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Device Software

Partner with Source-Right to design the right technology for disruptive innovation, business opportunities, and challenges ahead.

Device Software

Device software is one of the most critical elements to drive the success and longevity of a product. It requires efficient architecting, design, and well-coordinated efforts with the hardware and server software development.The main purpose of device drivers is to provide abstraction by acting as a translator between a hardware device and the applications or operating systems that use it. Programmers can write higher-level application code independently of whatever specific hardware the end-user is using. (Wiki)

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Key elements of an embedded device software

BSP / Firmware platform / Device drivers

The device software is a critical functional block of the software stack implemented as a board support package for an operating system-based design or a custom device firmware. Key considerations include scalable and modular architecture, low memory footprint, and robust API / middleware interface.

Bootloader

We have hands-on expertise on eBoot, sBoot, and custom bootloaders for a variety of firmware and operating systems-based solutions. Key considerations include Image authenticity check, security check, power-on-self- test (POST) of critical components, Image redundancy, firmware over the air upgrade (FOTA), and configuration storage.

BSP / Operating systems

Linux, Android, eCOS, uCos, Free RTOS, Nucleus OS, Thread OS, Note.

Microcontrollers and SoCs

Microchip, Texas Instruments, Renesas, Qualcomm, MediaTek, Nuvoton, Freescale, Intel, Nordic, NXP, ST microelectronics, Maxim, and others.

Device Drivers and Driver Subsystems
  • Interfaces: SPI, UART, I2C, USB, Ethernet, SDIO, PCI, UART, RS 485, CAN
  • Display / LCD: TFT, OLED, STN, character LCD, graphic LCD VGA, QVGA and custom display
  • HMI: Touch screen, keypad, Cap sense
  • Memory: NOR flash, NAND flash, SD card
  • Cellular: GPRS / LTE/ NBIoT, Wi-Fi, GPS / IRNSS / GLONASS
  • Wireless: Wi-Fi (802.11 a/b/g/n), BLE 5.0, LoRa
  • ADC / DAC and Sensors: sensors connected over analog, digital, PWM interface, ADC with 10 / 14 bit
Communication Protocol

Communication Protocol integrates with third-party systems like sensors, gateway devices, HMI, and cloud/web applications like MES, ERP, and CRM.

  • Protocols: Modbus, BLE GATT profiles, MQTT, MQTT-SN, LWM2M, JSON, custom profile over UART / RS485 / TCP/ IP / Wi-Fi, BLE / USB / CAN / OBD II interfaces.
Edge Analytics / Machine Learning

Analytics is a crucial element for actionable insights into an IoT solution. However, the analytics component is implemented at the server or the edge. With technological advancement, edge devices have better processing and memory resources. Therefore, it enables a possibility for faster (lower latency), reliable decision-making at the edge rather than depending on servers and GPUs.

UI / UX

UI/UX defines the user experience for the solution. Therefore, it is essential to design the user experience across Omni- channels for holistic user experience, e.g., UI / UX on android, iOS, QT, and custom frameworks.

Key Considerations
  • Define purpose
  • User Experience
  • Ease of Navigation
  • Branding
Diagnostics

At Source-Right, the diagnostic modules are enabled considering the purpose and user profile who would consume the data. For example, if the user is an end customer, the diagnostics should be based on a simple LED indication. Furthermore, messaging levels are enabled for a developer integration of tools, while for tech support, personal deployment-related data for field diagnosis are enabled.

  • Security: TLS 1.2, ARM trust zones, Crypto engines, AES 128 bit, SSL, HTTPS.

Projects We Worked On

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