在STM32下面实现SPI驱动，关于RC531的几种SPI总线驱动，包括软件模拟实现SPI和硬件实现SPI接口，具有参考价值。-STM32 implementation in the following SPI driver, on the RC531 several SPI bus driver, including software simulation and hardware implementation to achieve SPI SPI interface, with the re

STM32模拟RC531并口驱动 说明：STM32R8T6通过I/O模拟RC531并口驱动，支持ISO14443A和ISO14443B 两种类型卡的读写-STM32 simulation RC531 parallel drive