求助大神，为什么我的stm32spi做从机，接收进不了中断？

xiaozeilang · 发表于 2017-3-23 14:51:55

int main(void)
{
delay_init();
uart_init(9600);
LED_Init();
SPI1_Slave_Init();
while(1)
{
      ；
}
}
void SPI1_Slave_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;
  SPI_InitTypeDef SPI_InitStructure;
  NVIC_InitTypeDef NVIC_InitStructure;
  RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA|RCC_APB2Periph_SPI1, ENABLE );

  //Configure SPI2 pins: SCK, MISO and MOSI
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  //1st phase: SPI1 slave
  //SPI1 Config
  SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_RxOnly;
  SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
  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_Hard; //?NSS
  SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; //MSB??
  SPI_InitStructure.SPI_CRCPolynomial = 7;
  SPI_Init(SPI1, &SPI_InitStructure);
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
  NVIC_InitStructure.NVIC_IRQChannel = SPI1_IRQn;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);
  /* Enable SPI2 RXNE interrupt*/
  SPI_I2S_ITConfig(SPI1,SPI_I2S_IT_RXNE,ENABLE);
  //Enable SPI2
  SPI_Cmd(SPI2, ENABLE);
}
void SPI1_IRQHandler(void)
{
   SPIReceiveBuff[SPIRxLen++] = SPI_I2S_ReceiveData(SPI2);
}

求助各位大神，我用的是stm32F103rct6，配置成从机模式，通过主机给其发送数据，仿真看，中断都进不去。。。
我的初始化配置过程有什么问题吗？