High level Bluetooth Low Energy API and radio abstraction layer
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Diff: uuid.cpp
- Revision:
- 27:4a83843f04b0
- Parent:
- 26:755b897a47b1
- Child:
- 28:f6022fb90701
--- a/uuid.cpp Thu Jan 09 10:44:47 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,177 +0,0 @@ -#include <stdio.h> -#include <string.h> - -#include "uuid.h" - -/**************************************************************************/ -/*! - @brief Creates an empty 128-bit UUID - - @note This UUID must be assigned a valid value via the 'update' - function before it can be safely used! -*/ -/**************************************************************************/ -UUID::UUID(void) -{ - memset(base, 0, 16); - value = 0; - type = UUID_TYPE_SHORT; -} - -/**************************************************************************/ -/*! - @brief Creates a new 128-bit UUID - - @note The UUID is a unique 128-bit (16 byte) ID used to identify - different service or characteristics on the BLE device. - - @note When creating a UUID, the constructor will check if all bytes - except bytes 2/3 are equal to 0. If only bytes 2/3 have a - value, the UUID will be treated as a short/BLE UUID, and the - .type field will be set to UUID::UUID_TYPE_SHORT. If any - of the bytes outside byte 2/3 have a non-zero value, the UUID - will be considered a 128-bit ID, and .type will be assigned - as UUID::UUID_TYPE_LONG. - - @param[in] uuid_base - The 128-bit (16-byte) UUID value. For 128-bit values, - assign all 16 bytes. For 16-bit values, assign the - 16-bits to byte 2 and 3, and leave the rest of the bytes - as 0. - - @section EXAMPLE - - @code - - // Create a short UUID (0x180F) - uint8_t shortID[16] = { 0, 0, 0x0F, 0x18, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; - UUID ble_uuid = UUID(shortID); - // ble_uuid.type = UUID_TYPE_SHORT - // ble_uuid.value = 0x180F - - // Creeate a long UUID - uint8_t longID[16] = { 0x00, 0x11, 0x22, 0x33, - 0x44, 0x55, 0x66, 0x77, - 0x88, 0x99, 0xAA, 0xBB, - 0xCC, 0xDD, 0xEE, 0xFF }; - UUID custom_uuid = UUID(longID); - // custom_uuid.type = UUID_TYPE_LONG - // custom_uuid.value = 0x3322 - // custom_uuid.base = 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF - - @endcode -*/ -/**************************************************************************/ -UUID::UUID(uint8_t const uuid_base[16]) -{ - memcpy(base, uuid_base, 16); - value = (uint16_t)((uuid_base[3] << 8) | (uuid_base[2])); - - /* Check if this is a short of a long UUID */ - if (uuid_base[0] + uuid_base[1] + - uuid_base[4] + uuid_base[5] + uuid_base[6] + uuid_base[7] + - uuid_base[8] + uuid_base[9] + uuid_base[10] + uuid_base[11] + - uuid_base[12] + uuid_base[13] + uuid_base[14] + uuid_base[15] == 0) - { - type = UUID_TYPE_SHORT; - } - else - { - type = UUID_TYPE_LONG; - } -} - -/**************************************************************************/ -/*! - @brief Creates a short (16-bit) UUID - - @param[in] ble_uuid - The 16-bit BLE UUID value. -*/ -/**************************************************************************/ -UUID::UUID(uint16_t const ble_uuid) -{ - memset(base, 0, 16); - memcpy(base+2, (uint8_t *)&ble_uuid, 2); - value = ble_uuid; - type = UUID_TYPE_SHORT; -} - -/**************************************************************************/ -/*! - @brief UUID destructor -*/ -/**************************************************************************/ -UUID::~UUID(void) -{ -} - -/**************************************************************************/ -/*! - @brief Updates the value of the UUID - - @args[in] uuid_base - The 128-bit value to use when updating the UUID. For - 16-bit IDs, insert the ID in bytes 2/3 in LSB format. - - @returns BLE_ERROR_NONE (0) if everything executed correctly, or an - error code if there was a problem - @retval BLE_ERROR_NONE - Everything executed correctly - - @section EXAMPLE - - @code - - @endcode -*/ -/**************************************************************************/ -ble_error_t UUID::update(uint8_t const uuid_base[16]) -{ - memcpy(base, uuid_base, 16); - value = (uint16_t)((uuid_base[3] << 8) | (uuid_base[2])); - - /* Check if this is a short of a long UUID */ - if (uuid_base[0] + uuid_base[1] + - uuid_base[4] + uuid_base[5] + uuid_base[6] + uuid_base[7] + - uuid_base[8] + uuid_base[9] + uuid_base[10] + uuid_base[11] + - uuid_base[12] + uuid_base[13] + uuid_base[14] + uuid_base[15] == 0) - { - type = UUID_TYPE_SHORT; - } - else - { - type = UUID_TYPE_LONG; - } - - return BLE_ERROR_NONE; -} - -/**************************************************************************/ -/*! - @brief Updates the value of the UUID - - @args[in] ble_uuid - The 16-bit value to use when updating the UUID. - - @returns BLE_ERROR_NONE (0) if everything executed correctly, or an - error code if there was a problem - @retval BLE_ERROR_NONE - Everything executed correctly - - @section EXAMPLE - - @code - - @endcode -*/ -/**************************************************************************/ -ble_error_t UUID::update(uint16_t const ble_uuid) -{ - memset(base, 0, 16); - memcpy(base+2, (uint8_t *)&ble_uuid, 2); - value = ble_uuid; - type = UUID_TYPE_SHORT; - - return BLE_ERROR_NONE; -}