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fix(RAM): define HTTP_METHOD_STR as static const to save RAM #9594

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merged 1 commit into from
May 8, 2024
Merged

fix(RAM): define HTTP_METHOD_STR as static const to save RAM #9594

merged 1 commit into from
May 8, 2024

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craiglink
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Description of Change

defines constant array as to strings as static const so that it moves from RAM to Flash

Tests scenarios

I have tested this using Arduino-esp32 core v2.0.16 running FluidNC - http://wiki.fluidnc.com/

This should be cherry-picked into the v2.0.x branch

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CLAassistant commented May 6, 2024 •
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github-actions bot commented May 6, 2024 •
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Warnings
⚠️

Some issues found for the commit messages in this PR:

  • the commit message "define HTTP_METHOD_STR as static const to save RAM":
    • summary looks empty
    • type/action looks empty

Please fix these commit messages - here are some basic tips:

  • follow Conventional Commits style
  • correct format of commit message should be: <type/action>(<scope/component>): <summary>, for example fix(esp32): Fixed startup timeout issue
  • allowed types are: change,ci,docs,feat,fix,refactor,remove,revert,test
  • sufficiently descriptive message summary should be between 20 to 72 characters and start with upper case letter
  • avoid Jira references in commit messages (unavailable/irrelevant for our customers)

TIP: Install pre-commit hooks and run this check when committing (uses the Conventional Precommit Linter).

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@craiglink craiglink mentioned this pull request May 6, 2024
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@lucasssvaz lucasssvaz added the Status: Pending CLA ⚠️ Contributor is required to sign the CLA label May 7, 2024
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github-actions bot commented May 7, 2024

Memory usage test (comparing PR against master branch)

The table below shows the summary of memory usage change (decrease - increase) in bytes and percentage for each target.

