iOSのBLEコントローラアプリ「RCBController」と接続し、コントローラの操作を取得するサンプルプログラムです。 mbed HRM1017で動作を確認しています。 2014.08.20時点でのBLEライブラリに対応しました。
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Diff: nRF51822/nordic/nrf-sdk/app_common/app_util.h
- Revision:
- 4:ebda47d22091
- Parent:
- 3:9a2487262bb2
--- a/nRF51822/nordic/nrf-sdk/app_common/app_util.h Wed Aug 20 13:37:04 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,232 +0,0 @@ -/* Copyright (c) 2012 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 - * - * @defgroup app_util Utility Functions and Definitions - * @{ - * @ingroup app_common - * - * @brief Various types and definitions available to all applications. - */ - -#ifndef APP_UTIL_H__ -#define APP_UTIL_H__ - -#include <stdint.h> -#include <stdbool.h> -#include "compiler_abstraction.h" - -enum -{ - UNIT_0_625_MS = 625, /**< Number of microseconds in 0.625 milliseconds. */ - UNIT_1_25_MS = 1250, /**< Number of microseconds in 1.25 milliseconds. */ - UNIT_10_MS = 10000 /**< Number of microseconds in 10 milliseconds. */ -}; - -/**@brief Macro for doing static (i.e. compile time) assertion. - * - * @note If the assertion fails when compiling using Keil, the compiler will report error message - * "error: #94: the size of an array must be greater than zero" (while gcc will list the - * symbol static_assert_failed, making the error message more readable). - * If the supplied expression can not be evaluated at compile time, Keil will report - * "error: #28: expression must have a constant value". - * - * @note The macro is intentionally implemented not using do while(0), allowing it to be used - * outside function blocks (e.g. close to global type- and variable declarations). - * If used in a code block, it must be used before any executable code in this block. - * - * @param[in] EXPR Constant expression to be verified. - */ - -#if defined(__GNUC__) -#define STATIC_ASSERT(EXPR) typedef char __attribute__((unused)) static_assert_failed[(EXPR) ? 1 : -1] -#else -#define STATIC_ASSERT(EXPR) typedef char static_assert_failed[(EXPR) ? 1 : -1] -#endif - - -/**@brief type for holding an encoded (i.e. little endian) 16 bit unsigned integer. */ -typedef uint8_t uint16_le_t[2]; - -/**@brief type for holding an encoded (i.e. little endian) 32 bit unsigned integer. */ -typedef uint8_t uint32_le_t[4]; - -/**@brief Byte array type. */ -typedef struct -{ - uint16_t size; /**< Number of array entries. */ - uint8_t * p_data; /**< Pointer to array entries. */ -} uint8_array_t; - -/**@brief Perform rounded integer division (as opposed to truncating the result). - * - * @param[in] A Numerator. - * @param[in] B Denominator. - * - * @return Rounded (integer) result of dividing A by B. - */ -#define ROUNDED_DIV(A, B) (((A) + ((B) / 2)) / (B)) - -/**@brief Check if the integer provided is a power of two. - * - * @param[in] A Number to be tested. - * - * @return true if value is power of two. - * @return false if value not power of two. - */ -#define IS_POWER_OF_TWO(A) ( ((A) != 0) && ((((A) - 1) & (A)) == 0) ) - -/**@brief To convert ticks to millisecond - * @param[in] time Number of millseconds that needs to be converted. - * @param[in] resolution Units to be converted. - */ -#define MSEC_TO_UNITS(TIME, RESOLUTION) (((TIME) * 1000) / (RESOLUTION)) - - -/**@brief Perform integer division, making sure the result is rounded up. - * - * @details One typical use for this is to compute the number of objects with size B is needed to - * hold A number of bytes. - * - * @param[in] A Numerator. - * @param[in] B Denominator. - * - * @return Integer result of dividing A by B, rounded up. - */ -#define CEIL_DIV(A, B) \ - /*lint -save -e573 */ \ - ((((A) - 1) / (B)) + 1) \ - /*lint -restore */ - -/**@brief Function for encoding a uint16 value. - * - * @param[in] value Value to be encoded. - * @param[out] p_encoded_data Buffer where the encoded data is to be written. - * - * @return Number of bytes written. - */ -static __INLINE uint8_t uint16_encode(uint16_t value, uint8_t * p_encoded_data) -{ - p_encoded_data[0] = (uint8_t) ((value & 0x00FF) >> 0); - p_encoded_data[1] = (uint8_t) ((value & 0xFF00) >> 8); - return sizeof(uint16_t); -} - -/**@brief Function for encoding a uint32 value. - * - * @param[in] value Value to be encoded. - * @param[out] p_encoded_data Buffer where the encoded data is to be written. - * - * @return Number of bytes written. - */ -static __INLINE uint8_t uint32_encode(uint32_t value, uint8_t * p_encoded_data) -{ - p_encoded_data[0] = (uint8_t) ((value & 0x000000FF) >> 0); - p_encoded_data[1] = (uint8_t) ((value & 0x0000FF00) >> 8); - p_encoded_data[2] = (uint8_t) ((value & 0x00FF0000) >> 16); - p_encoded_data[3] = (uint8_t) ((value & 0xFF000000) >> 24); - return sizeof(uint32_t); -} - -/**@brief Function for decoding a uint16 value. - * - * @param[in] p_encoded_data Buffer where the encoded data is stored. - * - * @return Decoded value. - */ -static __INLINE uint16_t uint16_decode(const uint8_t * p_encoded_data) -{ - return ( (((uint16_t)((uint8_t *)p_encoded_data)[0])) | - (((uint16_t)((uint8_t *)p_encoded_data)[1]) << 8 )); -} - -/**@brief Function for decoding a uint32 value. - * - * @param[in] p_encoded_data Buffer where the encoded data is stored. - * - * @return Decoded value. - */ -static __INLINE uint32_t uint32_decode(const uint8_t * p_encoded_data) -{ - return ( (((uint32_t)((uint8_t *)p_encoded_data)[0]) << 0) | - (((uint32_t)((uint8_t *)p_encoded_data)[1]) << 8) | - (((uint32_t)((uint8_t *)p_encoded_data)[2]) << 16) | - (((uint32_t)((uint8_t *)p_encoded_data)[3]) << 24 )); -} - -/** @brief Function for converting the input voltage (in milli volts) into percentage of 3.0 Volts. - * - * @details The calculation is based on a linearized version of the battery's discharge - * curve. 3.0V returns 100% battery level. The limit for power failure is 2.1V and - * is considered to be the lower boundary. - * - * The discharge curve for CR2032 is non-linear. In this model it is split into - * 4 linear sections: - * - Section 1: 3.0V - 2.9V = 100% - 42% (58% drop on 100 mV) - * - Section 2: 2.9V - 2.74V = 42% - 18% (24% drop on 160 mV) - * - Section 3: 2.74V - 2.44V = 18% - 6% (12% drop on 300 mV) - * - Section 4: 2.44V - 2.1V = 6% - 0% (6% drop on 340 mV) - * - * These numbers are by no means accurate. Temperature and - * load in the actual application is not accounted for! - * - * @param[in] mvolts The voltage in mV - * - * @return Battery level in percent. -*/ -static __INLINE uint8_t battery_level_in_percent(const uint16_t mvolts) -{ - uint8_t battery_level; - - if (mvolts >= 3000) - { - battery_level = 100; - } - else if (mvolts > 2900) - { - battery_level = 100 - ((3000 - mvolts) * 58) / 100; - } - else if (mvolts > 2740) - { - battery_level = 42 - ((2900 - mvolts) * 24) / 160; - } - else if (mvolts > 2440) - { - battery_level = 18 - ((2740 - mvolts) * 12) / 300; - } - else if (mvolts > 2100) - { - battery_level = 6 - ((2440 - mvolts) * 6) / 340; - } - else - { - battery_level = 0; - } - - return battery_level; -} - -/**@brief Function for checking if a pointer value is aligned to a 4 byte boundary. - * - * @param[in] p Pointer value to be checked. - * - * @return TRUE if pointer is aligned to a 4 byte boundary, FALSE otherwise. - */ -static __INLINE bool is_word_aligned(void * p) -{ - return (((uintptr_t)p & 0x03) == 0); -} - -#endif // APP_UTIL_H__ - -/** @} */