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- #define _POSIX_C_SOURCE 199309L
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <stdarg.h>
- #include <time.h>
- #include <sched.h>
- #include <sys/time.h>
- #include <sys/types.h>
- #include <arpa/inet.h>
- #include <sched.h>
- #include <errno.h>
- #include "pcilib.h"
- #include "irq.h"
- #include "kmem.h"
- //#include <sys/ipc.h>
- //#include <sys/shm.h>
- #define DEVICE "/dev/fpga0"
- #define BAR PCILIB_BAR0
- #define USE_RING PCILIB_KMEM_USE(PCILIB_KMEM_USE_USER, 1)
- #define USE PCILIB_KMEM_USE(PCILIB_KMEM_USE_USER, 2)
- //#define STATIC_REGION 0x80000000 // to reserve 512 MB at the specified address, add "memmap=512M$2G" to kernel parameters
- #define BUFFERS 128
- #define ITERATIONS 1000
- #define DESC_THRESHOLD BUFFERS/8 // Lorenzo: after how many desc the FPGA must update the "written descriptor counter" in PC mem
- // if set to 0, the update only happens when INT is received
- #define HUGE_PAGE 1 // number of pages per huge page
- #define TLP_SIZE 32 // TLP SIZE = 64 for 256B payload, 32 for 128B payload
- #define PAGE_SIZE 4096 // other values are not supported in the kernel
- //#define USE_64 // Lorenzo: use 64bit addressing
- //#define DUAL_CORE // Lorenzo: DUAL Core
- //#define SHARED_MEMORY // Lorenzo: Test for fast GUI
- #define CHECK_READY // Lorenzo: Check if PCI-Express is ready by reading 0x0
- #define CHECK_RESULTS // Lorenzo: Check if data received is ok (only for counter!)
- //#define PRINT_RESULTS // Lorenzo: Save the received data in "data.out"
- //#define EXIT_ON_EMPTY // Lorenzo: Exit if an "empty_detected" signal is received
- //#define HEB // Lorenzo: Testing HEB
- //#define SWITCH_GENERATOR // Lorenzo: Testing HEB -> Turn data gen on/off
- //#define TEST_DDR // Lorenzo: Testing DDR
- #define TIMEOUT 1000000
- /* IRQs are slow for some reason. REALTIME mode is slower. Adding delays does not really help,
- otherall we have only 3 checks in average. Check ready seems to be not needed and adds quite
- much extra time */
- //#define USE_IRQ
- //#define REALTIME
- //#define ADD_DELAYS
- #define FPGA_CLOCK 250 // Lorenzo: in MHz !
- //#define WR(addr, value) { val = value; pcilib_write(pci, BAR, addr, sizeof(val), &val); }
- //#define RD(addr, value) { pcilib_read(pci, BAR, addr, sizeof(val), &val); value = val; }
- #define WR(addr, value) { *(uint32_t*)(bar + addr + offset) = value; }
- #define RD(addr, value) { value = *(uint32_t*)(bar + addr + offset); }
- // **************************************************************************************
- // Progress BAR
- // Process has done x out of n rounds,
- // and we want a bar of width w and resolution r.
- static inline void loadBar(int x, int n, int r, int w)
- {
- // Only update r times.
- if ( x % (n/r +1) != 0 ) return;
- // Calculuate the ratio of complete-to-incomplete.
- float ratio = x/(float)n;
- int c = ratio * w;
- // Show the percentage complete.
- printf("%3d%% [", (int)(ratio*100) );
- // Show the load bar.
- for (x=0; x<c; x++)
- printf("=");
- for (x=c; x<w; x++)
- printf(" ");
- // ANSI Control codes to go back to the
- // previous line and clear it.
