You've already forked TEF6686_Driver
72 lines
3.2 KiB
Python
72 lines
3.2 KiB
Python
from protocol import I2CPCClient, time
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from patches import *
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from typing import Callable, TypeVar, ParamSpec, Concatenate
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from collections.abc import Callable as ABCCallable
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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), 64): # More data in a single step is less data sent over serial
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data = _patch[i:i+64]
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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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@staticmethod
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def _base_command_wrapper(func: Callable[Concatenate["BaseTEF668X", P], tuple[bytes, int | None, ABCCallable[[bytes], T] | None]]) -> Callable[Concatenate["BaseTEF668X", P], bytes | T]:
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def inner(self: "BaseTEF668X", *args: P.args, **kwargs: P.kwargs ) -> bytes | T:
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data, read_bytes, out_parser = func(self, *args, **kwargs)
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if read_bytes: data = self.p.write_read_i2c(self.address, data, read_bytes)
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else: data = self.p.write_i2c(self.address, data)
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if out_parser: return out_parser(data)
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return data
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return inner
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@_base_command_wrapper
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def APPL_Set_ReferenceClock(self, clock: int, type_clock: bool):
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return b"\x40\x04\x01" + bytes(((clock >> 16) & 0xffff).to_bytes(2) + (clock & 0xffff).to_bytes(2) + bytes([0, int(type_clock)])), None, None
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@_base_command_wrapper
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def APPL_Activate(self):
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return b"\x40\x05\x01\x00\x01", None, None
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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() |