/* 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_BDS_H__ #define APP_UTIL_BDS_H__ #include #include #include #include "compiler_abstraction.h" #include "app_util.h" #include "ble_srv_common.h" #include "nordic_common.h" typedef uint8_t nibble_t; typedef uint32_t uint24_t; typedef uint64_t uint40_t; /**@brief IEEE 11073-20601 Regulatory Certification Data List Structure */ typedef struct { uint8_t * p_list; /**< Pointer the byte array containing the encoded opaque structure based on IEEE 11073-20601 specification. */ uint8_t list_len; /**< Length of the byte array. */ } regcertdatalist_t; /**@brief SFLOAT format (IEEE-11073 16-bit FLOAT, meaning 4 bits for exponent (base 10) and 12 bits mantissa) */ typedef struct { int8_t exponent; /**< Base 10 exponent, should be using only 4 bits */ int16_t mantissa; /**< Mantissa, should be using only 12 bits */ } sfloat_t; /**@brief Date and Time structure. */ typedef struct { uint16_t year; uint8_t month; uint8_t day; uint8_t hours; uint8_t minutes; uint8_t seconds; } ble_date_time_t; /**@brief Function for encoding a uint16 value. * * @param[in] p_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 bds_uint16_encode(const uint16_t * p_value, uint8_t * p_encoded_data) { p_encoded_data[0] = (uint8_t) ((*p_value & 0x00FF) >> 0); p_encoded_data[1] = (uint8_t) ((*p_value & 0xFF00) >> 8); return sizeof(uint16_t); } static __INLINE uint8_t bds_int16_encode(const int16_t * p_value, uint8_t * p_encoded_data) { uint16_t tmp = *p_value; return bds_uint16_encode(&tmp, p_encoded_data); } /**@brief Function for encoding a uint24 value. * * @param[in] p_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 bds_uint24_encode(const uint32_t * p_value, uint8_t * p_encoded_data) { p_encoded_data[0] = (uint8_t) ((*p_value & 0x000000FF) >> 0); p_encoded_data[1] = (uint8_t) ((*p_value & 0x0000FF00) >> 8); p_encoded_data[2] = (uint8_t) ((*p_value & 0x00FF0000) >> 16); return (3); } /**@brief Function for encoding a uint32 value. * * @param[in] p_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 bds_uint32_encode(const uint32_t * p_value, uint8_t * p_encoded_data) { p_encoded_data[0] = (uint8_t) ((*p_value & 0x000000FF) >> 0); p_encoded_data[1] = (uint8_t) ((*p_value & 0x0000FF00) >> 8); p_encoded_data[2] = (uint8_t) ((*p_value & 0x00FF0000) >> 16); p_encoded_data[3] = (uint8_t) ((*p_value & 0xFF000000) >> 24); return sizeof(uint32_t); } /**@brief Function for encoding a uint40 value. * * @param[in] p_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 bds_uint40_encode(const uint64_t * p_value, uint8_t * p_encoded_data) { p_encoded_data[0] = (uint8_t) ((*p_value & 0x00000000000000FF) >> 0); p_encoded_data[1] = (uint8_t) ((*p_value & 0x000000000000FF00) >> 8); p_encoded_data[2] = (uint8_t) ((*p_value & 0x0000000000FF0000) >> 16); p_encoded_data[3] = (uint8_t) ((*p_value & 0x00000000FF000000) >> 24); p_encoded_data[4] = (uint8_t) ((*p_value & 0x000000FF00000000) >> 32); return 5; } /**@brief Function for encoding a sfloat value. * * @param[in] p_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 bds_sfloat_encode(const sfloat_t * p_value, uint8_t * p_encoded_data) { uint16_t encoded_val; encoded_val = ((p_value->exponent << 12) & 0xF000) | ((p_value->mantissa << 0) & 0x0FFF); return(bds_uint16_encode(&encoded_val, p_encoded_data)); } /**@brief Function for encoding a uint8_array value. * * @param[in] p_value Value to be encoded. * @param[out] p_encoded_data Buffer where the encoded data is to be written. */ static __INLINE uint8_t bds_uint8_array_encode(const uint8_array_t * p_value, uint8_t * p_encoded_data) { memcpy(p_encoded_data, p_value->p_data, p_value->size); return p_value->size; } /**@brief Function for encoding a utf8_str value. * * @param[in] p_value Value to be encoded. * @param[out] p_encoded_data Buffer where the encoded data is to be written. */ static __INLINE uint8_t bds_ble_srv_utf8_str_encode(const ble_srv_utf8_str_t * p_value, uint8_t * p_encoded_data) { memcpy(p_encoded_data, p_value->p_str, p_value->length); return p_value->length; } /**@brief Function for encoding a regcertdatalist value. * * @param[in] p_value Value to be encoded. * @param[out] p_encoded_data Buffer where the encoded data is to be written. */ static __INLINE uint8_t bds_regcertdatalist_encode(const regcertdatalist_t * p_value, uint8_t * p_encoded_data) { memcpy(p_encoded_data, p_value->p_list, p_value->list_len); return p_value->list_len; } /**@brief Function for decoding a date_time value. * * @param[in] p_date_time pointer to the date_time structure to encode. * @param[in] p_encoded_data pointer to the encoded data * @return length of the encoded