Add h723 baremetal cubemx stack/heap reporting

tutorials/stm32/nucleo-h723zg/cubemx/Core/Src/main.c

@@ -84,6 +84,17 @@ static void MX_USART3_UART_Init(void);
 
 /* Private user code ---------------------------------------------------------*/
 /* USER CODE BEGIN 0 */
+size_t hal_get_heap(void) {
+  extern void *_sbrk(ptrdiff_t incr);
+  extern unsigned char _end;  // Start of heap, see linker script
+  return (size_t) ((uintptr_t) _sbrk(0) - (uintptr_t) &_end);
+}
+
+size_t hal_get_stack(void) {
+  extern unsigned char _estack;  // Initial stack pointer, see linker script
+  return (size_t) ((uintptr_t) &_estack - (uintptr_t) __get_MSP());
+}
+
 static void log_fn(char ch, void *param) {
   HAL_UART_Transmit(param, (unsigned char *) &ch, 1, HAL_MAX_DELAY);
 }

tutorials/stm32/nucleo-h723zg/cubemx/mongoose/mongoose_config.h

@@ -1,6 +1,21 @@
 #pragma once
+#include <stddef.h>
+#include <stdint.h>
+
 #define MG_ARCH MG_ARCH_CUBE
 
+// Current memory usage in bytes
+size_t hal_get_heap(void);
+size_t hal_get_stack(void);
+#define MG_HEALTH_HEAP_USED hal_get_heap()
+#define MG_HEALTH_STACK_USED hal_get_stack()
+
+extern uint32_t _Min_Stack_Size;
+extern unsigned char _end, _sstack;
+#define MG_HEALTH_STACK_TOTAL ((size_t) (uintptr_t) &_Min_Stack_Size)
+#define MG_HEALTH_HEAP_TOTAL \
+  ((size_t) ((uintptr_t) &_sstack - (uintptr_t) &_end))
+
 // Ethernet driver tunables:
 // #define MG_DRIVER_MDC_CR 4   // RMII MDC clock divider, from 0 to 5
 // #define MG_TCPIP_PHY_ADDR 0  // PHY address