- printf("]\n\033[F\033[J");
- }
- // **************************************************************************************
- static void fail(const char *msg, ...) {
- va_list va;
- va_start(va, msg);
- vprintf(msg, va);
- va_end(va);
- printf("\n");
- exit(-1);
- }
- void hpsleep(size_t ns) {
- struct timespec wait, tv;
- clock_gettime(CLOCK_REALTIME, &wait);
- wait.tv_nsec += ns;
- if (wait.tv_nsec > 999999999) {
- wait.tv_sec += 1;
- wait.tv_nsec = 1000000000 - wait.tv_nsec;
- }
- do {
- clock_gettime(CLOCK_REALTIME, &tv);
- } while ((wait.tv_sec > tv.tv_sec)||((wait.tv_sec == tv.tv_sec)&&(wait.tv_nsec > tv.tv_nsec)));
- }
- // **************************************************************************************
- int main() {
- int err;
- long i, j, k;
- int mem_diff;
- pcilib_t *pci;
- pcilib_kmem_handle_t *kdesc;
- pcilib_kmem_handle_t *kbuf;
- struct timeval start, end;
- size_t run_time, size;
- long long int size_mb;
- void* volatile bar;
- uintptr_t bus_addr[BUFFERS];
- uintptr_t kdesc_bus;
- volatile uint32_t *desc;
- typedef volatile uint32_t *Tbuf;
- Tbuf ptr[BUFFERS];
- int switch_generator = 0;
-
- float performance, perf_counter;
- pcilib_bar_t bar_tmp = BAR;
- uintptr_t offset = 0;
- unsigned int temp;
- int iterations_completed, buffers_filled;
- // int shmid;
-
- printf("\n\n**** **** **** KIT-DMA TEST **** **** ****\n\n");
- size = ITERATIONS * BUFFERS * HUGE_PAGE * PAGE_SIZE;
- size_mb = ITERATIONS * BUFFERS * HUGE_PAGE * 4 / 1024;
- printf("Total size of memory buffer: \t %.3lf GBytes\n", (float)size_mb/1024 );
- printf("Using %d Buffers with %d iterations\n\n", BUFFERS, ITERATIONS );
- #ifdef ADD_DELAYS
- long rpt = 0, rpt2 = 0;
- size_t best_time;
- best_time = 1000000000L * HUGE_PAGE * PAGE_SIZE / (4L * 1024 * 1024 * 1024);
- #endif /* ADD_DELAYS */
- pcilib_kmem_flags_t flags = PCILIB_KMEM_FLAG_HARDWARE|PCILIB_KMEM_FLAG_PERSISTENT|PCILIB_KMEM_FLAG_EXCLUSIVE/*|PCILIB_KMEM_FLAG_REUSE*/; // Lorenzo: if REUSE = 1, the re-allocation fails!
- pcilib_kmem_flags_t free_flags = PCILIB_KMEM_FLAG_HARDWARE/*|PCILIB_KMEM_FLAG_EXCLUSIVE|PCILIB_KMEM_FLAG_REUSE*/;
- pcilib_kmem_flags_t clean_flags = PCILIB_KMEM_FLAG_HARDWARE|PCILIB_KMEM_FLAG_PERSISTENT|PCILIB_KMEM_FLAG_EXCLUSIVE;
- pci = pcilib_open(DEVICE, PCILIB_MODEL_DETECT);
- if (!pci) fail("pcilib_open");
- bar = pcilib_map_bar(pci, BAR);
- if (!bar) {
- pcilib_close(pci);
- fail("map bar");
- }
- pcilib_detect_address(pci, &bar_tmp, &offset, 1);
- pcilib_enable_irq(pci, PCILIB_IRQ_TYPE_ALL, 0);
- pcilib_clear_irq(pci, PCILIB_IRQ_SOURCE_DEFAULT);
- pcilib_clean_kernel_memory(pci, USE, clean_flags);
- pcilib_clean_kernel_memory(pci, USE_RING, clean_flags);
