e8c60dab2d8c6aa08892dd152
parent13e21d0a988dcde80b42efe00e98b75429b133e7 (diff)
downloadwaveshare-7inch-touchscreen-driver-6c7dbb2744aad3b44c3202b7c59d13779e0b29ca.zip
waveshare-7inch-touchscreen-driver-6c7dbb2744aad3b44c3202b7c59d13779e0b29ca.tar.xz
Update touch.py
Added a try, except: around f.read(25). This ensures that if it cant read from the device then it will exit the function then reconnect to the device. In my case whenever i plugged in any USB it would disconnect and change the driver name. this should fix that problem.
-rw-r--r--touch.py13
1 files changed, 9 insertions, 4 deletions
diff --git a/touch.py b/touch.py
index 223c3da..71e88ca 100644
--- a/touch.py
+++ b/touch.py
@@ -26,10 +26,15 @@ def read_and_emulate_mouse(deviceFound):
startTime = time.time()
while True:
- b = f.read(25)
- (tag, btnLeft, x, y) = struct.unpack_from('>c?HH', b)
- print(btnLeft, x, y)
- time.sleep(0.01)
+ try:
+ b = f.read(25)
+ (tag, btnLeft, x, y) = struct.unpack_from('>c?HH', b)
+ print(btnLeft, x, y)
+ except:
+ print('failed to read from deviceFound' + str(deviceFound))
+ return
+
+ time.sleep(0.01)
if btnLeft:
device.emit(uinput.ABS_X, x, True)