From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit
---
Marlin/src/gcode/config/M575.cpp | 75 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
create mode 100644 Marlin/src/gcode/config/M575.cpp
(limited to 'Marlin/src/gcode/config/M575.cpp')
diff --git a/Marlin/src/gcode/config/M575.cpp b/Marlin/src/gcode/config/M575.cpp
new file mode 100644
index 0000000..44723b7
--- /dev/null
+++ b/Marlin/src/gcode/config/M575.cpp
@@ -0,0 +1,75 @@
+/**
+ * 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 .
+ *
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(BAUD_RATE_GCODE)
+
+#include "../gcode.h"
+
+/**
+ * M575 - Change serial baud rate
+ *
+ * P - Serial port index. Omit for all.
+ * B - Baud rate (bits per second)
+ */
+void GcodeSuite::M575() {
+ int32_t baud = parser.ulongval('B');
+ switch (baud) {
+ case 24:
+ case 96:
+ case 192:
+ case 384:
+ case 576:
+ case 1152: baud *= 100; break;
+ case 250:
+ case 500: baud *= 1000; break;
+ case 19: baud = 19200; break;
+ case 38: baud = 38400; break;
+ case 57: baud = 57600; break;
+ case 115: baud = 115200; break;
+ }
+ switch (baud) {
+ case 2400: case 9600: case 19200: case 38400: case 57600:
+ case 115200: case 250000: case 500000: case 1000000: {
+ const int8_t port = parser.intval('P', -99);
+ const bool set0 = (port == -99 || port == 0);
+ if (set0) SERIAL_ECHO_MSG(" Serial ", '0', " baud rate set to ", baud);
+ #if HAS_MULTI_SERIAL
+ const bool set1 = (port == -99 || port == 1);
+ if (set1) SERIAL_ECHO_MSG(" Serial ", '1', " baud rate set to ", baud);
+ #endif
+
+ SERIAL_FLUSH();
+
+ if (set0) { MYSERIAL0.end(); MYSERIAL0.begin(baud); }
+
+ #if HAS_MULTI_SERIAL
+ if (set1) { MYSERIAL1.end(); MYSERIAL1.begin(baud); }
+ #endif
+
+ } break;
+ default: SERIAL_ECHO_MSG("?(B)aud rate implausible.");
+ }
+}
+
+#endif // BAUD_RATE_GCODE
--
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