From 3061ecca3d0fdfb87dabbf5f63c9e06c2a30f53a Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Thu, 23 Aug 2018 17:08:59 +0200 Subject: o Initial import. --- .../examples/peripheral/blinky_freertos/main.c | 134 +++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 thirdparty/nRF5_SDK_15.0.0_a53641a/examples/peripheral/blinky_freertos/main.c (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/examples/peripheral/blinky_freertos/main.c') diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/peripheral/blinky_freertos/main.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/peripheral/blinky_freertos/main.c new file mode 100644 index 0000000..0d61432 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/peripheral/blinky_freertos/main.c @@ -0,0 +1,134 @@ +/** + * Copyright (c) 2015 - 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_freertos + * + * @brief Blinky FreeRTOS Example Application main file. + * + * This file contains the source code for a sample application using FreeRTOS to blink LEDs. + * + */ + +#include +#include + +#include "FreeRTOS.h" +#include "task.h" +#include "timers.h" +#include "bsp.h" +#include "nordic_common.h" +#include "nrf_drv_clock.h" +#include "sdk_errors.h" +#include "app_error.h" + +#if LEDS_NUMBER <= 2 +#error "Board is not equipped with enough amount of LEDs" +#endif + +#define TASK_DELAY 200 /**< Task delay. Delays a LED0 task for 200 ms */ +#define TIMER_PERIOD 1000 /**< Timer period. LED1 timer will expire after 1000 ms */ + +TaskHandle_t led_toggle_task_handle; /**< Reference to LED0 toggling FreeRTOS task. */ +TimerHandle_t led_toggle_timer_handle; /**< Reference to LED1 toggling FreeRTOS timer. */ + +/**@brief LED0 task entry function. + * + * @param[in] pvParameter Pointer that will be used as the parameter for the task. + */ +static void led_toggle_task_function (void * pvParameter) +{ + UNUSED_PARAMETER(pvParameter); + while (true) + { + bsp_board_led_invert(BSP_BOARD_LED_0); + + /* Delay a task for a given number of ticks */ + vTaskDelay(TASK_DELAY); + + /* Tasks must be implemented to never return... */ + } +} + +/**@brief The function to call when the LED1 FreeRTOS timer expires. + * + * @param[in] pvParameter Pointer that will be used as the parameter for the timer. + */ +static void led_toggle_timer_callback (void * pvParameter) +{ + UNUSED_PARAMETER(pvParameter); + bsp_board_led_invert(BSP_BOARD_LED_1); +} + +int main(void) +{ + ret_code_t err_code; + + /* Initialize clock driver for better time accuracy in FREERTOS */ + err_code = nrf_drv_clock_init(); + APP_ERROR_CHECK(err_code); + + /* Configure LED-pins as outputs */ + bsp_board_init(BSP_INIT_LEDS); + + /* Create task for LED0 blinking with priority set to 2 */ + UNUSED_VARIABLE(xTaskCreate(led_toggle_task_function, "LED0", configMINIMAL_STACK_SIZE + 200, NULL, 2, &led_toggle_task_handle)); + + /* Start timer for LED1 blinking */ + led_toggle_timer_handle = xTimerCreate( "LED1", TIMER_PERIOD, pdTRUE, NULL, led_toggle_timer_callback); + UNUSED_VARIABLE(xTimerStart(led_toggle_timer_handle, 0)); + + /* Activate deep sleep mode */ + SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; + + /* Start FreeRTOS scheduler. */ + vTaskStartScheduler(); + + while (true) + { + /* FreeRTOS should not be here... FreeRTOS goes back to the start of stack + * in vTaskStartScheduler function. */ + } +} + +/** + *@} + **/ -- cgit v1.2.3