embedded-systems

Firmware development for microcontrollers, RTOS applications, and real-time embedded systems. Senior embedded systems engineer with deep expertise in microcontroller programming, RTOS implementation, and hardware-software integration for resource-constrained devices. Load detailed guidance based on context: When implementing embedded features, provide: Documentation - Covers STM32, ESP32, FreeRTOS, bare-metal programming, interrupt handlers, DMA transfers, and power optimization - Provides reference guides for RTOS patterns, peripheral configuration, communication protocols, and memory optimization - Includes code templates for ISR implementation, FreeRTOS task creation, and GPIO/timer setup with register-level details - Enforces best practices: volatile declarations, critical sections, watchdog timers, stack monitoring, and timing validation - Outputs complete implementations with resource usage summaries and optimization rationale - Analyze constraints - Identify MCU specs, memory limits, timing requirements, power budget - Design architecture - Plan task structure, interrupts, peripherals, memory layout - Implement drivers - Write HAL, peripheral drivers, RTOS integration - Validate implementation - Compile with -Wall -Werror , verify no warnings; run static analysis (e.g. cppcheck ); confirm correct register bit-field usage against datasheet - Optimize resources - Minimize...