pre uart exchange

tool/core/protocol.py

@@ -0,0 +1,88 @@
+# tool/core/protocol.py
+VERSION = {
+    "min_protocol_version": 1,
+    "max_protocol_version": 1,
+    "current_protocol_version": None
+}
+
+SYNC_SEQ = b'BUZZ'
+
+ERRORS = {
+    0x00: "NONE",
+    0x01: "INVALID_COMMAND",
+    0x02: "INVALID_PARAMETERS",
+    0x03: "MISSING_PARAMETERS",
+
+    0x10: "FILE_NOT_FOUND",
+    0x11: "ALREADY_EXISTS",
+    0x12: "NOT_A_DIRECTORY",
+    0x13: "IS_A_DIRECTORY",
+    0x14: "ACCESS_DENIED",
+    0x15: "NO_SPACE",
+    0x16: "FILE_TOO_LARGE",
+
+    0x20: "IO_ERROR",
+    0x21: "TIMEOUT",
+    0x22: "CRC_MISMATCH",
+    0x23: "TRANSFER_ABORTED",
+
+    0x30: "NOT_SUPPORTED",
+    0x31: "BUSY",
+    0x32: "INTERNAL_ERROR",
+
+    0x40: "NOT_IMPLEMENTED",
+}
+
+FRAME_TYPE_REQUEST = 0x01
+FRAME_TYPE_ACK = 0x10
+FRAME_TYPE_RESPONSE = 0x11
+FRAME_TYPE_STREAM_START = 0x12
+FRAME_TYPE_STREAM_CHUNK = 0x13
+FRAME_TYPE_STREAM_END = 0x14
+FRAME_TYPE_LIST_START = 0x15
+FRAME_TYPE_LIST_CHUNK = 0x16
+FRAME_TYPE_LIST_END = 0x17
+FRAME_TYPE_ERROR = 0xFF
+
+FRAME_TYPES = {
+    'request': FRAME_TYPE_REQUEST,
+    'ack': FRAME_TYPE_ACK,
+    'response': FRAME_TYPE_RESPONSE,
+    'error': FRAME_TYPE_ERROR,
+    'stream_start': FRAME_TYPE_STREAM_START,
+    'stream_chunk': FRAME_TYPE_STREAM_CHUNK,
+    'stream_end': FRAME_TYPE_STREAM_END,
+    'list_start': FRAME_TYPE_LIST_START,
+    'list_chunk': FRAME_TYPE_LIST_CHUNK,
+    'list_end': FRAME_TYPE_LIST_END
+}
+
+CMD_GET_PROTOCOL_VERSION = 0x00
+CMD_GET_FIRMWARE_STATUS = 0x01
+CMD_GET_FLASH_INFO = 0x02
+
+CMD_LIST_DIR = 0x10
+CMD_CRC_32 = 0x11
+CMD_MKDIR = 0x12
+CMD_RM = 0x13
+CMD_STAT = 0x18
+CMD_RENAME = 0x19
+
+CMD_PUT_FILE = 0x20
+CMD_PUT_FW = 0x21
+CMD_GET_FILE = 0x22
+
+COMMANDS = {
+    'get_protocol_version': CMD_GET_PROTOCOL_VERSION,
+    'get_firmware_status': CMD_GET_FIRMWARE_STATUS,
+    'get_flash_info': CMD_GET_FLASH_INFO,
+    'list_dir': CMD_LIST_DIR,
+    'stat': CMD_STAT,
+    'rm': CMD_RM,
+    'rename': CMD_RENAME,
+    'mkdir': CMD_MKDIR,
+    'crc_32': CMD_CRC_32,
+    'put_file': CMD_PUT_FILE,
+    'get_file': CMD_GET_FILE,
+    'put_fw': CMD_PUT_FW,
+}