| # Copyright 2025 Google LLC |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from enum import IntEnum |
| |
| class SpiRegAddress(IntEnum): |
| TL_ADDR_REG_0 = 0x00 |
| TL_ADDR_REG_1 = 0x01 |
| TL_ADDR_REG_2 = 0x02 |
| TL_ADDR_REG_3 = 0x03 |
| TL_LEN_REG_L = 0x04 |
| TL_LEN_REG_H = 0x05 |
| TL_CMD_REG = 0x06 |
| TL_STATUS_REG = 0x07 |
| DATA_BUF_PORT = 0x08 |
| TL_WRITE_STATUS_REG = 0x09 |
| BULK_WRITE_PORT_L = 0x0A |
| BULK_WRITE_PORT_H = 0x0B |
| BULK_READ_PORT_L = 0x0C |
| BULK_READ_PORT_H = 0x0D |
| BULK_READ_STATUS_REG_L = 0x0E |
| BULK_READ_STATUS_REG_H = 0x0F |
| |
| class SpiCommand(IntEnum): |
| CMD_NULL = 0x00 |
| CMD_READ_START = 0x01 |
| CMD_WRITE_START = 0x02 |
| |
| class TlStatus(IntEnum): |
| IDLE = 0x00 |
| BUSY = 0x01 |
| DONE = 0x02 |
| ERROR = 0xFF |
| |
| CMD_WRITE = 0x80 |
