/************************************************ * Universal Library Demo Program * * * * Christian Schmidt, 1/26/2004 * * schmidt@ece.ucsb.edu * ************************************************/ /* Include files */ #include #include #include #include "cbw.h" void wait(int ticks); void wait(ticks) { clock_t t1; t1 = clock(); while (clock() - t1 < ticks) ; } void main() { // Local Variables const int BoardNum = 0; float RevLevel = (float) CURRENTREVNUM; clock_t t1, t2; USHORT portA_val, portCL_val; int done; // I/O Board Initialization cbDeclareRevision(&RevLevel); cbErrHandling(PRINTALL, STOPALL); cbDConfigPort(BoardNum, FIRSTPORTA, DIGITALIN); cbDConfigPort(BoardNum, FIRSTPORTB, DIGITALOUT); // printf("cbDIn() and cbDOut() Demonstration\n"); printf("Press any key to end program\n\n"); // Run until some key hit while (!kbhit()) { // Port-wise I/O: read input from port A cbDIn(BoardNum, FIRSTPORTA, &portA_val); printf("Port A: %d\n", portA_val); // Wait for 1/5th second wait(CLOCKS_PER_SEC / 5); // Output current status to FPGA board cbDOut(BoardNum, FIRSTPORTB, portA_val); } }