7.6. The SPI driver

This library is an implementation of the STM32F4 Serial Peripheral Interface (SPI).

It provide an abstraction of the SPI device interactions through high level API and allows multiple drivers to share a given SPI line.

Table of Contents

• 7.6.1. SPI bus principle
  • 7.6.1.1. Principles
• 7.6.2. The drvSpi API
  • 7.6.2.1. Initializing the SPI driver
  • 7.6.2.2. Enabling and disabling the SPI
  • 7.6.2.3. Getting SPI bus state
  • 7.6.2.4. Communicating with SPI peripherals
• 7.6.3. FAQ
  • 7.6.3.1. Can the flash driver handle multiple SPI devices in the same time