Lup Yuen Lee 李立源 @lupyuen@qoto.org

To watch what happens inside #NuttX's SPI Driver for #BL602 ... Turn on SPI Debug Logging

https://github.com/lupyuen/incubator-nuttx/blob/spi_test/arch/risc-v/src/bl602/bl602_spi.c

Rockchip RK3588 benchmarks show up on Geekbench

https://www.cnx-software.com/2021/12/01/rockchip-rk3588-benchmarks-show-up-on-geekbench/

Here's how we configure the #NuttX SPI Interface

https://github.com/lupyuen/incubator-nuttx/blob/spi_test/drivers/rf/spi_test_driver.c#L95-L117

"WTF is Wrong with #OpenSource Communities?" (Diversity)

https://blog.container-solutions.com/wtf-is-wrong-with-open-source-communities

"FBI document shows what data can be obtained from encrypted messaging apps"

https://therecord.media/fbi-document-shows-what-data-can-be-obtained-from-encrypted-messaging-apps/

In the write() operation for our #NuttX SPI Test Driver, we 1️⃣ Lock the SPI Bus 2️⃣ Config the SPI Interface 3️⃣ Select the SPI Device 4️⃣ Transfer SPI Data 5️⃣ Deselect and Unlock

https://github.com/lupyuen/incubator-nuttx/blob/spi_test/drivers/rf/spi_test_driver.c#L182-L239

Every #NuttX Device Driver defines the File Operations for the device ... Here are the open(), close(), read(), write() and ioctl() operations for our SPI Test Driver

https://github.com/lupyuen/incubator-nuttx/blob/spi_test/drivers/rf/spi_test_driver.c#L80-L89

"Windows Games on the #PineBook Pro with BOX86 and Wine"

https://youtu.be/mckk7bkeNMU

This appears when we run our #NuttX SPI Test App ... Let's study our SPI Test Driver

https://github.com/lupyuen/incubator-nuttx-apps/blob/spi_test/examples/spi_test/spi_test_main.c

Running Octoprint On A #PinePhone Turns Out To Be Pretty Easy

https://hackaday.com/2021/11/30/running-octoprint-on-a-pinephone-turns-out-to-be-pretty-easy/

Discussion on Hacker News: https://news.ycombinator.com/item?id=29390751

Splotchy Sky in Sunny Singapore

Online IT certification exams hacked: "[the hacker] gained control of the participant’s laptop and attempted the exam"

https://theprint.in/india/how-father-son-duo-helped-techies-hack-exams-earn-top-scores-for-big-payday/774001/

"MIPS design and verification teams transition to #RISCV"

https://www.imperas.com/articles/mips-selects-imperas-reference-models-risc-v-processor-verification

Back to our #NuttX SPI Test App ... Here's how we open the SPI Test Driver and write data

https://github.com/lupyuen/incubator-nuttx-apps/blob/spi_test/examples/spi_test/spi_test_main.c

From software engineer to CEO ... Meet the new CEO of Twitter

https://www.cnn.com/2021/11/30/tech/parag-agrawal-profile/index.html

Hubris #RustLang Embedded OS for Arm Cortex-M

https://hubris.oxide.computer/reference/

Twitter bans sharing photos, video of people without their consent

https://www.cnet.com/tech/services-and-software/twitter-bans-sharing-photos-video-of-people-without-their-consent/?utm_source=reddit.com

"What are your favorite Comp Sci YouTube channels?"

https://www.reddit.com/r/compsci/comments/r5pmks/what_are_your_favorite_comp_sci_youtube_channels/?utm_medium=android_app&utm_source=share