diff --git a/src/xfcp/tb/taxi_xfcp_mod_axi/xfcp.py b/src/xfcp/tb/taxi_xfcp_mod_axi/xfcp.py deleted file mode 100644 index 174fbb0..0000000 --- a/src/xfcp/tb/taxi_xfcp_mod_axi/xfcp.py +++ /dev/null @@ -1,159 +0,0 @@ -# SPDX-License-Identifier: MIT -""" - -Copyright (c) 2017-2025 FPGA Ninja, LLC - -Authors: -- Alex Forencich - -""" - -import struct - - -def cobs_encode(block): - block = bytes(block) - enc = bytearray() - - seg = bytearray() - code = 1 - - new_data = True - - for b in block: - if b == 0: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = True - else: - code += 1 - seg.append(b) - new_data = True - if code == 255: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = False - - if new_data: - enc.append(code) - enc.extend(seg) - - return bytes(enc) - - -def cobs_decode(block): - block = bytes(block) - dec = bytearray() - - code = 0 - - i = 0 - - if 0 in block: - return None - - while i < len(block): - code = block[i] - i += 1 - if i+code-1 > len(block): - return None - dec.extend(block[i:i+code-1]) - i += code-1 - if code < 255 and i < len(block): - dec.append(0) - - return bytes(dec) - - -class XfcpFrame(object): - def __init__(self, payload=b'', path=[], rpath=[], ptype=0): - self._payload = b'' - self.path = path - self.rpath = rpath - self.ptype = ptype - - if type(payload) is bytes: - self.payload = payload - if type(payload) is XfcpFrame: - self.payload = payload.payload - self.path = list(payload.path) - self.rpath = list(payload.rpath) - self.ptype = payload.ptype - - @property - def payload(self): - return self._payload - - @payload.setter - def payload(self, value): - self._payload = bytes(value) - - def build(self): - data = bytearray() - - for p in self.path: - data.extend(struct.pack('B', p)) - - if self.rpath: - data.extend(struct.pack('B', 0xFE)) - for p in self.rpath: - data.extend(struct.pack('B', p)) - - data.extend(struct.pack('B', 0xFF)) - - data.extend(struct.pack('B', self.ptype)) - - data.extend(self.payload) - - return data - - def build_cobs(self): - return cobs_encode(self.build())+b'\x00' - - @classmethod - def parse(cls, data): - data = bytes(data) - - i = 0 - - path = [] - rpath = [] - - while i < len(data) and data[i] < 0xFE: - path.append(data[i]) - i += 1 - - if data[i] == 0xFE: - i += 1 - while i < len(data) and data[i] < 0xFE: - rpath.append(data[i]) - i += 1 - - assert data[i] == 0xFF - i += 1 - - ptype = data[i] - i += 1 - - payload = data[i:] - - return cls(payload, path, rpath, ptype) - - @classmethod - def parse_cobs(cls, data): - return cls.parse(cobs_decode(bytes(data))) - - def __eq__(self, other): - if type(other) is XfcpFrame: - return (self.path == other.path and - self.rpath == other.rpath and - self.ptype == other.ptype and - self.payload == other.payload) - return False - - def __repr__(self): - return f"XfcpFrame(payload={self.payload!r}, path={self.path!r}, rpath={self.rpath!r}, ptype={self.ptype})" diff --git a/src/xfcp/tb/taxi_xfcp_mod_axi/xfcp.py b/src/xfcp/tb/taxi_xfcp_mod_axi/xfcp.py new file mode 120000 index 0000000..7b61bc4 --- /dev/null +++ b/src/xfcp/tb/taxi_xfcp_mod_axi/xfcp.py @@ -0,0 +1 @@ +../xfcp.py \ No newline at end of file diff --git a/src/xfcp/tb/taxi_xfcp_mod_axil/xfcp.py b/src/xfcp/tb/taxi_xfcp_mod_axil/xfcp.py deleted file mode 100644 index 174fbb0..0000000 --- a/src/xfcp/tb/taxi_xfcp_mod_axil/xfcp.py +++ /dev/null @@ -1,159 +0,0 @@ -# SPDX-License-Identifier: MIT -""" - -Copyright (c) 2017-2025 FPGA Ninja, LLC - -Authors: -- Alex Forencich - -""" - -import struct - - -def cobs_encode(block): - block = bytes(block) - enc = bytearray() - - seg = bytearray() - code = 1 - - new_data = True - - for b in block: - if b == 0: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = True - else: - code += 1 - seg.append(b) - new_data = True - if code == 255: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = False - - if new_data: - enc.append(code) - enc.extend(seg) - - return bytes(enc) - - -def cobs_decode(block): - block = bytes(block) - dec = bytearray() - - code = 0 - - i = 0 - - if 0 in block: - return None - - while i < len(block): - code = block[i] - i += 1 - if i+code-1 > len(block): - return None - dec.extend(block[i:i+code-1]) - i += code-1 - if code < 255 and i < len(block): - dec.append(0) - - return bytes(dec) - - -class XfcpFrame(object): - def __init__(self, payload=b'', path=[], rpath=[], ptype=0): - self._payload = b'' - self.path = path - self.rpath = rpath - self.ptype = ptype - - if type(payload) is bytes: - self.payload = payload - if type(payload) is XfcpFrame: - self.payload = payload.payload - self.path = list(payload.path) - self.rpath = list(payload.rpath) - self.ptype = payload.ptype - - @property - def payload(self): - return self._payload - - @payload.setter - def payload(self, value): - self._payload = bytes(value) - - def build(self): - data = bytearray() - - for p in self.path: - data.extend(struct.pack('B', p)) - - if self.rpath: - data.extend(struct.pack('B', 0xFE)) - for p in self.rpath: - data.extend(struct.pack('B', p)) - - data.extend(struct.pack('B', 0xFF)) - - data.extend(struct.pack('B', self.ptype)) - - data.extend(self.payload) - - return data - - def build_cobs(self): - return cobs_encode(self.build())+b'\x00' - - @classmethod - def parse(cls, data): - data = bytes(data) - - i = 0 - - path = [] - rpath = [] - - while i < len(data) and data[i] < 0xFE: - path.append(data[i]) - i += 1 - - if data[i] == 0xFE: - i += 1 - while i < len(data) and data[i] < 0xFE: - rpath.append(data[i]) - i += 1 - - assert data[i] == 0xFF - i += 1 - - ptype = data[i] - i += 1 - - payload = data[i:] - - return cls(payload, path, rpath, ptype) - - @classmethod - def parse_cobs(cls, data): - return cls.parse(cobs_decode(bytes(data))) - - def __eq__(self, other): - if type(other) is XfcpFrame: - return (self.path == other.path and - self.rpath == other.rpath and - self.ptype == other.ptype and - self.payload == other.payload) - return False - - def __repr__(self): - return f"XfcpFrame(payload={self.payload!r}, path={self.path!r}, rpath={self.rpath!r}, ptype={self.ptype})" diff --git a/src/xfcp/tb/taxi_xfcp_mod_axil/xfcp.py b/src/xfcp/tb/taxi_xfcp_mod_axil/xfcp.py new file mode 120000 index 0000000..7b61bc4 --- /dev/null +++ b/src/xfcp/tb/taxi_xfcp_mod_axil/xfcp.py @@ -0,0 +1 @@ +../xfcp.py \ No newline at end of file diff --git a/src/xfcp/tb/taxi_xfcp_mod_i2c_master/xfcp.py b/src/xfcp/tb/taxi_xfcp_mod_i2c_master/xfcp.py deleted file mode 100644 index 174fbb0..0000000 --- a/src/xfcp/tb/taxi_xfcp_mod_i2c_master/xfcp.py +++ /dev/null @@ -1,159 +0,0 @@ -# SPDX-License-Identifier: MIT -""" - -Copyright (c) 2017-2025 FPGA Ninja, LLC - -Authors: -- Alex Forencich - -""" - -import struct - - -def cobs_encode(block): - block = bytes(block) - enc = bytearray() - - seg = bytearray() - code = 1 - - new_data = True - - for b in block: - if b == 0: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = True - else: - code += 1 - seg.append(b) - new_data = True - if code == 255: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = False - - if new_data: - enc.append(code) - enc.extend(seg) - - return bytes(enc) - - -def cobs_decode(block): - block = bytes(block) - dec = bytearray() - - code = 0 - - i = 0 - - if 0 in block: - return None - - while i < len(block): - code = block[i] - i += 1 - if i+code-1 > len(block): - return None - dec.extend(block[i:i+code-1]) - i += code-1 - if code < 255 and i < len(block): - dec.append(0) - - return bytes(dec) - - -class XfcpFrame(object): - def __init__(self, payload=b'', path=[], rpath=[], ptype=0): - self._payload = b'' - self.path = path - self.rpath = rpath - self.ptype = ptype - - if type(payload) is bytes: - self.payload = payload - if type(payload) is XfcpFrame: - self.payload = payload.payload - self.path = list(payload.path) - self.rpath = list(payload.rpath) - self.ptype = payload.ptype - - @property - def payload(self): - return self._payload - - @payload.setter - def payload(self, value): - self._payload = bytes(value) - - def build(self): - data = bytearray() - - for p in self.path: - data.extend(struct.pack('B', p)) - - if self.rpath: - data.extend(struct.pack('B', 0xFE)) - for p in self.rpath: - data.extend(struct.pack('B', p)) - - data.extend(struct.pack('B', 0xFF)) - - data.extend(struct.pack('B', self.ptype)) - - data.extend(self.payload) - - return data - - def build_cobs(self): - return cobs_encode(self.build())+b'\x00' - - @classmethod - def parse(cls, data): - data = bytes(data) - - i = 0 - - path = [] - rpath = [] - - while i < len(data) and data[i] < 0xFE: - path.append(data[i]) - i += 1 - - if data[i] == 0xFE: - i += 1 - while i < len(data) and data[i] < 0xFE: - rpath.append(data[i]) - i += 1 - - assert data[i] == 0xFF - i += 1 - - ptype = data[i] - i += 1 - - payload = data[i:] - - return cls(payload, path, rpath, ptype) - - @classmethod - def parse_cobs(cls, data): - return cls.parse(cobs_decode(bytes(data))) - - def __eq__(self, other): - if type(other) is XfcpFrame: - return (self.path == other.path and - self.rpath == other.rpath and - self.ptype == other.ptype and - self.payload == other.payload) - return False - - def __repr__(self): - return f"XfcpFrame(payload={self.payload!r}, path={self.path!r}, rpath={self.rpath!r}, ptype={self.ptype})" diff --git a/src/xfcp/tb/taxi_xfcp_mod_i2c_master/xfcp.py b/src/xfcp/tb/taxi_xfcp_mod_i2c_master/xfcp.py new file mode 120000 index 0000000..7b61bc4 --- /dev/null +++ b/src/xfcp/tb/taxi_xfcp_mod_i2c_master/xfcp.py @@ -0,0 +1 @@ +../xfcp.py \ No newline at end of file diff --git a/src/xfcp/tb/taxi_xfcp_switch/xfcp.py b/src/xfcp/tb/taxi_xfcp_switch/xfcp.py deleted file mode 100644 index 174fbb0..0000000 --- a/src/xfcp/tb/taxi_xfcp_switch/xfcp.py +++ /dev/null @@ -1,159 +0,0 @@ -# SPDX-License-Identifier: MIT -""" - -Copyright (c) 2017-2025 FPGA Ninja, LLC - -Authors: -- Alex Forencich - -""" - -import struct - - -def cobs_encode(block): - block = bytes(block) - enc = bytearray() - - seg = bytearray() - code = 1 - - new_data = True - - for b in block: - if b == 0: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = True - else: - code += 1 - seg.append(b) - new_data = True - if code == 255: - enc.append(code) - enc.extend(seg) - code = 1 - seg = bytearray() - new_data = False - - if new_data: - enc.append(code) - enc.extend(seg) - - return bytes(enc) - - -def cobs_decode(block): - block = bytes(block) - dec = bytearray() - - code = 0 - - i = 0 - - if 0 in block: - return None - - while i < len(block): - code = block[i] - i += 1 - if i+code-1 > len(block): - return None - dec.extend(block[i:i+code-1]) - i += code-1 - if code < 255 and i < len(block): - dec.append(0) - - return bytes(dec) - - -class XfcpFrame(object): - def __init__(self, payload=b'', path=[], rpath=[], ptype=0): - self._payload = b'' - self.path = path - self.rpath = rpath - self.ptype = ptype - - if type(payload) is bytes: - self.payload = payload - if type(payload) is XfcpFrame: - self.payload = payload.payload - self.path = list(payload.path) - self.rpath = list(payload.rpath) - self.ptype = payload.ptype - - @property - def payload(self): - return self._payload - - @payload.setter - def payload(self, value): - self._payload = bytes(value) - - def build(self): - data = bytearray() - - for p in self.path: - data.extend(struct.pack('B', p)) - - if self.rpath: - data.extend(struct.pack('B', 0xFE)) - for p in self.rpath: - data.extend(struct.pack('B', p)) - - data.extend(struct.pack('B', 0xFF)) - - data.extend(struct.pack('B', self.ptype)) - - data.extend(self.payload) - - return data - - def build_cobs(self): - return cobs_encode(self.build())+b'\x00' - - @classmethod - def parse(cls, data): - data = bytes(data) - - i = 0 - - path = [] - rpath = [] - - while i < len(data) and data[i] < 0xFE: - path.append(data[i]) - i += 1 - - if data[i] == 0xFE: - i += 1 - while i < len(data) and data[i] < 0xFE: - rpath.append(data[i]) - i += 1 - - assert data[i] == 0xFF - i += 1 - - ptype = data[i] - i += 1 - - payload = data[i:] - - return cls(payload, path, rpath, ptype) - - @classmethod - def parse_cobs(cls, data): - return cls.parse(cobs_decode(bytes(data))) - - def __eq__(self, other): - if type(other) is XfcpFrame: - return (self.path == other.path and - self.rpath == other.rpath and - self.ptype == other.ptype and - self.payload == other.payload) - return False - - def __repr__(self): - return f"XfcpFrame(payload={self.payload!r}, path={self.path!r}, rpath={self.rpath!r}, ptype={self.ptype})" diff --git a/src/xfcp/tb/taxi_xfcp_switch/xfcp.py b/src/xfcp/tb/taxi_xfcp_switch/xfcp.py new file mode 120000 index 0000000..7b61bc4 --- /dev/null +++ b/src/xfcp/tb/taxi_xfcp_switch/xfcp.py @@ -0,0 +1 @@ +../xfcp.py \ No newline at end of file