// ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2015 Nicolas Schodet // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // // }}} #include "ucoo/base/test/test.hh" #include "ucoo/arch/arch.hh" #include "ucoo/hal/timer/timer.hh" #include #include #include int main (int argc, const char **argv) { // PD13 (T4_CH2) is used as input capture. // PWM signal is output on PA1 (T2_CH2), there is a button on PA0. // Connect PD13 on PA0 or PA1. On each edge, there will be a pulse on // PD15 (T4_CH4). ucoo::arch_init (argc, argv); ucoo::test_stream_setup (); using Timer = ucoo::TimerHard; using TimerRef = ucoo::TimerHard; Timer timer; TimerRef timerref; // AF setup. rcc_periph_clock_enable (RCC_GPIOA); rcc_periph_clock_enable (RCC_GPIOD); gpio_mode_setup (GPIOA, GPIO_MODE_AF, GPIO_PUPD_PULLDOWN, GPIO1); gpio_set_af (GPIOA, GPIO_AF1, GPIO1); gpio_mode_setup (GPIOD, GPIO_MODE_AF, GPIO_PUPD_PULLDOWN, GPIO13 | GPIO15); gpio_set_af (GPIOD, GPIO_AF2, GPIO13 | GPIO15); // Timers setup. timerref.enable, TimerRef::OptionOutputCompare<2> > (2000); timerref.set_output_compare (2, 2500); timer.enable, Timer::OptionTrigger<2>, Timer::OptionInputCapture<2, Timer::Filter::OFF, Timer::Map::SAME, Timer::Polarity::BOTH>, Timer::OptionOutputCompare<4, Timer::Polarity::INVERTED> > (2000); timer.set_output_compare (4, 500); while (1) printf ("%u\n", timer.get_value ()); }