Lup Yuen Lee 李立源 @lupyuen@qoto.org

Checking that our SPI Test Driver has been loaded in #NuttX

https://lupyuen.github.io/articles/spi2?19#load-the-spi-test-driver

Here's how we load our SPI Test Driver in #NuttX

https://lupyuen.github.io/articles/spi2?18#load-the-spi-test-driver

How we configure the SPI port in #NuttX

https://lupyuen.github.io/articles/spi2?17#configure-spi

Here's how we transfer data over SPI in #NuttX

https://lupyuen.github.io/articles/spi2?15#write-operation

Every #NuttX Device Driver defines a list of File Operations ... Here are the operations for our SPI Test Driver

https://lupyuen.github.io/articles/spi2?12#file-operations

What's inside our SPI Test Driver for #NuttX

https://lupyuen.github.io/articles/spi2?11#inside-the-spi-test-driver

Why we chose to clone the "dat-31r5-sp" driver in #NuttX ... Yep we did a Quantitative Analysis of NuttX Drivers!

https://lupyuen.github.io/articles/spi2?10#verify-device-driver

Our Custom Device Driver appears as "/dev/spitest0" in #NuttX

https://lupyuen.github.io/articles/spi2?9#verify-device-driver

During #NuttX Startup, we register our Device Driver

https://lupyuen.github.io/articles/spi2?8#register-device-driver

We enable SPI Logging in #NuttX ... For easier troubleshooting

https://lupyuen.github.io/articles/spi2?7#enable-logging

Enabling the SPI Driver in #NuttX

https://lupyuen.github.io/articles/spi2?6#enable-spi

How we create a Device Driver in #NuttX ... The copy-n-paste way

https://lupyuen.github.io/articles/spi2?5#appendix-create-a-nuttx-device-driver

Here's how we create a #NuttX App

https://lupyuen.github.io/articles/spi2?4#appendix-create-a-nuttx-app

"Hubris on #RISCV?"

https://github.com/oxidecomputer/hubris/blob/master/FAQ.mkdn

"Can I use the #RustLang Embedded HAL on Hubris?"

https://github.com/oxidecomputer/hubris/blob/master/FAQ.mkdn

#NuttX Apps can't call the SPI Driver directly ... Here's why

https://lupyuen.github.io/articles/spi2?3#spi-test-app-and-driver

To test the #NuttX SPI Functions, we create an App and a Device Driver

https://lupyuen.github.io/articles/spi2?3#spi-test-app-and-driver

Calling the SPI Driver in Apache #NuttX OS

https://lupyuen.github.io/articles/spi2?2

My #3 most popular article: Prometheus, Grafana and The Things Network 🤔

https://lupyuen.github.io/articles/prometheus

How we transmit and receive data over SPI on Apache #NuttX OS ... And what's inside the SPI Driver ... All shall be explained here

https://lupyuen.github.io/articles/spi2?1