✨ SERIAL_DMA (for some STM32Fx) (MarlinFirmware#26328)

SceoanTech · Apr 26, 2024 · 1c47fc0 · 1c47fc0
1 parent 5170d27
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Showing 7 changed files with 614 additions and 36 deletions.
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
@@ -2488,6 +2488,15 @@
 // For serial echo, the number of digits after the decimal point
 //#define SERIAL_FLOAT_PRECISION 4
 
+/**
+ * This feature is EXPERIMENTAL so use with caution and test thoroughly.
+ * Enable this option to receive data on the serial ports via the onboard DMA
+ * controller for more stable and reliable high-speed serial communication.
+ * Only some STM32 MCUs are currently supported.
+ * Note: This has no effect on emulated USB serial ports.
+ */
+//#define SERIAL_DMA
+
 /**
  * Set the number of proportional font spaces required to fill up a typical character space.
  * This can help to better align the output of commands like `G29 O` Mesh Output.