stm32f4 spi2的配置问题

void SPI2_configuration(void){
SPI_InitTypeDef SPI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;

/* SCK_GPIO MOSI_GPIO, MISO_GPIO clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC);

/* Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);

/* Configure pins: SCK */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOB, &GPIO_InitStructure);

/* Configure SPI pins: MISO */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_Init(GPIOC, &GPIO_InitStructure);

/* Configure SPI pins: MOSI */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_Init(GPIOC, &GPIO_InitStructure);

/* Connect PXx to SPI_SCK */
GPIO_PinAFConfig(GPIOB, GPIO_PinSource10, GPIO_AF_SPI2);

/* Connect PXx to SPI_MISO */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource2, GPIO_AF_SPI2);

/* Connect PXx to SPI_MOSI */
GPIO_PinAFConfig(GPIOC, GPIO_PinSource3, GPIO_AF_SPI2);

/* SPI Config */
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_Init(SPI2, &SPI_InitStructure);

SPI_Cmd(SPI2, ENABLE); /* SPI enable */
}

这个问题我也遇到了 你解决了吗

初步认定是PC2有问题，你应该用的是原子的开发板吧？