jtag/jtag.c

   1 /* ******************************************************** */
   2 /* Small program to download a VHDL program to a JTAG port. */
   3 /* Julian Lewis Mon 7th April 2003                          */
   4
   5 #include <sys/types.h>
   6 #include <unistd.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <sys/file.h>
  11
  12 #include <lenval.h>
  13 #include <micro.h>
  14 #include <ports.h>
  15
  16 void setPort(short p,short val);
  17 void readByte(unsigned char *data);
  18 unsigned char readTDOBit();
  19 void waitTime(long microsec);
  20 void pulseClock();
  21
  22 static int xsvf_iDebugLevel = 0;
  23 static FILE *inp = NULL;
  24 static short *jtagAddr = NULL;
  25 static unsigned short jtag = 0x0F; /* Keep all jtag bits   */
  26
  27 #include <lenval.c>
  28 #include <micro.c>
  29 #include <ports.c>
  30 #include <smemio.c>
  31
  32 /* ********************************************* */
  33 /* Arguments: Filename VME-Address [Debug-Level] */
  34
  35 int main(int argc,char *argv[]) {
  36
  37 char fname[128], *cp, *ep, yn;
  38 short *vmeAddress;
  39 int cc;
  40
  41    if ((argc < 3) || (argc > 4)) {
  42       printf("jtag: <filename> <vme address> [<debug level>]\n");
  43       printf("Examples:\n");
  44       printf("         nouchi.xsvf 0x1000\n");
  45       printf("         nouchi.xsvf 0x1000 4\n");
  46       exit(0);
  47    }
  48
  49    strcpy(fname,argv[1]);
  50    cp = argv[2];
  51    vmeAddress = (short *) strtoul(cp,&ep,0);
  52    if (argc == 4) xsvf_iDebugLevel = strtoul(argv[3],&ep,0);
  53
  54    printf("VHDL-Compiled BitStream Filename: %s VMEAddress: 0x%X DebugLevel: %d \n",
  55           fname,
  56           (int) vmeAddress,
  57           (int) xsvf_iDebugLevel);
  58
  59    printf("Continue (Y/N):"); yn = getchar();
  60    if ((yn != 'y') && (yn != 'Y')) exit(0);
  61
  62    inp = fopen(fname,"r");
  63    if (inp) {
  64
  65       if (GetJtagPort(vmeAddress)) {
  66
  67          cc = xsvfExecute(); /* Play the xsvf file */
  68          if (cc) printf("Jtag: xsvfExecute: ReturnCode: %d Error\n",cc);
  69          else    printf("Jtag: xsvfExecute: ReturnCode: %d All OK\n",cc);
  70          fclose(inp);
  71          exit(0);
  72       }
  73    } else {
  74       perror("fopen");
  75       printf("Could not open the file: %s for reading\n",fname);
  76    }
  77    exit(0);
  78 }