diff options
Diffstat (limited to 'nxt_plugin/nxt/error.py')
-rw-r--r-- | nxt_plugin/nxt/error.py | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/nxt_plugin/nxt/error.py b/nxt_plugin/nxt/error.py new file mode 100644 index 0000000..3d14497 --- /dev/null +++ b/nxt_plugin/nxt/error.py @@ -0,0 +1,87 @@ +# nxt.error module -- LEGO Mindstorms NXT error handling +# Copyright (C) 2006, 2007 Douglas P Lau +# Copyright (C) 2009 Marcus Wanner +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +'Declarations for the errors' + +class ProtocolError(Exception): + pass + +class SysProtError(ProtocolError): + pass + +class FileExistsError(SysProtError): + pass + +class FileNotFound(SysProtError): + pass + +class ModuleNotFound(SysProtError): + pass + +class DirProtError(ProtocolError): + pass + +class I2CError(DirProtError): + pass + +class I2CPendingError(I2CError): + pass + +CODES = { + 0x00: None, + 0x20: I2CPendingError('Pending communication transaction in progress'), + 0x40: DirProtError('Specified mailbox queue is empty'), + 0x81: SysProtError('No more handles'), + 0x82: SysProtError('No space'), + 0x83: SysProtError('No more files'), + 0x84: SysProtError('End of file expected'), + 0x85: SysProtError('End of file'), + 0x86: SysProtError('Not a linear file'), + 0x87: FileNotFound('File not found'), + 0x88: SysProtError('Handle already closed'), + 0x89: SysProtError('No linear space'), + 0x8A: SysProtError('Undefined error'), + 0x8B: SysProtError('File is busy'), + 0x8C: SysProtError('No write buffers'), + 0x8D: SysProtError('Append not possible'), + 0x8E: SysProtError('File is full'), + 0x8F: FileExistsError('File exists'), + 0x90: ModuleNotFound('Module not found'), + 0x91: SysProtError('Out of bounds'), + 0x92: SysProtError('Illegal file name'), + 0x93: SysProtError('Illegal handle'), + 0xBD: DirProtError('Request failed (i.e. specified file not found)'), + 0xBE: DirProtError('Unknown command opcode'), + 0xBF: DirProtError('Insane packet'), + 0xC0: DirProtError('Data contains out-of-range values'), + 0xDD: DirProtError('Communication bus error'), + 0xDE: DirProtError('No free memory in communication buffer'), + 0xDF: DirProtError('Specified channel/connection is not valid'), + 0xE0: I2CError('Specified channel/connection not configured or busy'), + 0xEC: DirProtError('No active program'), + 0xED: DirProtError('Illegal size specified'), + 0xEE: DirProtError('Illegal mailbox queue ID specified'), + 0xEF: DirProtError('Attempted to access invalid field of a structure'), + 0xF0: DirProtError('Bad input or output specified'), + 0xFB: DirProtError('Insufficient memory available'), + 0xFF: DirProtError('Bad arguments'), +} + +def check_status(status): + if status: + ex = CODES.get(status) + if ex: + raise ex + else: + raise ProtocolError, status |