ESP8266 Community Forum

- Tue Oct 13, 2015 4:00 am #31215 We are trying to flash the sdk 1.4 .
The downloaded file has many files in it . which one you flash to what address ?
We used to flash the 0.9.5 with only one bin file . cant you do that with the latest sdk?

(using mac and esptool )

thanks .

- Tue Oct 13, 2015 8:41 am #31232 These are the notes I took ...

Installing the latest AT command processor
The latest AT command processor can always be downloaded in binary form from the Espressif web site. Always view the README that comes with the files and follow the instructions contained within. In order to load the firmware images, you will need a flashtool. In addition, you will need the files supplied with download. As of v0.50, the files needed and the addresses to be loaded into are:

File Address
nonboot/eagle.flash.bin 0x00000
nonboot/eagle.irom0text.bin 0x40000
blank.bin 0x3E000
blank.bin0x7E000

These instructions are for 512K flash chips.

Free ESP8266 book available for download here.

- Tue Oct 13, 2015 10:50 am #31243

nonboot/eagle.flash.bin 0x00000
nonboot/eagle.irom0text.bin 0x40000
blank.bin 0x3E000
blank.bin0x7E000

The blank.bin at 0x3e000 isn't necessary but does no harm. I believe the same is true with 0x7e000 but I haven't confirmed that. Also, you do need the system parameters: esp_init_data_default.bin at 16K from the end of Flash (that would be 0x7c000 for a 512K Flash chip).

Don Kinzer
ZBasic Microcontrollers
http://www.zbasic.net