200KB should be the remaining SRAM size. BLE uses 32KB of SRAM. I don't remember Wifi having a fixed carevout in SRAM. Then there are other areas used by the ROM bootloader that can be revoked once the system has fully booted.
On Fri, Apr 26, 2024 at 2:22 PM Nathan Hartman <hartman.nat...@gmail.com> wrote: > I recommend to add a comment there, to explain that although the board has > 320KB in total, ~200KB is used for WiFi and BLE. > > On Thu, Apr 25, 2024 at 8:36 PM Alan C. Assis <acas...@gmail.com> wrote: > > > Hi Bernd, > > > > You can use 320KB only if you don't need to use WiFi and BLE. > > > > The memory is used but the WiFi/BLE driver! > > > > Do you remember the old days where your video card used to eat your main > > memory and you should define in the BIOS how much memory the video card > > will use? > > > > Same thing here! ;-) > > > > Best Regards, > > > > Alan > > > > On Thu, Apr 25, 2024 at 8:59 PM Bernd Walter <ti...@cicely7.cicely.de> > > wrote: > > > > > The original ESP32 is said to have 320k RAM. > > > All board configs have the following: > > > CONFIG_RAM_SIZE=114688 > > > > > > Are RAM sections added later in the startup process or is there another > > > reason? > > > > > > -- > > > B.Walter <be...@bwct.de> https://www.bwct.de > > > Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm. > > > > > >
