Subversion Repositories pcie_ds_dma

#ifndef __PEX_H__

    #include "pex_board.h"

#endif

#include <cassert>

#include <cstdlib>

#include <cstring>

#include <iostream>

#include <iomanip>

#include <climits>

#include <cstdio>

//-----------------------------------------------------------------------------

using namespace std;

//-----------------------------------------------------------------------------

#define NUM_BLOCK   4

#define BLOCK_SIZE  0x1000

//-----------------------------------------------------------------------------

int main(int argc, char *argv[])

{

    if(argc == 1) {

        std::cerr << "usage: %s <device name>" << argv[0] << endl;

        return -1;

    }

    std ::cout << "Start testing device " << argv[1] << endl;

    int dmaChan = 0;

    void* pBuffers[NUM_BLOCK] = {NULL};

    board *brd = new pex_board();

    brd->brd_open(argv[1]);

    brd->brd_init();

    brd->brd_pld_info();

    std ::cout << "Press enter to allocate DMA memory..." << endl;

    getchar();

    // Check BRDSHELL DMA interface

    BRDctrl_StreamCBufAlloc sSCA = {

        1,

        1,

        NUM_BLOCK,

        BLOCK_SIZE,

        &pBuffers[0],

        NULL,

    };

    brd->dma_alloc(dmaChan, &sSCA);

    std ::cout << "Press enter to start DMA channel..." << endl;

    getchar();

    brd->dma_start(dmaChan, 0);

    std ::cout << "Press enter to stop DMA channel..." << endl;

    getchar();

    brd->dma_stop(dmaChan);

    std ::cout << "Press enter to view DMA data (buffer 0)..." << endl;

    getchar();

    u32 *buffer = (u32*)pBuffers[0];

    for(unsigned i=0; i<BLOCK_SIZE/4; i+=128) {

        std::cout << hex << buffer[i] << " ";

    }

    std::cout << dec << endl;

    std ::cout << "Press enter to free DMA memory..." << endl;

    getchar();

    brd->dma_free_memory(dmaChan);

/*

    for(int i=0; i<16; i++)

        std ::cout << "BAR0[" << i << "] = 0x" << hex << brd->brd_bar0_read(i) << dec << endl;

    fprintf(stderr, "Press enter to read BAR1...\n");

    getchar();

    for(int i=0; i<16; i++)

        std ::cout << "BAR1[" << i << "] = 0x" << hex << brd->brd_bar1_read(i) << dec << endl;

*/

    brd->brd_close();

    delete brd;

    return 0;

}