https://developer.mbed.org/users/TheoHavercroft/code/nrf51-sdk/
Fork of nRF51822 by
source/btle/custom/custom_helper.cpp@456:da0323feba9b, 2015-11-02 (annotated)
- Committer:
- rgrover1
- Date:
- Mon Nov 02 09:05:10 2015 +0000
- Revision:
- 456:da0323feba9b
- Parent:
- 387:b13ab9a7ddb9
- Child:
- 506:aab595b22981
Synchronized with git rev 97a65815
Author: Andres Amaya Garcia
Introduced changes for memory savings
Moved GattSecurityManager and GattClient to be allocated dynamically and
reduced the size of some arrays to increase memory savings.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Rohit Grover |
22:c6ee8136847e | 1 | /* mbed Microcontroller Library |
Rohit Grover |
22:c6ee8136847e | 2 | * Copyright (c) 2006-2013 ARM Limited |
Rohit Grover |
22:c6ee8136847e | 3 | * |
Rohit Grover |
22:c6ee8136847e | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Rohit Grover |
22:c6ee8136847e | 5 | * you may not use this file except in compliance with the License. |
Rohit Grover |
22:c6ee8136847e | 6 | * You may obtain a copy of the License at |
Rohit Grover |
22:c6ee8136847e | 7 | * |
Rohit Grover |
22:c6ee8136847e | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
Rohit Grover |
22:c6ee8136847e | 9 | * |
Rohit Grover |
22:c6ee8136847e | 10 | * Unless required by applicable law or agreed to in writing, software |
Rohit Grover |
22:c6ee8136847e | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
Rohit Grover |
22:c6ee8136847e | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Rohit Grover |
22:c6ee8136847e | 13 | * See the License for the specific language governing permissions and |
Rohit Grover |
22:c6ee8136847e | 14 | * limitations under the License. |
Rohit Grover |
22:c6ee8136847e | 15 | */ |
Rohit Grover |
22:c6ee8136847e | 16 | |
Rohit Grover |
22:c6ee8136847e | 17 | #include "custom_helper.h" |
Rohit Grover |
22:c6ee8136847e | 18 | |
Rohit Grover |
22:c6ee8136847e | 19 | /* |
Rohit Grover |
22:c6ee8136847e | 20 | * The current version of the soft-device doesn't handle duplicate 128-bit UUIDs |
Rohit Grover |
22:c6ee8136847e | 21 | * very well. It is therefore necessary to filter away duplicates before |
Rohit Grover |
22:c6ee8136847e | 22 | * passing long UUIDs to sd_ble_uuid_vs_add(). The following types and data |
Rohit Grover |
22:c6ee8136847e | 23 | * structures involved in maintaining a local cache of 128-bit UUIDs. |
Rohit Grover |
22:c6ee8136847e | 24 | */ |
Rohit Grover |
22:c6ee8136847e | 25 | typedef struct { |
rgrover1 | 285:55ac765bcc8d | 26 | UUID::LongUUIDBytes_t uuid; |
Rohit Grover |
56:a1071b629aa3 | 27 | uint8_t type; |
Rohit Grover |
22:c6ee8136847e | 28 | } converted_uuid_table_entry_t; |
rgrover1 | 456:da0323feba9b | 29 | static const unsigned UUID_TABLE_MAX_ENTRIES = 4; /* This is the maximum number of 128-bit UUIDs with distinct bases that |
Rohit Grover |
66:b3680699d9a4 | 30 | * we expect to be in use; increase this limit if needed. */ |
Rohit Grover |
22:c6ee8136847e | 31 | static unsigned uuidTableEntries = 0; /* current usage of the table */ |
Rohit Grover |
22:c6ee8136847e | 32 | converted_uuid_table_entry_t convertedUUIDTable[UUID_TABLE_MAX_ENTRIES]; |
Rohit Grover |
22:c6ee8136847e | 33 | |
Rohit Grover |
22:c6ee8136847e | 34 | /** |
Rohit Grover |
22:c6ee8136847e | 35 | * lookup the cache of previously converted 128-bit UUIDs to find a type value. |
Rohit Grover |
66:b3680699d9a4 | 36 | * @param uuid base 128-bit UUID |
Rohit Grover |
22:c6ee8136847e | 37 | * @param recoveredType the type field of the 3-byte nRF's uuid. |
Rohit Grover |
22:c6ee8136847e | 38 | * @return true if a match is found. |
Rohit Grover |
22:c6ee8136847e | 39 | */ |
Rohit Grover |
22:c6ee8136847e | 40 | static bool |
rgrover1 | 285:55ac765bcc8d | 41 | lookupConvertedUUIDTable(const UUID::LongUUIDBytes_t uuid, uint8_t *recoveredType) |
Rohit Grover |
22:c6ee8136847e | 42 | { |
Rohit Grover |
22:c6ee8136847e | 43 | unsigned i; |
Rohit Grover |
22:c6ee8136847e | 44 | for (i = 0; i < uuidTableEntries; i++) { |
rgrover1 | 97:e95e35845e1c | 45 | unsigned byteIndex; |
rgrover1 | 285:55ac765bcc8d | 46 | for (byteIndex = 0; byteIndex < UUID::LENGTH_OF_LONG_UUID; byteIndex++) { |
rgrover1 | 97:e95e35845e1c | 47 | /* Skip bytes 2 and 3, because they contain the shortUUID (16-bit) version of the |
