stevech
Joined: 23 Feb 2006
Posts: 657
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Posted: 30 January 2007, 5:17 AM Post subject: DTR-less download from the IDE's menu |
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The following text, placed in the user options file (use the editor menu to open the user options file) - invokes the version 2 zload program and downloads without using the DTR. Useful for downloading via ethernet or WiFi to serial converters.
| Code: | command.name.0.*=ZLoad COM4 Go
command.mode.0.*=subsystem:console,savebefore:no
command.shortcut.0.*=F12
command.0.*=$(SciteDefaultHome)\..\zload -c4 -a4 -v "$(project.dir)\$(project.name).zxb"
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the -a4 tells it to use ASCII 4 for the download trigger command. My application has this code in its startup, to setup this:
| Code: | Dim ATNChar as Persistent Byte Based &H0013
if ATNchar <> &h04 then ' enable DTR-less download
ATNChar = &H04 ' set the ZBasic DTR-less download ATN character = ctrl-d
end if |
Since the ATNchar is in EEPROM, this is an if/endif to reduce EPROM writing. You must store all-ones into that location to disable DTR-less downloading - e.g., if ASCII 4 will appear in your application's data stream.
the -c4 is the COM port number (a virtual com port in my case).
NOTE: The IDE's debugger cannot also have COM4 open when you start this download. Close it using the options menu before doing the download. We need a way for this menu choice to run ZLoad to force the IDE to close the serial port it's using. I guess that will come when there's a more fully integrated DTR-less download built-in. |
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