Yoctopuce Yocto-MaxiDisplay Mode D'emploi page 53

import os, sys
from yocto_api import
from yocto_display
def usage():
scriptname = os.path.basename(sys.argv[0])
print("Usage:")
print(scriptname +
print(scriptname +
print(scriptname +
sys.exit()
def die(msg):
sys.exit(msg +
errmsg = YRefParam()
if len(sys.argv) <
usage()
target = sys.argv[1]
# Setup the API to use local USB devices
if YAPI.RegisterHub("usb", errmsg) !=
sys.exit("init error"
if target == 'any':
# retreive any RGB led
disp = YDisplay.FirstDisplay()
if disp is None:
die('No module
else:
disp = YDisplay.FindDisplay(target +
if not disp.isOnline():
die("Module not connected
# display clean up
disp.resetAll()
# retreive the display size
w = disp.get_displayWidth()
h = disp.get_displayHeight()
# retreive the first layer
l0 = disp.get_displayLayer(0)
l0.clear()
# display a text in the middle of the screen
l0.drawText(w / 2,
# visualize each corner
l0.moveTo(0, 5)
l0.lineTo(0, 0)
l0.lineTo(5, 0)
l0.moveTo(0, h - 6)
l0.lineTo(0, h - 1)
l0.lineTo(5, h - 1)
l0.moveTo(w - 1, h -
l0.lineTo(w - 1, h -
l0.lineTo(w - 6, h -
l0.moveTo(w - 1, 5)
l0.lineTo(w - 1, 0)
l0.lineTo(w - 6, 0)
# draw a circle in the top left corner of layer 1
l1 = disp.get_displayLayer(1)
l1.clear()
l1.drawCircle(h /
# and animate the layer
print("Use Ctrl-C to
x = 0
y = 0
www.yoctopuce.com
*
import *
' <serial_number>')
' <logical_name>')
' any ')
' (check USB cable)')
2:
YAPI.SUCCESS:
+ errmsg.value)
connected')
")
h / 2, YDisplayLayer.ALIGN.CENTER,
6)
1)
1)
8, h / 8, h / 8)
stop")
9. Utilisation du Yocto-MaxiDisplay en Python
".display")
"Hello world!")
47