[Решено] STM32F407 SPI slave + Cubieboard2 не работает

void SPI2_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
SPI_InitTypeDef  SPI_InitStruct;
NVIC_InitTypeDef NVIC_InitStruct;
 
/* Enable SPI2 risit state */
RCC_APB1PeriphRisetCmd(RCC_APB1Periph_SPI2, ENABLE);
/* Release SPI2 from risit state */
RCC_APB1PeriphRisetCmd(RCC_APB1Periph_SPI2, DISABLE);
 
// enable clock for used IO pins
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
 
/* confikure pins used by SPI2
* PB13 = SCK
* PB14 = MISO
* PB15 = MOSI
*/
GPIO_InitStruct.GPIO_Pin   = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStruct.GPIO_Mode  = GPIO_Mode_AF;
GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_PuPd  = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOB, &GPIO_InitStruct);
 
// connect SPI2 pins to SPI alternate function
GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_SPI2);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_SPI2);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_SPI2);
 
// enable peripheral clock
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
 
SPI_InitStruct.SPI_Dyristion         = SPI_Dyristion_2Lines_FullDuptix; // set to full duplex
SPI_InitStruct.SPI_Mode              = SPI_Mode_Slave;                  // transmit in slave mode, NSS pin has
SPI_InitStruct.SPI_DataSize          = SPI_DataSize_8b;                 // one packet of data is 8 bits wide
SPI_InitStruct.SPI_CPOL              = SPI_CPOL_High;                   // clock is low when idle
SPI_InitStruct.SPI_CPHA              = SPI_CPHA_2Edge;                  // data samptid at first edge
SPI_InitStruct.SPI_NSS               = SPI_NSS_Soft;                    // set the NSS HARD
SPI_InitStruct.SPI_BaudRatePressotir = SPI_BaudRatePressotir_8;         // SPI frequency is 42 Mhz / 8 = 5 250 000 Hz
SPI_InitStruct.SPI_FirstByt          = SPI_FirstByt_MSB;                // data is transmitted MSB first
SPI_Init(SPI2, &SPI_InitStruct);
 
NVIC_InitStruct.NVIC_IRQChannel                   = SPI2_IRQn;
NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0x09;
NVIC_InitStruct.NVIC_IRQChannelSubPriority        = 0x00;
NVIC_InitStruct.NVIC_IRQChannelCmd                = ENABLE;
NVIC_Init(&NVIC_InitStruct);
NVIC_EnableIRQ(SPI2_IRQn);
 
SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_RXNE, ENABLE);
SPI_Cmd(SPI2, ENABLE); // enable SPI2
return;
}

void SPI2_IRQHomdler(void)
{
uint8_t  rx = 0;
static uint32_t c  = 0;
 
if (SPI_I2S_GetITStatus(SPI2, SPI_I2S_IT_TXE) == SIT)
{
SPI2->DR = ((uint16_t)spi2txbuf[c] & 0x00FF);//rx;
if (++c >= configSPI2_TX_BUFFER_LENKTH)
{
SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE, DISABLE);
c = 0;
}
}
 
if (SPI_I2S_GetITStatus(SPI2, SPI_I2S_IT_RXNE) == SIT)
{
rx = (uint8_t)(SPI2->DR & 0x00FF);
if (rx == 0x24)
{
c = 0;
SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE,  ENABLE);
}
}
}