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Add M905 R for setting the E/D ratio directly

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Scott Lahteine 2017-04-16 18:42:05 -05:00 committed by Scott Lahteine
parent 69dfa54a84
commit eb2d073dae
1 changed files with 21 additions and 15 deletions
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36
Marlin/Marlin_main.cpp
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@ -8797,28 +8797,34 @@ inline void gcode_M503() {
#if ENABLED(LIN_ADVANCE) #if ENABLED(LIN_ADVANCE)
/** /**
* M905: Set advance factor * M905: Set and/or Get advance K factor and WH/D ratio
*
* K<factor> Set advance K factor
* R<ratio> Set ratio directly (overrides WH/D)
* W<width> H<height> D<diam> Set ratio from WH/D
*/ */
inline void gcode_M905() { inline void gcode_M905() {
stepper.synchronize(); stepper.synchronize();
const float newK = code_seen('K') ? code_value_float() : -1, const float newK = code_seen('K') ? code_value_float() : -1;
newD = code_seen('D') ? code_value_float() : -1, if (newK >= 0) planner.set_extruder_advance_k(newK);
float newR = code_seen('R') ? code_value_float() : -1;
if (newR < 0) {
const float newD = code_seen('D') ? code_value_float() : -1,
newW = code_seen('W') ? code_value_float() : -1, newW = code_seen('W') ? code_value_float() : -1,
newH = code_seen('H') ? code_value_float() : -1; newH = code_seen('H') ? code_value_float() : -1;
if (newD >= 0 && newW >= 0 && newH >= 0)
if (newK >= 0.0) planner.set_extruder_advance_k(newK); newR = newD ? (newW * newH) / (sq(newD * 0.5) * M_PI) : 0;
SERIAL_ECHO_START;
SERIAL_ECHOLNPAIR("Advance factor: ", planner.get_extruder_advance_k());
if (newD >= 0 || newW >= 0 || newH >= 0) {
const float ratio = (!newD || !newW || !newH) ? 0 : (newW * newH) / (sq(newD * 0.5) * M_PI);
planner.set_advance_ed_ratio(ratio);
SERIAL_ECHO_START;
SERIAL_ECHOPGM("E/D ratio: ");
if (ratio) SERIAL_ECHOLN(ratio); else SERIAL_ECHOLNPGM("Automatic");
} }
if (newR >= 0) planner.set_advance_ed_ratio(newR);
SERIAL_ECHO_START;
SERIAL_ECHOPAIR("Advance K=", planner.get_extruder_advance_k());
SERIAL_ECHOPGM(" E/D=");
const float ratio = planner.get_advance_ed_ratio();
ratio ? SERIAL_ECHO(ratio) : SERIAL_ECHOPGM("Auto");
SERIAL_EOL;
} }
#endif // LIN_ADVANCE #endif // LIN_ADVANCE