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MMU2 S Mode spins the BMG gears during C0 (#19429)

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Trocololo 2020-09-26 03:28:01 +02:00 committed by Scott Lahteine
parent e26edbc623
commit def328eec1
1 changed files with 44 additions and 23 deletions
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53
Marlin/src/feature/mmu2/mmu2.cpp
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@ -54,6 +54,8 @@ MMU2 mmu2;
#define MMU_CMD_TIMEOUT 45000UL // 45s timeout for mmu commands (except P0)
#define MMU_P0_TIMEOUT 3000UL // Timeout for P0 command: 3seconds
#define MMU2_COMMAND(S) tx_str_P(PSTR(S "\n"))
#if ENABLED(MMU_EXTRUDER_SENSOR)
uint8_t mmu_idl_sens = 0;
static bool mmu_loading_flag = false;
@ -152,7 +154,7 @@ void MMU2::reset() {
safe_delay(20);
WRITE(MMU2_RST_PIN, HIGH);
#else
tx_str_P(PSTR("X0\n")); // Send soft reset
MMU2_COMMAND("X0"); // Send soft reset
#endif
}
@ -175,9 +177,7 @@ void MMU2::mmu_loop() {
DEBUG_ECHOLNPGM("MMU => 'start'");
DEBUG_ECHOLNPGM("MMU <= 'S1'");
// send "read version" request
tx_str_P(PSTR("S1\n"));
MMU2_COMMAND("S1"); // Read Version
state = -2;
}
else if (millis() > 3000000) {
@ -192,7 +192,7 @@ void MMU2::mmu_loop() {
DEBUG_ECHOLNPAIR("MMU => ", version, "\nMMU <= 'S2'");
tx_str_P(PSTR("S2\n")); // read build number
MMU2_COMMAND("S2"); // Read Build Number
state = -3;
}
break;
@ -208,13 +208,13 @@ void MMU2::mmu_loop() {
#if ENABLED(MMU2_MODE_12V)
DEBUG_ECHOLNPGM("MMU <= 'M1'");
tx_str_P(PSTR("M1\n")); // switch to stealth mode
MMU2_COMMAND("M1"); // Stealth Mode
state = -5;
#else
DEBUG_ECHOLNPGM("MMU <= 'P0'");
tx_str_P(PSTR("P0\n")); // read finda
MMU2_COMMAND("P0"); // Read FINDA
state = -4;
#endif
}
@ -228,7 +228,7 @@ void MMU2::mmu_loop() {
DEBUG_ECHOLNPGM("MMU <= 'P0'");
tx_str_P(PSTR("P0\n")); // read finda
MMU2_COMMAND("P0"); // Read FINDA
state = -4;
}
break;
@ -266,14 +266,14 @@ void MMU2::mmu_loop() {
else if (cmd == MMU_CMD_C0) {
// continue loading
DEBUG_ECHOLNPGM("MMU <= 'C0'");
tx_str_P(PSTR("C0\n"));
MMU2_COMMAND("C0");
state = 3; // wait for response
}
else if (cmd == MMU_CMD_U0) {
// unload current
DEBUG_ECHOLNPGM("MMU <= 'U0'");
tx_str_P(PSTR("U0\n"));
MMU2_COMMAND("U0");
state = 3; // wait for response
}
else if (WITHIN(cmd, MMU_CMD_E0, MMU_CMD_E4)) {
@ -286,7 +286,7 @@ void MMU2::mmu_loop() {
else if (cmd == MMU_CMD_R0) {
// recover after eject
DEBUG_ECHOLNPGM("MMU <= 'R0'");
tx_str_P(PSTR("R0\n"));
MMU2_COMMAND("R0");
state = 3; // wait for response
}
else if (WITHIN(cmd, MMU_CMD_F0, MMU_CMD_F4)) {
@ -303,8 +303,7 @@ void MMU2::mmu_loop() {
cmd = MMU_CMD_NONE;
}
else if (ELAPSED(millis(), prev_P0_request + 300)) {
// read FINDA
tx_str_P(PSTR("P0\n"));
MMU2_COMMAND("P0"); // Read FINDA
state = 2; // wait for response
}
@ -332,20 +331,33 @@ void MMU2::mmu_loop() {
#if ENABLED(MMU_EXTRUDER_SENSOR)
if (mmu_idl_sens) {
if (FILAMENT_PRESENT() && mmu_loading_flag) {
DEBUG_ECHOLNPGM("MMU <= 'A'\n");
tx_str_P(PSTR("A\n")); // send 'abort' request
DEBUG_ECHOLNPGM("MMU <= 'A'");
MMU2_COMMAND("A"); // send 'abort' request
mmu_idl_sens = 0;
DEBUG_ECHOLNPGM("MMU IDLER_SENSOR = 0 - ABORT\n");
DEBUG_ECHOLNPGM("MMU IDLER_SENSOR = 0 - ABORT");
}
}
#endif
if (rx_ok()) {
// response to C0 mmu command in PRUSA_MMU2_S_MODE
bool can_reset = true;
if (ENABLED(PRUSA_MMU2_S_MODE) && last_cmd == MMU_CMD_C0) {
if (!mmu2s_triggered) {
can_reset = false;
// MMU ok received but filament sensor not triggered, retrying...
DEBUG_ECHOLNPGM("MMU => 'ok' (filament not present in gears)");
DEBUG_ECHOLNPGM("MMU <= 'C0' (keep trying)");
MMU2_COMMAND("C0");
}
}
if (can_reset) {
DEBUG_ECHOLNPGM("MMU => 'ok'");
ready = true;
state = 1;
last_cmd = MMU_CMD_NONE;
}
}
else if (ELAPSED(millis(), prev_request + MMU_CMD_TIMEOUT)) {
// resend request after timeout
if (last_cmd) {
@ -862,10 +874,19 @@ void MMU2::filament_runout() {
void MMU2::check_filament() {
const bool present = FILAMENT_PRESENT();
if (cmd == MMU_CMD_NONE && last_cmd == MMU_CMD_C0) {
if (present && !mmu2s_triggered) {
DEBUG_ECHOLNPGM("MMU <= 'A'");
tx_str_P(PSTR("A\n"));
}
// Slowly spin the extruder during C0
else {
while (planner.movesplanned() < 3) {
current_position.e += 0.25;
line_to_current_position(MMM_TO_MMS(120));
}
}
}
mmu2s_triggered = present;
}