Merge remote-tracking branch 'GurliGebis/HostKeepAlive' into HostKeepAlive

This commit is contained in:
PavelSindler 2017-08-15 16:44:25 +02:00
commit 2b657ba786
3 changed files with 95 additions and 1 deletions

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@ -463,7 +463,13 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
// please keep turned on if you can.
//#define EEPROM_CHITCHAT
// Host Keepalive
//
// When enabled Marlin will send a busy status message to the host
// every couple of seconds when it can't accept commands.
//
#define HOST_KEEPALIVE_FEATURE // Disable this if your host doesn't like keepalive messages
#define HOST_KEEPALIVE_INTERVAL 2 // Number of seconds between "busy" messages. Set with M113.
//LCD and SD support
#define ULTRA_LCD //general LCD support, also 16x2

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@ -109,6 +109,8 @@ FORCE_INLINE void serialprintPGM(const char *str)
}
}
#define NOMORE(v,n) do{ if (v > n) v = n; }while(0)
bool is_buffer_empty();
void get_command();
void process_commands();
@ -281,6 +283,10 @@ extern float retract_length, retract_length_swap, retract_feedrate, retract_zlif
extern float retract_recover_length, retract_recover_length_swap, retract_recover_feedrate;
#endif
#ifdef HOST_KEEPALIVE_FEATURE
extern uint8_t host_keepalive_interval;
#endif
extern unsigned long starttime;
extern unsigned long stoptime;
extern int bowden_length[4];

