from protocol import I2CPCClient, time from tef_102_patch import * from tef_205_patch import * from typing import Callable, TypeVar, ParamSpec, Concatenate from collections.abc import Callable as ABCCallable P = ParamSpec("P") T = TypeVar("T") ADDRESS = 0x64 class BaseTEF668X: def __init__(self, p: I2CPCClient) -> None: self.p = p p.set_baudrate(921600) self.p.set_clock(100_000) def close(self): self.p.set_baudrate(115200) self.p.close() def _reset(self): self.p.write_i2c(ADDRESS, b"\x1e\x5a\x01\x5a\x5a") def _write_firmware(self, patch: bytes | list[int], patch_lut: bytes | list[int]): self.p.set_clock(400_000) self.p.write_i2c(ADDRESS, b"\x1c\x00\x00") self.p.write_i2c(ADDRESS, b"\x1c\x00\x74") def send_patch(_patch: bytes): for i in range(0, len(_patch), 64): data = _patch[i:i+64] if self.p.write_i2c(ADDRESS, b"\x1b" + data)[0] != 0: raise Exception send_patch(bytes(patch)) self.p.write_i2c(ADDRESS, b"\x1c\x00\x00") self.p.write_i2c(ADDRESS, b"\x1c\x00\x75") send_patch(bytes(patch_lut)) self.p.write_i2c(ADDRESS, b"\x1c\x00\x00") self.p.set_clock(100_000) def APPL_Get_Operation_Status(self): data = self.p.write_read_i2c(ADDRESS, b"\x40\x80\x01", 2) while data[0] != 0: data = self.p.write_read_i2c(ADDRESS, b"\x40\x80\x01", 2) time.sleep(0.01) return data[-1] @staticmethod def _base_command_wrapper(func: Callable[Concatenate["BaseTEF668X", P], tuple[bytes, int | None, ABCCallable[[bytes], T] | None]]) -> Callable[Concatenate["BaseTEF668X", P], bytes | T]: def inner(self: "BaseTEF668X", *args: P.args, **kwargs: P.kwargs ) -> bytes | T: data, read_bytes, out_parser = func(self, *args, **kwargs) if read_bytes: data = self.p.write_read_i2c(ADDRESS, data, read_bytes) else: data = self.p.write_i2c(ADDRESS, data) if out_parser: return out_parser(data) return data return inner @_base_command_wrapper def APPL_Set_ReferenceClock(self, clock: int, type_clock: bool): return b"\x40\x04\x01" + bytes(((clock >> 16) & 0xffff).to_bytes(2) + (clock & 0xffff).to_bytes(2) + bytes([0, int(type_clock)])), None, None @_base_command_wrapper def APPL_Activate(self): return b"\x40\x05\x01\x00\x01", None, None def init(self, patch = tef_102_patch, patch_lut = tef_102_patch_lut, clock: int = 9216000): self._reset() while self.APPL_Get_Operation_Status() != 0: time.sleep(0.01) self._write_firmware(patch, patch_lut) self.p.write_i2c(ADDRESS, b"\x14\x00\x01") while self.APPL_Get_Operation_Status() != 1: time.sleep(0.01) if clock != 9216000: self.APPL_Set_ReferenceClock(clock, False) self.APPL_Activate() while self.APPL_Get_Operation_Status() != 2: time.sleep(0.01)