anpaza commented on a change in pull request #459: stm32h7: support SDRAM via
FMC peripherial
URL: https://github.com/apache/incubator-nuttx/pull/459#discussion_r390207163
##########
File path: arch/arm/src/stm32h7/stm32_allocateheap.c
##########
@@ -246,6 +249,14 @@ void up_allocate_heap(FAR void **heap_start, size_t
*heap_size)
up_heap_color(*heap_start, *heap_size);
#endif
+
+#if defined(CONFIG_DEBUG_FEATURES)
+
+ /* Display memory ranges to help debugging */
+
+ _info("%uKb of SRAM at %p\n", *heap_size / 1024, *heap_start);
Review comment:
Tried compiling all stm32h7 targets:
stm32h747i-disco:nsh
nucleo-h743zi:nsh
nucleo-h743zi:nxlines_oled
nucleo-h743zi:pwm
without FMC they compile fine, with FMC enable they won't compile because
their board.h does not define the respective macros, needed to configure FMC
for their board (for example, BOARD_FMC_GPIO_CONFIGS should list the GPIOs used
for external memories, without it FMC has no sense).
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