NI_GPCT_COUNTING_DIRECTION_SHIFT
GI_CNT_DIR(mode >> NI_GPCT_COUNTING_DIRECTION_SHIFT));
0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
0x00 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
0x1 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
0x2 << NI_GPCT_COUNTING_DIRECTION_SHIFT,
0x3 << NI_GPCT_COUNTING_DIRECTION_SHIFT,