kopia lustrzana https://github.com/peterhinch/micropython-micro-gui
57 wiersze
1.8 KiB
Python
57 wiersze
1.8 KiB
Python
# hardware_setup.py Customise for your hardware config
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2021 Peter Hinch
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# Supports:
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# Waveshare Pico LCD 1.14" 135*240(Pixel) based on ST7789V
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# Demo of initialisation procedure designed to minimise risk of memory fail
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# when instantiating the frame buffer. The aim is to do this as early as
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# possible before importing other modules.
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from machine import Pin, SPI
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import gc
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from drivers.st7789.pico import *
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SSD = LCD_1inch14
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pcs = Pin(9, Pin.OUT, value=1)
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prst = Pin(12, Pin.OUT, value=1)
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pbl = Pin(13, Pin.OUT, value=1)
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gc.collect() # Precaution before instantiating framebuf
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# Conservative low baudrate. Can go to 62.5MHz.
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spi = SPI(1, 10_000_000, sck=Pin(10), mosi=Pin(11), miso=None) # miso on pin 8 seems to cattle it
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pdc = Pin(8, Pin.OUT, value=0) # Bloody Waveshare use the MISO pin for d/c
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''' TTGO
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v +----------------+
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40 | | |
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^ | +------+ | pin 36
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240 | | | | |
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v | +------+ |
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40 | | | Reset button
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^ +----------------+
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>----<------>----<
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52 135 xx
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BUTTON2 BUTTON1
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'''
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ssd = SSD(spi, dc=pdc, spics=pcs, rst=prst)
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from gui.core.ugui import Display
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# Create and export a Display instance
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# Define control buttons
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nxt = Pin(20, Pin.IN, Pin.PULL_UP) # Move to next control
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sel = Pin(3, Pin.IN, Pin.PULL_UP) # Operate current control
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prev = Pin(16, Pin.IN, Pin.PULL_UP) # Move to previous control
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increase = Pin(2, Pin.IN, Pin.PULL_UP) # Increase control's value
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decrease = Pin(18, Pin.IN, Pin.PULL_UP) # Decrease control's value
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display = Display(ssd, nxt, sel, prev, increase, decrease)
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