https://w.electrodragon.com/w/index.php?action=history&feed=atom&title=ESPTool 2026-07-22T05:43:10Z Revision history for this page on the wiki MediaWiki 1.37.2 https://w.electrodragon.com/w/index.php?title=ESPTool&diff=32517&oldid=prev 2022-01-23T08:25:02Z

<p><span dir="auto"><span class="autocomment">Use ESPTOOL.EXE</span></span></p> <p><b>New page</b></p><div>=== ESPtool ===<br /> * [https://github.com/themadinventor/esptool/ ESPTool]<br /> * Install dependence if necessary, for lubuntu, first install python-pip, than pip install pyserial<br /> apt-get install python-pip<br /> pip install pyserial<br /> * More functions by using -h, for specific command try ie esptool.py write_flash -h.:<br /> Run esptool {command} -h for additional help<br /> load_ram Download an image to RAM and execute<br /> dump_mem Dump arbitrary memory to disk<br /> read_mem Read arbitrary memory location<br /> write_mem Read-modify-write to arbitrary memory location<br /> write_flash Write a binary blob to flash<br /> run Run application code in flash<br /> image_info Dump headers from an application image<br /> make_image Create an application image from binary files<br /> elf2image Create an application image from ELF file<br /> read_mac Read MAC address from OTP ROM<br /> flash_id Read SPI flash manufacturer and device ID<br /> read_flash Read SPI flash content<br /> erase_flash Perform Chip Erase on SPI flash<br /> * read flash ID: <br /> ./esptool.py --baud 115200 --port /dev/ttyUSB0 flash_id<br /> Connecting...<br /> Manufacturer: e0<br /> Device: 4016<br /> == MISC ==<br /> * Erase - esptool.py --port COM71 erase_flash<br /> * esptool.py read_mac<br /> * esptool.py flash_id<br /> esptool.py v2.8<br /> Found 1 serial ports<br /> Serial port COM71<br /> Connecting....<br /> Detecting chip type... ESP8266<br /> Chip is ESP8266EX<br /> Features: WiFi<br /> Crystal is 26MHz<br /> MAC: 60:01:94:2e:cb:92<br /> Uploading stub...<br /> Running stub...<br /> Stub running...<br /> Manufacturer: c8<br /> Device: 4016<br /> Detected flash size: 4MB<br /> Hard resetting via RTS pin...<br /> == Flash Example ==<br /> * esptool.py --port COM71 write_flash 0x0 1.5_4MB_8266.bin<br /> * esptool.py --port COM71 write_flash 0x0 1.5_4MB_8266.bin --flash_mode dout --flash_size 4MB --flash_freq 40m<br /> Flash specify 2MB-C1<br /> * esptool.py --port COM71 write_flash 0x0 combined-bin-esp-12s-16mbit-c1.bin --flash_size 2MB-c1<br /> Specify flash mode <br /> * esptool.py -b 1500000 write_flash 0x0 Yorktel_ESP8266_HTTPS_Test_0_0_11.bin<br /> * esptool.py -b 1500000 write_flash --flash_mode dout 0x0 Yorktel_ESP8266_HTTPS_Test_0_0_11.bin<br /> <br /> <br /> <br /> === Dump and mass deploy ===<br /> * After finish coding, upload your code lua into target board, better be complied<br /> * dump out the flash content out and save as firmware.bin file for batch deploy<br /> * use this firmware.bin for new products<br /> # So first setup the esptool.py working environment<br /> # read out the flash content by command<br /> ./esptool.py --baud 115200 --port /dev/ttyUSB0 read_flash 0 4194304 output.bin<br /> # 4194304 mbits = 4MB, read flash time take at least more than 5 minutes<br /> # 2097152 mb = 2MB, 1048576 mbits = 1MB, 524288 = 512 KB, 262144 = 256 KB<br /> # use flash download tool flash normally<br /> <br /> * Also can try dump mem out, like RAM, etc, dumping the ROM (64 KiB) from the chip:<br /> ./esptool.py dump_mem 0x40000000 65536 iram0.bin<br /> <br /> == Use ESPTOOL.EXE ==<br /> [[File:2022-01-23 162419.png|thumb|right]]<br /> Find tool at a similar folder: C:\Users\Administrator\AppData\Local\Arduino15\packages\esp32\tools\esptool_py\3.1.0\<br /> esptool.exe --baud 115200 --port COM60 read_flash 0 4194304 output.bin<br /> <br /> Read Flash ID: esptool.exe flash_id<br /> <br /> [[category: ESP8266 Program]]</div>

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