Tag
USART
Technical notes tagged USART.
2026-07-04
STM32 USART Interrupt-Driven Communication — Register-Level Configuration on STM32F4
Complete register-level guide to STM32F4 USART interrupt-driven TX/RX: baud rate generation, data format, TXE/RXNE/TC interrupt management, overrun/framing error handling, ring buffer implementation, and a practical GPS module communication example.
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2026-06-04
STM32 USART Interrupt-Driven Ring Buffer: Lock-Free RX/TX on STM32F4
A practical guide to implementing a lock-free ring buffer for USART interrupt-driven communication on STM32F4: register-level USART setup, circular buffer design with power-of-2 masking, RX/TX interrupt handlers, and a fully working echo/command parser.
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