--- /dev/null
+/* stream_test.c
+ *
+ * Test reading from FT2232H in synchronous FIFO mode.
+ *
+ * The FT2232H must supply data due to an appropriate circuit
+ *
+ * To check for skipped block with appended code,
+ * a structure as follows is assumed
+ * 1* uint32_t num (incremented in 0x4000 steps)
+ * 3* uint32_t dont_care
+ *
+ * After start, data will be read in streaming until the program is aborted
+ * Progess information wil be printed out
+ * If a filename is given on the command line, the data read will be
+ * written to that file
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <signal.h>
+#include <errno.h>
+#include <ftdi.h>
+void check_outfile(char *);
+
+static FILE *outputFile;
+
+static int check = 1;
+static int exitRequested = 0;
+/*
+ * sigintHandler --
+ *
+ * SIGINT handler, so we can gracefully exit when the user hits ctrl-C.
+ */
+
+static void
+sigintHandler(int signum)
+{
+ exitRequested = 1;
+}
+
+static void
+usage(const char *argv0)
+{
+ fprintf(stderr,
+ "Usage: %s [tions...] \n"
+ "Test streaming read from FT2232H\n"
+ "[-P string] only look for product with given string"
+ "[-n] don't check for special block structure"
+ "\n"
+ "If some filename is given, write data read to that file\n"
+ "Progess information is printed each second\n"
+ "Abort with ^C\n"
+ "\n"
+ "Options:\n"
+ "\n"
+ "Copyright (C) 2009 Micah Dowty <micah@navi.cx>\n",
+ "Adapted for use with libftdi (C) 2010 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>\n",
+ argv0);
+ exit(1);
+}
+
+static uint32_t start = 0;
+static uint32_t offset = 0;
+static uint32_t blocks = 0;
+static uint32_t skips = 0;
+static uint32_t n_err = 0;
+static int
+readCallback(uint8_t *buffer, int length, FTDIProgressInfo *progress, void *userdata)
+{
+ if (length)
+ {
+ if (check)
+ {
+ int i,rem;
+ uint32_t num;
+ for (i= offset; i<length-16; i+=16)
+ {
+ num = *(uint32_t*) (buffer+i);
+ if (start && (num != start +0x4000))
+ {
+ uint32_t delta = ((num-start)/0x4000)-1;
+ fprintf(stderr, "Skip %7d blocks from 0x%08x to 0x%08x at blocks %10d \n",
+ delta, start -0x4000, num, blocks);
+ n_err++;
+ skips += delta;
+ }
+ blocks ++;
+ start = num;
+ }
+ rem = length -i;
+ if (rem >3)
+ {
+ num = *(uint32_t*) (buffer+i);
+ if (start && (num != start +0x4000))
+ {
+ uint32_t delta = ((num-start)/0x4000)-1;
+ fprintf(stderr, "Skip %7d blocks from 0x%08x to 0x%08x at blocks %10d \n",
+ delta, start -0x4000, num, blocks);
+ n_err++;
+ skips += delta;
+ }
+ start = num;
+ }
+ else if (rem)
+ start += 0x4000;
+ if (rem != 0);
+ {
+ blocks ++;
+ offset = 16-rem;
+ }
+ }
+ if (outputFile)
+ {
+ if (fwrite(buffer, length, 1, outputFile) != 1)
+ {
+ perror("Write error");
+ return 1;
+ }
+ }
+ }
+ if (progress)
+ {
+ fprintf(stderr, "%10.02fs total time %9.3f MiB captured %7.1f kB/s curr rate %7.1f kB/s totalrate \n",
+ progress->totalTime,
+ progress->current.totalBytes / (1024.0 * 1024.0),
+ progress->currentRate / 1024.0,
+ progress->totalRate / 1024.0);
+ }
+ return exitRequested ? 1 : 0;
+}
+
+int main(int argc, char **argv)
+{
+ struct ftdi_context ftdic;
+ int err, c;
+ FILE *of = NULL;
+ char const *outfile = 0;
+ outputFile =0;
+ exitRequested = 0;
+ char *descstring = NULL;
+ int option_index;
+ static struct option long_options[] = {{NULL},};
+
+ while ((c = getopt_long(argc, argv, "P:n", long_options, &option_index)) !=- 1)
+ switch (c)
+ {
+ case -1:
+ break;
+ case 'P':
+ descstring = optarg;
+ break;
+ case 'n':
+ check = 0;
+ break;
+ default:
+ usage(argv[0]);
+ }
+
+ if (optind == argc - 1)
+ {
+ // Exactly one extra argument- a dump file
+ outfile = argv[optind];
+ }
+ else if (optind < argc)
+ {
+ // Too many extra args
+ usage(argv[0]);
+ }
+
+ if (ftdi_init(&ftdic) < 0)
+ {
+ fprintf(stderr, "ftdi_init failed\n");
+ return EXIT_FAILURE;
+ }
+
+ if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)
+ {
+ fprintf(stderr, "ftdi_set_interface failed\n");
+ return EXIT_FAILURE;
+ }
+
