ntv2link.cpp

Go to the documentation of this file.

/* SPDX-License-Identifier: MIT */
#include "ntv2link.h"
#include "ntv2card.h"
#include "ntv42message.h"

bool ntv2card_open(int index, void** card)
{
    CNTV2Card* pCard = new CNTV2Card(index);
    if (!pCard->IsOpen())
    {
        delete pCard;
        return false;
    }

    *card = (void*)pCard;
    return true;
}

void ntv2card_close(void* card)
{
    CNTV2Card* pCard = (CNTV2Card*)card;
    if (pCard != NULL)
    {
        delete pCard;
    }
}

bool ntv2card_get_display_name(void* card, char* display, int size)
{
    if ((card == NULL) || (display == NULL) || (size == 0))
        return false;
    CNTV2Card* pCard = (CNTV2Card*)card;
    std::string str = pCard->GetModelName();
    snprintf(display, size, "%s", str.c_str());
    return true;
}

bool ntv2card_get_description(void* card, char* description, int size)
{
    if ((card == NULL) || (description == NULL) || (size == 0))
        return false;
    CNTV2Card* pCard = (CNTV2Card*)card;
    std::string str = pCard->GetDisplayName();
    snprintf(description, size, "%s", str.c_str());
    return true;
}

bool ntv2card_get_serial_number(void* card, char* serial, int size)
{
    if ((card == NULL) || (serial == NULL) || (size == 0))
        return false;
    CNTV2Card* pCard = (CNTV2Card*)card;
    std::string str;
    if (!pCard->GetSerialNumberString(str))
        str = "Unknown";
    snprintf(serial, size, "%s", str.c_str());
    return true;
}

bool ntv2card_register_read(void* card, unsigned int reg, unsigned int* data)
{
    if ((card == NULL) || (data == NULL))
        return false;
    CNTV2Card* pCard = (CNTV2Card*)card;
    #ifndef AJA_BAREMETAL // Xilinx compiler doesn't like this for some reason...
        return pCard->ReadRegister(reg, *data);
    #else
        ULWord tmp; 
        bool status = pCard->ReadRegister(reg, tmp);
        *data = tmp;
        return status;
    #endif

}

bool ntv2card_register_write(void* card, unsigned int reg, unsigned int data)
{
    if (card == NULL)
        return false;
    CNTV2Card* pCard = (CNTV2Card*)card;
    return pCard->WriteRegister(reg, data);
}

bool ntv2card_send_message(void* card, void* data, unsigned int size)
{
    if ((card == NULL) || (data == NULL) || size < sizeof(struct ntv42_message_header_t))
        return false;
    CNTV2Card* pCard = (CNTV2Card*)card;
    struct ntv42_message_header_t* header = (struct ntv42_message_header_t*)data;
    ULWord flags = ((header->flags & NTV42_MESSAGE_FLAG_RW) != 0)? NTV2_MESSAGE_DATA_RW : 0;

    NTV2MessageData msg(data, size, flags);
    if (!pCard->NTV2Message(reinterpret_cast<NTV2_HEADER*>(&msg)))
        return false;

    if (msg.GetStatus() != 0)
        return false;

    return true;
}