Lup Yuen Lee 李立源 @lupyuen@social.cleverlibre.org

NXP i.MX 8 now supported by Apache #NuttX RTOS 👍

Source: https://github.com/apache/nuttx/pull/10294

Piggybacking on StarFive #JH7110 Linux microSD ... To boot Apache #NuttX RTOS on Star64 SBC

Article: https://lupyuen.codeberg.page/articles/release.html#boot-nuttx-on-star64

Bootable microSD with Apache #NuttX RTOS inside ... By creating a Flat Image Tree

Article: https://lupyuen.codeberg.page/articles/release.html#nuttx-in-a-bootable-microsd

Here's how we build Apache #NuttX RTOS for #RISCV Star64 #JH7110 SBC

Article: https://lupyuen.codeberg.page/articles/release.html#build-nuttx-for-star64

#RISCV Star64 #JH7110 SBC is now supported by Apache #NuttX RTOS! Let's review how we created the first release of NuttX for Star64 @PINE64

Article: https://lupyuen.codeberg.page/articles/release

StarFive #JH7110 SoC uses a Synopsys DesignWare 8250 UART ... Before we set the Line Control Register (LCR), we must wait until the UART is not busy

Article: https://lupyuen.codeberg.page/articles/plic.html#appendix-fix-the-spurious-uart-interrupts

Connecting an LCD Panel to #RISCV #JH7110 SoC

Source: https://github.com/lupyuen/nuttx-star64#lcd-panel-for-star64-jh7110

Star64 #JH7110 triggers too many UART Interrupts on Apache #NuttX RTOS ... Let's find out why

Article: https://lupyuen.codeberg.page/articles/plic.html#spurious-uart-interrupts

Apache #NuttX RTOS runs in Supervisor Mode ... So we delegate #RISCV Interrupts from Machine Mode to Supervisor Mode

Article: https://lupyuen.codeberg.page/articles/plic.html#delegate-machine-mode-interrupts-to-supervisor-mode

#Arduino Nano 33 BLE now supported by Apache #NuttX RTOS

Source: https://github.com/apache/nuttx/pull/10092

Beware the Shark

Inside the #RISCV #JH7110 Display Driver for Direct Rendering Manager

Source: https://github.com/lupyuen/nuttx-star64#direct-rendering-manager-driver-for-dc8200

How we Claim and Complete #RISCV Interrupts ... With the PLIC Interrupt Controller

Article: https://lupyuen.codeberg.page/articles/plic.html#claim-and-complete-interrupts

Here's how we init the #RISCV PLIC Interrupt Controller with Apache #NuttX RTOS

Article: https://lupyuen.codeberg.page/articles/plic.html#initialise-interrupts

Each #RISCV Core in #JH7110 can be programmed individually to receive Interrupts ... In Machine or Supervisor Modes

Article: https://lupyuen.codeberg.page/articles/plic.html#memory-map

Inside #JH7110 is the #RISCV Platform-Level Interrupt Controller (PLIC) ... That handles Interrupts triggered by Peripherals

Article: https://lupyuen.codeberg.page/articles/plic.html#platform-level-interrupt-controller

Inside the HDMI Controller for Star64 #JH7110

Source: https://github.com/lupyuen/nuttx-star64#hdmi-controller-for-star64-jh7110

#PinePhonePro boots Apache #NuttX RTOS 🎉

Source: https://github.com/apache/nuttx/pull/10193

#NuttX on Star64 #JH7110 won't trigger UART Interrupts ... Let's check the Interrupt Number

Article: https://lupyuen.codeberg.page/articles/plic.html#jh7110-uart-interrupt

Display Driver for #RISCV Star64 #JH7110 ... Looks a little clearer now 🤔

Source: https://github.com/lupyuen/nuttx-star64#direct-rendering-manager-driver-for-dc8200