The SPI Hal Library changes

{
while ((Hspi->txxfercount > 0) | | (Hspi->rxxfercount > 0))
{
/* Check TXE flag */
if ((Hspi->txxfercount > 0) && ((HSPI->INSTANCE->SR & spi_flag_txe) = = Spi_flag_txe))
{
if (Hspi->txxfercount > 1)
{
HSPI->INSTANCE->DR = * ((uint16_t*) hspi->ptxbuffptr);
Hspi->ptxbuffptr + = sizeof (uint16_t);
Hspi->txxfercount-= 2;
}
Else
{
* (__io uint8_t *) &hspi->instance->dr = (*hspi->ptxbuffptr++);
hspi->txxfercount--;
}

/* Enable CRC Transmission */
if ((Hspi->txxfercount = = 0) && (hspi->init.crccalculation = = spi_crccalculation_enable))
{
HSPI->INSTANCE->CR1 |= Spi_cr1_crcnext;
}
}

/* Wait until RXNE flag is reset */
if ((Hspi->rxxfercount > 0)/*&& ((HSPI->INSTANCE->SR & spi_flag_rxne) = = spi_flag_rxne) */)
{
while (((HSPI->INSTANCE->SR & spi_flag_rxne)! = Spi_flag_rxne));
if (Hspi->rxxfercount > 1)
{
* ((uint16_t*) hspi->prxbuffptr) = hspi->instance->dr;
Hspi->prxbuffptr + = sizeof (uint16_t);
Hspi->rxxfercount-= 2;
if (Hspi->rxxfercount <= 1)
{
/* Set fiforxthresold before to switch on 8 bit data size */
Set_bit (HSPI-&GT;INSTANCE-&GT;CR2, spi_rxfifo_threshold);
}
}
Else
{
(*hspi->prxbuffptr++) = * (__io uint8_t *) &hspi->Instance->DR;
hspi->rxxfercount--;
}
}
if (timeout! = Hal_max_delay) && ((Hal_gettick ()-tickstart) >= Timeout))
{
ErrorCode = Hal_timeout;
Goto error;
}
}
The purpose of the red font change is to interrupt the interrupt without waiting for the packet to be dropped. If the wait will start from the wait.