Page 316 - Embedded Microprocessor Systems Real World Design
P. 316

OFF OVERRIDE?
                                    r                      1






                                                                                1
                             TURN WMP OFF                       TURN PUMP ON
                                    I                                    I
                                                                         I










                         SET CURRENT TIME         SET CURRENT TIME
                          TO OFF TIME.             TO ON TIME.
                         SET TO OFF               SET TO ON
                           TIMING                  TIMING



                                  Q
                                   Q







                Figure A.l
                 Pool Timer Polling Loop Flowchart.














                Appendix A                                                           297
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