MemoryFLASH [bytes]FLASH [%]RAM [bytes]RAM [%]
TargetDECINCDECINCDECINCDECINC
ESP32S3💚 -16⚠️ +160.000.00💚 -1440💚 -0.380.00
ESP32S2💚 -1600.000.00💚 -1440💚 -0.420.00
ESP32C3💚 -64⚠️ +12💚 -0.010.00💚 -1360💚 -0.410.00
ESP32C6💚 -52⚠️ +120.000.00💚 -1360💚 -0.370.00
ESP32H2000.000.00000.000.00
ESP32💚 -16⚠️ +160.000.00💚 -1440💚 -0.340.00
Click to expand the detailed deltas report [usage change in BYTES]
TargetESP32S3ESP32S2ESP32C3ESP32C6ESP32H2ESP32
ExampleFLASHRAMFLASHRAMFLASHRAMFLASHRAMFLASHRAMFLASHRAM
ArduinoOTA/examples/BasicOTA00000000--00
AsyncUDP/examples/AsyncUDPClient00000000--00
AsyncUDP/examples/AsyncUDPMulticastServer00000000--00
AsyncUDP/examples/AsyncUDPServer00000000--00
BLE/examples/BLE5_extended_scan00--000000--
BLE/examples/BLE5_multi_advertising00--000000--
BLE/examples/BLE5_periodic_advertising00--000000--
BLE/examples/BLE5_periodic_sync00--000000--
BLE/examples/Beacon_Scanner00--00000000
BLE/examples/Client00--00000000
BLE/examples/EddystoneTLM_Beacon00--0000--00
BLE/examples/EddystoneURL_Beacon00--0000--00
BLE/examples/Notify00--00000000
BLE/examples/Scan00--00000000
BLE/examples/Server00--00000000
BLE/examples/Server_multiconnect00--00000000
BLE/examples/UART00--00000000
BLE/examples/Write00--00000000
BLE/examples/iBeacon00--00000000
DNSServer/examples/CaptivePortal💚 -16💚 -1440💚 -144⚠️ +12💚 -128⚠️ +4💚 -136--0💚 -128
EEPROM/examples/eeprom_class000000000000
EEPROM/examples/eeprom_extra000000000000
EEPROM/examples/eeprom_write000000000000
ESP32/examples/AnalogOut/LEDCFade000000000000
ESP32/examples/AnalogOut/LEDCSoftwareFade000000000000
ESP32/examples/AnalogOut/SigmaDelta000000000000
ESP32/examples/AnalogOut/ledcFrequency000000000000
ESP32/examples/AnalogOut/ledcWrite_RGB000000000000
ESP32/examples/AnalogRead000000000000
ESP32/examples/AnalogReadContinuous000000000000
ESP32/examples/ArduinoStackSize000000000000
ESP32/examples/CI/CIBoardsTest000000000000
ESP32/examples/Camera/CameraWebServer0000------00
ESP32/examples/ChipID/GetChipID000000000000
ESP32/examples/DeepSleep/ExternalWakeUp0000------00
ESP32/examples/DeepSleep/TimerWakeUp00000000--00
ESP32/examples/DeepSleep/TouchWakeUp0000------00
ESP32/examples/FreeRTOS/BasicMultiThreading000000000000
ESP32/examples/FreeRTOS/Mutex000000000000
ESP32/examples/FreeRTOS/Queue000000000000
ESP32/examples/FreeRTOS/Semaphore000000000000
ESP32/examples/GPIO/BlinkRGB000000000000
ESP32/examples/GPIO/FunctionalInterrupt000000000000
ESP32/examples/GPIO/FunctionalInterruptStruct000000000000
ESP32/examples/GPIO/GPIOInterrupt000000000000
ESP32/examples/HWCDC_Events00--000000--
ESP32/examples/MacAddress/GetMacAddress000000000000
ESP32/examples/RMT/RMTCallback000000000000
ESP32/examples/RMT/RMTLoopback000000000000
ESP32/examples/RMT/RMTReadXJT000000000000
ESP32/examples/RMT/RMTWriteNeoPixel000000000000
ESP32/examples/RMT/RMT_CPUFreq_Test000000000000
ESP32/examples/RMT/RMT_EndOfTransmissionState000000000000
ESP32/examples/RMT/RMT_LED_Blink000000000000
ESP32/examples/ResetReason/ResetReason000000000000
ESP32/examples/ResetReason/ResetReason2000000000000
ESP32/examples/Serial/BaudRateDetect_Demo000000000000
ESP32/examples/Serial/OnReceiveError_BREAK_Demo000000000000
ESP32/examples/Serial/OnReceive_Demo000000000000
ESP32/examples/Serial/RS485_Echo_Demo000000000000
ESP32/examples/Serial/RxFIFOFull_Demo000000000000
ESP32/examples/Serial/RxTimeout_Demo000000000000
ESP32/examples/Serial/Serial_All_CPU_Freqs000000000000
ESP32/examples/Serial/Serial_STD_Func_OnReceive000000000000
ESP32/examples/Serial/onReceiveExample000000000000
ESP32/examples/TWAI/TWAIreceive000000000000
ESP32/examples/TWAI/TWAItransmit000000000000
ESP32/examples/Template/ExampleTemplate000000000000
ESP32/examples/Time/SimpleTime00000000--00
ESP32/examples/Timer/RepeatTimer000000000000
ESP32/examples/Timer/WatchdogTimer000000000000
ESP32/examples/Touch/TouchButtonV20000--------
ESP32/examples/Touch/TouchInterrupt0000------00
ESP32/examples/Touch/TouchRead0000------00
ESP32/examples/Utilities/HEXBuilder000000000000
ESP32/examples/Utilities/MD5Builder000000000000
ESP32/examples/Utilities/SHA1Builder000000000000
