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added inactivity shutdown timer

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tonokip 2010-05-03 06:57:40 -07:00
parent bf28a693a3
commit abffc3fb26
1 changed files with 16 additions and 7 deletions
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23
Tonokip_Firmware/Tonokip_Firmware.pde
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@ -28,7 +28,7 @@
// M82 - Set E codes absolute (default)
// M83 - Set E codes relative while in Absolute Coordinates (G90) mode
// M84 - Disable steppers until next move
// M85 - Set inactivity shutdown timer with parameter S<seconds>. To disable set zero (default)
//Stepper Movement Variables
bool direction_x, direction_y, direction_z, direction_e;
@ -55,7 +55,9 @@ char *strchr_pointer; // just a pointer to find chars in the cmd string like X,
int target_raw = 0;
int current_raw;
//Inactivity shutdown variables
unsigned long previous_millis_cmd=0;
unsigned long max_inactive_time = 0;
void setup()
{
@ -94,6 +96,9 @@ void loop()
{
get_command();
manage_heater();
//shutdown if not receiving any new commands
if( (millis()-previous_millis_cmd) > max_inactive_time ) if(max_inactive_time) kill();
}
inline void get_command()
@ -278,10 +283,9 @@ inline void process_commands()
if (code_seen('S')) target_raw = temp2analog(code_value());
break;
case 105: // M105
Serial.print("T:");
Serial.println( analog2temp(analogRead(TEMP_0_PIN)) );
if(code_seen('N')) Serial.println("ok"); // If M105 is sent from generated gcode, then it needs a response.
return; //If RepSnapper sends the M105 then DON'T respond "ok".
Serial.print("T:");
Serial.println( analog2temp(analogRead(TEMP_0_PIN)) );
if(!code_seen('N')) return; // If M105 is sent from generated gcode, then it needs a response.
break;
case 109: // M109 - Wait for heater to reach target.
if (code_seen('S')) target_raw = temp2analog(code_value());
@ -314,6 +318,10 @@ inline void process_commands()
disable_z();
disable_e();
break;
case 85: // M85
code_seen('S');
max_inactive_time = code_value()*1000;
break;
}
}
@ -332,6 +340,7 @@ inline void FlushSerialRequestResend()
inline void ClearToSend()
{
previous_millis_cmd = millis();
Serial.println("ok");
}
@ -565,7 +574,7 @@ inline void kill()
while(1)
{
Serial.print("Fatal Exception Shutdown, Last Line: ");
Serial.print("Shutdown, Last Line: ");
Serial.println(gcode_LastN);
delay(5000); // 5 Second delay
}