Interesting solution for MCU to FPGA comm: https://jeelabs.org/2016/11/a-fast-%C2%B5c-to-fpga-bus/
On 4/17/20, disruptivesolution...@gmail.com <disruptivesolution...@gmail.com> wrote: > @Nathan > Maybe I am just a simple soul .....but the root concept is (seems to be) > shared memory. Memory which is some sort of "topic" where an MCU is a > "subscriber" and where there is some sort of "applicational" orchestration. > A kafka bus on memory 😉 > > I think I am getting it, but where I am struggling with is... how are the > MCU physical connected?? XiLink/Zync seem to have made some sort of "mux" > solution to "orchestrate" which MCU is "using" memory. Or a dual port EEPROM > with DSP/DDC or something... So "both" MCU's can be master. Or I2C.... but > that’s slow... > > Say I have a STM32F4 (Cortex-M4) and a Raspberry Pi [Zero] > ([BCM2835]/Cortex-A7). One should think DMA/SPI would be an option? If I > could get the Raspberry Pi in "slave" mode I could make some sort of "PoC". > Where I could "store" the measurements on the Pi and let it do its Kalman > stuff and send the predicted values back over SPI to Nuttx.. > > Nuttx in "slave" mode is no option...this because I have SPI sensors. > > Ben > > -----Oorspronkelijk bericht----- > Van: Nathan Hartman <hartman.nat...@gmail.com> > Verzonden: vrijdag 17 april 2020 15:13 > Aan: dev@nuttx.apache.org > Onderwerp: Re: Algorithm and Nuttx integration other platforms > AI..Kalman..et.... > > On Fri, Apr 17, 2020 at 8:49 AM <disruptivesolution...@gmail.com> wrote: > >> Very interesting... but Openamp was removed right? > > > Removed?! > > It's in the root directory of nuttx repo. > > Did something break it? > > Nathan > >
