GPIO模拟SPI通信从机代码主函数为：#include"sys.h"#include"delay.h"#include"usart.h"#include"led.h"#include"key.h"#include"spi.h"#include"lcd.h"#include"sdram.h"unsignedchardata[9]="B15020106";intmain(void){u8receivr_Data=0,i=0;HAL_Init();Stm32_Clock_Init(360,25