《嵌入式高阶C语言》第三十二节课：利用STM32硬件位带机制极致优化IO模拟SPI ...

The Serial Peripheral Interface (SPI) interface was initially standardized by Motorola in 1979 for short-distance communication in embedded systems. In its most common four-wire configuration, full… ...

[Pulko Mandy] got his hands on the new STM32 F3 Discovery board. He’s a fan of the open source tools just like we are, so he posted a guide covering the use of an open source toolchain with t… ...