National Instruments PCI E Series - Page 103

Chapter 4 Programming
PCI E Series RLPM 4-40
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AO_Command_1_Register
AO BC load =1;
AO_Mode_2_Register
AO UC initial load source = 0;
AO_UC_Load_A_Registers (24 bits)
Points per buffer = 100;
AO_Command_1_Register
AO UC load = 1;
AO_UC_Load_A_Registers (24 bits)
Points per buffer - 1 = 99;
Joint_Reset_Register
AO configuration start = 0;
AO configuration end = 1;
3. Call
AO_Updating to program the update interval. Use the internal
UPDATE mode. Set the UI source to AO_IN_TIMEBASE1. Load the
UI counter with 1 (minimum delay from the START1 to the first
UPDATE). Write 1999 to UI Load Register A (100 µs update interval).
Joint_Reset_Register
AO configuration start = 1;
AO_Command_2_Register
AO BC gate enable = 0;
AO_Mode_1_Register
AO UPDATE source select = 0;
AO UPDATE source polarity = 0;
AO_Mode_1_Register
AO UI source select = 0;
AO UI source polarity = 0;
AO_Mode_2_Register
AO UI initial load source = 0;
AO UI reload mode = 0;
AO_UI_Load_A_Registers (24 bits)
AO UI special ticks -1 = 1;
AO_Command_1_Register
AO UI load = 1;
AO_UI_Load_A_Registers (24 bits)
AO UI ordinary ticks - 1 = 1999;
Joint_Reset_Register
AO configuration start = 0;
AO configuration end = 1;