;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...
void SPIWriteByte(UCHAR nByte){ UCHAR rd;SPI_ReadWriteByte(nByte,&rd);} //SPI读一个字节 UC...
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(); //...
GPIO_SetBits(GPIOA,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); 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;//...
retry++;if(retry>200)break;} /* Send byte through the SPI1 peripheral */ SPI_I2S_SendData(SPI2, TxData); //通过外设SPI1发送一个数据 retry=0;} void LCD_WrCmd(uint8_t cmd){ OLED_RS_Clr();OLED_CS_Clr();SPI2_ReadWriteByte(cmd);OLED_CS_Set();OLED_RS_Set();} 这样CS的逻辑...
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...
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...
I currently have the problem that when I want to send a byte via the SPI interface, it gets stuck in the first while loop. just why? What other condition must exist?Code: Untitled.c Select all void spiWriteByte(uint8_t data)
usb_status=CH376ByteWrite("\r\n", 2, NULL);} usb_status=CH376FileClose(TRUE);} 100多K的...
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_RESTORE 0xC2 //调块数据到缓冲区 27#define PICC_TRANSFER 0xB0 //保存缓冲区中数据 28#define...