33 lines
744 B
Python
33 lines
744 B
Python
from machine import Pin, SoftI2C
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from ssd1306 import SSD1306_I2C
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import time
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class Screen:
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def __init__(self):
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# OLED pins on Heltec V3
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self.sda = Pin(17)
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self.scl = Pin(18)
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self.rst = Pin(21, Pin.OUT)
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self.__reset_oled()
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self.i2c = SoftI2C(scl=self.scl, sda=self.sda, freq=100000)
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self.oled = SSD1306_I2C(128, 64, self.i2c, addr=0x3C)
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self.clear()
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def __reset_oled(self):
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self.rst.value(0)
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time.sleep_ms(150)
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self.rst.value(1)
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time.sleep_ms(150)
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def clear(self):
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self.oled.fill(0)
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self.oled.show()
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def display(self, message, col=0, row=0):
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self.oled.text(message, col, row)
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self.oled.show()
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