✨ BigTreeTech SKR mini E3 V3.0 (STM32G0B1RET6) (#23283)

Marlin/src/HAL/STM32/HAL.h

@@ -130,7 +130,11 @@
 // Types
 // ------------------------
 
-typedef int16_t pin_t;
+#ifdef STM32G0B1xx
+  typedef int32_t pin_t;
+#else
+  typedef int16_t pin_t;
+#endif
 
 #define HAL_SERVO_LIB libServo
 #define PAUSE_SERVO_OUTPUT() libServo::pause_all_servos()

Marlin/src/HAL/STM32/HAL_MinSerial.cpp

@@ -135,7 +135,7 @@ void install_min_serial() {
   HAL_min_serial_out = &TX;
 }
 
-#if DISABLED(DYNAMIC_VECTORTABLE) && DISABLED(STM32F0xx) // Cortex M0 can't jump to a symbol that's too far from the current function, so we work around this in exception_arm.cpp
+#if NONE(DYNAMIC_VECTORTABLE, STM32F0xx, STM32G0xx) // Cortex M0 can't jump to a symbol that's too far from the current function, so we work around this in exception_arm.cpp
 extern "C" {
   __attribute__((naked)) void JumpHandler_ASM() {
     __asm__ __volatile__ (

Marlin/src/HAL/STM32/timers.cpp

@@ -67,7 +67,7 @@
   #endif
 #endif
 
-#ifdef STM32F0xx
+#if defined(STM32F0xx) || defined(STM32G0xx)
   #define MCU_STEP_TIMER 16
   #define MCU_TEMP_TIMER 17
 #elif defined(STM32F1xx)

Marlin/src/HAL/shared/backtrace/unwmemaccess.cpp

@@ -41,7 +41,7 @@
   #define START_FLASH_ADDR  0x00000000
   #define END_FLASH_ADDR    0x00080000
 
-#elif defined(__STM32F1__) || defined(STM32F1xx) || defined(STM32F0xx)
+#elif defined(__STM32F1__) || defined(STM32F1xx) || defined(STM32F0xx) || defined(STM32G0xx)
 
   // For STM32F103ZET6/STM32F103VET6/STM32F0xx
   //  SRAM  (0x20000000 - 0x20010000) (64kb)

Marlin/src/HAL/shared/cpu_exception/exception_arm.cpp

@@ -101,7 +101,7 @@ struct __attribute__((packed)) ContextSavedFrame {
   uint32_t ELR;
 };
 
-#if DISABLED(STM32F0xx)
+#if NONE(STM32F0xx, STM32G0xx)
   extern "C"
   __attribute__((naked)) void CommonHandler_ASM() {
     __asm__ __volatile__ (