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I need compact, well-documented DMA firmware whose sole job is efficient data transfer. The code must be tuned for burst transfers and interface cleanly with an SPI peripheral. The microcontroller already exposes a DMA engine; what’s missing is the firmware layer that sets up channels, kicks off each burst at the right moment, and signals completion back to the application. Timing is critical, so I expect zero-copy handling, minimal CPU intervention, and clear interrupt-driven logic. Please write in C (or C++ if you can justify it) and include concise inline comments plus a short README that explains register usage, buffer alignment requirements, and how to scale the solution if I later choose to add UART or I2C. Deliverables: • Source code ready to build with my existing toolchain • README covering setup, configuration constants, and an example burst transaction • A brief test routine that proves stable transfers on SPI at the target clock rate I’m happy to answer hardware-specific questions once you’re on board; let’s keep the first milestone focused on getting reliable bursts moving over SPI.
Project ID: 40323611
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Active 22 days ago
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30 freelancers are bidding on average $1,106 USD for this job

Hi, I can deliver a compact DMA firmware layer focused on one job: fast, reliable SPI burst transfers with minimal CPU involvement. I would implement this in C unless your environment strongly benefits from C++. The first milestone would include: * DMA channel setup and burst-trigger logic * Zero-copy transfer flow where supported by the hardware * Interrupt-driven completion/error handling * Clean, concise inline documentation * README with register usage, alignment requirements, config constants, and notes for future UART/I2C expansion * A simple stress/test routine proving stable SPI DMA transfers at the target clock rate I design low-level firmware to be deterministic, easy to integrate, and easy to extend. Once I have the MCU family, DMA/SPI details, and toolchain information, I can keep the implementation tightly matched to your hardware. I’m happy to start with the SPI-only milestone and keep the architecture ready for future peripherals. Best, Duong
$1,500 USD in 15 days
6.8
6.8

Having spent over 8 successful years immersed in the development of embedded products, specifically in firmware creation and design, I believe I would be an excellent match for your Burst-Transfer DMA Firmware project. My skillset aligns well with your requirements; I have extensive experience working with microcontrollers like STM32, NXP, and TI to name a few. In addition to my firm grasp on register usage and buffer alignment requirements, I can also provide valuable insights on scalability, discussing how this solution could potentially integrate UART or I2C interfaces. The amplitude of my involvement in designing devices from scratch has sharpened my problem-solving capability and enhanced the insights necessary to complement this firmware with your existing toolchain. I strictly abide by project deadlines without compromising quality. From schematic designs, Altium/Kicad outputs to PCB Layout and Manufacturing solutions; you'll experience a comprehensive offering from a single point of contact. Let us unlock the potentials that lie within your Burst-Transfer DMA Firmware together, ensuring it not only aligns perfectly with your hardware but also stands miles ahead in terms of quality, functionality, and efficiency!
$1,125 USD in 7 days
6.7
6.7

With over a decade of experience in web and mobile development, I understand the importance of efficient and well-documented DMA firmware for your Burst-Transfer project. Your requirement for compact code optimized for burst transfers aligns perfectly with my expertise in low-level programming and interfacing with peripherals like SPI. In the realm of firmware development, I have successfully delivered similar projects in the past, ensuring zero-copy handling, minimal CPU intervention, and precise interrupt-driven logic. My proficiency in C/C++ will enable me to create a firmware layer that sets up DMA channels, initiates bursts at the right moment, and communicates completion effectively. Having worked on diverse projects in industries like FinTech, eCommerce, and blockchain, I bring a wealth of experience to tailor solutions that meet specific requirements. I am confident in my ability to deliver the source code, README documentation, and test routines that will ensure stable transfers on SPI at the desired clock rate. I am excited to discuss your Burst-Transfer DMA Firmware project further and collaborate effectively with you. Let's make progress towards achieving reliable bursts over SPI.
$1,200 USD in 20 days
5.9
5.9

Hi Kamdaman, Just last week I completed a similar task successfully, so I can get started on this without any ramp-up time. Which MCU/SoC and exact DMA/SPI instance are we targeting (linked-list/BD support, request lines, FIFO), plus SPI mode (CPOL/CPHA), word size (8/16-bit), max SPI clock, and typical burst sizes/patterns? Is chip-select driven by hardware NSS or GPIO, and how should bursts be armed—GPIO edge, timer trigger, or SPI FIFO level—and do you require full-duplex capture or TX-only with dummy reads? Suggestion 1: Use zero-copy ping‑pong buffers with DMA descriptor chaining (or circular mode) so each burst overlaps prep and transfer; tune burst size, alignment to cache line/FIFO width, and SPI FIFO thresholds to minimize IRQs and stalls. Suggestion 2: Build a thin, register-level C driver with compile-time config tables for channels/requests, a common ISR (TX/RX complete and error paths), and optional timer‑gated CS; this keeps latency low now and enables drop‑in UART/I2C later. Action Plan: - Phase 1: Confirm registers, clocking, CS scheme; define config and alignment. - Phase 2: Implement DMA init, channel setup, ping‑pong descriptors, SPI start/stop; zero‑copy API. - Phase 3: ISR and completion signaling; error counters (over/under‑run), tight IRQ path. - Phase 4: Test routine at target SPI rate; measure throughput/latency; tune thresholds. - Phase 5: README (register use, alignment, scaling to UART/I2C); finalize source. Best Regards, Sid
$1,500 USD in 16 days
5.6
5.6

