mirror of
https://github.com/meshtastic/firmware.git
synced 2026-08-01 10:58:30 -04:00
023351a979
Removed: - MessageStore::addFromPacket and addFromString, superseded by tryAddFromPacket - GeoCoord rangeRadiansToMeters, distanceTo, bearingTo - Router::rawSend, declared virtual with no override and no caller - ContentHandler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
110 lines
2.9 KiB
C++
110 lines
2.9 KiB
C++
/**
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* @file memGet.cpp
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* @brief Implementation of MemGet class that provides functions to get memory information.
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*
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* This file contains the implementation of MemGet class that provides functions to get
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* information about free heap, heap size, free psram and psram size. The functions are
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* implemented for ESP32 and NRF52 architectures. If the platform does not have heap
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* management function implemented, the functions return UINT32_MAX or 0.
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*/
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#include "memGet.h"
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#include "configuration.h"
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#if defined(MESHTASTIC_DYNAMIC_SBRK_HEAP)
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#include <malloc.h>
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#include <unistd.h> // sbrk
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#if defined(ARCH_STM32)
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// Returns the uncommitted sbrk headroom: addressable space between the current heap
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// break and the stack pointer that has not yet been committed to the arena.
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static uint32_t sbrkHeadroom()
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{
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// defined in STM32 linker script
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extern char _estack;
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extern char _Min_Stack_Size;
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uint32_t max_sp = (uint32_t)(&_estack - &_Min_Stack_Size);
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uint32_t heap_end = (uint32_t)sbrk(0);
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return (max_sp > heap_end) ? (max_sp - heap_end) : 0;
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}
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#else
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#error Unsupported architecture!
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#endif
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#endif
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MemGet memGet;
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/**
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* Returns the amount of free heap memory in bytes.
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* @return uint32_t The amount of free heap memory in bytes.
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*/
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uint32_t MemGet::getFreeHeap()
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{
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#ifdef ARCH_ESP32
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return ESP.getFreeHeap();
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#elif defined(ARCH_NRF52)
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return dbgHeapFree();
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#elif defined(ARCH_RP2040)
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return rp2040.getFreeHeap();
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#elif defined(MESHTASTIC_DYNAMIC_SBRK_HEAP) // Currently: ARCH_STM32WL
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struct mallinfo m = mallinfo();
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return m.fordblks + sbrkHeadroom(); // Free space within arena + uncommitted sbrk headroom
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#else
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// this platform does not have heap management function implemented
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return UINT32_MAX;
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#endif
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}
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/**
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* Returns the size of the heap memory in bytes.
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* @return uint32_t The size of the heap memory in bytes.
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*/
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uint32_t MemGet::getHeapSize()
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{
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#ifdef ARCH_ESP32
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return ESP.getHeapSize();
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#elif defined(ARCH_NRF52)
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return dbgHeapTotal();
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#elif defined(ARCH_RP2040)
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return rp2040.getTotalHeap();
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#elif defined(MESHTASTIC_DYNAMIC_SBRK_HEAP) // Currently: ARCH_STM32WL
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struct mallinfo m = mallinfo();
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return m.arena + sbrkHeadroom(); // Non-mmapped space allocated + uncommitted sbrk headroom
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#else
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// this platform does not have heap management function implemented
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return UINT32_MAX;
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#endif
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}
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/**
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* Returns the amount of free psram memory in bytes.
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*
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* @return The amount of free psram memory in bytes.
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*/
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uint32_t MemGet::getFreePsram()
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{
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#ifdef ARCH_ESP32
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return ESP.getFreePsram();
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#elif defined(ARCH_PORTDUINO)
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return 4194252;
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#else
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return 0;
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#endif
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}
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/**
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* @brief Returns the size of the PSRAM memory.
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*
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* @return uint32_t The size of the PSRAM memory.
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*/
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uint32_t MemGet::getPsramSize()
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{
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#ifdef ARCH_ESP32
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return ESP.getPsramSize();
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#elif defined(ARCH_PORTDUINO)
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return 4194252;
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#else
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return 0;
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#endif
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}
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