Simple test¶
Ensure your device works with this simple test.
1# SPDX-FileCopyrightText: 2021 Kevin Matocha
2#
3# SPDX-License-Identifier: MIT
4#############################
5"""
6This is a basic demonstration of a FlipInput widget.
7"""
8
9# pylint: disable=invalid-name
10
11import time
12import board
13import displayio
14import adafruit_touchscreen
15from adafruit_bitmap_font import bitmap_font
16from displayio_flipinput import FlipInput
17
18display = board.DISPLAY # create the display on the PyPortal,
19# otherwise change this to setup the display
20# for display chip driver and pinout you have (e.g. ILI9341)
21
22# setup the touchscreen
23ts = adafruit_touchscreen.Touchscreen(
24 board.TOUCH_XL,
25 board.TOUCH_XR,
26 board.TOUCH_YD,
27 board.TOUCH_YU,
28 calibration=((5200, 59000), (5800, 57000)),
29 size=(display.width, display.height),
30)
31
32# Select the font file for use
33font_file = "fonts/DSEG14Classic-Regular-64-ModS.pcf"
34my_font = bitmap_font.load_font(font_file)
35
36my_flip1 = FlipInput(
37 display,
38 anchor_point=[0.0, 0.0],
39 anchored_position=[50, 40],
40 color=0xFF2222, # reddish orange color
41 value_list=[ # list of month strings, using three characters
42 "JAN",
43 "FEB",
44 "MAR",
45 "APR",
46 "MAY",
47 "JUN",
48 "JUL",
49 "AUG",
50 "SEP",
51 "OCT",
52 "NOV",
53 "DEC",
54 ],
55 font_scale=5,
56 horizontal=False, # use vertical arrows
57 animation_time=0.4,
58)
59
60my_flip2 = FlipInput(
61 display,
62 anchor_point=[0.0, 0.0],
63 anchored_position=[220, 40],
64 color=0xFF2222, # reddish orange color
65 value_list=["{0:02d}".format(x) for x in range(1, 31 + 1)],
66 # use a list of strings from 01 through 31
67 # use the {0:02d} format string to always use two digits (e.g. '03')
68 font_scale=5,
69 horizontal=False, # use vertical arrows
70 animation_time=0.4,
71)
72
73my_flip3 = FlipInput(
74 display,
75 anchor_point=[0.5, 1.0],
76 anchored_position=[320 // 2, 240 - 10],
77 color=0xFF2222, # reddish orange color
78 value_list=["{}".format(x) for x in range(1985, 2022, 1)],
79 # use a list with values of stringsfrom 1985 to 2022
80 font=my_font,
81 horizontal=True, # use horizontal arrows
82 animation_time=0.8, # add more time since the animation covers a longer distance
83)
84
85# Pick an interesting date to start
86#
87# You can set the value by direct integer indexes of the list or by a string
88# Here are three ways to set the values:
89my_flip1.value = 9 # use direct integer indexing to set the value to the 10th month
90my_flip2.value = my_flip2.value_list.index("21") # find the index yourself by
91# searching the value_list
92my_flip3.value = "2015" # or set the value based on a string that is in the value_list
93
94# Create the group to display and append the FlipInput widgets
95my_group = displayio.Group()
96my_group.append(my_flip1)
97my_group.append(my_flip2)
98my_group.append(my_flip3)
99
100display.show(my_group) # add high level Group to the display
101display.auto_refresh = True
102
103while True:
104
105 p = ts.touch_point
106 # print("touch_point p: {}".format(p)) # print the touch point
107
108 if p: # if touched, check if any of the widgets was triggered
109 if my_flip1.contains(p):
110 my_flip1.selected(p)
111 time.sleep(0.15) # add a short delay to reduce accidental press
112 elif my_flip2.contains(p):
113 my_flip2.selected(p)
114 time.sleep(0.15) # add a short delay to reduce accidental press
115 elif my_flip3.contains(p):
116 my_flip3.selected(p)
117 time.sleep(0.15) # add a short delay to reduce accidental press
118
119 time.sleep(0.01) # small delay seems to improve touch response