Use LPC Ethernet Buffer for Input Shaping

Co-authored-by: ellensp <[email protected]> Co-authored-by: p3p <[email protected]>
MarlinFirmware · Jun 28, 2023 · 803ce05 · 803ce05
1 parent be18edd
commit 803ce05
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
@@ -247,7 +247,11 @@ uint32_t Stepper::advance_divisor = 0,
 
 #if HAS_ZV_SHAPING
   shaping_time_t      ShapingQueue::now = 0;
-  shaping_time_t      ShapingQueue::times[shaping_echoes];
+  #if NOT_TARGET(MCU_LPC1768, MCU_LPC1769)
+    shaping_time_t    ShapingQueue::times[shaping_echoes];
+  #else
+    shaping_time_t    ShapingQueue::times[shaping_echoes] __attribute__((section("AHBSRAM1"),aligned)); // Unused LPC ethernet buffer: https://github.com/MarlinFirmware/Marlin/issues/25432#issuecomment-1450420638
+  #endif
   shaping_echo_axis_t ShapingQueue::echo_axes[shaping_echoes];
   uint16_t            ShapingQueue::tail = 0;