rtos News - Page 5 of 15 - CNX Software

December 30, 2021 by Jean-Luc Aufranc (CNXSoft) - 15 Comments

Sipeed Lichee RV RISC-V module gets $5+ carrier board with HDMI and USB ports, optional WiFi

Sipeed introduced the Lichee RV Allwinner D1 Linux RISC-V board going for just $17 with 512MB RAM last month. While with a USB-C port it could be used as a standalone part, its dual M.2 connector makes it more like a module and we noted a tiny carrier board was in the works at the time. The baseboard is now available and known as the Lichee RV Dock adding HDMI and USB ports, as well as a 40-pin GPIO header for just $5, or $8 if you’d like to get Wi-Fi 4 and Bluetooth 4.2 connectivity through a Realtek RTL8723DS module. Sipeed Lichee RV Dock specifications: Supported system-on-module (SoM) – Lichee RV module with Allwinner D1 RISC-V processor @ 1 GHz, 512MB DDR3, MicroSD card slot, and USB Type-C OTG port Storage – Optional SPI flash Display interfaces HDMI port up to 4Kp30 Optional RGB interface for up to 720p30 […]

November 10, 2021 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

NXP i.MX 93 processor combines Cortex-A55 cores with Ethos U65 microNPU

NXP has unveiled the i.MX 93 processor family comprised of i.MX 935x, 933x, 932x, and 931x parts at this time with up to two Cortex-A55 cores, one Arm Cortex-M33 real-time core, as well as an Ethos U65 microNPU for machine learning (ML). We wrote about i.MX 9 family back in March with NXP telling us it would include an Arm Ethos U-65 microNPU and EdgeLock secure enclave, be manufactured with a 16/12nm FinFET class process, and includes the “Energy Flex” architecture to optimize power consumption by turning on/off specific blocks in the processor. The NXP i.MX 93 is the first family leveraging those new features, and we know have some more details. NXP i.MX 93 processor specifications: CPU 1x or 2x Arm Cortex-A55 @ 1.7 GHz with 32KB I-cache, 32KB D-cache, 64KB L2 cache, 256KB L3 cache with ECC 1x Arm Cortex-M33 @ 250 MHz low power microcontroller with 256KB […]

October 31, 2021November 1, 2021 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

Status of Zephyr and NuttX RTOS support for ESP32

Espressif has recently announced that both Zephyr and NuttX open-source real-time operating systems had gotten official support for the ESP32 series of WiSoCs. It’s been a long time in the making, and when I first tried the community developer port of Zephyr OS on ESP32 in 2018 it did not work well at all, and I could not even make the blink LED sample work on Wemos Lolin32 board, and the WiFi sample would not even build. But time has passed, Espressif Systems started to officially work on Zephyr in 2020, and now I/Os, WiFi, and some other features work on Zephyr and NuttX RTOSes. Zephyr on ESP32 We first wrote about the Zephyr Project in 2016 describing the OS as follows: Zephyr Project is a lightweight real-time operating system (RTOS) designed for IoT applications and comprised of a microkernel for lower priority tasks, as well as a nanokernel to […]

September 1, 2021May 6, 2022 by Jean-Luc Aufranc (CNXSoft) - 12 Comments

Allwinner V833 AI video development board runs Tina Linux or Melis RTOS

Allwinner V833 AI camera development board

Lindenis V833 is an AI video/camera development board based on Allwinner V833 single-core Cortex-A7 processor with a 400 MOPS AI accelerator (NPU) and running OpenWrt-based Tina Linux or Melis RTOS based on the RT-Thread kernel. The board comes with up to 3GB RAM, a MicroSD card socket, MIPI DSI, MIPI CSI, and BT1120 interfaces for video output and input, Gigabit Ethernet, 2.4 GHz WiFi, and a few other I/Os. Lindenis V833 specifications: SoC – Allwinner V833 single-core Arm Cortex-A7 processor @ up to 1.2 GHz with H.265/H.265 1080p video encoder, MJPEG 1080p video encoder, 400 MOPS AI accelerator (See PDF datasheet) System Memory – Up to 3GB DDR3/DDR3L Storage – MicroSD card slot with support for SDHC and SDXC, SPI NOR flash Display Interfaces 4-lane MIPI-DSI up to 1080p BT1120 output Touch panel header Video In 4-lane MIPI-CSI camera interface BT1120 input Audio – 3.5mm Line-in jack, built-in microphone Connectivity […]