- kdesc = pcilib_alloc_kernel_memory(pci, PCILIB_KMEM_TYPE_CONSISTENT, 1, 128, 4096, USE_RING, flags);
- kdesc_bus = pcilib_kmem_get_block_ba(pci, kdesc, 0);
- desc = (uint32_t*)pcilib_kmem_get_block_ua(pci, kdesc, 0);
- memset((void*)desc, 0, 5*sizeof(uint32_t));
- #ifdef REALTIME
- pid_t pid;
- struct sched_param sched = {0};
- pid = getpid();
- sched.sched_priority = sched_get_priority_min(SCHED_FIFO);
- if (sched_setscheduler(pid, SCHED_FIFO, &sched))
- printf("Warning: not able to get real-time priority\n");
- #endif /* REALTIME */
- // ******************************************************************
- // **** MEM: check 4k boundary *****
- // ******************************************************************
- do {
- printf("* Allocating KMem, ");
- #ifdef STATIC_REGION
- kbuf = pcilib_alloc_kernel_memory(pci, PCILIB_KMEM_TYPE_REGION_C2S, BUFFERS, HUGE_PAGE * PAGE_SIZE, STATIC_REGION, USE, flags);
- #else
- kbuf = pcilib_alloc_kernel_memory(pci, PCILIB_KMEM_TYPE_DMA_C2S_PAGE, BUFFERS, HUGE_PAGE * PAGE_SIZE, 4096, USE, flags);
- #endif
- if (!kbuf) {
- printf("KMem allocation failed\n");
- exit(0);
- }
- // Pointers for Virtualized Mem
- for (j = 0; j < BUFFERS; j++) {
- ptr[j] = (volatile uint32_t*)pcilib_kmem_get_block_ua(pci, kbuf, j);
- memset((ptr[j]), 0, HUGE_PAGE * PAGE_SIZE);
- }
- err = 0;
- // Check if HW addresses satisfy 4k boundary condition, if not -> free (!!) and reallocate memory
- printf("4k boundary test: ");
- for (j = 0; j < BUFFERS; j++) {
- temp = (((unsigned int)pcilib_kmem_get_block_ba(pci, kbuf, j)) % 4096);
- //printf("%u", temp);
- if (temp != 0) {
- err = 1;
- }
- }
- if (err == 1) {
- pcilib_clean_kernel_memory(pci, USE, clean_flags);
- pcilib_clean_kernel_memory(pci, USE_RING, clean_flags);
- pcilib_free_kernel_memory(pci, kbuf, free_flags);
- printf("failed \xE2\x9C\x98\n");
- }
- else printf("passed \xE2\x9C\x93\n");
- } while (err == 1);
- // ******************************************************************
- // **** Allocate RAM buffer Memory *****
- // ******************************************************************
-
- FILE * Output;
- FILE * error_log;
- #ifdef CHECK_RESULTS
- uint32_t *temp_data[ITERATIONS][BUFFERS];
- for (j=0; j < ITERATIONS; j++) {
- for (i=0; i < BUFFERS; i++) {
- temp_data[j][i] = (uint32_t *)malloc(HUGE_PAGE*PAGE_SIZE);
- if (temp_data[j][i] == 0) {
- printf("******* Error: could not allocate memory! ********\n");
- exit(0);
- }
- memset((void*)(temp_data[j][i]), 0, HUGE_PAGE * PAGE_SIZE);
- }
- }
- #endif
- #ifdef SHARED_MEMORY
- // give your shared memory an id, anything will do
- key_t key = 123456;
