1_ReadWriteByte(0xFF); //RF1101启动传输 /SPI底层驱动,时钟使能,引脚配置 /此函数会被HAL_SPI_Init()调用 /hspi:SPI句柄 HAL_SPI_MspInit(SPI_HandleTypeDef *hspi) _InitTypeDef GPIO_Initure; _HAL_RCC_GPIOA_CLK_ENABLE(); //使能GPIOA时钟 _HAL_RCC_SPI1_CLK_ENABLE(); //...
;SPI_Init(SPI2,SPI_InitStructure);//根据设定的参数,初始化外设SPIx寄存器SPI_Cmd(SPI2,ENABLE);//使能外设SPI2_ReadWriteByte(0xff 60user1032023-12-14 08:08:26 能否实现SPI1和SPI2并联输出? 你好,我正在尝试使用 STM32F401 与多个spi从传感器进行通信。我需要在 1ms 的时间内多次访问传感器,所以我想并...
);SPIWriteByte((UCHAR)(nFMAddr&0x00ff));for(i=0;i<nFMNum;i++){*nFMData = SPIReadByte...
SPI2_ReadWriteByte（0xff）;//启动传输 } //SPI1速度设置函数 //SpeedSet:0~7 //SPI速度=fAPB1...
SPI1_ReadWriteByte(0xff);//Æô¶¯´«Êä } void SPI1_SetSpeed(u8 SpeedSet) { SPI1->CR1&=0XFFC7;//Fsck=Fcpu/256 if(SpeedSet==SPI_SPEED_2)//¶þ·ÖƵ { SPI1->CR1|=0<<3;//Fsck=Fpclk/2=36Mhz ...
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256; SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; SPI_InitStructure.SPI_CRCPolynomial = 7; SPI_Init(SPI2, &SPI_InitStructure); SPI_Cmd(SPI2, ENABLE); SPI1_ReadWriteByte(0xff); } 回复 使用道具 举报 Master...
20#define PICC_AUTHENT1A 0x60 //验证A密钥 21#define PICC_AUTHENT1B 0x61 //验证B密钥 22#define PICC_READ 0x30 //读块 23#define PICC_WRITE 0xA0 //写块 24#define PICC_DECREMENT 0xC0 //扣款 25#define PICC_INCREMENT 0xC1 //充值 26#define PICC_REST...
SPI2_ReadWriteByte(0xff) ;//啟動傳輸 } 追了半天，發現在這掛了，進入死循環 ！u8 SPI2_Read...
(SPI2->SR&0X01)==0);//等待接收完一个byte21returnSPI2->DR;//返回收到的数据22}2324//SPIx 读写一个字节25//TxData:要写入的字节26//返回值:读取到的字节27u8 SPI2_ReadWriteByte(u8 TxData)28{29u8 retry=0;30while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET)//检查指定...
adr2 = (addr & 0xff00)>>8; adr3 = addr & 0xff; SPI2_Flash_CS_LOW(); delay_us(2); SPI_FLASH_SendByte(READ_DATA);//¶ÁÊý¾ÝÖ¸Áî SPI_FLASH_SendByte(adr1); SPI_FLASH_SendByte(adr2); SPI_FLASH_SendByte(adr3); ...