At version 2.0 of the SDK I was sailing along with hundreds of bytes of RAM left for code.... and yes I put all my functions into FLASH and have taken all the usual precautions..
However, by 2.1 of the SDK I am back to square one with the old "section `.text' will not fit in region `iram1_0_seg'".
There is nothing more I can do with my code to save space.
I note however that at the bottom of the README file is something about removing RAM-using functions - as they are already in ROM....
instructions are simple enough.
cp $(TOOLCHAIN)/lib/gcc/xtensa-lx106-elf/<version>/libgcc.a .
xtensa-lx106-elf-ar -M < strip_libgcc_funcs.txt
cp $(TOOLCHAIN)/xtensa-lx106-elf/lib/libc.a .
xtensa-lx106-elf-ar -M < strip_libc_funcs.txt
However they ASSUME knowledge of MAKEFILE - and presumably a particular variety of MAKEFILE
I am using a MAKEFILE in Windows 10 using the Eclipse-based environment and haven't a CLUE where to put that info - ( also have no reference in my MAKEFILE to "TOOLCHAIN". Can anyone help.
I would include my MAKEFILE here with the attachments tool but it neither wants to accept a textfile or just the makefile itself. Here's a link to a renamed makefile (makefile.txt) if anyone has a moment to take a look... https://www.dropbox.com/s/ooaw7i2cyg3fo ... e.txt?dl=0
I'm pretty good at C but pretty poor at Makefiles unfortunately.
If you are using any user-defined lib,when generating those libs, you can add the flags below which marked red in the makefile to save some RAM.
CCFLAGS += \
Who is online
Users browsing this forum: No registered users and 3 guests
Newbies Start Here
Are you new to ESP8266?
Unsure what to do?
Dunno where to start?
Start right here!
We also have a RTOS version and a MESH version too!
Complete listing of the official ESP8266 related documentation release by ESPRESSIF!
Must read here!