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ChibiOS memory helper functions.

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This commit is contained in:
Jared Boone 2016-02-12 13:52:22 -08:00
parent c72a443738
commit 4321deee1e
2 changed files with 27 additions and 0 deletions
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20
firmware/common/chibios_cpp.cpp
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@ -21,6 +21,8 @@
#include "chibios_cpp.hpp"
#include <cstdint>
#include <ch.h>
void* operator new(size_t size) {
@ -38,3 +40,21 @@ void operator delete(void* p) noexcept {
void operator delete[](void* p) noexcept {
chHeapFree(p);
}
extern uint8_t __heap_base__[];
extern uint8_t __heap_end__[];
namespace chibios {
size_t heap_size() {
return __heap_end__ - __heap_base__;
}
size_t heap_used() {
const auto core_free = chCoreStatus();
size_t heap_free = 0;
chHeapStatus(NULL, &heap_free);
return heap_size() - (core_free + heap_free);
}
} /* namespace chibios */