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Merge pull request #75 from alexrj/cooling-temp-residency

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Cooling temp residency
This commit is contained in:
kliment 2011-08-25 12:02:07 -07:00
commit bc9e0b7a5e
1 changed files with 22 additions and 48 deletions
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70
Sprinter/Sprinter.pde
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@ -787,7 +787,7 @@ inline void process_commands()
#endif #endif
return; return;
//break; //break;
case 109: // M109 - Wait for extruder heater to reach target. case 109: { // M109 - Wait for extruder heater to reach target.
if (code_seen('S')) target_raw = temp2analogh(code_value()); if (code_seen('S')) target_raw = temp2analogh(code_value());
#ifdef WATCHPERIOD #ifdef WATCHPERIOD
if(target_raw>current_raw){ if(target_raw>current_raw){
@ -798,65 +798,39 @@ inline void process_commands()
} }
#endif #endif
codenum = millis(); codenum = millis();
/* See if we are heating up or cooling down */ /* See if we are heating up or cooling down */
if( current_raw < target_raw ) bool target_direction = (current_raw < target_raw); // true if heating, false if cooling
/* We are heating up */
#ifdef TEMP_RESIDENCY_TIME #ifdef TEMP_RESIDENCY_TIME
long residencyStart; long residencyStart;
residencyStart = -1; residencyStart = -1;
/* continue to loop until we have reached the target temp /* continue to loop until we have reached the target temp
_and_ until TEMP_RESIDENCY_TIME hasn't passed since we reached it */ _and_ until TEMP_RESIDENCY_TIME hasn't passed since we reached it */
while( current_raw < target_raw while( (target_direction ? (current_raw < target_raw) : (current_raw > target_raw))
|| (residencyStart > -1 && (millis() - residencyStart) < TEMP_RESIDENCY_TIME*1000) ) { || (residencyStart > -1 && (millis() - residencyStart) < TEMP_RESIDENCY_TIME*1000) ) {
#else #else
while(current_raw < target_raw) { while ( target_direction ? (current_raw < target_raw) : (current_raw > target_raw) ) {
#endif #endif
if( (millis() - codenum) > 1000 ) //Print Temp Reading every 1 second while heating up. if( (millis() - codenum) > 1000 ) //Print Temp Reading every 1 second while heating up/cooling down
{
Serial.print("T:");
Serial.println( analog2temp(current_raw) );
codenum = millis();
}
manage_heater();
#ifdef TEMP_RESIDENCY_TIME
/* start/restart the TEMP_RESIDENCY_TIME timer whenever we reach target temp for the first time
or when current temp falls outside the hysteresis after target temp was reached */
if ( (residencyStart == -1 && current_raw >= target_raw)
|| (residencyStart > -1 && labs(analog2temp(current_raw) - analog2temp(target_raw)) > TEMP_HYSTERESIS) ) {
residencyStart = millis();
}
#endif
}
else if( current_raw > target_raw )
/* We are cooling down */
#ifdef TEMP_RESIDENCY_TIME
long residencyStart;
residencyStart = -1;
/* continue to loop until we have reached the target temp
_and_ until TEMP_RESIDENCY_TIME hasn't passed since we reached it */
while( current_raw > target_raw
|| (residencyStart > -1 && (millis() - residencyStart) < TEMP_RESIDENCY_TIME*1000) ) {
#else
while(current_raw > target_raw) {
#endif
if( (millis() - codenum) > 1000 ) //Print Temp Reading every 1 second while heating up.
{ {
Serial.print("T:"); Serial.print("T:");
Serial.println( analog2temp(current_raw) ); Serial.println( analog2temp(current_raw) );
codenum = millis(); codenum = millis();
} }
manage_heater(); manage_heater();
#ifdef TEMP_RESIDENCY_TIME #ifdef TEMP_RESIDENCY_TIME
/* start/restart the TEMP_RESIDENCY_TIME timer whenever we reach target temp for the first time /* start/restart the TEMP_RESIDENCY_TIME timer whenever we reach target temp for the first time
or when current temp falls outside the hysteresis after target temp was reached */ or when current temp falls outside the hysteresis after target temp was reached */
if ( (residencyStart == -1 && current_raw <= target_raw) if ( (residencyStart == -1 && target_direction && current_raw >= target_raw)
|| (residencyStart == -1 && !target_direction && current_raw <= target_raw)
|| (residencyStart > -1 && labs(analog2temp(current_raw) - analog2temp(target_raw)) > TEMP_HYSTERESIS) ) { || (residencyStart > -1 && labs(analog2temp(current_raw) - analog2temp(target_raw)) > TEMP_HYSTERESIS) ) {
residencyStart = millis(); residencyStart = millis();
} }
#endif #endif
} }
}
break; break;
case 190: // M190 - Wait bed for heater to reach target. case 190: // M190 - Wait bed for heater to reach target.
#if TEMP_1_PIN > -1 #if TEMP_1_PIN > -1
if (code_seen('S')) target_bed_raw = temp2analogh(code_value()); if (code_seen('S')) target_bed_raw = temp2analogh(code_value());