40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
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/**************************************************************************//**
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*
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* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-2-7 Wayne First version
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*
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******************************************************************************/
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#ifndef NU_MISC_UTIL_H
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#define NU_MISC_UTIL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NU_MAX(a,b) ((a)>(b)?(a):(b))
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#define NU_MIN(a,b) ((a)<(b)?(a):(b))
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#define NU_CLAMP(x, min, max) NU_MIN(NU_MAX((x), (min)), (max))
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#define NU_ALIGN_DOWN(X, ALIGN) ((X) & ~((ALIGN) - 1))
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#define NU_ALIGN_UP(X, ALIGN) (((X) + (ALIGN) - 1) & ~((ALIGN) - 1))
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#define NU_ISALIGNED(a, b) (((a) & (b - 1)) == 0)
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#define SET_BIT(REG, BIT) ((REG) |= (BIT))
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#define CLEAR_BIT(REG, BIT) ((REG) &= ~(BIT))
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#define READ_BIT(REG, BIT) ((REG) & (BIT))
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#define CLEAR_REG(REG) ((REG) = (0x0))
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#define WRITE_REG(REG, VAL) ((REG) = (VAL))
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#define READ_REG(REG) ((REG))
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#define MODIFY_REG(REG, CLEARMASK, SETMASK) WRITE_REG((REG), (((READ_REG(REG)) & (~(CLEARMASK))) | (SETMASK)))
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#ifdef __cplusplus
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}
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#endif
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#endif
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