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Merge pull request #433 from whosawhatsis/bang-mode 

Separate PID_MAX from BANG_MAX
hackerspace-green
ErikZalm 2013-03-25 13:11:34 -07:00
parent aa816ee81c fd5b7e0cec
commit 9fb8bd5685
2 changed files with 4 additions and 3 deletions
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3
Marlin/Configuration.h
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@ -118,7 +118,8 @@
// PID settings:
// Comment the following line to disable PID and enable bang-bang.
#define PIDTEMP
#define PID_MAX 256 // limits current to nozzle; 256=full current
#define BANG_MAX 256 // limits current to nozzle while in bang-bang mode; 256=full current
#define PID_MAX 256 // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 256=full current
#ifdef PIDTEMP
//#define PID_DEBUG // Sends debug data to the serial port.
//#define PID_OPENLOOP 1 // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX

4
Marlin/temperature.cpp
View File

@ -325,10 +325,10 @@ void manage_heater()
#ifndef PID_OPENLOOP
pid_error[e] = target_temperature[e] - pid_input;
if(pid_error[e] > PID_FUNCTIONAL_RANGE) {
pid_output = PID_MAX;
pid_output = BANG_MAX;
pid_reset[e] = true;
}
else if(pid_error[e] < -PID_FUNCTIONAL_RANGE) {
else if(pid_error[e] < -PID_FUNCTIONAL_RANGE || target_temperature[e] == 0) {
pid_output = 0;
pid_reset[e] = true;
}