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Add "P" parameter to M302

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This commit is contained in:
Scott Lahteine 2016-07-06 08:28:09 -07:00
parent a5bae3c7d5
commit d4c68279c8
3 changed files with 31 additions and 3 deletions
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30
Marlin/Marlin_main.cpp
View File

@ -5703,10 +5703,36 @@ inline void gcode_M226() {
#if ENABLED(PREVENT_DANGEROUS_EXTRUDE)
/**
* M302: Allow cold extrudes, or set the minimum extrude S<temperature>.
* M302: Allow cold extrudes, or set the minimum extrude temperature
*
* S<temperature> sets the minimum extrude temperature
* P<bool> enables (1) or disables (0) cold extrusion
*
* Examples:
*
* M302 ; report current cold extrusion state
* M302 P0 ; enable cold extrusion checking
* M302 P1 ; disables cold extrusion checking
* M302 S0 ; always allow extrusion (disables checking)
* M302 S170 ; only allow extrusion above 170
* M302 S170 P1 ; set min extrude temp to 170 but leave disabled
*/
inline void gcode_M302() {
thermalManager.extrude_min_temp = code_seen('S') ? code_value_temp_abs() : 0;
bool seen_S = code_seen('S');
if (seen_S) {
thermalManager.extrude_min_temp = code_value_temp_abs();
thermalManager.allow_cold_extrude = (thermalManager.extrude_min_temp == 0);
}
if (code_seen('P'))
thermalManager.allow_cold_extrude = (thermalManager.extrude_min_temp == 0) || code_value_bool();
else if (!seen_S) {
// Report current state
SERIAL_ECHO_START;
SERIAL_ECHOPAIR("Cold extrudes are ", (thermalManager.allow_cold_extrude ? "en" : "dis"));
SERIAL_ECHOPAIR("abled (min temp ", int(thermalManager.extrude_min_temp + 0.5));
SERIAL_ECHOLNPGM("C)");
}
}
#endif // PREVENT_DANGEROUS_EXTRUDE

1
Marlin/temperature.cpp
View File

@ -107,6 +107,7 @@ unsigned char Temperature::soft_pwm_bed;
#endif
#if ENABLED(PREVENT_DANGEROUS_EXTRUDE)
bool Temperature::allow_cold_extrude = false;
float Temperature::extrude_min_temp = EXTRUDE_MINTEMP;
#endif

3
Marlin/temperature.h
View File

@ -121,12 +121,13 @@ class Temperature {
#endif
#if ENABLED(PREVENT_DANGEROUS_EXTRUDE)
static bool allow_cold_extrude;
static float extrude_min_temp;
static bool tooColdToExtrude(uint8_t e) {
#if HOTENDS == 1
UNUSED(e);
#endif
return degHotend(HOTEND_INDEX) < extrude_min_temp;
return allow_cold_extrude ? false : degHotend(HOTEND_INDEX) < extrude_min_temp;
}
#else
static bool tooColdToExtrude(uint8_t e) { UNUSED(e); return false; }