ESP_I2S/examples/ES8388_loopback000000000000
ESP_I2S/examples/Record_to_WAV00--------00
ESP_I2S/examples/Simple_tone000000000000
ESP_NOW/examples/ESP_NOW_Broadcast_Master00000000--00
ESP_NOW/examples/ESP_NOW_Broadcast_Slave00000000--00
ESP_NOW/examples/ESP_NOW_Network00000000--00
ESP_NOW/examples/ESP_NOW_Serial00000000--00
ESP_SR/examples/Basic00----------
ESPmDNS/examples/mDNS-SD_Extended00000000--00
ESPmDNS/examples/mDNS_Web_Server00000000--00
Ethernet/examples/ETH_W5500_Arduino_SPI000000000000
Ethernet/examples/ETH_W5500_IDF_SPI000000000000
FFat/examples/FFat_Test000000000000
FFat/examples/FFat_time00000000--00
HTTPClient/examples/Authorization00000000--00
HTTPClient/examples/BasicHttpClient00000000--00
HTTPClient/examples/BasicHttpsClient00000000--00
HTTPClient/examples/HTTPClientEnterprise00000000--00
HTTPClient/examples/ReuseConnection00000000--00
HTTPClient/examples/StreamHttpClient00000000--00
HTTPUpdate/examples/httpUpdate00000000--00
HTTPUpdate/examples/httpUpdateSPIFFS00000000--00
HTTPUpdate/examples/httpUpdateSecure00000000--00
HTTPUpdateServer/examples/WebUpdater⚠️ +16💚 -1280💚 -128💚 -48💚 -136⚠️ +12💚 -128--0💚 -128
Insights/examples/DiagnosticsSmokeTest000000----00
Insights/examples/MinimalDiagnostics000000----00
LittleFS/examples/LITTLEFS_test000000000000
LittleFS/examples/LITTLEFS_time00000000--00
NetBIOS/examples/ESP_NBNST00000000--00
NetworkClientSecure/examples/WiFiClientInsecure00000000--00
NetworkClientSecure/examples/WiFiClientPSK00000000--00
NetworkClientSecure/examples/WiFiClientSecure00000000--00
NetworkClientSecure/examples/WiFiClientSecureEnterprise00000000--00
NetworkClientSecure/examples/WiFiClientSecureProtocolUpgrade00000000--00
NetworkClientSecure/examples/WiFiClientShowPeerCredentials00000000--00
NetworkClientSecure/examples/WiFiClientTrustOnFirstUse00000000--00
PPP/examples/PPP_Basic000000000000
Preferences/examples/Prefs2Struct000000000000
Preferences/examples/StartCounter000000000000
RainMaker/examples/RMakerCustom000000----00
RainMaker/examples/RMakerCustomAirCooler000000----00
RainMaker/examples/RMakerSonoffDualR3000000----00
RainMaker/examples/RMakerSwitch000000----00
SD/examples/SD_Test000000000000
SD/examples/SD_time00000000--00
SD_MMC/examples/SDMMC_Test00--------00
SD_MMC/examples/SDMMC_time00--------00
SPI/examples/SPI_Multiple_Buses0000------00
SPIFFS/examples/SPIFFS_Test000000000000
SPIFFS/examples/SPIFFS_time00000000--00
SimpleBLE/examples/SimpleBleDevice00----000000
TFLiteMicro/examples/hello_world000000000000
TFLiteMicro/examples/micro_speech000000000000
Ticker/examples/Blinker000000000000
Ticker/examples/TickerBasic000000000000
Ticker/examples/TickerParameter000000000000
USB/examples/CompositeDevice0000--------
USB/examples/ConsumerControl0000--------
USB/examples/CustomHIDDevice0000--------
USB/examples/FirmwareMSC0000--------
USB/examples/Gamepad0000--------
USB/examples/HIDVendor0000--------
USB/examples/Keyboard/KeyboardLogout0000--------
USB/examples/Keyboard/KeyboardMessage0000--------
USB/examples/Keyboard/KeyboardReprogram0000--------
USB/examples/Keyboard/KeyboardSerial0000--------
USB/examples/KeyboardAndMouseControl0000--------
USB/examples/MIDI/MidiController0000--------
USB/examples/MIDI/MidiInterface0000--------
USB/examples/MIDI/MidiMusicBox0000--------
USB/examples/MIDI/ReceiveMidi0000--------
USB/examples/Mouse/ButtonMouseControl0000--------
USB/examples/SystemControl0000--------
USB/examples/USBMSC0000--------
USB/examples/USBSerial0000--------
USB/examples/USBVendor0000--------
Update/examples/AWS_S3_OTA_Update00000000--00
Update/examples/HTTPS_OTA_Update00000000--00
Update/examples/HTTP_Client_AES_OTA_Update00000000--00
Update/examples/HTTP_Server_AES_OTA_Update0💚 -1280💚 -128💚 -60💚 -136⚠️ +4💚 -128--0💚 -128
Update/examples/OTAWebUpdater⚠️ +16💚 -1280💚 -128💚 -48💚 -136⚠️ +12💚 -128--⚠️ +16💚 -128
Update/examples/SD_Update000000000000
WebServer/examples/AdvancedWebServer0💚 -1440💚 -144💚 -44💚 -128💚 -4💚 -136--💚 -16💚 -144
WebServer/examples/FSBrowser⚠️ +16💚 -128💚 -16💚 -144💚 -40💚 -128⚠️ +12💚 -128--⚠️ +16💚 -128
WebServer/examples/HelloServer0💚 -1440💚 -144💚 -44💚 -128💚 -4💚 -136--💚 -16💚 -144
