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Diffstat (limited to 'Sensor Watch Starter Project/hal/utils/include/utils_recursion_macro.h')
-rw-r--r-- | Sensor Watch Starter Project/hal/utils/include/utils_recursion_macro.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Sensor Watch Starter Project/hal/utils/include/utils_recursion_macro.h b/Sensor Watch Starter Project/hal/utils/include/utils_recursion_macro.h new file mode 100644 index 00000000..294314c4 --- /dev/null +++ b/Sensor Watch Starter Project/hal/utils/include/utils_recursion_macro.h @@ -0,0 +1,69 @@ +/** + * \file + * + * \brief Recursion macro. + * + * Copyright (c) 2014-2018 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 + * + */ + +#ifndef _UTILS_RECURSION_MACRO_H +#define _UTILS_RECURSION_MACRO_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * \brief Macro recursion + * + * \param[in] macro Macro to be repeated recursively + * \param[in] arg A recursive threshold, building on this to decline by times + * defined with parameter n + * \param[in] n The number of repetitious calls to macro + */ +#define RECURSION_MACRO(macro, arg, n) RECURSION_MACRO_I(macro, arg, n) + +/* + * \brief Second level is needed to get integer literal from "n" if it is + * defined as macro + */ +#define RECURSION_MACRO_I(macro, arg, n) RECURSION##n(macro, arg) + +#define RECURSION0(macro, arg) +#define RECURSION1(macro, arg) RECURSION0(macro, DEC_VALUE(arg)) macro(arg, 0) +#define RECURSION2(macro, arg) RECURSION1(macro, DEC_VALUE(arg)) macro(arg, 1) +#define RECURSION3(macro, arg) RECURSION2(macro, DEC_VALUE(arg)) macro(arg, 2) +#define RECURSION4(macro, arg) RECURSION3(macro, DEC_VALUE(arg)) macro(arg, 3) +#define RECURSION5(macro, arg) RECURSION4(macro, DEC_VALUE(arg)) macro(arg, 4) + +#ifdef __cplusplus +} +#endif + +#include <utils_decrement_macro.h> +#endif /* _UTILS_RECURSION_MACRO_H */ |