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: Antenna Design (CST, HFSS) Embedded C Programming. VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI MATLAB/SIMULINK Network Simulator NS2/NS3 Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. IDEs like Keil MDK V5, ATmel studio and MPLab XC8. PLCs / SCADA PCB Designing Proteus, Eagle, KiCAD and Altium IOT Technologies like Ethernet, GSM GPRS. HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.
$1,125 USD in 7 days
6.0
6.0

Hello, I can develop compact, well-documented DMA firmware for your microcontroller that enables efficient burst transfers over SPI. The firmware will configure DMA channels, trigger each burst precisely, and signal completion via interrupts with minimal CPU load. Zero-copy handling will be used to maximize throughput, and inline comments plus a README will explain register usage, buffer alignment, and scaling for future UART or I2C integration. Deliverables include source code ready to build with your toolchain, a README detailing setup, configuration constants, and example burst transactions, and a brief test routine verifying stable SPI transfers at the target clock rate. The solution will prioritize reliability, timing accuracy, and ease of adaptation for additional peripherals. Thanks, Asif
$1,500 USD in 11 days
5.0
5.0

Hi, I am a U.S.-based certified electronics and embedded firmware engineer with extensive experience architecting deterministic, high-throughput DMA solutions for SPI-centric systems in performance-critical environments. My background includes developing zero-copy, interrupt-driven DMA frameworks across STM32, NXP, and Microchip platforms, consistently achieving precise burst timing with negligible CPU overhead. For your application, I will deliver a rigorously structured C-based firmware layer that cleanly abstracts DMA channel configuration, tightly synchronizes with SPI transactions, and ensures reliable, repeatable burst execution. Particular attention will be given to memory alignment, cache coherency (where applicable), and register-level optimization to maximize transfer efficiency and scalability. The deliverables will include production-ready source code, a concise yet technically thorough README covering configuration parameters, register usage, and extensibility to UART/I2C, as well as a validated test routine demonstrating stable operation at target SPI clock rates. My approach emphasizes precision, clarity, and long-term maintainability, ensuring seamless integration into your existing toolchain and a solid foundation for future expansion. Best regards. Jared
$1,500 USD in 7 days
4.7
4.7

Hello, how are you? I specialize in low-level embedded firmware with a strong focus on deterministic data paths and DMA-driven architectures. I’ve built multiple high-throughput systems on STM32 and similar MCUs where SPI + DMA handled sustained burst transfers with near-zero CPU load. For your requirement, I will deliver a clean, modular DMA layer that: • Uses zero-copy buffers with proper alignment and cache safety (if applicable) • Ensures deterministic burst triggering tied to SPI events • Implements interrupt-driven completion with minimal latency • Keeps the abstraction thin so you retain full control over timing I’ll also document the exact register configurations, constraints (alignment, FIFO usage, burst size), and provide a test routine that validates stability at your target SPI clock. The design will be scalable—so extending to UART or I2C later won’t require rewriting the core DMA logic, only adapting peripheral bindings. Once we connect, I can share relevant past work and walk through how I approach timing-critical firmware like this. Best regards.
$900 USD in 10 days
2.8
2.8

Hello! I'm excited to see your project — it aligns with my experience. I’ve developed DMA-driven firmware for SPI and high-speed peripherals where low latency, zero-copy buffers, and interrupt-driven flow are critical. I focus on clean register-level control, efficient burst handling, and minimal CPU overhead. For your firmware, I would implement DMA channel setup, buffer alignment, and SPI-triggered transfers with interrupt callbacks for completion and error handling. The design will support burst transactions with precise timing, using double-buffering or circular buffers if needed for continuous throughput. I keep the code compact, well-structured, and easy to extend. You’ll receive clean C code with inline comments, plus a README explaining register configuration, buffer requirements, and how to extend the design to UART or I2C. I’ll also include a small test routine to validate stable SPI transfers at your target clock. Questions: Which MCU family are you using so I can align with its DMA controller specifics? Do you require single-shot bursts only, or continuous streaming with buffer rotation? Hope we can team up and make this project a success! Thank you for considering my proposal.
$1,125 USD in 7 days
1.9
1.9

