Most write-ups on event-driven firmware stop at the conceptual layer: events decouple modules, a queue holds them, a dispatcher routes them. That part is easy
Month: June 2026
Secure Boot and OTA Firmware Updates on ARM Cortex-M: A Production Guide to TrustZone, MCUboot, and Rollback Protection
Most “secure firmware update” tutorials stop at the part that was never hard. They show you the upload — image transfers over BLE or HTTP,
Hierarchical State Machines (HSM) in C for Telecom and RF Firmware
In telecom, RF, SATCOM, and industrial communication products, firmware coordinates dozens of subsystems that all run at once: PLL lock supervision, thermal protection, VSWR monitoring,