July 31, 2021August 7, 2021 by Jean-Luc Aufranc (CNXSoft) - 15 Comments

Jupiter Nano – Tiny Cortex-A5 board runs Linux or NuttX RTOS (Crowdfunding)

Jupiter Nano looks like one of those small MCU boards, but instead of a microcontroller, it packs a 500 MHz Microchip SAMA5 Cortex-A5 processor with 128MB RAM capable of running Linux or NuttX operating systems. The board reminds me of the Adafruit Feather compatible Giant Board made by Groboards, with the same system-in-package, but Juniper Nano offers more I/Os via 48 through holes, and its size is said to be similar to Teensy 4.1 board (but not quite). Jupiter Nano specifications: SiP – Microchip SAMA5D27C-LD1G with Cortex-A5 processor running at 498 MHz, 128MB LPDDR2 DRAM Storage – MicroSD card socket (bootable) USB – 1x Micro USB 2.0 host/device port, 1x USB 2.0 host on header Expansion – 2x 24-pin headers with GPIOs, USB, SPI, I2C, up to 4x Flexcom interfaces configurable as SPI, UART or I2C Programming – JTAG port, Micro USB 2.0 FS debug console via MCP2200 USB-UART converter […]

July 29, 2021 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Upcoming events about RISC-V, RT-Thread IoT OS, and Embedded Linux

Three events about open/open-source technologies have been recently announced with namely the RT-Thread IoT OS Tech Conference, the jointly organized Open Source Summit and Embedded Linux Conference 2021, and the 2021 RISC-V Summit. Let’s have a quick look at what each will have to offer with the list in chronological order. RT-Thread IoT OS Global Tech Conference 2021 The first-ever RT-Thread IoT OS Global Tech Conference will take place online on September 16–17,2021, be free to attend, and feature talks about embedded technologies, new projects showcase, community contributors track mostly related to RT-Thread open-source real-time operating system, but also IoT development in general. The agenda has not been published just yet, as the call for speakers is still open until August 8th. People just wanting to attend can register through a Google Docs form. Somehow there’s no landing page on the main page, and instead, they’ve decided to publish information […]

June 29, 2021June 30, 2021 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Art-Pi STM32H750 Cortex-M7 board supports RT-Thread, mainline Linux

I like to browse Linux changelog to learning about new features in the kernel, but also new hardware that made it into mainline Linux, even if only preliminary or partial. And in the just-released Linux 5.13, one board that caught my eye was Art-Pi, powered by an STMicro STM32H750 Cortex-M7 microcontroller without MMU (memory management unit) that was initially designed for RT-Thread real-time operating system. Art-Pi specifications: MCU – STM32H750XBH6 Value Line Cortex-M7 microcontroller @ 400 MHz, with 128KB flash, 16KB D/I cache, 864 SRAM, 64KB+128KB TCM with ECC correction System Memory – 32MB SDRAM Storage – MicroSD card slot, 16 MB SPI flash, 8MB QSPI flash Display – FPC connector for RGB888 displays Connectivity – SDIO WiFi 4 and UART Bluetooth via Ampak AP6212 module USB – 1x USB OTG Type-C port Debugging – On-board ST-LINK/V2.1 via USB-C DBG port Expansion – 2x 40-pin P1 & P2 headers with […]

March 9, 2021March 9, 2021 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Bluetrum AB32VG1 board features AB5301A Bluetooth RISC-V MCU, runs RT-Thread RTOS

Bluetrum, a Shenzhen-based fabless company focusing on audio chips, has designed the AB32VG1 board based on its AB5301A Bluetooth RISC-V MCU for general-purpose and audio applications. The board comes with a MicroSD card, a USB port, a 3.5mm audio jack, and Arduino UNO compatible headers for easy prototyping. Bluetrum AB32VG1 board preliminary specifications: MCU – Bluetrum AB5301A RISC-V MCU @ 120 MHz (overclockable to 192 MHz) with 192KB RAM, 1MB flash, Bluetooth 5.0 connectivity and FM radio; LQFP48 package Storage – MicroSD card slot Audio – 3.5mm audio jack, 3-pin microphone header Connectivity – Bluetooth 5.0 with PCB antenna USB – USB 2.0 host port, USB Type-C port for power and programming Expansion – Arduino UNO header with 1x I2C, 6x ADC, 6x PWM Misc – IR receiver, 3x user buttons, 1x reset button, RGB LED, power LED, status LEDs, various configuration jumper Power Supply – 5V via USB Type-C […]