STM32G431 SPI2 (16-bit) DMA (DMAMUX) data transmission is incorrect.
Here is the code: void DMA_Init_SPI2(void *rxBuffer, void *txBuffer, uint16_t rxSIZE, uint16_t txSIZE) { RCC->AHB1ENR |= RCC_AHB1ENR_DMA1EN | RCC_AHB1ENR_DMAMUX1EN; // DMA1 Channel 1 для SPI2_RX (Peripheral-to-Memory) DMA1_Channel...