/** * Copyright (c) 2014 - 2018, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ /** @file * * @defgroup blinky_example_main main.c * @{ * @ingroup blinky_example * @brief Blinky Example Application main file. * * This file contains the source code for a sample application to blink LEDs. * */ #include #include #include #include "nrf.h" #include "nrf_gpio.h" #include "nrf_delay.h" #include "boards.h" #include "nrf_drv_rtc.h" #include "nrf_drv_clock.h" #include "SEGGER_RTT.h" #define COMPARE_COUNTERTIME (3UL) /**< Get Compare event COMPARE_TIME seconds after the counter starts from 0. */ #ifdef BSP_LED_0 #define TICK_EVENT_OUTPUT BSP_LED_0 /**< Pin number for indicating tick event. */ #endif #ifndef TICK_EVENT_OUTPUT #error "Please indicate output pin" #endif #ifdef BSP_LED_1 #define COMPARE_EVENT_OUTPUT BSP_LED_1 /**< Pin number for indicating compare event. */ #endif #ifndef COMPARE_EVENT_OUTPUT #error "Please indicate output pin" #endif const nrf_drv_rtc_t rtc = NRF_DRV_RTC_INSTANCE(0); /**< Declaring an instance of nrf_drv_rtc for RTC0. */ /** @brief Function starting the internal LFCLK XTAL oscillator. */ static void lfclk_config(void) { ret_code_t err_code = nrf_drv_clock_init(); APP_ERROR_CHECK(err_code); nrf_drv_clock_lfclk_request(NULL); } static void rtc_config(void) { uint32_t err_code; //Initialize RTC instance nrf_drv_rtc_config_t config = NRF_DRV_RTC_DEFAULT_CONFIG; config.prescaler = 32; err_code = nrf_drv_rtc_init(&rtc, &config, NULL); APP_ERROR_CHECK(err_code); //Enable tick event & interrupt /*nrf_drv_rtc_tick_enable(&rtc,true);*/ /*//Set compare channel to trigger interrupt after COMPARE_COUNTERTIME seconds*/ /*err_code = nrf_drv_rtc_cc_set(&rtc,0,COMPARE_COUNTERTIME * 8,true);*/ /*APP_ERROR_CHECK(err_code);*/ //Power on RTC instance nrf_drv_rtc_enable(&rtc); } int main(void) { /* Configure board. */ bsp_board_init(BSP_INIT_LEDS); lfclk_config(); rtc_config(); SEGGER_RTT_printf(0, "Hello FIDO2\n"); uint32_t count; int i = 0; while (1) { i++; for (int i = 0; i < LEDS_NUMBER; i++) { bsp_board_led_invert(i); nrf_delay_ms(25); } count = nrf_drv_rtc_counter_get(&rtc); printf("toggle\r\n"); SEGGER_RTT_SetTerminal(0); SEGGER_RTT_printf(0, "Hello World %d!\n", count); SEGGER_RTT_SetTerminal(1); SEGGER_RTT_printf(0, "Hello World %d!\n", i); } } /** *@} **/