Function SPIWriteRead

3ds/source/spi.cpp:52–67

u8* fill_buf = NULL;

Result SPIWriteRead(CardType type, void* cmd, u32 cmdSize, void* answer, u32 answerSize, void* data, u32 dataSize)
{
    u8 transferOp = pxiDevMakeTransferOption(BAUDRATE_4MHZ, BUSMODE_1BIT), transferOp2 = pxiDevMakeTransferOption(BAUDRATE_1MHZ, BUSMODE_1BIT);
    u64 waitOp          = pxiDevMakeWaitOperation(WAIT_NONE, DEASSERT_NONE, 0LL);
    u64 headerFooterVal = 0;
    bool b              = type == FLASH_512KB_INFRARED || type == FLASH_256KB_INFRARED;

    PXIDEV_SPIBuffer headerBuffer = {&headerFooterVal, (b) ? 1U : 0U, (b) ? transferOp2 : transferOp, waitOp};
    PXIDEV_SPIBuffer cmdBuffer    = {cmd, cmdSize, transferOp, waitOp};
    PXIDEV_SPIBuffer answerBuffer = {answer, answerSize, transferOp, waitOp};
    PXIDEV_SPIBuffer dataBuffer   = {data, dataSize, transferOp, waitOp};
    PXIDEV_SPIBuffer nullBuffer   = {NULL, 0U, transferOp, waitOp};
    PXIDEV_SPIBuffer footerBuffer = {&headerFooterVal, 0U, transferOp, waitOp};

    return PXIDEV_SPIMultiWriteRead(&headerBuffer, &cmdBuffer, &answerBuffer, &dataBuffer, &nullBuffer, &footerBuffer);
}

Result SPIWaitWriteEnd(CardType type)
{