Lup Yuen Lee 李立源 @lupyuen@qoto.org

How we enable "help" and "ls" in #NuttX #BL602

https://lupyuen.github.io/articles/nuttx?7#enable-help-and-ls

How we configure the #NuttX Build for #BL602

https://lupyuen.github.io/articles/nuttx?6#configure-nuttx

Forbidden Candy 😂 ... Will it glow in the dark? 🤔

Accessing the System Timer on #NuttX #BL602 ... Everything is a file!

https://lupyuen.github.io/articles/nuttx?5#timer-demo

"Hello World" on #BL602 #NuttX ... Looks just like Linux!

https://lupyuen.github.io/articles/nuttx?4#hello-demo

Booting #NuttX OS on #BL602 and BL604

https://lupyuen.github.io/articles/nuttx?3#boot-nuttx

How we build Apache #NuttX OS for #BL602 and BL604

https://lupyuen.github.io/articles/nuttx?2#build-nuttx

Which explains the recent NuttX commits by Xiaomi 👍

https://github.com/apache/incubator-nuttx/commit/55311ea3dfec9f64d7d5338382a60f5a897caa13

Hello @PINE64 DevZone!

https://devzone.pine64.org/

It's Alive!

Testing Apache #NuttX OS on #RISCV #BL602 and BL604 ... All shall be explained in this article

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

5-pin mystery connector ... Need to beg #Pine64 for the schematic 🙏

Cute, Chonky, ... Wearable? 🤔

Oops dislodged a tiny connector 🤔

Mystery Gadget @PINE64

🤔

As we've seen, #NuttX has its own HAL for #BL602 ... Which differs from BL602 IoT SDK ... So we expect some quirks

https://github.com/apache/incubator-nuttx/tree/master/arch/risc-v/src/bl602

Blinking the #BL602 LED ... Works on #NuttX BASIC too! 🎉

https://github.com/lupyuen/incubator-nuttx-apps/tree/master/interpreters/bas

After fixing GPIO Output, #NuttX now blinks the Blue LED (GPIO 11) on PineCone #BL602! 🎉

https://github.com/lupyuen/incubator-nuttx/pull/1/files

We mod #BL602 #NuttX to set the GPIO Output Enable Register at 0x40000190 (BL602_GPIO_CFGCTL34)

https://github.com/lupyuen/incubator-nuttx/pull/1/files

#BL602 IoT SDK says that GPIO Output Enable Register is at 0x40000190 (GLB_GPIO_CFGCTL34) ... Let's set this register in #NuttX

https://github.com/lupyuen/bl_iot_sdk/blob/master/components/bl602/bl602_std/bl602_std/StdDriver/Src/bl602_glb.c#L1990-L2010