jackcartersmith/xilinx-usb-driver
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monitor tdi, too

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This commit is contained in:
michael 2007-05-01 21:18:51 +00:00
parent 0a060ead2d
commit 084feb4bf3
3 changed files with 11 additions and 3 deletions
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2
jtagkey.c
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@ -209,7 +209,7 @@ int jtagkey_transfer(WD_TRANSFER *tr, int fd, unsigned int request, int ppbase,
DPRINTF("write byte: %d\n", val); DPRINTF("write byte: %d\n", val);
if (tr[i].cmdTrans == 13) if (tr[i].cmdTrans == 13)
tapmon(val & PP_TCK, val & PP_TMS); jtagmon(val & PP_TCK, val & PP_TMS, val & PP_TDI);
#endif #endif
/* Pad writebuf for read-commands in stream */ /* Pad writebuf for read-commands in stream */

10
jtagmon.c
View File

@ -21,8 +21,9 @@ enum tap_states {
UPDATE_IR UPDATE_IR
}; };
void tapmon(unsigned char tck, unsigned char tms) { void jtagmon(unsigned char tck, unsigned char tms, unsigned char tdi) {
static unsigned char last_tck = 1; static unsigned char last_tck = 1;
static char tdi_written = 0;
static int state = TEST_LOGIC_RESET; static int state = TEST_LOGIC_RESET;
static char state_text[32] = "Test Logic Reset"; static char state_text[32] = "Test Logic Reset";
char last_state_text[32]; char last_state_text[32];
@ -198,7 +199,14 @@ void tapmon(unsigned char tck, unsigned char tms) {
} }
if (last_state != state) { if (last_state != state) {
if (tdi_written)
fprintf(stderr,"\n");
fprintf(stderr,"TAP state transition from %s to %s\n", last_state_text, state_text); fprintf(stderr,"TAP state transition from %s to %s\n", last_state_text, state_text);
tdi_written = 0;
} else {
fprintf(stderr,"%d",(tdi ? 1 : 0));
tdi_written = 1;
} }
} }

2
jtagmon.h
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@ -1 +1 @@
void tapmon(unsigned char tck, unsigned char tms); void jtagmon(unsigned char tck, unsigned char tms, unsigned char tdi);