WebServer/examples/HttpAdvancedAuth0💚 -1280💚 -128💚 -52💚 -136⚠️ +12💚 -128--⚠️ +16💚 -128
WebServer/examples/HttpAuthCallback0💚 -128💚 -16💚 -144💚 -44💚 -128💚 -4💚 -136--💚 -16💚 -144
WebServer/examples/HttpAuthCallbackInline0💚 -128💚 -16💚 -144💚 -64💚 -128💚 -4💚 -136--💚 -16💚 -144
WebServer/examples/HttpBasicAuth💚 -16💚 -1440💚 -128💚 -48💚 -128💚 -4💚 -136--⚠️ +16💚 -128
WebServer/examples/HttpBasicAuthSHA1💚 -16💚 -1440💚 -128💚 -52💚 -128💚 -4💚 -136--0💚 -128
WebServer/examples/HttpBasicAuthSHA1orBearerToken0💚 -1440💚 -128💚 -48💚 -128💚 -4💚 -136--⚠️ +16💚 -128
WebServer/examples/MultiHomedServers⚠️ +16💚 -1280💚 -128💚 -56💚 -136⚠️ +4💚 -128--0💚 -128
WebServer/examples/PathArgServer⚠️ +16💚 -1280💚 -128💚 -4💚 -136💚 -52💚 -136--0💚 -144
WebServer/examples/SDWebServer⚠️ +16💚 -1280💚 -128💚 -64💚 -136⚠️ +4💚 -128--⚠️ +16💚 -128
WebServer/examples/SimpleAuthentification0💚 -1280💚 -128⚠️ +4💚 -128💚 -4💚 -136--0💚 -144
WebServer/examples/UploadHugeFile💚 -16💚 -1440💚 -144💚 -24💚 -136💚 -52💚 -136--0💚 -144
WebServer/examples/WebServer0💚 -1440💚 -128💚 -32💚 -136⚠️ +12💚 -128--0💚 -144
WebServer/examples/WebUpdate0💚 -1440💚 -128💚 -40💚 -128⚠️ +4💚 -136--0💚 -128
WiFi/examples/FTM/FTM_Initiator00000000--00
WiFi/examples/FTM/FTM_Responder00000000--00
WiFi/examples/SimpleWiFiServer00000000--00
WiFi/examples/WPS00000000--00
WiFi/examples/WiFiAccessPoint00000000--00
WiFi/examples/WiFiBlueToothSwitch00--0000--00
WiFi/examples/WiFiClient00000000--00
WiFi/examples/WiFiClientBasic00000000--00
WiFi/examples/WiFiClientConnect00000000--00
WiFi/examples/WiFiClientEnterprise00000000--00
WiFi/examples/WiFiClientEvents00000000--00
WiFi/examples/WiFiClientStaticIP00000000--00
WiFi/examples/WiFiIPv600000000--00
WiFi/examples/WiFiMulti00000000--00
WiFi/examples/WiFiMultiAdvanced00000000--00
WiFi/examples/WiFiScan00000000--00
WiFi/examples/WiFiScanAsync00000000--00
WiFi/examples/WiFiScanDualAntenna00000000--00
WiFi/examples/WiFiSmartConfig00000000--00
WiFi/examples/WiFiTelnetToSerial00000000--00
WiFi/examples/WiFiUDPClient00000000--00
WiFiProv/examples/WiFiProv00000000--00
Wire/examples/WireMaster000000000000
Wire/examples/WireScan000000000000
Wire/examples/WireSlave000000000000
BluetoothSerial/examples/DiscoverConnect----------00
BluetoothSerial/examples/GetLocalMAC----------00
BluetoothSerial/examples/SerialToSerialBT----------00
BluetoothSerial/examples/SerialToSerialBTM----------00
BluetoothSerial/examples/SerialToSerialBT_Legacy----------00
BluetoothSerial/examples/SerialToSerialBT_SSP----------00
BluetoothSerial/examples/bt_classic_device_discovery----------00
BluetoothSerial/examples/bt_remove_paired_devices----------00
ESP32/examples/DeepSleep/SmoothBlink_ULP_Code----------00
ESP32/examples/Touch/TouchButton----------00
Ethernet/examples/ETH_LAN8720----------00
Ethernet/examples/ETH_TLK110----------00

@craiglink craiglink changed the title define HTTP_METHOD_STR as static const to save RAM fix(RAM): define HTTP_METHOD_STR as static const to save RAM May 7, 2024
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@craiglink please sign the CLA in order to merge your changes.

@lucasssvaz lucasssvaz added Area: Libraries Issue is related to Library support. Backport needed 🔙 Status: Pending Merge Pull Request is ready to be merged and removed Status: Pending CLA ⚠️ Contributor is required to sign the CLA labels May 8, 2024
@me-no-dev me-no-dev merged commit e883a2c into espressif:master May 8, 2024
153 of 159 checks passed
earlephilhower added a commit to earlephilhower/arduino-pico that referenced this pull request May 30, 2024
@earlephilhower
Small RAM savings in WebServer
57b259b 
From espressif/arduino-esp32#9594
@earlephilhower earlephilhower mentioned this pull request May 30, 2024
Merged
earlephilhower added a commit to earlephilhower/arduino-pico that referenced this pull request May 30, 2024
@earlephilhower
Small RAM savings (128b) in WebServer (#2178)
fa2bfdc 
From espressif/arduino-esp32#9594
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@lucasssvaz lucasssvaz lucasssvaz approved these changes

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