URL https://opencores.org/ocsvn/pcie_ds_dma/pcie_ds_dma/trunk

Subversion Repositories pcie_ds_dma

[/] [pcie_ds_dma/] [trunk/] [soft/] [linux/] [application/] [board_exam/] [main.cpp] - Blame information for rev 54

Go to most recent revision | Details | Compare with Previous | View Log


 
#ifndef __BOARD_H__
#include "board.h"
#endif
 
#include <cassert>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <iomanip>
#include <climits>
#include <cstdio>
#include <dlfcn.h>
 
//-----------------------------------------------------------------------------
 
using namespace std;
 
//-----------------------------------------------------------------------------
#define NUM_BLOCK   8
#define BLOCK_SIZE  0x10000
//-----------------------------------------------------------------------------
 
int main(int argc, char *argv[])
{
    if(argc != 3) {
        std::cerr << "usage: " << argv[0] << " <libname.so> </dev/devname>" << endl;
        return -1;
    }
 
    char *libname = argv[1];
    char *devname = argv[2];
    int dmaChan = 0;
    void* pBuffers[NUM_BLOCK] = {NULL,NULL,NULL,NULL};
    void *hlib = NULL;
    board_factory factory = NULL;
    board *brd = NULL;
    u32 *buffer = NULL;
 
    std ::cout << "Loading library: " << libname << endl;
 
    hlib = dlopen(libname, RTLD_LAZY);
    if(!hlib) {
        fprintf(stderr, "%s\n", dlerror());
        return -1;
    }
 
    factory = (board_factory)dlsym(hlib, "create_board");
    if(!factory) {
        fprintf(stderr, "%s\n", dlerror());
        dlclose(hlib);
        return -1;
    }
 
    std ::cout << "Start testing device " << devname << endl;
 
    brd = factory();
    if(!brd) {
        dlclose(hlib);
        return -1;
    }
 
    if(brd->brd_open(devname) < 0) {
 
        delete brd;
 
        if(hlib) {
            int res = dlclose(hlib);
            if(res < 0) {
                fprintf(stderr, "%s\n", dlerror());
                return -1;
            }
        }
 
        return -1;
    }
 
    brd->brd_init();
    brd->brd_pld_info();
 
    std ::cout << "Press enter to allocate DMA memory..." << endl;
    getchar();
 
    int DmaChan = 1;
 
    // Check BRDSHELL DMA interface
    BRDctrl_StreamCBufAlloc sSCA = {
        1,      //dir
        1,
        NUM_BLOCK,
        BLOCK_SIZE,
        pBuffers,
        NULL,
    };
 
    brd->dma_allocate_memory(dmaChan, &sSCA);
 
    brd->dma_set_local_addr(DmaChan, 0x1000);
    brd->dma_stop(DmaChan);
    brd->dma_reset_fifo(DmaChan);
 
    std ::cout << "Press enter to start DMA channel..." << endl;
    getchar();
 
    // fill data buffers
    for(int j=0; j<NUM_BLOCK; j++) {
        buffer = (u32*)pBuffers[j];
        for(unsigned i=0; i<32; i++) {
            buffer[i] = 0xAA556677;
        }
    }
 
    brd->dma_start(dmaChan, 0);
 
    std ::cout << "Press enter to stop DMA channel..." << endl;
    getchar();
 
 
    brd->dma_stop(dmaChan);
 
    // show data buffers
    for(int j=0; j<NUM_BLOCK; j++) {
 
        std ::cout << "DMA data buffer " << j << ":" << endl;
        buffer = (u32*)pBuffers[j];
        for(unsigned i=0; i<8; i++) {
            std::cout << hex << buffer[i] << " ";
        }
        std ::cout << endl;
    }
    std::cout << dec << endl;
 
    std ::cout << "Press enter to free DMA memory..." << endl;
    getchar();
 
    brd->dma_free_memory(dmaChan);
 
    brd->brd_close();
 
    delete brd;
 
    if(hlib) {
        int res = dlclose(hlib);
        if(res < 0) {
            fprintf(stderr, "%s\n", dlerror());
            return -1;
        }
    }
 
