February 2026: Delivered Rover Power Management Enhancement for the tiiuae/px4-firmware by switching rover power sourcing to an external battery source. This reduces reliance on the internal power module, improves battery management, and prevents unnecessary module activation. The work included a targeted fix to ensure the rover battery status is sourced externally, enhancing reliability and traceability of power state reporting.

November 2025 performance summary across tiiuae/px4-firmware, tiiuae/nuttx, and apache/nuttx. Delivered notable improvements in rover interface usability, battery management, and CAN-based communications, with enhancements spanning both PX4 firmware and Nuttx stacks. Key outcomes include clearer status visibility for rover operations, per-rover battery voltage tuning to optimize efficiency, and CAN/UAVCAN reliability improvements under high-frequency usage. Implemented MSS CAN fixes and transmission optimizations to reduce packet drops and improve throughput, while relaxing CAN frame length validation to support valid longer frames under configured scenarios. These efforts collectively improved system reliability, mission safety, and operational efficiency, enabling more deterministic rover performance in challenging environments.

In 2025-10, delivered two critical CAN-related improvements across Nuttx and PX4 firmware, enhancing reliability and upstream compatibility. Key outcomes include enabling CAN ID filtering on the i.MX9 FLEXCAN driver with a basic single-ID mask filter, introducing new ioctl-based filter management, and aligning the PX4 Rover CAN initialization with upstream Nuttx changes to ensure correct bitrate configuration. These changes reduce runtime message noise, improve determinism of CAN message processing, and ease future integration with Nuttx, delivering business value through more robust hardware abstraction layers and faster system bring-up.

July 2025 monthly summary for tiiuae/px4-firmware: Focused on improving test reliability and CI feedback under varying simulation speeds, with a concrete bug fix in MAVSDK test polling.

Monthly summary for 2025-05 focusing on the tiiuae/px4-firmware repository. Delivered enhancements to HITL and simulation environments and improved parameter handling, resulting in higher testing fidelity and maintainability with clear business value in safer flight validation and quicker iteration cycles.

April 2025 performance summary for the tiiuae/px4-firmware work focused on Rover CAN interface reliability and HITL/SITL simulation enhancements with rover integration. The month delivered targeted improvements that strengthen control reliability, expand test coverage, and reduce validation cycle times.

February 2025 monthly summary focusing on primary outcomes and business value. Key feature delivered: increased SITL uORB event waiter limit to 32 for SITL builds, improving simulation accuracy and performance for POSIX-based systems and kernel builds. This change enables more reliable event-driven testing in SITL environments and speeds up validation cycles. Major bugs fixed: none reported this month. Overall impact: higher fidelity SITL simulations, more efficient QA cycles, and a smoother developer feedback loop for firmware validation. Technologies/skills demonstrated: C/C++, PX4 firmware, SITL, uORB, POSIX, Linux kernel builds, and Git-based version control.

Summary for 2025-01: Delivered two MSS CAN drivers across Nuttx repos to enable robust CAN communication on MPFS and Polarfire SoCs. Key features include dual-CAN support on Polarfire and a full MSS CAN controller driver for MPFS, covering TX/RX, error handling, bitrate/config filters, plus build integration. These contributions extend platform reach, improve hardware interoperability, and accelerate customer adoption of CAN-capable embedded systems. Technologies demonstrated include C-level driver development, memory-mapped I/O, RISCV MPFS architecture, CAN protocol concepts, and kernel configuration/build integration.

July 2024 monthly summary for tiiuae/px4-firmware: focused on stabilizing sensor data flow and preserving flight control reliability. Delivered a targeted bug fix in the GZBridge module to restore airspeed sensor subscription functionality, reducing data loss risk and improving overall flight stability.

June 2024 PX4 firmware maintenance focused on HITL/GZSIM configuration readability. Implemented a cleanup of HITL ETH GZSIM sensor configuration by removing redundant comments, improving maintainability and reducing risk of misconfigurations in simulation tests. This small but valuable change enhances developer onboarding and reliability of HITL simulations.

In May 2024, focused on improving UAVCAN data reliability in tiiuae/px4-firmware. A critical bug fix disabled the UAVCAN ESC current reporting when using the Myxa ESC to prevent unreliable readings, ensuring telemetry reflects safe, accurate conditions. This change reduces data noise and potential misinterpretations in flight control, supporting safer UAV operation and more robust autopilot behavior. Implemented with a targeted fix in the UAVCAN current reporting path and validated against regression tests. Commits: 3ced18208fd256e0f010701184eeaeb5ebeff93f.

March 2024: Key deliverables include a bug fix for airspeed sensor calibration in PX4 firmware improving SITL accuracy, and major CAN data handling improvements in Nuttx that prevent buffer overflows when timestamps are enabled and streamline CAN frame reception. These changes reduce simulation inaccuracies, boost runtime performance, and improve overall system reliability across embedded sensing and communication subsystems.

