kopia lustrzana https://github.com/peterhinch/micropython-samples
118 wiersze
4.4 KiB
Python
118 wiersze
4.4 KiB
Python
# hst.py Demo/test for Horizontal Slider class for Pyboard TFT GUI
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# The MIT License (MIT)
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#
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# Copyright (c) 2016 Peter Hinch
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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from font10 import font10
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from tft import TFT, LANDSCAPE
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from usched import Sched
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from touch import TOUCH
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from ugui import HorizSlider, Button, Dial, Label, LED, Meter, CLIPPED_RECT, GREEN, RED, YELLOW, WHITE, BLUE
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import pyb
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# CALLBACKS
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# cb_end occurs when user stops touching the control
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def callback(slider, control_name):
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print('{} returned {}'.format(control_name, slider.value()))
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def to_string(val):
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return '{:3.1f} ohms'.format(val * 10)
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def master_moved(slider, slave1, slave2, label, led):
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val = slider.value()
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slave1.value(val)
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slave2.value(val)
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label.show(to_string(val))
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if val > 0.8:
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led.on()
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else:
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led.off()
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# Either slave has had its slider moved (by user or by having value altered)
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def slave_moved(slider, label):
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val = slider.value()
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if val > 0.8:
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slider.fgcolor = RED
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else:
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slider.fgcolor = GREEN
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label.show(to_string(val))
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def doquit(button):
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button.objsched.stop()
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# USER TEST FUNCTION
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# Common args for the labels
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labels = { 'width' : 70,
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'fontcolor' : WHITE,
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'border' : 2,
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'fgcolor' : RED,
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'bgcolor' : (0, 40, 0),
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}
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# '0', '1','2','3','4','5','6','7','8','9','10'
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# Common arguments for all three sliders
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table = {'fontcolor' : WHITE,
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'legends' : ('0', '5', '10'),
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'cb_end' : callback,
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}
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# 'border' : 2,
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def testmeter(meter):
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oldvalue = 0
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yield
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while True:
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val = pyb.rng()/2**30
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steps = 20
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delta = (val - oldvalue) / steps
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for _ in range(steps):
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oldvalue += delta
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meter.value(oldvalue)
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yield 0.05
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def test():
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print('Test TFT panel...')
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objsched = Sched() # Instantiate the scheduler
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mytft = TFT("SSD1963", "LB04301", LANDSCAPE)
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mytouch = TOUCH("XPT2046", objsched, confidence = 50, margin = 50) #, calibration = (-3886,-0.1287,-3812,-0.132,-3797,-0.07685,-3798,-0.07681))
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mytft.backlight(100) # light on
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led = LED(mytft, (420, 0), border = 2)
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meter1 = Meter(mytft, (320, 0), font=font10, legends=('0','5','10'), pointercolor = YELLOW, fgcolor = GREEN)
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meter2 = Meter(mytft, (360, 0), font=font10, legends=('0','5','10'), pointercolor = YELLOW)
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Button(objsched, mytft, mytouch, (420, 240), font = font10, callback = doquit, fgcolor = RED,
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height = 30, text = 'Quit', shape = CLIPPED_RECT)
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x = 230
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lstlbl = []
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for n in range(3):
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lstlbl.append(Label(mytft, (x, 40 + 60 * n), font = font10, **labels))
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x = 0
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slave1 = HorizSlider(objsched, mytft, mytouch, (x, 100), font10,
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fgcolor = GREEN, cbe_args = ['Slave1'], cb_move = slave_moved, cbm_args = [lstlbl[1]], **table)
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slave2 = HorizSlider(objsched, mytft, mytouch, (x, 160), font10,
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fgcolor = GREEN, cbe_args = ['Slave2'], cb_move = slave_moved, cbm_args = [lstlbl[2]], **table)
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master = HorizSlider(objsched, mytft, mytouch, (x, 40), font10,
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fgcolor = YELLOW, cbe_args = ['Master'], cb_move = master_moved, slidecolor=RED, cbm_args = [slave1, slave2, lstlbl[0], led], value=0.5, **table)
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objsched.add_thread(testmeter(meter1))
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objsched.add_thread(testmeter(meter2))
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objsched.run() # Run it!
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test()
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