3DPrinting/MarlinFirmware
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issue 968 for dev branch

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try, try again.

If 'OK' is garbled on sending PC won't receive it.  Both machines will
wait on each other forever.  This resends OK if nothing is heard from PC
for a while to avoid this bad case.
This commit is contained in:
Dan Royer 2015-01-04 12:17:46 -08:00
parent d2b6e62996
commit 9472bbe51d
1 changed files with 16 additions and 1 deletions
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17
Marlin/Marlin_main.cpp
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@ -376,6 +376,7 @@ const int sensitive_pins[] = SENSITIVE_PINS; // Sensitive pin list for M42
//Inactivity shutdown variables
static unsigned long previous_millis_cmd = 0;
static unsigned long previous_millis_ok = 0;
static unsigned long max_inactive_time = 0;
static unsigned long stepper_inactive_time = DEFAULT_STEPPER_DEACTIVE_TIME*1000l;
@ -645,6 +646,7 @@ void loop()
else
{
SERIAL_PROTOCOLLNPGM(MSG_OK);
previous_millis_ok = millis();
}
}
else
@ -3155,12 +3157,13 @@ Sigma_Exit:
}
}
else if (servo_index >= 0) {
SERIAL_PROTOCOL(MSG_OK);
SERIAL_PROTOCOL(MSG_OK);
SERIAL_PROTOCOL(" Servo ");
SERIAL_PROTOCOL(servo_index);
SERIAL_PROTOCOL(": ");
SERIAL_PROTOCOL(servos[servo_index].read());
SERIAL_PROTOCOLLN("");
previous_millis_ok = millis();
}
}
break;
@ -3235,6 +3238,7 @@ Sigma_Exit:
SERIAL_PROTOCOL(" d:");
SERIAL_PROTOCOL(unscalePID_d(bedKd));
SERIAL_PROTOCOLLN("");
previous_millis_ok = millis();
}
break;
#endif //PIDTEMP
@ -3525,6 +3529,7 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM(MSG_ZPROBE_ZOFFSET " " MSG_OK);
SERIAL_PROTOCOLLN("");
previous_millis_ok = millis();
}
else
{
@ -3911,6 +3916,7 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
ClearToSend();
}
void FlushSerialRequestResend()
{
//char cmdbuffer[bufindr][100]="Resend:";
@ -3928,6 +3934,7 @@ void ClearToSend()
return;
#endif //SDSUPPORT
SERIAL_PROTOCOLLNPGM(MSG_OK);
previous_millis_ok = millis();
}
void get_coordinates()
@ -4352,6 +4359,14 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) //default argument s
if( (millis() - previous_millis_cmd) > max_inactive_time )
if(max_inactive_time)
kill();
// If 'OK' is garbled on sending PC won't receive it. Both machines will wait on each other forever.
// This resends OK if nothing is heard from PC for a while to avoid this bad case.
if( (millis() - previous_millis_ok) > max_inactive_time/4 ) {
SERIAL_PROTOCOL(MSG_OK);
previous_millis_ok=millis();
}
if(stepper_inactive_time) {
if( (millis() - previous_millis_cmd) > stepper_inactive_time )
{