February 2024 monthly summary for tiiuae repositories. Key features delivered include HITL Simulation Configuration with Ethernet Gazebo config to enable enhanced testing, and user-experience improvement by suppressing rover-type not found messages in SITL/HITL simulations to reduce log noise. Major bugs fixed include CAN FD Sample Point Validation (accepting 0 as a valid sample point) and build/logical fixes for CAN FD driver headers and memory map includes, improving build reliability and integration. Overall impact: Expanded testing capabilities for HITL with Ethernet Gazebo, reduced unnecessary runtime noise in SITL/HITL workflows, and strengthened CAN FD stability and build hygiene, enabling smoother integration and fewer runtime defects. Demonstrated proficiency in embedded systems testing, CAN FD driver development, and build-system dependency management.

2024-01 monthly summary for tiiuae/px4-firmware: Delivered PX4 Hardware-In-The-Loop (HITL) Sensor Simulation Enablement with a configuration-driven startup, significantly improving testing and validation capabilities in the simulation environment. No major bugs reported this month; focus was on delivering a robust testing feature and preparing the codebase for broader HITL adoption.

Monthly summary for 2023-10: Delivered significant rover autonomy improvements in tiiuae/px4-firmware, focusing on stability of rover position control, new speed and angular velocity control modes for smoother navigation, and simplified parameter management by unifying throttle into a single vehicle speed parameter. Also fixed yaw output control to enhance navigation accuracy. These changes improve autonomous reliability, reduce operator tuning, and enable safer, more predictable rover operations in autonomous missions.

Monthly summary for 2023-09: Delivered Rover bunker airframe support in tiiuae/px4-firmware by updating initialization parameters and rover logic to accommodate bunker and bunker mini types; updated the rover interface to recognize and operate bunker configurations, ensuring compatibility and functionality. The change was implemented via commit 8b8f58ad58e82f8d1106309dd9902830d15c123b: Enable bunker aiframe support in rc.rover_apps. This work expands hardware compatibility, reduces integration effort for new rover variants, and strengthens the PX4 firmware platform for diverse rover deployments, delivering measurable business value in hardware flexibility and deployment speed.

July 2023 monthly summary for tiiuae/px4-firmware: Delivered observability-focused improvement for UAVCAN parameter access logging. No functional changes, but logging behavior adjusted to reduce noise and improve log clarity. This supports faster debugging and operational insight with minimal risk.

Monthly summary for 2023-06 focusing on key accomplishments for tiiuae/px4-firmware: reliability improvements in UAVCAN data handling and expanded simulation capabilities.

May 2023 performance summary: Delivered cross-repo CAN improvements across tiiuae/nuttx and tiiuae/px4-firmware, focusing on CAN FD support, UAVCAN throughput, and robust interface handling. Achievements span feature delivery, critical bug fixes, and performance optimization, driving bus reliability and data throughput for embedded CAN ecosystems.

April 2023 monthly summary focusing on CAN communications work across two repositories. Implemented rover CAN driver and messaging layer in px4-firmware to enable rover status, motion commands, and light controls; fixed CAN FD hardware filter handling in nuttx to ensure correct identifier transformation and filter register writes.

February 2023 monthly summary for tiiuae/px4-firmware: Implemented Configurable UAVCAN Dynamic Node Server Activation by adding a UAVCAN_ENABLE parameter and parameter checks to initialize the dynamic node server safely and configurably, replacing the previous hardcoded activation. This change improves configurability, safety, and deployment reliability of the UAVCAN subsystem.

January 2023 monthly summary focusing on feature delivery and performance improvements across two repositories (tiiuae/nuttx and tiiuae/px4-firmware). Highlights include targeted refactors to improve efficiency, clearer design, and enhancements that boost drone control capabilities, reliability, and memory utilization.

June 2022 — Delivered a dedicated MPFS CANFD driver testing configuration for the RISC-V Icicle board in tiiuae/nuttx. The configuration enables targeted MPFS CANFD testing with network and CAN protocol support, strengthening automotive validation workflows and reducing test setup time for test runs. This work expands test coverage for CANFD scenarios and improves the embedded testing framework's usability.

May 2022 monthly summary for tiiuae/nuttx. Primary deliverable focused on expanding CAN-FD capabilities for MPFS with a new socket driver. Delivered MPFS CAN-FD Socket Driver that enables full transmit/receive support, configuration options, and necessary register definitions, enabling reliable CAN-FD communication on MPFS-based systems. Work tracked under arch/risc-v/src/mpfs with the commit 9cbbe987f17716487a776a54c5dd0b57e3c61684. No major bugs reported or fixed in this period. Overall impact: expands CAN-FD capabilities for MPFS deployments, improving data throughput, reliability, and integration with the existing NuttX CAN subsystem. Technologies/skills demonstrated: kernel driver development, RISC-V/MPFS porting, CAN-FD protocol handling, low-level hardware register access, and thorough source control traceability.