fields[2].in_value = NULL;
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
gettimeofday(&lap, NULL);
do {
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
fields[2].in_value = NULL;
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
gettimeofday(&lap, NULL);
do {
jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);