This manual covers the use of Canon EF-232 Library for library versions up to 20c and bootloader versions up to 45.
This manual describes the EF-232 Library used to control Canon EF-232 lenses. It includes command reference tables, usage notes, and details on both library and bootloader commands, as well as procedures for updating firmware and committing settings.
The document is organized into quick reference tables, general notes on library operation, detailed command reference sections for the library and bootloader, and appendices covering error codes and command syntax. It provides examples for common tasks such as reading version strings, moving aperture or focus, and writing EEPROM parameters.