126 lines
3.3 KiB
Python
126 lines
3.3 KiB
Python
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import gc9a01
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from machine import Pin, SPI
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import vga1_16x32 as font
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import gc
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import romans as deffont
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class ScreenNorm:
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"""
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A light wrapper around the gc9a01 screen.
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Attributes:
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_spi (SPI): The SPI interface.
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tft (gc9a01.GC9A01): The TFT display.
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"""
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def __init__(self):
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"""
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The constructor for ScreenNorm class.
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"""
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self._spi = SPI(0, baudrate=40000000, sck=Pin(2, Pin.OUT), mosi=Pin(3, Pin.OUT), miso=Pin(20,Pin.IN))
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self.wake()
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def get_font(self):
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"""
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Get the normal font
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Returns:
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font object
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"""
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return font
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def get_vfont(self):
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"""
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Get the default vector font (romans)
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"""
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return deffont
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def wake(self):
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"""
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Method to wake up the display.
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"""
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self.tft = gc9a01.GC9A01(self._spi, 240, 240,
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reset=Pin(4, Pin.OUT),
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cs=Pin(26, Pin.OUT),
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dc=Pin(5, Pin.OUT),
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backlight=Pin(27, Pin.OUT),
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rotation=0)
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self.tft.init()
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def idle(self):
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"""
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Method to get the display out of the way for another screen helper.
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"""
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self._spi.deinit()
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self.tft=None
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def jpg(self,filename):
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"""
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Method to show a jpg on the display.
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Args:
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filename (str): The name of the jpg file.
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"""
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if self.tft!=None:
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gc.collect()
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self.tft.jpg(filename,0,0,1)
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def text(self,x,y,txt,fg_color=gc9a01.color565(45, 217, 80),bg_color=gc9a01.color565(10,15,10)):
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"""
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Method to draw text on the display.
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Args:
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x (int): The x-coordinate of the top left corner of the text.
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y (int): The y-coordinate of the top left corner of the text.
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txt (str): The text to draw.
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fg_color (int): The foreground color. Default is gc9a01.color565(243,191,16).
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bg_color (int): The background color. Default is gc9a01.color565(26,26,26).
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"""
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if self.tft!=None:
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self.tft.text(font,txt,x,y,fg_color,bg_color)
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def text_font(self,font,x,y,txt,fg_color=gc9a01.color565(45, 217, 80),scale=1.0):
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"""
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Method to draw text with a font.
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Args:
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font (font or None): The font to use (or use default font)
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x,y (int): X and Y coordinate
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txt (str): String
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fg_color (int) Foreground color (note: no background color -- always transparent)
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"""
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if self.tft!=None:
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if font==None:
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font=deffont
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self.tft.draw(font,txt,x,y,fg_color,scale)
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def clear(self,color=0):
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"""
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Method to clear the display with a color.
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Args:
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color (int): The background color. Default is 0.
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"""
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if self.tft!=None:
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self.tft.fill_rect(0,0,240,240,color)
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def pixel(self,x,y,color):
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"""
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Method to set a pixel on the display.
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Args:
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x (int): The x-coordinate of the pixel.
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y (int): The y-coordinate of the pixel.
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color (int): The color of the pixel.
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"""
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if self.tft!=None:
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self.tft.pixel(x,y,color)
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