From 468cf2e1764d39726a7efe69ba091133981403bc Mon Sep 17 00:00:00 2001
From: classicrocker883 <andrewleduc88@yahoo.com>
Date: Sat, 6 Apr 2024 06:46:03 -0400
Subject: [PATCH] Update - HC32 not compiling - revert changes

---
 Marlin/src/HAL/HC32/app_config.h      | 12 ++++++------
 Marlin/src/HAL/HC32/inc/SanityCheck.h |  5 +++++
 ini/hc32.ini                          | 25 ++++++++++++++++---------
 3 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/Marlin/src/HAL/HC32/app_config.h b/Marlin/src/HAL/HC32/app_config.h
index 2619535360..cb99b7f9bc 100644
--- a/Marlin/src/HAL/HC32/app_config.h
+++ b/Marlin/src/HAL/HC32/app_config.h
@@ -3,11 +3,11 @@
  * it is used to configure the arduino core (and ddl) automatically according
  * to the settings in Configuration.h and Configuration_adv.h.
  */
-#pragma once
-#ifndef _HC32_APP_CONFIG_H_
-#define _HC32_APP_CONFIG_H_
-
-#include "../../inc/MarlinConfigPre.h"
+// #pragma once
+// #ifndef _HC32_APP_CONFIG_H_
+// #define _HC32_APP_CONFIG_H_
+//
+// #include "../../inc/MarlinConfigPre.h"
 
 //
 // dev mode
@@ -67,4 +67,4 @@
 // FIXME override F_CPU to PCLK1, as marlin freaks out otherwise
 #define F_CPU (SYSTEM_CLOCK_FREQUENCIES.pclk1)
 
-#endif // _HC32_APP_CONFIG_H_
\ No newline at end of file
+// #endif // _HC32_APP_CONFIG_H_
\ No newline at end of file
diff --git a/Marlin/src/HAL/HC32/inc/SanityCheck.h b/Marlin/src/HAL/HC32/inc/SanityCheck.h
index af0a91ad8b..6b12e4d047 100644
--- a/Marlin/src/HAL/HC32/inc/SanityCheck.h
+++ b/Marlin/src/HAL/HC32/inc/SanityCheck.h
@@ -94,6 +94,11 @@
     #error "SERIAL_DMA requires USART_RX_DMA_SUPPORT to be enabled in the arduino core."
   #endif
 
+  // USART_RX_DMA_SUPPORT does not implement core_hook_usart_rx_irq, which is required for the emergency parser
+  #if ENABLED(EMERGENCY_PARSER)
+    #error "EMERGENCY_PARSER is not supported with SERIAL_DMA. Please disable either SERIAL_DMA or EMERGENCY_PARSER."
+  #endif
+
   #if ARDUINO_CORE_VERSION_INT < GET_VERSION_INT(1, 1, 0)
     #error "SERIAL_DMA is not supported with arduino core version < 1.1.0."
   #endif
diff --git a/ini/hc32.ini b/ini/hc32.ini
index 531ae8105d..f7cf075375 100644
--- a/ini/hc32.ini
+++ b/ini/hc32.ini
@@ -33,16 +33,23 @@ build_src_filter = ${common.default_src_filter} +<src/HAL/HC32> +<src/HAL/shared
 build_type       = release
 build_flags      =
   -D ARDUINO_ARCH_HC32
-  -D PLATFORM_M997_SUPPORT  # Enable M997 command
-                            # note: ddl and arduino debug mode are
-                            # automatically enabled with MARLIN_DEV_MODE
-  #-D __DEBUG               # force DDL debug mode
-  #-D __CORE_DEBUG          # force Arduino core debug mode
-  #-D DDL_STACK_SIZE=0x800
-  #-D DDL_HEAP_SIZE=0x1000
+  -D REDIRECT_PRINTF_TO_SERIAL              # Redirect core-provided printf to host serial
+  -D F_CPU=SYSTEM_CLOCK_FREQUENCIES.pclk1   # Override F_CPU to PCLK1, as marlin freaks out otherwise...
+  -D PLATFORM_M997_SUPPORT                  # Enable M997 command
+
+  # DDL / Arduino Configuration
+  -D DISABLE_SERIAL_GLOBALS                 # Disable global Serial objects, we use our own
+  -D CORE_DISABLE_FAULT_HANDLER             # Disable arduino core fault handler (we use our own)
+
+  # DDL / Arduino Debug Options
+  #-D __DEBUG                               # DDL debug mode
+  #-D __CORE_DEBUG                          # Arduino core debug mode
+  -D PANIC_ENABLE                           # enable custom panic handlers (in MinSerial)
+  # options to reduce debug mode footprint (-16K; messages are less verbose)
+  -D __DEBUG_SHORT_FILENAMES                # Use short filenames in DDL debug output
+  -D __PANIC_SHORT_FILENAMES                # Use short filenames in core panic output
+  -D __OMIT_PANIC_MESSAGE                   # Omit panic messages in core panic output
 
-# hc32 app configuration file
-board_build.app_config = Marlin/src/HAL/HC32/app_config.h
 # Drivers and Middleware required by the HC32 HAL
 board_build.ddl.ots    = true
 board_build.ddl.sdioc  = true