I use VSCODE to create project. I create a project and select ESp-07 board and ESP8266 RTOS SDK framework then create a main.c file in src directory and copy content of main.c file of esp8266-rtos-sdk-blink example to my project main.c file. it compile successfully but when i want to u…

I use esp01-1M board instead of esp07 board and compile then upload to esp07 board successfully. again change board to esp07 and add board_upload.maximum_size = 1048576 to platformio.ini file and compile and upload to esp07` board successfully. I found 1048576 value from esp01_1m.json file.

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[upload] Error 2 with esp8266 ESP-07 board #193

pfeerick January 29, 2020, 3:50am 2

You’ve configured it as a board with 4MB of FLASH, but the bootloader as auto-detected it as

You could correct that by changing the flash size configuration script used via your project configuration platformio.ini… i.e.

build_flags = -Wl,-Teagle.flash.1m.ld