URL
https://opencores.org/ocsvn/neorv32/neorv32/trunk
[/] [neorv32/] [trunk/] [sw/] [image_gen/] [uart_upload.sh] - Diff between revs 34 and 62
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| Rev 34 |
Rev 62 |
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Line 6... |
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if [ $# -ne 2 ]
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if [ $# -ne 2 ]
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then
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then
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echo "Upload image via serial port (UART) to the NEORV32 bootloader."
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echo "Upload image via serial port (UART) to the NEORV32 bootloader."
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echo "Reset processor before starting the upload."
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echo "Reset processor before starting the upload."
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echo "Usage: [sudo] sh uart_upload.sh <tty> <file>"
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echo "Usage: [sudo] sh uart_upload.sh <port> <NEORV32 executable>"
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echo "Example: sh uart_upload.sh /dev/ttyS6 neorv32_exe.bin"
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echo "Example: sh uart_upload.sh /dev/ttyS6 neorv32_exe.bin"
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exit
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exit
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fi
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fi
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# configure serial port
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# configure serial port
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# trigger fast upload mode and get response
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# trigger fast upload mode and get response
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exec 3<$1 # redirect serial output to fd 3
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exec 3<$1 # redirect serial output to fd 3
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cat <&3 > uart_upload.response.dat & # redirect serial output to file
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cat <&3 > uart_upload.response.dat & # redirect serial output to file
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PID=$! # save pid to kill cat
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PID=$! # save pid to kill cat
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printf "#" > $1 # send fast/silent upload to serial port
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printf "u" > $1 # send upload command to serial port
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sleep 0.5s # wait for bootloader response
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sleep 0.5s # wait for bootloader response
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kill $PID # kill cat process
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kill $PID # kill cat process
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exec 3<&- # free fd 3
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exec 3<&- # free fd 3
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