- char *shared_memory;
- // Setup shared memory, 11 is the size
- /* if ((shmid = shmget(key, HUGE_PAGE*PAGE_SIZE, IPC_CREAT | 0666)) < 0)
- {
- printf("Error getting shared memory id");
- exit(1);
- }
- // Attached shared memory
- if ((shared_memory = shmat(shmid, NULL, 0)) == (char *) -1)
- {
- printf("Error attaching shared memory id");
- exit(1);
- }
- printf("* Shared memory created... Id:\t %d\n", key);
- //////////////// SHARED MEMORY TEST */
- #endif
- Output = fopen ("data.out", "w");
- fclose(Output);
- error_log = fopen ("error_log.txt", "w");
- fclose(error_log);
-
- // *************************************
- Output = fopen("data.txt", "w");
- fclose(Output);
- // ******************************************************************
- // **** PCIe TEST *****
- // ******************************************************************
- // Reset DMA
- printf("* DMA: Reset...\n");
- WR(0x00, 0x1);
- usleep(100000);
- WR(0x00, 0x0);
- usleep(100000);
-
- #ifdef CHECK_READY
- printf("* PCIe: Testing...");
- RD(0x0, err);
- if (err != 335746816) {
- printf("\xE2\x9C\x98\n PCIe not ready!\n");
- exit(0);
- } else {
- printf("\xE2\x9C\x93 \n");
- }
- #endif
-
- // ******************************************************************
- // **** DMA CONFIGURATION *****
- // ******************************************************************
-
- printf("* DMA: Start Data Generator...\n");
- WR(0x04, 0x10) // Start data generator
- printf("* DMA: Send Data Fill Pattern 55aa55aa\n");
- WR(0x14, 0xbeef);
- printf("* DMA: Send Data Amount\n");
- #ifdef DUAL_CORE
- WR(0x10, (HUGE_PAGE * (PAGE_SIZE / (4 * TLP_SIZE)))/2);
- #else
- WR(0x10, (HUGE_PAGE * (PAGE_SIZE / (4 * TLP_SIZE))));
- #endif
- printf("* DMA: Running mode: ");
- #ifdef USE_64
- if (TLP_SIZE == 64)
- {
- WR(0x0C, 0x80040);
- printf ("64bit - 256B Payload\n");
- }
- else if (TLP_SIZE == 32)
- {
- WR(0x0C, 0x80020);
- printf ("64bit - 128B Payload\n");
- }
- #else
- if (TLP_SIZE == 64)
- {
- WR(0x0C, 0x0040);
- printf ("32bit - 256B Payload\n");
- }
- else if (TLP_SIZE == 32)
- {
- WR(0x0C, 0x0020);
- printf ("32bit - 128B Payload\n");
- }
- #endif
-
- printf("* DMA: Reset Desc Memory...\n");
- WR(0x5C, 0x00); // RST Desc Memory
- //printf("Writing SW Read Descriptor\n");
- WR(0x58, BUFFERS-1);
- //WR(0x58, 0x01);
- //printf("Writing the Descriptor Threshold\n");
- WR(0x60, DESC_THRESHOLD);
- //printf("Writing HW write Descriptor Address: %lx\n", kdesc_bus);
- WR(0x54, kdesc_bus);
- usleep(100000);
- printf("* DMA: Writing Descriptors\n");
- for (j = 0; j < BUFFERS; j++ ) {
- bus_addr[j] = pcilib_kmem_get_block_ba(pci, kbuf, j);
- // LEAVE THIS DELAY???!?!?!?!
