Add HAL for HC32

.github/workflows/test-builds.yml

@@ -137,6 +137,9 @@ jobs:
         # STM32G0
         - STM32G0B1RE_btt
 
+        # HC32
+        - HC32F460C_aquila_101
+
         # LPC176x - Lengthy tests
         - LPC1768
         - LPC1769

Marlin/src/HAL/HC32/HAL.cpp

@@ -0,0 +1,56 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2023 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/>.
+ *
+ */
+
+#ifdef ARDUINO_ARCH_HC32
+
+#include "HAL.h"
+#include <core_hooks.h>
+#include <drivers/panic/panic.h>
+
+//
+// Emergency Parser
+//
+#if ENABLED(EMERGENCY_PARSER)
+
+extern "C" void core_hook_usart_rx_irq(uint8_t ch, uint8_t usart) {
+  // Only handle receive on host serial ports
+  if (false
+    #ifdef SERIAL_PORT
+      || usart != SERIAL_PORT
+    #endif
+    #ifdef SERIAL_PORT_2
+      || usart != SERIAL_PORT_2
+    #endif
+    #ifdef SERIAL_PORT_3
+      || usart != SERIAL_PORT_3
+    #endif
+  ) {
+    return;
+  }
+
+  // Submit character to emergency parser
+  if (MYSERIAL1.emergency_parser_enabled())
+    emergency_parser.update(MYSERIAL1.emergency_state, ch);
+}
+
+#endif // EMERGENCY_PARSER
+#endif // ARDUINO_ARCH_HC32

Marlin/src/HAL/HC32/HAL.h

@@ -0,0 +1,154 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2023 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/>.
+ *
+ */
+
+/**
+ * HAL for HC32F460 based boards
+ *
+ * Note: MarlinHAL class is in MarlinHAL.h/cpp
+ */
+
+#define CPU_32_BIT
+
+#include "../../inc/MarlinConfig.h"
+
+#include "../../core/macros.h"
+#include "../shared/Marduino.h"
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
+
+#include "fastio.h"
+#include "timers.h"
+#include "MarlinSerial.h"
+
+#include <stdint.h>
+
+//
+// Serial Ports
+//
+#define _MSERIAL(X) MSerial##X
+#define MSERIAL(X) _MSERIAL(X)
+#define NUM_UARTS 4
+
+#if SERIAL_PORT == -1
+  #error "USB Serial is not supported on HC32F460"
+#elif WITHIN(SERIAL_PORT, 1, NUM_UARTS)
+  #define MYSERIAL1 MSERIAL(SERIAL_PORT)
+#else
+  #define MYSERIAL1 MSERIAL(1) // Dummy port
+  static_assert(false, "SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ".")
+#endif
+
+#ifdef SERIAL_PORT_2
+  #if SERIAL_PORT_2 == -1
+    #error "USB Serial is not supported on HC32F460"
+  #elif WITHIN(SERIAL_PORT_2, 1, NUM_UARTS)
+    #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
+  #else
+    #define MYSERIAL2 MSERIAL(1) // Dummy port
+    static_assert(false, "SERIAL_PORT_2 must be from 1 to " STRINGIFY(NUM_UARTS) ".")
+  #endif
+#endif
+
+#ifdef SERIAL_PORT_3
+  #if SERIAL_PORT_3 == -1
+    #error "USB Serial is not supported on HC32F460"
+  #elif WITHIN(SERIAL_PORT_3, 1, NUM_UARTS)
+    #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #else
+    #define MYSERIAL3 MSERIAL(1) // Dummy port
+    static_assert(false, "SERIAL_PORT_3 must be from 1 to " STRINGIFY(NUM_UARTS) ".")
+  #endif
+#endif
+
+#ifdef LCD_SERIAL_PORT
+  #if LCD_SERIAL_PORT == -1
+    #error "USB Serial is not supported on HC32F460"
+  #elif WITHIN(LCD_SERIAL_PORT, 1, NUM_UARTS)
+    #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
+  #else
+    #define LCD_SERIAL MSERIAL(1) // Dummy port
+    static_assert(false, "LCD_SERIAL_PORT must be from 1 to " STRINGIFY(NUM_UARTS) ".")
+  #endif
+
+  #if HAS_DGUS_LCD
+    #define LCD_SERIAL_TX_BUFFER_FREE() LCD_SERIAL.availableForWrite()
+  #endif
+#endif
+
+//
+// Emergency Parser
+//
+#if ENABLED(EMERGENCY_PARSER)
+  extern "C" void usart_rx_irq_hook(uint8_t ch, uint8_t usart);
+#endif
+
+//
+// Misc. Defines
+//
+#define square(x) ((x) * (x))
+
+#ifndef strncpy_P
+  #define strncpy_P(dest, src, num) strncpy((dest), (src), (num))
+#endif
+
+//
+// Misc. Functions
+//
+#ifndef analogInputToDigitalPin
+#define analogInputToDigitalPin(p) (p)
+#endif
+
+#define CRITICAL_SECTION_START        \
+  uint32_t primask = __get_PRIMASK(); \
+  (void)__iCliRetVal()
+
+#define CRITICAL_SECTION_END \
+  if (!primask)              \
+  (void)__iSeiRetVal()
+
+// Disable interrupts
+#define cli() noInterrupts()
+
+// Enable interrupts
+#define sei() interrupts()
+
+// bss_end alias
+#define __bss_end __bss_end__
+
+// Fix bug in pgm_read_ptr
+#undef pgm_read_ptr
+#define pgm_read_ptr(addr) (*(addr))
+
+//
+// ADC
+//
+#define HAL_ADC_VREF_MV 3300
+#define HAL_ADC_RESOLUTION 10
+
+#define GET_PIN_MAP_PIN(index) index
+#define GET_PIN_MAP_INDEX(pin) pin
+#define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
+
+//
+// MarlinHAL implementation
+//
+#include "MarlinHAL.h"