STM32FX_SPI_SR_RXNE
if (sr & STM32FX_SPI_SR_RXNE) {
STM32FX_SPI_SR_RXNE)) {
sr &= ~(STM32FX_SPI_SR_OVR | STM32FX_SPI_SR_RXNE);
mask |= STM32FX_SPI_SR_RXNE | STM32FX_SPI_SR_OVR;