In 1790, it was estimated there were about 3,200 total Wichita. By 1868, the population was recorded as being 572 total Wichita. By the time of the census of 1937, there were only 100 Wichita officially left. Today, there are 2,526 enrolled Wichitas, 1,854 of whom live in the state of Oklahoma. Tribal flag Clothing Wichita Indian men wore breechcloths, sometimes with leather leggings to protect their legs. Wichita women wore wraparound skirts and poncho tops made of woven fiber and deerskin. Both genders wore earrings and moccasins. Wichita men did not usually wear shirts, but in cold weather, both men and women wore buffalo robes. Food The Wichitas were farming people. Wichita women worked together to raise crops of corn, beans, squash and pumpkins. Men hunted deer and small game and took part in seasonal buffalo hunts. The Wichitas
To avoid multiple index capture events from a single sensor input signal, be sure the index input to the LM628/9 occurs for only one encoder cycle, regardless of how long the actual sensor input lasts. In the actual application, a small CPLD handled the index inputs for multiple LM629s. Figure 7.32 shows how the timing worked. The interrupt output can be asserted for any combination of various con- ditions, including a breakpoint, index pulse, wraparound, position error, or command error. Which conditions generate an interrupt are controlled by the software, by setting a mask byte in the LM628/9. The interrupt output is level sensitive and true when high. When using the LM628/9 motor controller, there are some software considerations: • The position registers in the device have a limited size: 32 bits for the LM628/9. This means that if enough forward movements are made, or if
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