int main(int argc, char** argv) {
fpga_t * fpga;
fpga_info_list info;
int option;
int i;
int id;
int chnl;
size_t numWords;
int sent;
int recvd;
unsigned int * sendBuffer;
unsigned int * recvBuffer;
GET_TIME_INIT(3);
if (argc < 2) {
printf("Usage: %s <option>\n", argv[0]);
return -1;
}
option = atoi(argv[1]);
if (option == 0) { // List FPGA info
// Populate the fpga_info_list struct
if (fpga_list(&info) != 0) {
printf("Error populating fpga_info_list\n");
return -1;
}
printf("Number of devices: %d\n", info.num_fpgas);
for (i = 0; i < info.num_fpgas; i++) {
printf("%d: id:%d\n", i, info.id[i]);
printf("%d: num_chnls:%d\n", i, info.num_chnls[i]);
printf("%d: name:%s\n", i, info.name[i]);
printf("%d: vendor id:%04X\n", i, info.vendor_id[i]);
printf("%d: device id:%04X\n", i, info.device_id[i]);
}
}
else if (option == 1) { // Reset FPGA
if (argc < 3) {
printf("Usage: %s %d <fpga id>\n", argv[0], option);
return -1;
}
id = atoi(argv[2]);
// Get the device with id
fpga = fpga_open(id);
if (fpga == NULL) {
printf("Could not get FPGA %d\n", id);
return -1;
}
// Reset
fpga_reset(fpga);
// Done with device
fpga_close(fpga);
}
else if (option == 2) { // Send data, receive data
if (argc < 5) {
printf("Usage: %s %d <fpga id> <chnl> <num words to transfer>\n", argv[0], option);
return -1;
}
id = atoi(argv[2]);
chnl = atoi(argv[3]);
numWords = atoi(argv[4]);
// Get the device with id
fpga = fpga_open(id);
if (fpga == NULL) {
printf("Could not get FPGA %d\n", id);
return -1;
}
// Malloc the arrays
sendBuffer = (unsigned int *)malloc(numWords<<2);
if (sendBuffer == NULL) {
printf("Could not malloc memory for sendBuffer\n");
fpga_close(fpga);
return -1;
}
recvBuffer = (unsigned int *)malloc(numWords<<2);
if (recvBuffer == NULL) {
printf("Could not malloc memory for recvBuffer\n");
free(sendBuffer);
fpga_close(fpga);
return -1;
}
// Initialize the data
for (i = 0; i < numWords; i++) {
sendBuffer[i] = i+1;
recvBuffer[i] = 0;
}
GET_TIME_VAL(0);
// Send the data
sent = fpga_send(fpga, chnl, sendBuffer, numWords, 0, 1, 25000);
printf("words sent: %d\n", sent);
GET_TIME_VAL(1);
if (sent != 0) {
// Recv the data
recvd = fpga_recv(fpga, chnl, recvBuffer, numWords, 25000);
printf("words recv: %d\n", recvd);
}
GET_TIME_VAL(2);
// Done with device
fpga_close(fpga);
// Display some data
for (i = 0; i < 20; i++) {
printf("recvBuffer[%d]: %d\n", i, recvBuffer[i]);
}
// Check the data
if (recvd != 0) {
for (i = 4; i < recvd; i++) {
if (recvBuffer[i] != sendBuffer[i]) {
printf("recvBuffer[%d]: %d, expected %d\n", i, recvBuffer[i], sendBuffer[i]);
break;
}
}
printf("send bw: %f MB/s %fms\n",
sent*4.0/1024/1024/((TIME_VAL_TO_MS(1) - TIME_VAL_TO_MS(0))/1000.0),
(TIME_VAL_TO_MS(1) - TIME_VAL_TO_MS(0)) );
printf("recv bw: %f MB/s %fms\n",
recvd*4.0/1024/1024/((TIME_VAL_TO_MS(2) - TIME_VAL_TO_MS(1))/1000.0),
(TIME_VAL_TO_MS(2) - TIME_VAL_TO_MS(1)) );
}
}
return 0;
}
int main(int argc, char** argv) {
fpga_t * fpga;
fpga_info_list info;
int option;
int i;
int id;
int chnl;
int ch_size;
size_t numWords, numLoops, remWords;
int sent;
int recvd;
int failure = 0;
//unsigned int * sendBuffer;
//unsigned int * recvBuffer;
int err;
int idx,jdx,k;
GET_TIME_INIT(3);
if (argc < 2) {
printf("Usage: %s <option>\n", argv[0]);
return -1;
}
option = atoi(argv[1]);
if (option == 0) {
// List FPGA info
// Populate the fpga_info_list struct
if (fpga_list(&info) != 0) {
printf("Error populating fpga_info_list\n");
return -1;
}
printf("Number of devices: %d\n", info.num_fpgas);
for (i = 0; i < info.num_fpgas; i++) {
printf("%d: id:%d\n", i, info.id[i]);
printf("%d: num_chnls:%d\n", i, info.num_chnls[i]);
printf("%d: name:%s\n", i, info.name[i]);
printf("%d: vendor id:%04X\n", i, info.vendor_id[i]);
printf("%d: device id:%04X\n", i, info.device_id[i]);
}
}
else if (option == 1) { // Reset FPGA