View File

@ -150,6 +150,7 @@
// Rxxx Wait for extruder current temp to reach target temp. Waits when heating and cooling
// IF AUTOTEMP is enabled, S<mintemp> B<maxtemp> F<factor>. Exit autotemp by any M109 without F
// M112 - Emergency stop
// M113 - Get or set the timeout interval for Host Keepalive "busy" messages
// M114 - Output current position to serial port
// M115 - Capabilities string
// M117 - display message
@ -370,6 +371,26 @@ int fanSpeed=0;
bool cancel_heatup = false ;
#ifdef HOST_KEEPALIVE_FEATURE
// States for managing Marlin and host communication
// Marlin sends messages if blocked or busy
enum MarlinBusyState {
NOT_BUSY, // Not in a handler
IN_HANDLER, // Processing a GCode
IN_PROCESS, // Known to be blocking command input (as in G29)
PAUSED_FOR_USER, // Blocking pending any input
PAUSED_FOR_INPUT // Blocking pending text input (concept)
};
static MarlinBusyState busy_state = NOT_BUSY;
static long prev_busy_signal_ms = -1;
uint8_t host_keepalive_interval = HOST_KEEPALIVE_INTERVAL;
#define KEEPALIVE_STATE(n) do { busy_state = n; } while (0)
#else
#define host_keepalive();
#define KEEPALIVE_STATE(n);
#endif
#ifdef FILAMENT_SENSOR
//Variables for Filament Sensor input
float filament_width_nominal=DEFAULT_NOMINAL_FILAMENT_DIA; //Set nominal filament width, can be changed with M404
@ -1321,6 +1342,35 @@ int serial_read_stream() {
}
}
#ifdef HOST_KEEPALIVE_FEATURE
/**
* Output a "busy" message at regular intervals
* while the machine is not accepting commands.
*/
void host_keepalive() {
long ms = millis();
if (host_keepalive_interval && busy_state != NOT_BUSY) {
if (ms - prev_busy_signal_ms < 1000UL * host_keepalive_interval) return;
switch (busy_state) {
case IN_HANDLER:
case IN_PROCESS:
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM("busy: processing");
break;
case PAUSED_FOR_USER:
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM("busy: paused for user");
break;
case PAUSED_FOR_INPUT:
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM("busy: paused for input");
break;
}
}
prev_busy_signal_ms = ms;
}
#endif
// The loop() function is called in an endless loop by the Arduino framework from the default main() routine.
// Before loop(), the setup() function is called by the main() routine.
void loop()
@ -1382,6 +1432,7 @@ void loop()
manage_heater();
isPrintPaused ? manage_inactivity(true) : manage_inactivity(false);
checkHitEndstops();
host_keepalive();
lcd_update();
}
@ -2084,6 +2135,8 @@ void process_commands()
float tmp_motor_loud[3] = DEFAULT_PWM_MOTOR_CURRENT_LOUD;
int8_t SilentMode;
#endif
KEEPALIVE_STATE(IN_HANDLER);
if (code_seen("M117")) { //moved to highest priority place to be able to to print strings which includes "G", "PRUSA" and "^"
starpos = (strchr(strchr_pointer + 5, '*'));
if (starpos != NULL)
@ -2441,6 +2494,8 @@ void process_commands()
case 28: //G28 Home all Axis one at a time
homing_flag = true;
KEEPALIVE_STATE(IN_HANDLER);
#ifdef ENABLE_AUTO_BED_LEVELING
plan_bed_level_matrix.set_to_identity(); //Reset the plane ("erase" all leveling data)
#endif //ENABLE_AUTO_BED_LEVELING
@ -3494,20 +3549,24 @@ void process_commands()
previous_millis_cmd = millis();
if (codenum > 0){
codenum += millis(); // keep track of when we started waiting
KEEPALIVE_STATE(PAUSED_FOR_USER);
while(millis() < codenum && !lcd_clicked()){
manage_heater();
manage_inactivity(true);
lcd_update();
}
KEEPALIVE_STATE(IN_HANDLER);
lcd_ignore_click(false);
}else{
if (!lcd_detected())
break;
KEEPALIVE_STATE(PAUSED_FOR_USER);
while(!lcd_clicked()){
manage_heater();
manage_inactivity(true);
lcd_update();
}
KEEPALIVE_STATE(IN_HANDLER);
}
if (IS_SD_PRINTING)
LCD_MESSAGERPGM(MSG_RESUMING);
@ -4212,6 +4271,7 @@ Sigma_Exit:
}}
#endif
SERIAL_PROTOCOLLN("");
KEEPALIVE_STATE(NOT_BUSY);
return;
break;
case 109:
@ -4249,11 +4309,14 @@ Sigma_Exit:
/* See if we are heating up or cooling down */
target_direction = isHeatingHotend(tmp_extruder); // true if heating, false if cooling
KEEPALIVE_STATE(NOT_BUSY);
cancel_heatup = false;
wait_for_heater(codenum); //loops until target temperature is reached
LCD_MESSAGERPGM(MSG_HEATING_COMPLETE);
KEEPALIVE_STATE(IN_HANDLER);
heating_status = 2;
if (farm_mode) { prusa_statistics(2); };
@ -4281,6 +4344,7 @@ Sigma_Exit:
cancel_heatup = false;
target_direction = isHeatingBed(); // true if heating, false if cooling
KEEPALIVE_STATE(NOT_BUSY);
while ( (target_direction)&&(!cancel_heatup) ? (isHeatingBed()) : (isCoolingBed()&&(CooldownNoWait==false)) )
{
if(( millis() - codenum) > 1000 ) //Print Temp Reading every 1 second while heating up.
@ -4303,6 +4367,7 @@ Sigma_Exit:
lcd_update();
}
LCD_MESSAGERPGM(MSG_BED_DONE);
KEEPALIVE_STATE(IN_HANDLER);
heating_status = 4;
previous_millis_cmd = millis();
@ -4446,6 +4511,17 @@ Sigma_Exit:
else
gcode_LastN = 0;
break;
#ifdef HOST_KEEPALIVE_FEATURE
case 113: // M113 - Get or set Host Keepalive interval
if (code_seen('S')) {
host_keepalive_interval = (uint8_t)code_value_short();
NOMORE(host_keepalive_interval, 60);
} else {
SERIAL_ECHO_START;
SERIAL_ECHOPAIR("M113 S", (unsigned long)host_keepalive_interval);
SERIAL_PROTOCOLLN("");
}
#endif
case 115: // M115
if (code_seen('V')) {
// Report the Prusa version number.
@ -4993,6 +5069,8 @@ Sigma_Exit:
temp=70;
if (code_seen('S')) temp=code_value();
if (code_seen('C')) c=code_value();
KEEPALIVE_STATE(NOT_BUSY);
PID_autotune(temp, e, c);
}
break;
@ -5270,6 +5348,7 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
int counterBeep = 0;
lcd_wait_interact();
load_filament_time = millis();
KEEPALIVE_STATE(PAUSED_FOR_USER);
while(!lcd_clicked()){
cnt++;
@ -5306,6 +5385,7 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
}
}
KEEPALIVE_STATE(IN_HANDLER);
WRITE(BEEPER, LOW);
#ifdef SNMM
display_loading();
@ -5770,6 +5850,8 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
SERIAL_ECHOLNPGM("\"");
}
KEEPALIVE_STATE(NOT_BUSY);
ClearToSend();
}