PURPOSE --
Decode SPC and QBF files.
 
Based on the data format descriptions from Appendix A of ICD-T1.
 
DEVELOPER --
Don Chance
 
MODIFICATION HISTORY --
Date        Who            What
====        ===            ====
12/07/10    DRC            Initial implementation
 1/03/11    DRC            Add diff function

Modules
		difflib os struct time_util

Classes
		__builtin__.object stored_program_command_load_file qbf spc_file hst486 nssc1_atp nssc1_rts   class hst486(spc_file)     Class for deciphering HST 486 SPC files.     Method resolution order: hst486 spc_file stored_program_command_load_file __builtin__.object Methods defined here: __init__(self, spc_file) header_report(self) Methods inherited from spc_file: filename_data(self) text_tdrs(self) Methods inherited from stored_program_command_load_file: data_report(self) parse_data(self, start_byte=256) Parse data part on an SPC file. parse_filename(self) pprint(self) Print the report string. report(self) text_link_flag(self) Convert the link flag code into a more descriptive form. text_load_generation_flag(self) Convert the load generation code into something a human can understand. text_load_type(self) Convert the load type code into a more descriptive form. write(self, filename) Write the report string to a file. Data descriptors inherited from stored_program_command_load_file: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)   class nssc1_atp(spc_file)     A class for deciphering NSSC1 ATP SPC files.     Method resolution order: nssc1_atp spc_file stored_program_command_load_file __builtin__.object Methods defined here: __init__(self, spc_file) Methods inherited from spc_file: filename_data(self) text_tdrs(self) Methods inherited from stored_program_command_load_file: data_report(self) header_report(self) parse_data(self, start_byte=256) Parse data part on an SPC file. parse_filename(self) pprint(self) Print the report string. report(self) text_link_flag(self) Convert the link flag code into a more descriptive form. text_load_generation_flag(self) Convert the load generation code into something a human can understand. text_load_type(self) Convert the load type code into a more descriptive form. write(self, filename) Write the report string to a file. Data descriptors inherited from stored_program_command_load_file: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)   class nssc1_rts(spc_file)       Method resolution order: nssc1_rts spc_file stored_program_command_load_file __builtin__.object Methods defined here: __init__(self, spc_file) Methods inherited from spc_file: filename_data(self) text_tdrs(self) Methods inherited from stored_program_command_load_file: data_report(self) header_report(self) parse_data(self, start_byte=256) Parse data part on an SPC file. parse_filename(self) pprint(self) Print the report string. report(self) text_link_flag(self) Convert the link flag code into a more descriptive form. text_load_generation_flag(self) Convert the load generation code into something a human can understand. text_load_type(self) Convert the load type code into a more descriptive form. write(self, filename) Write the report string to a file. Data descriptors inherited from stored_program_command_load_file: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)   class qbf(stored_program_command_load_file)       Method resolution order: qbf stored_program_command_load_file __builtin__.object Methods defined here: __init__(self, spc_file) filename_data(self) header_report(self) parse_filename(self) parse_transfer_descriptor(self) Methods inherited from stored_program_command_load_file: data_report(self) parse_data(self, start_byte=256) Parse data part on an SPC file. pprint(self) Print the report string. report(self) text_link_flag(self) Convert the link flag code into a more descriptive form. text_load_generation_flag(self) Convert the load generation code into something a human can understand. text_load_type(self) Convert the load type code into a more descriptive form. write(self, filename) Write the report string to a file. Data descriptors inherited from stored_program_command_load_file: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)   class spc_file(stored_program_command_load_file)       Method resolution order: spc_file stored_program_command_load_file __builtin__.object Methods defined here: filename_data(self) text_tdrs(self) Methods inherited from stored_program_command_load_file: __init__(self, spc_file) data_report(self) header_report(self) parse_data(self, start_byte=256) Parse data part on an SPC file. parse_filename(self) pprint(self) Print the report string. report(self) text_link_flag(self) Convert the link flag code into a more descriptive form. text_load_generation_flag(self) Convert the load generation code into something a human can understand. text_load_type(self) Convert the load type code into a more descriptive form. write(self, filename) Write the report string to a file. Data descriptors inherited from stored_program_command_load_file: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)   class stored_program_command_load_file(__builtin__.object)     Base class for all stored program command load file objects.     Methods defined here: __init__(self, spc_file) data_report(self) filename_data(self) Converts to human readable form information encoded into the filename.   Returns a string. header_report(self) parse_data(self, start_byte=256) Parse data part on an SPC file. parse_filename(self) pprint(self) Print the report string. report(self) text_link_flag(self) Convert the link flag code into a more descriptive form. text_load_generation_flag(self) Convert the load generation code into something a human can understand. text_load_type(self) Convert the load type code into a more descriptive form. write(self, filename) Write the report string to a file. Data descriptors defined here: __dict__ dictionary for instance variables (if defined) __weakref__ list of weak references to the object (if defined)

Functions
		crc16(buff, crc=0, poly=40961) Compute CRC value. diff(spc_file1, spc_file2, ignore_filename=True, ignore_header=True) Difference two spc files. spc(spc_file) Return the appropriate stored program command load file object based on the first character of the input file name.

Data
		QBF_TRANSFER_DATA_FORMAT = '<3Ic3IHIc220xHH' SPC_DATA_FORMAT = '<63IHH' SPC_HEADER_FORMAT = '<9s3s4s3s11s11s4s1s3s12s1s8s15s3s1s3s5s5s20s30s4s6s5s2s9s11s11s2s50sHH' __version__ = '1/3/11'