    return 0;
}

Line No.	Rev	Author	Line
1	2	dsmv
2	6	v.karak	`#ifndef __BOARD_H__`
3			`#include "board.h"`
4	2	dsmv	`#endif`
5
6			`#include <cassert>`
7			`#include <cstdlib>`
8			`#include <cstring>`
9			`#include <iostream>`
10			`#include <iomanip>`
11			`#include <climits>`
12			`#include <cstdio>`
13	6	v.karak	`#include <dlfcn.h>`
14	2	dsmv
15			`//-----------------------------------------------------------------------------`
16
17			`using namespace std;`
18
19			`//-----------------------------------------------------------------------------`
20	6	v.karak	`#define NUM_BLOCK 8`
21			`#define BLOCK_SIZE 0x10000`
22	2	dsmv	`//-----------------------------------------------------------------------------`
23
24			`int main(int argc, char *argv[])`
25			`{`
26	6	v.karak	`if(argc != 3) {`
27			`std::cerr << "usage: " << argv[0] << " <libname.so> </dev/devname>" << endl;`
28	2	dsmv	`return -1;`
29			`}`
30
31	6	v.karak	`char *libname = argv[1];`
32			`char *devname = argv[2];`
33	2	dsmv	`int dmaChan = 0;`
34	6	v.karak	`void* pBuffers[NUM_BLOCK] = {NULL,NULL,NULL,NULL};`
35			`void *hlib = NULL;`
36			`board_factory factory = NULL;`
37			`board *brd = NULL;`
38			`u32 *buffer = NULL;`
39	2	dsmv
40	6	v.karak	`std ::cout << "Loading library: " << libname << endl;`
41
42			`hlib = dlopen(libname, RTLD_LAZY);`
43			`if(!hlib) {`
44			`fprintf(stderr, "%s\n", dlerror());`
45			`return -1;`
46			`}`
47
48			`factory = (board_factory)dlsym(hlib, "create_board");`
49			`if(!factory) {`
50			`fprintf(stderr, "%s\n", dlerror());`
51			`dlclose(hlib);`
52			`return -1;`
53			`}`
54
55			`std ::cout << "Start testing device " << devname << endl;`
56
57			`brd = factory();`
58			`if(!brd) {`
59			`dlclose(hlib);`
60			`return -1;`
61			`}`
62
63			`if(brd->brd_open(devname) < 0) {`
64
65			`delete brd;`
66
67			`if(hlib) {`
68			`int res = dlclose(hlib);`
69			`if(res < 0) {`
70			`fprintf(stderr, "%s\n", dlerror());`
71			`return -1;`
72			`}`
73			`}`
74
75			`return -1;`
76			`}`
77
78	2	dsmv	`brd->brd_init();`
79			`brd->brd_pld_info();`
80
81			`std ::cout << "Press enter to allocate DMA memory..." << endl;`
82			`getchar();`
83
84	6	v.karak	`int DmaChan = 1;`
85
86	2	dsmv	`// Check BRDSHELL DMA interface`
87			`BRDctrl_StreamCBufAlloc sSCA = {`
88	6	v.karak	`1, //dir`
89	2	dsmv	`1,`
90			`NUM_BLOCK,`
91			`BLOCK_SIZE,`
92	6	v.karak	`pBuffers,`
93	2	dsmv	`NULL,`
94			`};`
95
96	54	v.karak	`brd->dma_allocate_memory(dmaChan, &sSCA);`
97	2	dsmv
98	6	v.karak	`brd->dma_set_local_addr(DmaChan, 0x1000);`
99			`brd->dma_stop(DmaChan);`
100			`brd->dma_reset_fifo(DmaChan);`
101
102	2	dsmv	`std ::cout << "Press enter to start DMA channel..." << endl;`
103			`getchar();`
104
105	6	v.karak	`// fill data buffers`
106			`for(int j=0; j<NUM_BLOCK; j++) {`
107			`buffer = (u32*)pBuffers[j];`
108			`for(unsigned i=0; i<32; i++) {`
109			`buffer[i] = 0xAA556677;`
110			`}`
111			`}`
112
113	2	dsmv	`brd->dma_start(dmaChan, 0);`
114
115			`std ::cout << "Press enter to stop DMA channel..." << endl;`
116			`getchar();`
117
118	6	v.karak
119	2	dsmv	`brd->dma_stop(dmaChan);`
120
121	6	v.karak	`// show data buffers`
122			`for(int j=0; j<NUM_BLOCK; j++) {`
123	2	dsmv
124	6	v.karak	`std ::cout << "DMA data buffer " << j << ":" << endl;`
125			`buffer = (u32*)pBuffers[j];`
126	54	v.karak	`for(unsigned i=0; i<8; i++) {`
127	6	v.karak	`std::cout << hex << buffer[i] << " ";`
128			`}`
129			`std ::cout << endl;`
130	2	dsmv	`}`
131			`std::cout << dec << endl;`
132
133			`std ::cout << "Press enter to free DMA memory..." << endl;`
134			`getchar();`
135
136			`brd->dma_free_memory(dmaChan);`
137
138			`brd->brd_close();`
139
140			`delete brd;`
141
142	6	v.karak	`if(hlib) {`
143			`int res = dlclose(hlib);`
144			`if(res < 0) {`
145			`fprintf(stderr, "%s\n", dlerror());`
146			`return -1;`
147			`}`
148			`}`
149
150	2	dsmv	`return 0;`
151			`}`

Browse

Tools

Subversion Repositories pcie_ds_dma

[/] [pcie_ds_dma/] [trunk/] [soft/] [linux/] [application/] [board_exam/] [main.cpp] - Blame information for rev 54