#ifdef USE_DMA
inline void sFLASH_DMA_Init(void) {
    /* Enable the DMA peripheral */
    sFLASH_DMA_CLK_ENR |= sFLASH_DMA_CLK;
    // Set DMA peripheral addres
    sFLASH_DMA_TX_STREAM->CPAR = (uint32_t)&(sFLASH_SPI->DR);
    sFLASH_DMA_RX_STREAM->CPAR = (uint32_t)&(sFLASH_SPI->DR);
}

void sFLASH_DMA_End(void){
    // Wait until the data is received
    while ((sFLASH_DMA->sFLASH_DMA_ISR & sFLASH_DMA_RX_FLAG_TC) == RESET)
        ;

    //Disable the DMAs
    sFLASH_DMA_TX_STREAM->CCR = 0; // TX
    sFLASH_DMA_RX_STREAM->CCR = 0; // RX

    //Clear DMA flags
    sFLASH_DMA->sFLASH_DMA_IFCR = sFLASH_DMA_TX_FLAG_GL | sFLASH_DMA_RX_FLAG_GL;
}

void sFLASH_DMA_Tx(uint32_t cmdLen, const uint8_t *cmdBuf) {
    //Настраиваем и включаем нелепый поглотитель мусорных данных
    sFLASH_DMA_RX_STREAM->CNDTR = cmdLen;
    sFLASH_DMA_RX_STREAM->CMAR = (uint32_t) &trash;
#ifdef STM32F40_41xxx
    sFLASH_DMA_RX_STREAM->CCR = DMA_CCR_EN | sFLASH_DMA_RX_CHANNEL;
#else
    sFLASH_DMA_RX_STREAM->CCR = DMA_CCR_EN; // RX
#endif
    //Настраиваем и запускаем передачу
    sFLASH_DMA_TX_STREAM->CNDTR = cmdLen;
    sFLASH_DMA_TX_STREAM->CMAR = (uint32_t) cmdBuf;
#ifdef STM32F40_41xxx
    sFLASH_DMA_TX_STREAM->CCR = DMA_CCR_EN | DMA_CCR_MINC | DMA_SxCR_DIR_0 | sFLASH_DMA_TX_CHANNEL;
#else
    sFLASH_DMA_TX_STREAM->CCR = DMA_CCR_EN | DMA_CCR_MINC | DMA_CCR_DIR;
#endif
    sFLASH_DMA_End();
}

void sFLASH_DMA_Rx(uint32_t dataLen, uint8_t *dataBuf) {

    // Prepare the DMA TX and RX
    sFLASH_DMA_RX_STREAM->CNDTR = dataLen;
    sFLASH_DMA_RX_STREAM->CMAR = (uint32_t) dataBuf;
#ifdef STM32F40_41xxx
    sFLASH_DMA_RX_STREAM->CCR = DMA_CCR_EN | DMA_CCR_MINC | sFLASH_DMA_RX_CHANNEL;
#else
    sFLASH_DMA_RX_STREAM->CCR = DMA_CCR_EN | DMA_CCR_MINC;
#endif
    //Настраиваем и запускаем передачу
    sFLASH_DMA_TX_STREAM->CNDTR = dataLen;
    sFLASH_DMA_TX_STREAM->CMAR = (uint32_t) &dummy;
#ifdef STM32F40_41xxx
    sFLASH_DMA_TX_STREAM->CCR = DMA_CCR_EN | DMA_SxCR_DIR_0 | sFLASH_DMA_TX_CHANNEL;
#else
    sFLASH_DMA_TX_STREAM->CCR = DMA_CCR_EN | DMA_CCR_DIR;
#endif
    sFLASH_DMA_End();
}
#endif /* USE_DMA */