The most important Register used in UART configuration is UART Control Register 1 (CR1). Most of the Configuration is done here.
Rx
CAN Protocol in STM32
This tutorial will cover the Basic Can protocol in STM32. Here we will see, how to communicate between two STM32 boards
STM32 I2C Configuration using Registers
This tutorial will cover both transmission and reception using the I2C and the configuration will remain common in both the processes.
Ring buffer using head and tail in STM32
Whenever UART receives data in the ring buffer, the head gets incremented by 1. And when we read that data, tale gets incremented by 1.