RCC->APB2ENR|=1<<2;
RCC->APB2ENR|=1<<3;
GPIOA->CRL&=0XFFF0fffF;
GPIOA->CRL|=0X00030000;
GPIOA->ODR|=1<<4;
//PAout(4)=1;
GPIOB->CRL&=0XFFFFFF00;
GPIOB->CRL|=0X00000083;
GPIOB->ODR|=0x1<<0;
//操作线的配置
SPI1_Init();
SPI1->CR1&=~(1<<6);
SPI1->CR1&=~(1<<1);
SPI1->CR1&=~(1<<0);
SPI1->CR1|=1<<6;
NRF24L01_SPI1_CE=0;
NRF24L01_SPI1_CSN=1;
//SPI配置
我的SPI用的原子的SPI库,24L01的操作线是
#define NRF24L01_SPI1_CE PAout(4)
#define NRF24L01_SPI1_CSN PBout(0)
#define NRF24L01_SPI1_IRQ PBin(1)