- usleep(1000);
- printf("Writing descriptor num. %ld: \t %08lx \r", j, bus_addr[j]);
- WR(0x50, bus_addr[j]);
- }
- // ******************************************************************
- // **** HEB CONFIGURATION *****
- // ******************************************************************
- #ifdef HEB
- printf("* DDR REGISTERS: AXI_BUF_SIZE \n");
- WR(0x9130, 0x1000);
- usleep(100000);
- printf("* HEB: Control \n");
- WR(0x9040, 0x00000001);
- usleep(100000);
- printf("* HEB: Control \n");
- WR(0x9040, 0x00000004);
- usleep(100000);
- printf("* HEB: Control \n");
- WR(0x9040, 0x00000000);
- usleep(100000);
- printf("* HEB: Writing Total Orbit Num\n");
- WR(0x9020, 0x2000);
- printf("* HEB: Orbit Skip Num h9028\n");
- WR(0x9028, 0x4);
- //printf("* HEB: LVDS_DELAY h9080\n");
- //WR(0x9080, 0x10101010);
- //printf("* HEB: Delay ADCs \n");
- //WR(0x9088, 0x001);
- //WR(0x9090, 0x001);
- //WR(0x9094, 0x001);
- //WR(0x9098, 0x001);
- //printf("* HEB: Delay TH \n");
- //WR(0x90a0, 0x005);
- //printf("* HEB: Delay_FPGA_reg \n");
- //WR(0x90a8, 0x006);
- //printf("* HEB: Control \n");
- //WR(0x9040, 0x40000000);
- //usleep(1000000);
-
- printf("* HEB: Control \n");
- WR(0x9040, 0x40000bf0);
- usleep(100000);
- printf("* HEB: Control \n");
- WR(0x9040, 0x400003f0);
- usleep(100000);
- printf("* HEB: Control \n");
- WR(0x9040, 0x480007F0);
- usleep(100000);
- printf("* HEB: Control \n");
- WR(0x9040, 0x48000FF0);
- #endif
- // ******************************************************************
- // **** TEST DDR conf *****
- // ******************************************************************
- #ifdef TEST_DDR
- printf("* DDR: AXI_BUF_SIZE_ADDR: 4k\n");
- WR(0x9010, 0x04000);
- printf("* DDR: Control \n");
- WR(0x9000, 0x000000F);
- usleep(100000);
- WR(0x9000, 0x00000008);
- usleep(100000);
- WR(0x9000, 0x08000008);
- usleep(50000);
- printf("* DDR: Control \n");
- WR(0x9000, 0x08000208);
- #endif
- // ******************************************************************
- // **** START DMA *****
- // ******************************************************************
- //printf ("\n ---- Press ENTER to start DMA ---- \n");
- //getchar();
- printf("* DMA: Start \n");
- WR(0x04, 0x1f);
- gettimeofday(&start, NULL);
- // ******************************************************************
- // **** Handshaking DMA *****
- // ******************************************************************
- uint32_t curptr = 0, hwptr;
- uint32_t curbuf = 0;
- int empty = 0;
- i = 0;
- while (i < ITERATIONS) {
- j = 0;
- // printf("\ndesc0: %lx", htonl(desc[0]));
- // printf("\ndesc1: %lx", htonl(desc[1]));
- // printf("\ndesc2: %lx", htonl(desc[2]));
- // printf("\ndesc3: %lx", htonl(desc[3]));
- // printf("\ndesc4: %lx", htonl(desc[4]));
- // printf("\ndesc5: %lx", htonl(desc[5]));
- //printf("Iteration: %li of %li \r", i+1, ITERATIONS);
- //loadBar(i+1, ITERATIONS, ITERATIONS, 30);
- // printf("\nhwptr: %zu", hwptr);
- // printf("\ncurptr: %zu", curptr);
- do {
- #ifdef USE_64
- hwptr = htonl(desc[3]);
- #else // 32-bit
- hwptr = htonl(desc[4]);
- #endif
- j++;
- //printf("\rcurptr: %lx \t \t hwptr: %lx", curptr, hwptr);
