Files
meshtastic_firmware/src/memGet.cpp
T
Thomas GöttgensandGitHub 023351a979 Remove dead code (#11082)
Removed:
- MessageStore::addFromPacket and addFromString, superseded by
  tryAddFromPacket
- GeoCoord rangeRadiansToMeters, distanceTo, bearingTo
- Router::rawSend, declared virtual with no override and no caller
- ContentHandler handleHotspot, handleFs, handleAdminSettings,
  handleAdminSettingsApply, handleDeleteFsContent and their commented
  route registrations, plus the now unreachable htmlDeleteDir and the
  handleUpdateFs declaration that had no definition
- ContentHelper replaceAll
- OnScreenKeyboardModule popup chain: showPopup, clearPopup, drawPopup,
  drawPopupOverlay and their state, unreachable since the frame based UI
  was replaced by baseUI
- DebugRenderer drawDebugInfoTrampoline, drawDebugInfoSettingsTrampoline
  and the orphaned drawFrameSettings
- NodeListRenderer calculateMaxScroll, drawColumns and a stale extern
  haveGlyphs declaration with no definition
- UIRenderer::haveGlyphs, Screen::blink,
  NotificationRenderer::showKeyboardMessagePopupWithTitle,
  VirtualKeyboard::getInputText
- InkHUD touchNavLeft, touchNavRight, Applet::getActiveNodeCount,
  ThreadedMessageApplet::saveMessagesToFlash
- TwoButton::setHandlerUp, TwoButtonExtended setHandlerUp,
  setJoystickDownHandlers, setJoystickUpHandlers
- CannedMessageModule LaunchRepeatDestination, isCharInputAllowed,
  hasMessages
- TrafficManagementModule resetStats, recordRouterHopPreserved,
  saturatingIncrement
- UnitConversions::MetersPerSecondToMilesPerHour
- EncryptedStorage getSessionRemainingSeconds
- BMI270Sensor::writeRegisters, GPS::hasFlow, FSCommon copyFile,
  SerialConsole consolePrintf, buzz playLongPressLeadUp,
  memGet displayPercentHeapFree
2026-07-20 11:55:17 +02:00

110 lines
2.9 KiB
C++

/**
* @file memGet.cpp
* @brief Implementation of MemGet class that provides functions to get memory information.
*
* This file contains the implementation of MemGet class that provides functions to get
* information about free heap, heap size, free psram and psram size. The functions are
* implemented for ESP32 and NRF52 architectures. If the platform does not have heap
* management function implemented, the functions return UINT32_MAX or 0.
*/
#include "memGet.h"
#include "configuration.h"
#if defined(MESHTASTIC_DYNAMIC_SBRK_HEAP)
#include <malloc.h>
#include <unistd.h> // sbrk
#if defined(ARCH_STM32)
// Returns the uncommitted sbrk headroom: addressable space between the current heap
// break and the stack pointer that has not yet been committed to the arena.
static uint32_t sbrkHeadroom()
{
// defined in STM32 linker script
extern char _estack;
extern char _Min_Stack_Size;
uint32_t max_sp = (uint32_t)(&_estack - &_Min_Stack_Size);
uint32_t heap_end = (uint32_t)sbrk(0);
return (max_sp > heap_end) ? (max_sp - heap_end) : 0;
}
#else
#error Unsupported architecture!
#endif
#endif
MemGet memGet;
/**
* Returns the amount of free heap memory in bytes.
* @return uint32_t The amount of free heap memory in bytes.
*/
uint32_t MemGet::getFreeHeap()
{
#ifdef ARCH_ESP32
return ESP.getFreeHeap();
#elif defined(ARCH_NRF52)
return dbgHeapFree();
#elif defined(ARCH_RP2040)
return rp2040.getFreeHeap();
#elif defined(MESHTASTIC_DYNAMIC_SBRK_HEAP) // Currently: ARCH_STM32WL
struct mallinfo m = mallinfo();
return m.fordblks + sbrkHeadroom(); // Free space within arena + uncommitted sbrk headroom
#else
// this platform does not have heap management function implemented
return UINT32_MAX;
#endif
}
/**
* Returns the size of the heap memory in bytes.
* @return uint32_t The size of the heap memory in bytes.
*/
uint32_t MemGet::getHeapSize()
{
#ifdef ARCH_ESP32
return ESP.getHeapSize();
#elif defined(ARCH_NRF52)
return dbgHeapTotal();
#elif defined(ARCH_RP2040)
return rp2040.getTotalHeap();
#elif defined(MESHTASTIC_DYNAMIC_SBRK_HEAP) // Currently: ARCH_STM32WL
struct mallinfo m = mallinfo();
return m.arena + sbrkHeadroom(); // Non-mmapped space allocated + uncommitted sbrk headroom
#else
// this platform does not have heap management function implemented
return UINT32_MAX;
#endif
}
/**
* Returns the amount of free psram memory in bytes.
*
* @return The amount of free psram memory in bytes.
*/
uint32_t MemGet::getFreePsram()
{
#ifdef ARCH_ESP32
return ESP.getFreePsram();
#elif defined(ARCH_PORTDUINO)
return 4194252;
#else
return 0;
#endif
}
/**
* @brief Returns the size of the PSRAM memory.
*
* @return uint32_t The size of the PSRAM memory.
*/
uint32_t MemGet::getPsramSize()
{
#ifdef ARCH_ESP32
return ESP.getPsramSize();
#elif defined(ARCH_PORTDUINO)
return 4194252;
#else
return 0;
#endif
}