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/*! \file readme.txt \brief description of the comparator output timer input capture demo */ /* Copyright (C) 2017 GigaDevice 2014-12-26, V1.0.0, platform GD32F1x0(x=3,5) 2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9) 2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9) 2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9) */ This demo is based on the GD32150R-EVAL/GD32190R-EVAL board, it shows how to configure the comparator trigger timer 1 channel 3 input capture event, which is configured to generate an interrupt on both rising and falling edge of the output signal.In this demo, input 3.3V(GD32150R) or 5V(GD32190R) to CMP1_IP. After system start-up, enable comparator and trigger interrupt,then LED3 is on. Connect PA1 to +3V3(GD32150R) or +5V(GD32190R).