field. */ static __INLINE uint8_t bds_ble_date_time_encode(const ble_date_time_t * p_date_time, uint8_t * p_encoded_data) { uint8_t len = bds_uint16_encode(&p_date_time->year, &p_encoded_data[0]); p_encoded_data[len++] = p_date_time->month; p_encoded_data[len++] = p_date_time->day; p_encoded_data[len++] = p_date_time->hours; p_encoded_data[len++] = p_date_time->minutes; p_encoded_data[len++] = p_date_time->seconds; return len; } /**@brief Function for decoding a uint16 value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * @return length of the decoded field. */ static __INLINE uint8_t bds_uint16_decode(const uint8_t len, const uint8_t * p_encoded_data, uint16_t * p_decoded_val) { UNUSED_VARIABLE(len); *p_decoded_val = (((uint16_t)((uint8_t *)p_encoded_data)[0])) | (((uint16_t)((uint8_t *)p_encoded_data)[1]) << 8 ); return (sizeof(uint16_t)); } /**@brief Function for decoding a int16 value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * @return length of the decoded field. */ static __INLINE uint8_t bds_int16_decode(const uint8_t len, const uint8_t * p_encoded_data, int16_t * p_decoded_val) { UNUSED_VARIABLE(len); uint16_t tmp = 0; uint8_t retval = bds_uint16_decode(len, p_encoded_data, &tmp); *p_decoded_val = (int16_t)tmp; return retval; } /**@brief Function for decoding a uint24 value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_uint24_decode(const uint8_t len, const uint8_t * p_encoded_data, uint32_t * p_decoded_val) { UNUSED_VARIABLE(len); *p_decoded_val = (((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); return (3); } /**@brief Function for decoding a uint32 value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_uint32_decode(const uint8_t len, const uint8_t * p_encoded_data, uint32_t * p_decoded_val) { UNUSED_VARIABLE(len); *p_decoded_val = (((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 ); return (sizeof(uint32_t)); } /**@brief Function for decoding a uint40 value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_uint40_decode(const uint8_t len, const uint8_t * p_encoded_data, uint64_t * p_decoded_val) { UNUSED_VARIABLE(len); *p_decoded_val = (((uint64_t)((uint8_t *)p_encoded_data)[0]) << 0) | (((uint64_t)((uint8_t *)p_encoded_data)[1]) << 8) | (((uint64_t)((uint8_t *)p_encoded_data)[2]) << 16) | (((uint64_t)((uint8_t *)p_encoded_data)[3]) << 24 )| (((uint64_t)((uint8_t *)p_encoded_data)[4]) << 32 ); return (40); } /**@brief Function for decoding a sfloat value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_sfloat_decode(const uint8_t len, const uint8_t * p_encoded_data, sfloat_t * p_decoded_val) { p_decoded_val->exponent = 0; bds_uint16_decode(len, p_encoded_data, (uint16_t*)&p_decoded_val->mantissa); p_decoded_val->exponent = (uint8_t)((p_decoded_val->mantissa & 0xF000) >> 12); p_decoded_val->mantissa &= 0x0FFF; return len; } /**@brief Function for decoding a uint8_array value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_uint8_array_decode(const uint8_t len, const uint8_t * p_encoded_data, uint8_array_t * p_decoded_val) { memcpy(p_decoded_val->p_data, p_encoded_data, len); p_decoded_val->size = len; return p_decoded_val->size; } /**@brief Function for decoding a utf8_str value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_ble_srv_utf8_str_decode(const uint8_t len, const uint8_t * p_encoded_data, ble_srv_utf8_str_t * p_decoded_val) { p_decoded_val->p_str = (uint8_t*)p_encoded_data; p_decoded_val->length = len; return p_decoded_val->length; } /**@brief Function for decoding a regcertdatalist value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_decoded_val pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_regcertdatalist_decode(const uint8_t len, const uint8_t * p_encoded_data, regcertdatalist_t * p_decoded_val) { memcpy(p_decoded_val->p_list, p_encoded_data, len); p_decoded_val->list_len = len; return p_decoded_val->list_len; } /**@brief Function for decoding a date_time value. * * @param[in] len length of the field to be decoded. * @param[in] p_encoded_data Buffer where the encoded data is stored. * @param[in] p_date_time pointer to the decoded value * * @return length of the decoded field. */ static __INLINE uint8_t bds_ble_date_time_decode(const uint8_t len, const uint8_t * p_encoded_data, ble_date_time_t * p_date_time) { UNUSED_VARIABLE(len); uint8_t pos = bds_uint16_decode(len, &p_encoded_data[0], &p_date_time->year); p_date_time->month = p_encoded_data[pos++]; p_date_time->day = p_encoded_data[pos++]; p_date_time->hours = p_encoded_data[pos++]; p_date_time->minutes = p_encoded_data[pos++]; p_date_time->seconds = p_encoded_data[pos++]; return pos; } #endif // APP_UTIL_BDS_H__ /** @} */