/** * \file * * \brief Common Delay Service * * Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries. * * \asf_license_start * * \page License * * Subject to your compliance with these terms, you may use Microchip * software and any derivatives exclusively with Microchip products. * It is your responsibility to comply with third party license terms applicable * to your use of third party software (including open source software) that * may accompany Microchip software. * * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE. * * \asf_license_stop * */ /* * Support and FAQ: visit Microchip Support */ #ifndef DELAY_H_INCLUDED #define DELAY_H_INCLUDED #ifdef __cplusplus extern "C" { #endif /** * @defgroup group_common_services_delay Busy-Wait Delay Routines * * This module provides simple loop-based delay routines for those * applications requiring a brief wait during execution. Common for * API ver. 2. * * @{ */ #ifdef SYSTICK_MODE #include "sam0/systick_counter.h" #endif #ifdef CYCLE_MODE #include "sam0/cycle_counter.h" #endif void delay_init(void); /** * \def delay_s * \brief Delay in at least specified number of seconds. * \param delay Delay in seconds */ #define delay_s(delay) ((delay) ? cpu_delay_s(delay) : cpu_delay_us(1)) /** * \def delay_ms * \brief Delay in at least specified number of milliseconds. * \param delay Delay in milliseconds */ #define delay_ms(delay) ((delay) ? cpu_delay_ms(delay) : cpu_delay_us(1)) /** * \def delay_us * \brief Delay in at least specified number of microseconds. * \param delay Delay in microseconds */ #define delay_us(delay) ((delay) ? cpu_delay_us(delay) : cpu_delay_us(1)) #ifdef __cplusplus } #endif /** * @} */ #endif /* DELAY_H_INCLUDED */