BLE_Nano nRF51 Central heart rate
Diff: nRF51_SDK_11/components/libraries/util/nordic_common.h
- Revision:
- 0:2b9b5764efb5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nRF51_SDK_11/components/libraries/util/nordic_common.h Thu May 26 10:12:27 2016 +0000 @@ -0,0 +1,109 @@ +/* Copyright (c) 2008 Nordic Semiconductor. All Rights Reserved. + * + * The information contained herein is property of Nordic Semiconductor ASA. + * Terms and conditions of usage are described in detail in NORDIC + * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. + * + * Licensees are granted free, non-transferable use of the information. NO + * WARRANTY of ANY KIND is provided. This heading must NOT be removed from + * the file. + */ + +/** @file + * @brief Common defines and macros for firmware developed by Nordic Semiconductor. + */ + +#ifndef NORDIC_COMMON_H__ +#define NORDIC_COMMON_H__ + +/** The upper 8 bits of a 32 bit value */ +//lint -emacro(572,MSB) // Suppress warning 572 "Excessive shift value" +#define MSB_32(a) (((a) & 0xFF000000) >> 24) +/** The lower 8 bits (of a 32 bit value) */ +#define LSB_32(a) ((a) & 0x000000FF) + +/** The upper 8 bits of a 16 bit value */ +//lint -emacro(572,MSB_16) // Suppress warning 572 "Excessive shift value" +#define MSB_16(a) (((a) & 0xFF00) >> 8) +/** The lower 8 bits (of a 16 bit value) */ +#define LSB_16(a) ((a) & 0x00FF) + +/** Leaves the minimum of the two 32-bit arguments */ +/*lint -emacro(506, MIN) */ /* Suppress "Constant value Boolean */ +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +/** Leaves the maximum of the two 32-bit arguments */ +/*lint -emacro(506, MAX) */ /* Suppress "Constant value Boolean */ +#define MAX(a, b) ((a) < (b) ? (b) : (a)) + +/** Concatenates two parameters. Useful as a second level of indirection, + * when a parameter can be macro itself. */ +#define CONCAT_2(p1, p2) p1##p2 +/** Concatenates three parameters. Useful as a second level of indirection, + * when a parameter can be macro itself. */ +#define CONCAT_3(p1, p2, p3) p1##p2##p3 + +/**@brief Set a bit in the uint32 word. + * + * @param[in] W Word whose bit is being set. + * @param[in] B Bit number in the word to be set. + */ +#define SET_BIT(W,B) ((W) |= (uint32_t)(1U << (B))) + + +/**@brief Clears a bit in the uint32 word. + * + * @param[in] W Word whose bit is to be cleared. + * @param[in] B Bit number in the word to be cleared. + */ +#define CLR_BIT(W, B) ((W) &= (~((uint32_t)1 << (B)))) + + +/**@brief Checks if a bit is set. + * + * @param[in] W Word whose bit is to be checked. + * @param[in] B Bit number in the word to be checked. + * + * @retval 1 if bit is set. + * @retval 0 if bit is not set. + */ +#define IS_SET(W,B) (((W) >> (B)) & 1) + +#define BIT_0 0x01 /**< The value of bit 0 */ +#define BIT_1 0x02 /**< The value of bit 1 */ +#define BIT_2 0x04 /**< The value of bit 2 */ +#define BIT_3 0x08 /**< The value of bit 3 */ +#define BIT_4 0x10 /**< The value of bit 4 */ +#define BIT_5 0x20 /**< The value of bit 5 */ +#define BIT_6 0x40 /**< The value of bit 6 */ +#define BIT_7 0x80 /**< The value of bit 7 */ +#define BIT_8 0x0100 /**< The value of bit 8 */ +#define BIT_9 0x0200 /**< The value of bit 9 */ +#define BIT_10 0x0400 /**< The value of bit 10 */ +#define BIT_11 0x0800 /**< The value of bit 11 */ +#define BIT_12 0x1000 /**< The value of bit 12 */ +#define BIT_13 0x2000 /**< The value of bit 13 */ +#define BIT_14 0x4000 /**< The value of bit 14 */ +#define BIT_15 0x8000 /**< The value of bit 15 */ +#define BIT_16 0x00010000 /**< The value of bit 16 */ +#define BIT_17 0x00020000 /**< The value of bit 17 */ +#define BIT_18 0x00040000 /**< The value of bit 18 */ +#define BIT_19 0x00080000 /**< The value of bit 19 */ +#define BIT_20 0x00100000 /**< The value of bit 20 */ +#define BIT_21 0x00200000 /**< The value of bit 21 */ +#define BIT_22 0x00400000 /**< The value of bit 22 */ +#define BIT_23 0x00800000 /**< The value of bit 23 */ +#define BIT_24 0x01000000 /**< The value of bit 24 */ +#define BIT_25 0x02000000 /**< The value of bit 25 */ +#define BIT_26 0x04000000 /**< The value of bit 26 */ +#define BIT_27 0x08000000 /**< The value of bit 27 */ +#define BIT_28 0x10000000 /**< The value of bit 28 */ +#define BIT_29 0x20000000 /**< The value of bit 29 */ +#define BIT_30 0x40000000 /**< The value of bit 30 */ +#define BIT_31 0x80000000 /**< The value of bit 31 */ + +#define UNUSED_VARIABLE(X) ((void)(X)) +#define UNUSED_PARAMETER(X) UNUSED_VARIABLE(X) +#define UNUSED_RETURN_VALUE(X) UNUSED_VARIABLE(X) + +#endif // NORDIC_COMMON_H__ +