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OTA update example for PsychicHttp

Example of OTA (Over The Air) update implementation for PsychicHttp, using Arduino IDE.

Requirements Requirements for project are :

OTA update for code (firmware)
OTA update for data (littlefs)
manual restart of ESP32, triggered by User (no automatic restart after code or data file upload)

Implementation

OTA update relies on handler PsychicUploadHandler.

Screenshots and Code are shown below.

Credits

https://github.com/hoeken/PsychicHttp/blob/master/src/PsychicUploadHandler.cpp

https://github.com/hoeken/PsychicHttp/issues/30

Configuration

Example has been implemented with following configuration :
Arduino IDE 1.8.19
arduino-32 v2.0.15
PsychicHttp 1.1.1
ESP32S3

Example Files Structure

arduino_ota
	data
          | update.html
	arduino_ota.ino
	code.bin
	littlefs.bin
	README

"code.bin" and "littlefs.bin" are example update files which can be used to update respectily code (firmware) or data (littlefs).

"Real" update files can be generated on Arduino IDE 1.x :

for code, menu "Sketch -> Export bin"
for data, using plugin arduino-esp32fs-plugin https://github.com/lorol/arduino-esp32fs-plugin/releases

SCREENSHOTS

Update code (firmware)

Build:Mar 27 2021
rst:0x1 (POWERON),boot:0x2b (SPI_FAST_FLASH_BOOT)
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce3808,len:0x4bc
load:0x403c9700,len:0xbd8
load:0x403cc700,len:0x2a0c
entry 0x403c98d0
[332885][I][PsychicHttpServer.cpp:236] openCallback(): [psychic] New client connected 51
[332895][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 867306
[332908][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 862016
[332919][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[332929][I][arduino_ota.ino:133] operator()(): [OTA] update begin, filename code.bin
[333082][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 856272
[333095][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[snip]
[339557][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 416
[339566][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 1
[339718][I][arduino_ota.ino:165] operator()(): [OTA] Update Success: 867072 written
[339726][I][arduino_ota.ino:184] operator()(): [OTA] Update code or data OK Update.errorString() No Error
[339738][I][PsychicHttpServer.cpp:236] openCallback(): [psychic] New client connected 52
[339747][I][PsychicHttpServer.cpp:262] closeCallback(): [psychic] Client disconnected 52

Update data (littlefs)

[ 48216][I][PsychicHttpServer.cpp:236] openCallback(): [psychic] New client connected 51
[ 48226][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 1573100
[ 48239][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 1567810
[ 48250][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[ 48261][I][arduino_ota.ino:133] operator()(): [OTA] update begin, filename littlefs.bin
[ 48376][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 1562066
[ 48389][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[ 48408][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 1556322
[ 48421][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 1550578
[ 48432][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[snip]
[ 54317][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 16930
[ 54327][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[ 54340][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 11186
[ 54351][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[ 54363][I][PsychicUploadHandler.cpp:164] _multipartUploadHandler(): [psychic] Remaining size : 5442
[ 54375][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 0
[ 54386][I][arduino_ota.ino:128] operator()(): [OTA] updateHandler->onUpload _error 0 Update.hasError() 0 last 1
[ 54396][I][arduino_ota.ino:165] operator()(): [OTA] Update Success: 1572864 written
[ 54404][I][arduino_ota.ino:184] operator()(): [OTA] Update code or data OK Update.errorString() No Error
[ 54415][I][PsychicHttpServer.cpp:236] openCallback(): [psychic] New client connected 52
[ 54424][I][PsychicHttpServer.cpp:262] closeCallback(): [psychic] Client disconnected 52

Restart

[110318][I][PsychicHttpServer.cpp:236] openCallback(): [psychic] New client connected 51
[110327][I][arduino_ota.ino:205] operator()(): [OTA] <b style='color:green'>Restarting ...</b>
[110338][I][PsychicHttpServer.cpp:236] openCallback(): [psychic] New client connected 52
[111317][W][WiFiGeneric.cpp:1062] _eventCallback(): Reason: 8 - ASSOC_LEAVE
[111319][I][PsychicHttpServer.cpp:262] closeCallback(): [psychic] Client disconnected 51
[111332][I][PsychicHttpServer.cpp:262] closeCallback(): [psychic] Client disconnected 52
ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0xc (RTC_SW_CPU_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)
Saved PC:0x420984ae
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce3808,len:0x4bc
load:0x403c9700,len:0xbd8
load:0x403cc700,len:0x2a0c
entry 0x403c98d0
[   283][I][arduino_ota.ino:57] connectToWifi(): [OTA] [WiFi] WiFi is disconnected
[   791][I][arduino_ota.ino:60] connectToWifi(): [OTA] [WiFi] WiFi is connected, IP address 192.168.1.50

6.0 KiB Raw Blame History

6.0 KiB

Raw Blame History