In this section we will try to give ideas on how to drive the UART from a PC
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In this section we will try to give ideas on how to drive the UART from a PC
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besides the simple implementation with RealTerm.
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besides the simple implementation with RealTerm.
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in the software folder of the project archive you will find:
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in the software folder of the project archive you will find:
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++ rtd_uart_test.bat :
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++ rtd_uart_test.bat :
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\ copy this bat file inside the RealTerm software folder to load the program (http://realterm.sourceforge.net/)
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\ copy this bat file inside the RealTerm software folder to load the program (http://realterm.sourceforge.net/)
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passing parameter settings (uart port, speed, display size, etc)
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passing parameter settings (uart port, speed, display size, etc)
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\ check "RealTerm_line_commands.txt" in the documentation folder for more parameters
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\ check "RealTerm_line_commands.txt" in the documentation folder for more parameters
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\ loads a file "Hex_commands.bin" (in BINARY format) and sends it over UART
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\ loads a file "Hex_commands.bin" (in BINARY format) and sends it over UART
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\ known strange behaviour of such method:
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\ known strange behaviour of such method:
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> COLS=18 doesn't set the number of columns to 18
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> COLS=18 doesn't set the number of columns to 18
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> relative paths or paths with "" don't work
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> relative paths or paths with "" don't work
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++ py_serial_control.py :
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++ py_serial_control.py :
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\ custom very simple script to read and write the UART with Python (http://www.python.org/doc)
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\ custom very simple script to read and write the UART with Python (http://www.python.org/doc)
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\ uses the pySerial library (http://pyserial.sourceforge.net/)
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\ uses the pySerial library (http://pyserial.sourceforge.net/)
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\ parses human readable parameters and translates them into the correct hex commands
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> parses human readable parameters and translates them into the correct hex commands
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> e.g: >> update --> 0x8000 0x00000000
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e.g: >> update --> 0x8000 0x00000000
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\ include a basic 'help' menu
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include a basic 'help' menu
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\ define your commands
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\ Customize your script
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\ DEFINE the number of registers to expect back after an update
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> define your commands
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> DEFINE the number of registers to expect back after an update
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\ Browse to you script folder
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> from a shell type: python py_serial_control.py
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> enjoy ! :)
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\ to be implemented:
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\ to be implemented:
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> load parameters and commands from files
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> load parameters and commands from files
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> improve readback print on screen formatting
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> improve readback print on screen formatting
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> make a generic nregister readout
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> make a generic nregister readout
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py_serial il Linux friendly! :)
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py_serial il Linux friendly! :)
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