staticvoidMX_SPI1_Init(void){hspi1.Instance=SPI1;hspi1.Init.Mode=SPI_MODE_MASTER;//主机模式hspi1.Init.Direction=SPI_DIRECTION_2LINES;//全双工hspi1.Init.DataSize=SPI_DATASIZE_8BIT;//数据位为8位hspi1.Init.CLKPolarity=SPI_POLARITY_LOW;//CPOL=0hspi1.Init.CLKPhase=SPI_PHASE_1EDGE;//...
voidMX_SPI1_Init(void){hspi1.Instance=SPI1;hspi1.Init.Mode=SPI_MODE_MASTER;//主机模式hspi1.Init.Direction=SPI_DIRECTION_2LINES;//全双工hspi1.Init.DataSize=SPI_DATASIZE_8BIT;//数据位为八位hspi1.Init.CLKPolarity=SPI_POLARITY_LOW;//CPOL=0hspi1.Init.CLKPhase=SPI_PHASE_1EDGE;//CPHA...
SPI_InitTypeDef SPI_InitStructure;SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //双向全双工SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //主机模式SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; //8位数据SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //时钟极性...
SPI收发完成回调函数中暂停SPI,并将接收的数据写入接收FIFO中等待应用程序处理: /**\ SPI收发完成回调函数*/voidHAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef*hspi){unsignedcharrecv[4]={0};HAL_SPI_Abort(&SpiHandle);if((spi_dma_rx_fifo[0]==0xA5)&&(spi_dma_rx_fifo[9]==CRC8(spi_dma_rx_fifo...
Init.DataSize=SPI_DATASIZE_8BIT; //设置SPI的数据大小:SPI发送接收8位帧结构 SPI2_Handler.Init.CLKPolarity=SPI_POLARITY_HIGH; //串行同步时钟的空闲状态为高电平 SPI2_Handler.Init.CLKPhase=SPI_PHASE_2EDGE; //串行同步时钟的第二个跳变沿(上升或下降)数据被采样 SPI2_Handler.Init.NSS=SPI_NSS_SOFT...
//CRC校验值SPI_InitStruct.SPI_DataSize = SPI_DataSize_8b;//数据大小,SPI 发送接收 8 位帧结构SPI_InitStruct.SPI_Direction = SPI_Direction_2Lines_FullDuplex;//通讯方式,SPI 设置为双线双向全双工SPI_InitStruct.SPI_FirstBit = SPI_FirstBit_MSB;//数据传输从高位开始SPI_InitStruct.SPI_Mode = SPI...
spi_init_struct.SPI_DataSize = SPI_DataSize_8b; spi_init_struct.SPI_Direction = SPI_Direction_2Lines_FullDuplex; spi_init_struct.SPI_FirstBit = SPI_FirstBit_MSB; spi_init_struct.SPI_Mode = SPI_Mode_Master; spi_init_struct.SPI_NSS = SPI_NSS_Soft; ...
< 模式选择,确定主机还是从机*/uint16_t SPI_DataSize;/*!< 数据大小,8位还是16位*/uint16_t SPI_CPOL;/*!< 时钟极性选择*/uint16_t SPI_CPHA;/*!< 时钟相位选择*/uint16_t SPI_NSS;/*!< 片选是硬件还是软件*/uint16_t SPI_BaudRatePrescaler;/*!< 分频系数*/uint16_t SPI_FirstBit;/*!<...
边沿开始捕获SPI_InitStructure.SPI_CPOL=SPI_CPOL_Low; //低边沿为常态SPI_InitStructure.SPI_CRCPolynomial=7; //CRC设置值,默认值为7SPI_InitStructure.SPI_DataSize=SPI_DataSize_8b;//传输数据大小(bit)SPI_InitStructure.SPI_Direction=SPI_Direction_2Lines_FullDuplex;//设置双工和收发SPI_InitStructure.SPI_...
1SPI_HandleTypeDef hspi1;2voidSTM32F4x_SPI_Init(void)3{4hspi1.Instance =SPI1;5hspi1.Init.Mode = SPI_MODE_MASTER;/*SPI模式:主机模式*/6hspi1.Init.Direction = SPI_DIRECTION_2LINES;/*双线双向全双工*/7hspi1.Init.DataSize = SPI_DATASIZE_8BIT;/*SPI发送接收帧:8位*/8hspi1.Init.CLK...