You've already forked TEF6686_Driver
60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
import struct
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from protocol import I2CPCClient, time
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from patches import *
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from typing import TypeVar, ParamSpec
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P = ParamSpec("P")
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T = TypeVar("T")
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class BaseTEF668X:
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def __init__(self, p: I2CPCClient, address: int = 0x64) -> None:
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self.p = p
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p.set_baudrate(921600)
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self.p.set_clock(100_000)
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self.address = address
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def close(self):
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self.p.set_baudrate(115200)
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self.p.close()
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def _reset(self):
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self.p.write_i2c(self.address, b"\x1e\x5a\x01\x5a\x5a")
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def _write_firmware(self, patch: bytes | list[int], patch_lut: bytes | list[int]):
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self.p.set_clock(400_000)
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self.p.write_i2c(self.address, b"\x1c\x00\x00")
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self.p.write_i2c(self.address, b"\x1c\x00\x74")
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def send_patch(_patch: bytes):
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for i in range(0, len(_patch), 24):
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data = _patch[i:i+24]
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if self.p.write_i2c(self.address, b"\x1b" + data)[0] != 0: raise Exception
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send_patch(bytes(patch))
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self.p.write_i2c(self.address, b"\x1c\x00\x00")
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self.p.write_i2c(self.address, b"\x1c\x00\x75")
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send_patch(bytes(patch_lut))
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self.p.write_i2c(self.address, b"\x1c\x00\x00")
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self.p.set_clock(100_000)
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def APPL_Get_Operation_Status(self):
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data = self.p.write_read_i2c(self.address, b"\x40\x80\x01", 2)
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while data[0] != 0:
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data = self.p.write_read_i2c(self.address, b"\x40\x80\x01", 2)
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time.sleep(0.01)
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return data[-1]
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def APPL_Set_ReferenceClock(self, clock: int, type_clock: bool):
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return self.p.write_i2c(self.address, b"\x40\x04\x01" + struct.pack(">IH", clock, type_clock))
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def APPL_Activate(self):
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return self.p.write_i2c(self.address, b"\x40\x05\x01\x00\x01")
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def init(self, patch = tef_102_patch, patch_lut = tef_102_patch_lut, clock: int = 9216000):
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self._reset()
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while self.APPL_Get_Operation_Status() != 0: time.sleep(0.025) # TODO: timeouts
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self._write_firmware(patch, patch_lut)
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self.p.write_i2c(self.address, b"\x14\x00\x01")
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while self.APPL_Get_Operation_Status() != 1: time.sleep(0.025)
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if clock != 9216000: self.APPL_Set_ReferenceClock(clock, False)
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self.APPL_Activate()
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while self.APPL_Get_Operation_Status() != 2: time.sleep(0.025)
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def __enter__(self): return self
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def __exit__(self, exc_type, exc_val, exc_tb): self.close() |