if (argc < 3) {
printf("Usage: %s %d <fpga id>\n", argv[0], option);
return -1;
}
id = atoi(argv[2]);
// Get the device with id
fpga = fpga_open(id);
if (fpga == NULL) {
printf("Could not get FPGA %d\n", id);
return -1;
}
// Reset
fpga_reset(fpga);
// Done with device
fpga_close(fpga);
}
else if (option == 2) { // Send data, receive data
if (argc < 5) {
printf("Usage: %s %d <fpga id> <chnl> <channel size in channel tester in bytes> <num words to transfer>\n", argv[0], option);
return -1;
}
//size_t maxWords, minWords;
id = atoi(argv[2]);
chnl = atoi(argv[3]);
//numWords = atoi(argv[5]);
ch_size = atoi(argv[4]);
numLoops = 1;
//remWords = numWords%ch_size;
// Get the device with id
fpga = fpga_open(id);
//uint64_t result[ch_size];
if (fpga == NULL) {
printf("Could not get FPGA %d\n", id);
return -1;
}
k=0;
sent_values[0] = 0x8000000000000000;
sent_values[1] = 0x0000000000000000;
for (idx =2; idx<256; idx=idx+2){
sent_values[idx]=sent_values[idx-2];
sent_values[idx+1]=sent_values[idx-1];
if(sent_values[idx+k-2]==0xffffffffffffffff){
k++;
sent_values[idx+k]= 0x8000000000000000;
}
else
sent_values[idx+k] = sent_values[idx+k]|(sent_values[idx+k]/2);
}
for (idx =0; idx<1024; idx++)
sent_values[idx+256]=sent_values[idx];
//for (idx =0; idx<chsize/2; idx=idx+2)
// printf("\n%d: %16llx%16llx",idx,sent_values[idx],sent_values[idx+1]);
//printf("loops = %d",numLoops);
GET_TIME_VAL(0);
sent = fpga_send(fpga, chnl, sent_values, ch_size, 0, 1, 25000);
recvd = fpga_recv(fpga, chnl, result, ch_size, 25000);
GET_TIME_VAL(1);
for (k =0; k<ch_size/2; k=k+2)
printf("\n%16llx%16llx",result[k],result[k+1]);
//for (idx =0; idx<256; idx=idx+2)
// printf("\n%16llx%16llx",result[idx],result[idx+1]);
printf("\ntime taken (latency) : %f ms, N= %d \n",(TIME_VAL_TO_MS(1) - TIME_VAL_TO_MS(0)),numWords);
//printf("avg time taken by 1 set of data : %f ms\n",((TIME_VAL_TO_MS(1) - TIME_VAL_TO_MS(0)))/numWords);
// Done with device
fpga_close(fpga);
}
else if (option == 3) { // Send data, receive data
if (argc < 6) {
printf("Usage: %s %d <fpga id> <chnl> <out channel size in channel tester in bytes> <num inputs to transfer>\n", argv[0], option);
return -1;
}
//size_t maxWords, minWords;
id = atoi(argv[2]);
chnl = atoi(argv[3]);
/////numWords: no. words of size 32 bits.
////numInputs: no. of inputs of length 128 bits.
int numInputs = atoi(argv[5]);
numWords = numInputs*4;
ch_size = atoi(argv[4]);
numLoops = numWords/ch_size;
//remWords = numWords%ch_size;
// Get the device with id
fpga = fpga_open(id);
//uint64_t result[ch_size];
if (fpga == NULL) {
printf("Could not get FPGA %d\n", id);
return -1;
}
k=0;
sent_values[0] = 0x8000000000000000;
sent_values[1] = 0x0000000000000000;
for (idx =2; idx<256; idx=idx+2){
sent_values[idx]=sent_values[idx-2];
sent_values[idx+1]=sent_values[idx-1];
if(sent_values[idx+k-2]==0xffffffffffffffff){
k++;
sent_values[idx+k]= 0x8000000000000000;
}
else
sent_values[idx+k] = sent_values[idx+k]|(sent_values[idx+k]/2);
}
for (idx =0; idx<1024; idx++)
sent_values[idx+256]=sent_values[idx];
//for (idx =0; idx<128; idx=idx+2)
// printf("\n%d: %16llx%16llx",idx,sent_values[idx],sent_values[idx+1]);
//printf("loops = %d",numLoops);
GET_TIME_VAL(0);
for(idx = 0; idx < numLoops; idx++)
{
sent = fpga_send(fpga, chnl, sent_values, ch_size, 0, 1, 25000);
recvd = fpga_recv(fpga, chnl, result, ch_size, 25000);
//for (k =0; k<128; k=k+2)
// printf("\n%d: %16llx%16llx",k,result[k],result[k+1]);
}
GET_TIME_VAL(1);
//for (idx =0; idx<256; idx=idx+2)
// printf("\n%16llx%16llx",result[idx],result[idx+1]);
printf("\ntime taken : %f ms, N= %d \n",(TIME_VAL_TO_MS(1) - TIME_VAL_TO_MS(0)),numInputs);
printf("avg time taken by 1 set of data : %f ms\n",((TIME_VAL_TO_MS(1) - TIME_VAL_TO_MS(0)))/numInputs);
// Done with device
fpga_close(fpga);
}
return 0;
}