Oke I want it to extend the RAM just like FSMC does on the STM429i.. so in boot it has to expand.... and that the framebuffer can use it as if it already was there..
I will look into some examples where I can begin.... the 23LC1024 I will try first. Verstuurd vanaf mijn iPhone > Op 9 jan. 2020 om 00:23 heeft Alan Carvalho de Assis <acas...@gmail.com> het > volgende geschreven: > > Hi Ben, > > AFAIK NuttX doesn't have support to Serial SRAM yet. > > At least I never see a driver to it. > > Normally people use real SDRAM chips controlled by FMSC (in the case of > STM32). > > It should be a nice addition if you create a driver for Serial SRAM. > > BR, > > Alan > >> On 1/8/20, disruptivesolution...@gmail.com >> <disruptivesolution...@gmail.com> wrote: >> I just got a 23LC1024 (128kb SDRAM 1MBit) and want to "attach" this as >> external RAM. To scale up the free mem. >> >> I am looking at examples like stm32_extmem.c and qspi.. which one is best >> to >> use? And do I have to "make" a driver for it? And bind it to SPI? Or are my >> thoughts wrong? >> >> Thanks again... >> >>
