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Send a Busy signal to hosts during long processes, wait for input, etc

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If Marlin is blocking the serial input or command queue for any length
of time (for example more than 2 seconds), it needs to send a message
to serial out to inform the host that it is busy. Marlin should only
send these messages out when busy, and preferably not when trying to
print formatted output.
This commit is contained in:
Scott Lahteine
2016-03-07 03:48:14 -08:00
parent 7d25c107a8
commit 7ec7bb31c4
22 changed files with 234 additions and 3 deletions
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8
Marlin/example_configurations/tvrrug/Round2/Configuration.h
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@ -640,6 +640,14 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
#define EEPROM_CHITCHAT // Please keep turned on if you can.
#endif
//
// Host Keepalive
//
// By default Marlin will send a busy status message to the host
// every 2 seconds when it can't accept commands.
//
//#define DISABLE_HOST_KEEPALIVE // Enable this option if your host doesn't like keepalive messages.
//
// M100 Free Memory Watcher
//