+ if (ftdi_usb_open_desc(&ftdic, 0x0403, 0x6010, descstring, NULL) < 0)
+ {
+ fprintf(stderr,"Can't open ftdi device: %s\n",ftdi_get_error_string(&ftdic));
+ return EXIT_FAILURE;
+ }
+
+ /* A timeout value of 1 results in may skipped blocks */
+ if(ftdi_set_latency_timer(&ftdic, 2))
+ {
+ fprintf(stderr,"Can't set latency\n",ftdi_get_error_string(&ftdic));
+ return EXIT_FAILURE;
+ }
+
+/* if(ftdi_usb_purge_rx_buffer(&ftdic) < 0)
+ {
+ fprintf(stderr,"Can't rx purge\n",ftdi_get_error_string(&ftdic));
+ return EXIT_FAILURE;
+ }*/
+ if (outfile)
+ if ((of = fopen(outfile,"w+")) == 0)
+ fprintf(stderr,"Can't open logfile %s, Error %s\n", outfile, strerror(errno));
+ if (of)
+ if (setvbuf(of, NULL, _IOFBF , 1<<16) == 0)
+ outputFile = of;
+ signal(SIGINT, sigintHandler);
+
+ err = ftdi_readstream(&ftdic, readCallback, NULL, 8, 256);
+ if (err < 0 && !exitRequested)
+ exit(1);
+
+ if (outputFile) {
+ fclose(outputFile);
+ outputFile = NULL;
+ }
+ fprintf(stderr, "Capture ended.\n");
+
+ if (ftdi_set_bitmode(&ftdic, 0xff, BITMODE_RESET) < 0)
+ {
+ fprintf(stderr,"Can't set synchronous fifo mode\n",ftdi_get_error_string(&ftdic));
+ return EXIT_FAILURE;
+ }
+ ftdi_usb_close(&ftdic);
+ ftdi_deinit(&ftdic);
+ signal(SIGINT, SIG_DFL);
+ if (check && outfile)
+ {
+ if ((outputFile = fopen(outfile,"r")) == 0)
+ {
+ fprintf(stderr,"Can't open logfile %s, Error %s\n", outfile, strerror(errno));
+ return EXIT_FAILURE;
+ }
+ check_outfile(descstring);
+ fclose(outputFile);
+ }
+ else if (check)
+ fprintf(stderr,"%d errors of %d blocks (%Le), %d (%Le) blocks skipped\n",
+ n_err, blocks, (long double)n_err/(long double) blocks,
+ skips, (long double)skips/(long double) blocks);
+ exit (0);
+}
+
+void check_outfile(char *descstring)
+{
+ if(strcmp(descstring,"FT2232HTEST") == 0)
+ {
+ char buf0[1024];
+ char buf1[1024];
+ char bufr[1024];
+ char *pa, *pb, *pc;
+ unsigned int num_lines = 0, line_num = 1;
+ int err_count = 0;
+ unsigned int num_start, num_end;
+
+ unsigned int block[4];
+ pa = buf0;
+ pb = buf1;
+ pc = buf0;
+ if(fgets(pa, 1023, outputFile) == NULL)
+ {
+ fprintf(stderr,"Empty output file\n");
+ return;
+ }
+ while(fgets(pb, 1023, outputFile) != NULL)
+ {
+ num_lines++;
+ unsigned int num_save = num_start;
+ if( sscanf(pa,"%6u%94s%6u",&num_start, bufr,&num_end) !=3)
+ {
+ fprintf(stdout,"Format doesn't match at line %8d \"%s",
+ num_lines, pa);
+ err_count++;
+ line_num = num_save +2;
+ }
+ else
+ {
+ if ((num_start+1)%100000 != num_end)
+ {
+ if (err_count < 20)
+ fprintf(stdout,"Malformed line %d \"%s\"\n",
+ num_lines, pa);
+ err_count++;
+ }
+ else if(num_start != line_num)
+ {
+ if (err_count < 20)
+ fprintf(stdout,"Skipping from %d to %d\n",
+ line_num, num_start);
+ err_count++;
+
+ }
+ line_num = num_end;
+ }
+ pa = pb;
+ pb = pc;
+ pc = pa;
+ }
+ if(err_count)
+ fprintf(stdout,"\n%d errors of %d data sets %f\n", err_count, num_lines, (double) err_count/(double)num_lines);
+ else
+ fprintf(stdout,"No errors for %d lines\n",num_lines);
+ }
+ else if(strcmp(descstring,"LLBBC10") == 0)
+ {
+ uint32_t block0[4];
+ uint32_t block1[4];
+ uint32_t *pa = block0;
+ uint32_t *pb = block1;
+ uint32_t *pc = block0;
+ uint32_t start= 0;
+ uint32_t nread = 0;
+ int expect = 1;
+ int n_shown = 0;
+ int n_errors = 0;
+ if (fread(pa, sizeof(uint32_t), 4,outputFile) < 4)
+ {
+ fprintf(stderr,"Empty result file\n");
+ return;
+ }
+ while(fread(pb, sizeof(uint32_t), 4,outputFile) != 0)
+ {
+ blocks++;
+ nread = pa[0];
+ if(start>0 && (nread != start))
+ {
+ if(n_shown < 30)
+ {
+ fprintf(stderr, "Skip %7d blocks from 0x%08x to 0x%08x at blocks %10d \n",
+ (nread-start)/0x4000, start -0x4000, nread, blocks);
+ n_shown ++;
+ }
+ n_errors++;
+ }
+ else if (n_shown >0)
+ n_shown--;
+ start = nread + 0x4000;
+ pa = pb;
+ pb = pc;
+ pc = pa;
+ }
+ if(n_errors)
+ fprintf(stderr, "%d blocks wrong from %d blocks read\n",
+ n_errors, blocks);
+ else
+ fprintf(stderr, "%d blocks all fine\n",blocks);
+ }
+}
git://developer.intra2net.com / libftdi / blobdiff