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application: improve JTAG scan

This commit is contained in:
King Kévin 2021-03-22 11:56:55 +01:00
parent 6910f024f0
commit 61d3f84403
1 changed files with 5 additions and 3 deletions
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8
application.c
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@ -441,11 +441,13 @@ static void command_jtag_scan(void* argument)
continue; // any other data on the line should be noise
} else if (0 == jtag_tdo[tdo] || UINT32_MAX == jtag_tdo[tdo]) { // no IDCODE received (line constant low or pulled up
idcode[tdo] = false;
} else if (0 == (jtag_tdo[tdo] & 0x1)) { // RAO bit is wrong
continue;
} else { // IDCODE received
printf("\nIDCODE found: TCK=CH%02u TMS=CH%02u TDO=CH%02u CHAIN=%u IDCODE=%+08x (", tck, tms, tdo, idcodes[tdo] + 1, jtag_tdo[tdo]); // show finding
print_idcode(jtag_tdo[tdo]);
if (jtag_tdo[tdo] & 0x1) { // RAO bit is wrong
print_idcode(jtag_tdo[tdo]);
} else { // RAO bit 0 is wrong
puts("invalid");
}
puts(")");
idcodes[tdo]++; // count the number of IDCODEs found
tck_ok[tck] = true; // remember we found TCK on this channel