stm32 HAL I2C

The STM32 HAL I2C (Inter-Integrated Circuit) library is a set of software functions that simplifies the process of using I2C communication on STM32 microcontrollers. The library is part of the STM32Cube software package, which includes a set of libraries and tools for STM32 development.

The HAL I2C library provides functions for initializing, configuring, and controlling I2C communication. It also includes functions for reading and writing data over the I2C bus.

To use the HAL I2C library, the user needs to include the appropriate header files and link the library with their project. The library functions can then be called to perform I2C communication.

Some of the key features of the HAL I2C library include:

- Support for multiple I2C buses
- Configurable I2C clock speed
- Support for both master and slave modes
- Interrupt-driven communication
- DMA support for high-speed data transfer

Overall, the STM32 HAL I2C library provides an easy-to-use and reliable way to implement I2C communication on STM32 microcontrollers.