1 files changed, 77 insertions, 0 deletions
diff --git a/Marlin/src/gcode/control/M111.cpp b/Marlin/src/gcode/control/M111.cpp
new file mode 100644
index 0000000..38cb065
--- /dev/null
+++ b/Marlin/src/gcode/control/M111.cpp
@@ -0,0 +1,77 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../gcode.h"
+
+/**
+ * M111: Set the debug level
+ */
+void GcodeSuite::M111() {
+  if (parser.seen('S')) marlin_debug_flags = parser.byteval('S');
+
+  static PGMSTR(str_debug_1, STR_DEBUG_ECHO);
+  static PGMSTR(str_debug_2, STR_DEBUG_INFO);
+  static PGMSTR(str_debug_4, STR_DEBUG_ERRORS);
+  static PGMSTR(str_debug_8, STR_DEBUG_DRYRUN);
+  static PGMSTR(str_debug_16, STR_DEBUG_COMMUNICATION);
+  #if ENABLED(DEBUG_LEVELING_FEATURE)
+    static PGMSTR(str_debug_lvl, STR_DEBUG_LEVELING);
+  #endif
+
+  static PGM_P const debug_strings[] PROGMEM = {
+    str_debug_1, str_debug_2, str_debug_4, str_debug_8, str_debug_16,
+    TERN_(DEBUG_LEVELING_FEATURE, str_debug_lvl)
+  };
+
+  SERIAL_ECHO_START();
+  SERIAL_ECHOPGM(STR_DEBUG_PREFIX);
+  if (marlin_debug_flags) {
+    uint8_t comma = 0;
+    LOOP_L_N(i, COUNT(debug_strings)) {
+      if (TEST(marlin_debug_flags, i)) {
+        if (comma++) SERIAL_CHAR(',');
+        serialprintPGM((char*)pgm_read_ptr(&debug_strings[i]));
+      }
+    }
+  }
+  else {
+    SERIAL_ECHOPGM(STR_DEBUG_OFF);
+    #if !defined(__AVR__) || !defined(USBCON)
+      #if ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS)
+        SERIAL_ECHOPAIR("\nBuffer Overruns: ", MYSERIAL0.buffer_overruns());
+      #endif
+
+      #if ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS)
+        SERIAL_ECHOPAIR("\nFraming Errors: ", MYSERIAL0.framing_errors());
+      #endif
+
+      #if ENABLED(SERIAL_STATS_DROPPED_RX)
+        SERIAL_ECHOPAIR("\nDropped bytes: ", MYSERIAL0.dropped());
+      #endif
+
+      #if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
+        SERIAL_ECHOPAIR("\nMax RX Queue Size: ", MYSERIAL0.rxMaxEnqueued());
+      #endif
+    #endif // !__AVR__ || !USBCON
+  }
+  SERIAL_EOL();
+}