Hi, I can develop optimized DMA-based firmware for high-speed burst data transfer over SPI, ensuring minimal CPU usage and reliable performance. I have experience in embedded C, DMA configuration, and SPI communication. I will implement efficient zero-copy data handling, configure DMA channels, and design an interrupt-driven architecture to manage burst transfers with precise timing and completion signaling. Scope: *DMA configuration and channel setup *SPI integration with DMA (TX/RX burst transfers) *Interrupt-driven transfer completion handling *Zero-copy buffer management and alignment *Performance optimization for timing-critical operation Deliverables: *Clean, well-commented source code *Example test routine for SPI burst transfer *Integration-ready code for your toolchain Approach: *Configure DMA for efficient memory-to-peripheral transfer *Integrate SPI with DMA for continuous burst operation *Use interrupts for completion handling (no polling) *Optimize for low latency and minimal CPU overhead *Validate performance at target SPI clock rate I will deliver a compact, efficient, and scalable DMA firmware solution.
$1,200 USD in 7 days
1.5
1.5

Hi — I can do this. I’ve worked with DMA + SPI setups, so I know how to keep transfers efficient with minimal CPU involvement. I’ll set it up cleanly with interrupt-driven flow, proper buffer alignment, and reliable burst handling. The focus will be simple and stable: configure channels, trigger bursts at the right time, and signal completion without overhead. You’ll get clean C code, a short README, and a small test routine to verify transfers. Can you share the MCU and toolchain you’re using? I can start right away.
$750 USD in 7 days
0.0
0.0

Hello I’m very interested in developing your DMA firmware for efficient SPI burst transfers. This type of low-level, performance-critical work aligns closely with my experience in embedded systems, particularly with DMA engines, interrupt-driven design, and high-throughput data handling. I have hands-on experience writing optimized firmware in C for microcontrollers, focusing on zero-copy data paths, minimal CPU overhead, and deterministic timing. I’m comfortable configuring DMA channels, synchronizing transfers with SPI peripherals, and implementing clean interrupt-based completion handling to ensure reliable, repeatable burst performance. For your project, I will deliver: Compact, well-structured C firmware for DMA-driven SPI transfers Efficient burst transfer setup with proper buffer alignment and zero-copy handling Interrupt-driven completion signaling with minimal latency Clear inline comments and a concise README covering register usage, configuration, and scalability (UART/I2C extension) A test routine to validate stable SPI transfers at your target clock rate I focus on writing clean, maintainable code that integrates smoothly with existing toolchains and hardware setups, while ensuring performance is fully optimized. I’d be glad to discuss your MCU platform and SPI requirements to get started on the first milestone quickly. Best regards,
$800 USD in 5 days
0.0
0.0

Hi, how are you doing? I can develop a compact, efficient DMA firmware layer for SPI with zero-copy transfers, minimal CPU load, and clean interrupt-driven handling. I have experience working with microcontroller DMA engines, optimizing burst transfers, and ensuring stable high-speed communication with precise timing control. I’ll deliver well-structured C code with clear comments, a test routine for validation, and a concise README covering setup, register usage, and how to extend the solution to UART/I2C. Best regards, Weston
$750 USD in 7 days
0.0
0.0

Hello I’m very interested in developing your DMA firmware for high-efficiency SPI burst transfers. This type of low-level, performance-critical work aligns directly with my experience in embedded systems, particularly with DMA configuration, SPI interfacing, and deterministic, interrupt-driven design. I have hands-on experience implementing zero-copy DMA pipelines, optimizing memory alignment, and minimizing CPU overhead to achieve reliable high-speed data movement. I’m comfortable working at the register level as well as with vendor libraries, ensuring both performance and clean integration with your existing toolchain. For your project, I will deliver: Compact, well-structured C firmware focused on efficient DMA-driven SPI transfers Proper channel setup, burst timing control, and interrupt-based completion handling Optimized buffer alignment and zero-copy data flow for maximum throughput Clear inline comments and a concise README covering register usage, configuration, and scalability to UART/I2C A test routine demonstrating stable SPI transfers at your target clock rate My approach emphasizes reliability, clarity, and performance, ensuring the firmware is easy to extend while maintaining tight timing constraints. I’d be glad to review your MCU specifics and SPI configuration to begin delivering a stable first milestone quickly. Best regards,
$900 USD in 5 days
0.0
0.0

