B ª /^ &ã@s˜dZddlZddlZddlZddlZddlZddlZdZdZ dZ dZ Gdd„dƒZ d d „Z d d „Zed kr”e ƒZe ¡Ze ejd¡ZeedddS)zÚ .. module:: laser :platform: unix :synopsis: This module is for communicating with the laser. .. codeauthor:: Nick Mondrik Date: 01/2020 Control code for an Ekspla NT-252 tunable laser Serial Number PGD 217 éNéiPÃiOi( c@s’eZdZdZd$dd„Zdd„Zdd„Zd d „Zd d „Zd d„Z dd„Z dd„Z dd„Z dd„Z dd„Zdd„Zdd„Zdd„Zdd „Zd!d"„Zd#S)%ÚLaserSerialInterfacez› This class is for communicating with the NT252 laser through the RS232 serial interface. TODO: Add code to check error states in all modules ú/dev/ttyACM.LASERcCsDd|_dddddddœ|_tj|d d d |_d |_d |_| ¡dS)Nz Not Connectedz/M_CPU800/18/PowerzD/M_CPU800/18/Continuous%20%2F%20Burst%20mode%20%2F%20Trigger%20burstz/M_CPU800/18/Burst lengthz/MidiOPG/31/WaveLengthz /M_CPU800/18/Output Energy levelz%/M_CPU800/18/External interlock state)Ú state_queryÚ mode_selectÚnpulsesÚ wavelengthÚ energy_levelÚext_interlock_stateiKé)ÚportÚbaudrateÚtimeoutóú )ÚstateÚcommandsÚserialÚSerialÚ_read_terminationÚ_write_terminationÚ check_state)Úselfr ©rú/home/cbp/cbp/cbp/nt252.pyÚ__init__ s zLaserSerialInterface.__init__cCs&|j |j¡}| d¡}| d¡}|S)zF Mid-level function to read from the laser registers. Úasciiz )rÚ read_untilrÚdecodeÚstrip)rÚresponserrrÚread.s  zLaserSerialInterface.readcCs2|d|jkr||j7}| d¡}|j |¡dS)zÚ Mid-level function to write a command to the laser. Wraps the serial.write low level command. Before writing, the command string must first be encoded to ASCII bytes -- so no unicode allowed. éÿÿÿÿrN)rÚencoderÚwrite)rÚcmdrrrr$8s    zLaserSerialInterface.writecCsd|jd}| |¡| ¡ ¡|_|jdkr)ÚargparseÚArgumentParserÚ add_argumentr3)ÚparserrrrÚ create_parsers rXcCst|d}| |¡dS)zV This creates a command line and arguments for the script. :return: None )r N)rr1)rr Zlaser_interfacerrrÚmains rYÚ__main__z/dev/ttyACM.LASER)r )rPrrTÚstringÚnumpyr2r-Útimer@rAr4r5rrXrYrMrWÚ parse_argsÚargsr3rrrrrÚ s&j