uint16_t lmx2595_read_register(uint8_t regAddr)
{
    uint8_t tx[3] = { (0x80 | regAddr), 0x00, 0x00 };
    uint8_t rx[3];

    // Clear RX FIFO first
    SPI_clearRxFIFO(SPIA_BASE);

    // --- Send 24-bit read command (3 writes = 24 clocks) ---
    SPI_writeDataBlockingFIFO(SPIA_BASE, tx[0] << 8);  // Send MSB
    SPI_writeDataBlockingFIFO(SPIA_BASE, tx[1] << 8);  // Send mid
    SPI_writeDataBlockingFIFO(SPIA_BASE, tx[2] << 8);  // Send LSB

    // Wait for TX complete
    while(SPI_isBusy(SPIA_BASE));

    // Wait until 3 bytes are received in RX FIFO
    while(SPI_getRxFIFOStatus(SPIA_BASE) < 3);

    // --- Read the 3 response bytes from RX FIFO ---
    rx[0] = (uint8_t)(SPI_readDataBlockingFIFO(SPIA_BASE) >> 8);
    rx[1] = (uint8_t)(SPI_readDataBlockingFIFO(SPIA_BASE) >> 8);
    rx[2] = (uint8_t)(SPI_readDataBlockingFIFO(SPIA_BASE) >> 8);

    // Combine middle and last bytes to get 16-bit register value
    uint16_t regVal = ((uint16_t)rx[1] << 8) | rx[2];

    return regVal;
}