80 lines
1.9 KiB
Python
80 lines
1.9 KiB
Python
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"""LILYGO TTGO LoRa32 MicroPython Helper Library."""
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from machine import Pin, SoftI2C, Signal
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from lilygo_oled import OLED
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from micropython import const
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class Lora32Base:
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"""Base class defining common pins."""
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def __init__(self, define_helpers=True):
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# LORA
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self.LORA_MOSI = const(27)
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self.LORA_MISO = const(19)
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self.LORA_SCLK = const(5)
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self.LORA_CS = const(18)
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self.LORA_DIO = const(26)
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self.LORA_RST = const(23)
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# DAC
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self.DAC1 = const(26)
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# LED
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self.LED = const(25)
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# OLED
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self.OLED_SDA = const(21)
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self.OLED_SCL = const(22)
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if define_helpers:
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self.create_helpers()
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def create_helpers(self):
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self.led = Pin(self.LED, Pin.OUT)
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self.i2c = SoftI2C(scl=Pin(self.OLED_SCL), sda=Pin(self.OLED_SDA))
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self.oled = OLED(self.i2c)
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class Lora32v1_0(Lora32Base):
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"""Device Support for LILYGO TTGO LoRa32 v1.0."""
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def __init__(self):
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super().__init__(define_helpers=False)
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# v1.0 has different pins for the following
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self.LORA_RST = const(14)
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self.OLED_SDA = const(4)
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self.OLED_SCL = const(15)
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# Also has a reset for the OLED that the others don't have
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self.OLED_RST = const(16)
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super().create_helpers()
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class Lora32v1_2(Lora32Base):
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"""Device Support for LILYGO TTGO LoRa32 v1.2 (T-Fox)."""
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def __init__(self):
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super().__init__()
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# v1.2 Has a DS3231 RTC
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self.DS3231_SDA = const(21)
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self.DS3231_SCL = const(22)
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class Lora32(Lora32Base):
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"""Device Support for LILYGO TTGO LoRa32 v1.6 and v2.0."""
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def __init__(self):
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super().__init__()
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# v1.6 and v2.0 support an SDCard
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self.SD_CS = const(13)
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self.SD_MOSI = const(15)
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self.SD_MISO = const(2)
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self.SD_SCLK = const(14)
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