InfiniSim/sim/FreeRTOS.cpp

46 lines
1.1 KiB
C++

#include "FreeRTOS.h"
#include <numeric>
#include <unordered_map>
#include <stdio.h>
#include <stdlib.h>
void NVIC_SystemReset(void) {}
void APP_ERROR_HANDLER(int err) {
fprintf(stderr, "APP_ERROR_HANDLER: %d", err);
}
namespace {
std::unordered_map<void *, size_t> allocatedMemory;
size_t currentFreeHeap = configTOTAL_HEAP_SIZE;
size_t minimumEverFreeHeap = configTOTAL_HEAP_SIZE;
}
void *pvPortMalloc( size_t xWantedSize ) {
void* ptr = malloc(xWantedSize);
allocatedMemory[ptr] = xWantedSize;
const size_t currentSize = std::accumulate(
allocatedMemory.begin(), allocatedMemory.end(), 0,
[](const size_t lhs, const std::pair<void*, size_t>& item){
return lhs + item.second;
});
currentFreeHeap = configTOTAL_HEAP_SIZE - currentSize;
minimumEverFreeHeap = std::min(currentFreeHeap, minimumEverFreeHeap);
return ptr;
}
void vPortFree( void *pv ) {
allocatedMemory.erase(pv);
return free(pv);
}
size_t xPortGetFreeHeapSize(void) {
return currentFreeHeap;
}
size_t xPortGetMinimumEverFreeHeapSize(void) {
return minimumEverFreeHeap;
}