I am a computer engineer and the Low Level Software Lead for a Racing Team, where I specialize in high-performance firmware and real-time data acquisition. My experience managing complex sensor networks and communication protocols in high-stakes environments makes me uniquely qualified to deliver the robust DMA solution you require. For this project, I will implement a compact, high-efficiency DMA firmware layer tuned for SPI burst transfers. My approach focuses on: Zero-Copy Handling: Utilizing direct memory access to eliminate CPU overhead during data movement. Interrupt-Driven Logic: Ensuring precise timing and immediate signaling upon transfer completion. Hardware Rigor: Implementing strict buffer alignment and register-level optimizations to ensure stability at high clock rates. I provide clean, well-documented C code designed for scalability, allowing for easy integration of UART or I2C peripherals in the future.
$750 USD in 12 days
1.3
1.3

Hi, I’ve worked on DMA-based SPI data transfer systems before, including burst mode with low CPU usage. I can build your firmware to set up DMA channels, trigger clean burst transfers, and handle interrupts reliably for fast and stable performance. I’m Matthew, a software engineer focused on embedded systems and low-level C development. I recently created a similar SPI + DMA solution for real-time data streaming with zero-copy buffers. Do you already have a specific microcontroller (like STM32 or ESP32) and SPI clock target?
$1,000 USD in 7 days
0.0
0.0

❤️Hello‼️ I can develop a compact, high-performance DMA firmware layer in C that efficiently handles burst transfers for your SPI peripheral. The code will configure DMA channels, manage buffer pointers with proper alignment, and trigger bursts via interrupts with minimal CPU intervention. Each transfer will be zero-copy, and completion will be signaled back to your application cleanly, enabling deterministic timing for high-speed SPI communication. I’ll include concise inline comments throughout so the logic is easy to follow and maintain. The deliverables will include: Fully buildable source code compatible with your existing toolchain A README detailing register usage, buffer alignment requirements, configuration constants, and guidance for scaling to UART/I2C in the future A simple test routine demonstrating stable SPI bursts at the target clock rate The firmware will be structured for flexibility and scalability, so adding new DMA-driven peripherals later will require minimal changes. I’ll coordinate any hardware-specific details once I have access, ensuring the solution is robust and production-ready. I would welcome the opportunity to discuss the project through chat. Regards, Zara.
$750 USD in 7 days
0.0
0.0

Hello, there! This makes me a perfect fit for your project that focuses on building compact, well-documented DMA firmware for efficient data transfer with an SPI peripheral. Having specialized in developing custom automated trading strategies and tools, I understand the significance of timing, zero-copy handling, minimal CPU intervention, and the need for clear interrupt-driven logic - all which are crucial to successful DMA operations. With your existing DMA engine in place, I can seamlessly set up channels, ensure efficient data transfer at the right moments, and signal back completion precisely as required. Moreover, my proficiency in C (and C++, if necessary) combined with my ability to deliver concise inline comments and well-documented readme files will ensure that your firmware is not only clean but also scalable. As requested, I will delineate register usage, buffer alignment requirements, and imbue a easy-to-follow setup configuration churner in the README - making it easier for you to scale up with UART or I2C addition. Let my seniority in full-stack engineering, particularly involving deep integration development such as SPI protocols benefit this project. Hire me today for reliable burst transfers that aligns with your hardware’s clock rate; let's hit the ground running!
$1,000 USD in 10 days
0.0
0.0

With my expertise in C programming, strong background in electronics, and solid understanding of embedded systems, I am thrilled to offer my services for this DMA firmware project. As an Australian-based software engineer, I have been helping businesses like yours build, improve and maintain intricate systems resonating with efficiency. My wealth of experience includes designing smart algorithms and firmware tailored to achieve optimized data transfer. Understanding the significance of timing precision, your request for zero-copy handling, minimal CPU intervention and clear interrupt-driven logic is exactly what I specialize in. My past projects have significantly involved dealing with high-stake framework that required meticulous timing synchronization with minimal to no room for error - a forte highlighted in your project description.
$1,500 USD in 3 days
0.0
0.0

With my solid 6+ years in the software development arena and my main areas of expertise being C Programming and my proficiency in working with various microcontrollers including DMA engines, I believe I am an excellent fit for your project requirement. Building compact, well-documented DMA firmware optimized for burst data transfer is a task I have executed seamlessly in the past, aligning perfectly with your requirements. In addition to that, I possess the ability to scale solutions as per your future needs, be it adding UART or I2C capabilities. What sets me apart is not only my technical skills but also my commitment to clear communication and proactive problem-solving. Timing being crucial for this project, I assure you of delivering zero-copy handling, minimal CPU intervention while guaranteeing stable transfers through interrupt-driven logic - all vital aspects of efficient data transfer. Moreover, I will provide you with a README document that will greatly facilitate your understanding of the code functionalities and register usage. To sum it up, partnering with me means you'll get not only a highly-skilled coder but a partner who takes complete responsibility for the success of your project. I’m dedicated to ensuring that your application performs at its best during each burst transaction over SPI. Let us take this journey together and build software that meets your immediate needs while staying poised for future enhancements.
$1,125 USD in 7 days
0.0
0.0

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