- } while (hwptr == curptr);
- do {
- pcilib_kmem_sync_block(pci, kbuf, PCILIB_KMEM_SYNC_FROMDEVICE, curbuf);
- #ifdef CHECK_RESULTS
- memcpy(temp_data[i][curbuf], ptr[curbuf], 4096);
- #endif
- #ifdef SHARED_MEMORY
- memcpy(shared_memory, ptr[curbuf], 4096);
- #endif
- //printf("\ncurbuf: %08x", curbuf);
- //printf("\nbus_addr[curbuf]\n: %08x",bus_addr[curbuf]);
- // for (k = 0; k < 63; k++){
- // if (k%16 == 0) printf("\n# %d # :", k);
- // printf(" %08x", ptr[curbuf][k]);
- // }
- //pcilib_kmem_sync_block(pci, kbuf, PCILIB_KMEM_SYNC_TODEVICE, curbuf);
- curbuf++;
- if (curbuf == BUFFERS) {
- i++;
- curbuf = 0;
- #ifdef SWITCH_GENERATOR
- if (switch_generator == 1) {
- switch_generator = 0;
- WR(0x9040, 0x100007F0);
- } else {
- WR(0x9040, 0x180007F0);
- switch_generator = 1;
- }
- #endif
- if (i >= ITERATIONS) break;
- //if (i >= (ITERATIONS - 4) ) WR(0x04, 0x0f);
- }
- } while (bus_addr[curbuf] != hwptr);
- #ifdef EXIT_ON_EMPTY
- #ifdef USE_64
- if (desc[1] != 0)
- #else // 32bit
- if (desc[2] != 0)
- #endif
- {
- if (bus_addr[curbuf] == hwptr) {
- empty = 1;
- break;
- }
- }
- #endif
- WR(0x58, curbuf + 1);
- //printf("WR %d\n", curbuf + 1);
- //printf("%u (%lu)\n", curbuf, j);
- curptr = hwptr;
- }
-
- // ******************************************************************
- // **** Read performance and stop DMA *******
- // ******************************************************************
- gettimeofday(&end, NULL);
- WR(0x04, 0x00);
- WR(0x01, 0x00);
- RD(0x28, perf_counter);
- iterations_completed = i;
- buffers_filled = curbuf;
- if (empty) printf("* DMA: Empty FIFO! Last iteration: %li of %li\n", i+1, ITERATIONS);
- printf ("* DMA: Stop\n\n");
- #ifdef CHECK_RESULTS
- printf ("First value:\t %08x\n", temp_data[0][0][0]);
- printf ("Last value:\t %08x\n\n", temp_data[ITERATIONS-1][BUFFERS-1][(PAGE_SIZE/4)-4]);
- #endif
-
- // ******************************************************************
- // **** Performance *******
- // ******************************************************************
- printf("Iterations done: %d\n", iterations_completed);
- printf("Buffers filled on last iteration: %d\n", buffers_filled);
- run_time = (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec);
- size = (long long int) (( BUFFERS * (iterations_completed) + buffers_filled) * HUGE_PAGE * PAGE_SIZE);
- size_mb = (long long int) (( BUFFERS * (iterations_completed) + buffers_filled) * HUGE_PAGE * 4 / 1024);
- printf("Performance: transfered %zu Mbytes in %zu us using %d buffers\n", (size_mb), run_time, BUFFERS);
- //printf("Buffers: \t %d \n", BUFFERS);
- //printf("Buf_Size: \t %d \n", PAGE_SIZE);
- //printf("Perf_counter: \t %f \n", perf_counter);
- performance = ((size_mb * FPGA_CLOCK * 1000000)/(perf_counter*256));
- printf("DMA perf counter:\t%d\n", (int)perf_counter);
- printf("DMA side:\t\t%.3lf MB/s\n", performance);
- printf("PC side:\t\t%.3lf MB/s\n\n", 1000000. * size_mb / run_time );
- // ******************************************************************
- // **** Read Data *******
- // ******************************************************************
- #ifdef PRINT_RESULTS
- printf("Writing Data to HDD... \n");
- for (i=0; i < iterations_completed; i++) {
- for (j=0; j < BUFFERS; j++)
- {
- Output = fopen("data.out", "a");
- fwrite(temp_data[i][j], 4096, 1, Output);
- fclose(Output);
- }
- loadBar(i+1, ITERATIONS, ITERATIONS, 30);
- }
- // Save last partially filled iteration
- for (j=0; j < buffers_filled; j++)
- {
- Output = fopen("data.out", "a");
- fwrite(temp_data[iterations_completed][j], 4096, 1, Output);
- fclose(Output);
- }
- printf("Data saved in data.out. \n");
- #endif
- #ifdef CHECK_RESULTS
- err = 0;
- error_log = fopen ("error_log.txt", "a");
- printf("\nChecking data ...\n");
- for (i=0; i < iterations_completed; i++) {
- for (j = 0; j < BUFFERS; j++) {
- for (k = 0; k < 1024 ; k++)
- {
- mem_diff = ((uint32_t)temp_data[i][j][k] - (uint32_t)temp_data[i][j][k+1]);
- //if ((mem_diff == 1) || (mem_diff == (-7)) || (k == 1023) )
- if ((mem_diff == -1) || (k == 1023) )
- {;}
- else {
- fprintf(error_log, "Error in: \t IT %li \t BUF : %li \t OFFSET: %li \t | %08x --> %08x - DIFF: %d \n", i, j, k, temp_data[i][j][k], temp_data[i][j][k+1], mem_diff);
- err++;
- }
- }
- if (j != BUFFERS-1) {
- // Check first and Last
- mem_diff = (uint32_t)(temp_data[i][j+1][0] - temp_data[i][j][1023]);
- if (mem_diff == (1))
- {;}
- else {
- fprintf(error_log, "Error_2 in: \t IT %li \t BUF : %li \t OFFSET: %li \t | %08x --> %08x - DIFF: %d \n", i, j, k, temp_data[i][j+1][0], temp_data[i][j][1023], mem_diff);
- err++;
- }
- }
- }
- loadBar(i+1, ITERATIONS, ITERATIONS, 30);
- }
- for (j = 0; j < buffers_filled; j++) {
- for (k = 0; k < 1024 ; k++)
- {
- mem_diff = ((uint32_t)temp_data[iterations_completed][j][k] - (uint32_t)temp_data[iterations_completed][j][k+1]);
- if ((mem_diff == -1) || (k == 1023) )
- {;}
- else {
- fprintf(error_log, "Error in: \t IT %li \t BUF : %li \t OFFSET: %li \t | %08x --> %08x - DIFF: %d \n", iterations_completed, j, k, temp_data[iterations_completed][j][k], temp_data[iterations_completed][j][k+1], mem_diff);
- err++;
- }
- }
- if (j != buffers_filled-1) {
- // Check first and Last
- mem_diff = (uint32_t)(temp_data[i][j+1][0] - temp_data[i][j][1023]);
- if (mem_diff == (1))
- {;}
- else {
- fprintf(error_log, "Error_2 in: \t IT %li \t BUF : %li \t OFFSET: %li \t | %08x --> %08x - DIFF: %d \n", iterations_completed, j, k, temp_data[iterations_completed][j+1][0], temp_data[iterations_completed][j][1023], mem_diff);
- err++;
- }
- }
- }
- if (err != 0) printf("\rChecking data: \xE2\x9C\x98 %d errors found \n See \"error_log.txt\" for details \n\n", err);
- else printf("\rChecking data: \xE2\x9C\x93 no errors found \n\n");
- fclose(error_log);
- #endif
- // *********** Free Memory
- #ifdef CHECK_RESULTS
- for (i=0; i < ITERATIONS; i++) {
- for (j=0; j < BUFFERS; j++)
- {
- free(temp_data[i][j]);
- }
- }
- #endif CHECK_RESULTS
- pcilib_free_kernel_memory(pci, kbuf, free_flags);
- pcilib_free_kernel_memory(pci, kdesc, free_flags);
- pcilib_disable_irq(pci, 0);
- pcilib_unmap_bar(pci, BAR, bar);
- pcilib_close(pci);
- // shmdt(shmid);
- // shmctl(shmid, IPC_RMID, NULL);
- }
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