rgrover1 | 97:e95e35845e1c | 48 | * long UUID; and we're comparing against the remainder. */ |
rgrover1 | 97:e95e35845e1c | 49 | if ((byteIndex == 2) || (byteIndex == 3)) { |
rgrover1 | 97:e95e35845e1c | 50 | continue; |
rgrover1 | 97:e95e35845e1c | 51 | } |
rgrover1 | 97:e95e35845e1c | 52 | |
rgrover1 | 97:e95e35845e1c | 53 | if (convertedUUIDTable[i].uuid[byteIndex] != uuid[byteIndex]) { |
rgrover1 | 97:e95e35845e1c | 54 | break; |
rgrover1 | 97:e95e35845e1c | 55 | } |
rgrover1 | 97:e95e35845e1c | 56 | } |
rgrover1 | 97:e95e35845e1c | 57 | |
rgrover1 | 285:55ac765bcc8d | 58 | if (byteIndex == UUID::LENGTH_OF_LONG_UUID) { |
Rohit Grover |
22:c6ee8136847e | 59 | *recoveredType = convertedUUIDTable[i].type; |
Rohit Grover |
22:c6ee8136847e | 60 | return true; |
Rohit Grover |
22:c6ee8136847e | 61 | } |
Rohit Grover |
22:c6ee8136847e | 62 | } |
Rohit Grover |
22:c6ee8136847e | 63 | |
Rohit Grover |
22:c6ee8136847e | 64 | return false; |
Rohit Grover |
22:c6ee8136847e | 65 | } |
Rohit Grover |
22:c6ee8136847e | 66 | |
Rohit Grover |
22:c6ee8136847e | 67 | static void |
rgrover1 | 285:55ac765bcc8d | 68 | addToConvertedUUIDTable(const UUID::LongUUIDBytes_t uuid, uint8_t type) |
Rohit Grover |
22:c6ee8136847e | 69 | { |
Rohit Grover |
22:c6ee8136847e | 70 | if (uuidTableEntries == UUID_TABLE_MAX_ENTRIES) { |
Rohit Grover |
66:b3680699d9a4 | 71 | return; /* recovery needed; or at least the user should be warned about this fact.*/ |
Rohit Grover |
22:c6ee8136847e | 72 | } |
Rohit Grover |
22:c6ee8136847e | 73 | |
rgrover1 | 285:55ac765bcc8d | 74 | memcpy(convertedUUIDTable[uuidTableEntries].uuid, uuid, UUID::LENGTH_OF_LONG_UUID); |
rgrover1 | 97:e95e35845e1c | 75 | convertedUUIDTable[uuidTableEntries].uuid[2] = 0; |
rgrover1 | 97:e95e35845e1c | 76 | convertedUUIDTable[uuidTableEntries].uuid[3] = 0; |
rgrover1 | 97:e95e35845e1c | 77 | convertedUUIDTable[uuidTableEntries].type = type; |
Rohit Grover |
22:c6ee8136847e | 78 | uuidTableEntries++; |
Rohit Grover |
22:c6ee8136847e | 79 | } |
Rohit Grover |
22:c6ee8136847e | 80 | |
Rohit Grover |
22:c6ee8136847e | 81 | /** |
Rohit Grover |
22:c6ee8136847e | 82 | * The nRF transport has its own 3-byte representation of a UUID. If the user- |
Rohit Grover |
22:c6ee8136847e | 83 | * specified UUID is 128-bits wide, then the UUID base needs to be added to the |
Rohit Grover |
22:c6ee8136847e | 84 | * soft-device and converted to a 3-byte handle before being used further. This |
Rohit Grover |
22:c6ee8136847e | 85 | * function is responsible for this translation of user-specified UUIDs into |
Rohit Grover |
22:c6ee8136847e | 86 | * nRF's representation. |
Rohit Grover |
22:c6ee8136847e | 87 | * |
Rohit Grover |
22:c6ee8136847e | 88 | * @param[in] uuid |
Rohit Grover |
22:c6ee8136847e | 89 | * user-specified UUID |
Rohit Grover |
22:c6ee8136847e | 90 | * @return nRF |
Rohit Grover |
22:c6ee8136847e | 91 | * 3-byte UUID (containing a type and 16-bit UUID) representation |
Rohit Grover |
22:c6ee8136847e | 92 | * to be used with SVC calls. |
Rohit Grover |
22:c6ee8136847e | 93 | */ |
Rohit Grover |
22:c6ee8136847e | 94 | ble_uuid_t custom_convert_to_nordic_uuid(const UUID &uuid) |
Rohit Grover |
22:c6ee8136847e | 95 | { |
rgrover1 | 109:425faebc8201 | 96 | ble_uuid_t nordicUUID; |
rgrover1 | 109:425faebc8201 | 97 | nordicUUID.uuid = uuid.getShortUUID(); |
rgrover1 | 109:425faebc8201 | 98 | nordicUUID.type = BLE_UUID_TYPE_UNKNOWN; /* to be set below */ |
Rohit Grover |
22:c6ee8136847e | 99 | |
Rohit Grover |
22:c6ee8136847e | 100 | if (uuid.shortOrLong() == UUID::UUID_TYPE_SHORT) { |
Rohit Grover |
22:c6ee8136847e | 101 | nordicUUID.type = BLE_UUID_TYPE_BLE; |
Rohit Grover |
22:c6ee8136847e | 102 | } else { |
Rohit Grover |
22:c6ee8136847e | 103 | if (!lookupConvertedUUIDTable(uuid.getBaseUUID(), &nordicUUID.type)) { |
Rohit Grover |
22:c6ee8136847e | 104 | nordicUUID.type = custom_add_uuid_base(uuid.getBaseUUID()); |
Rohit Grover |
22:c6ee8136847e | 105 | addToConvertedUUIDTable(uuid.getBaseUUID(), nordicUUID.type); |
Rohit Grover |
22:c6ee8136847e | 106 | } |
Rohit Grover |
22:c6ee8136847e | 107 | } |
Rohit Grover |
22:c6ee8136847e | 108 | |
Rohit Grover |
22:c6ee8136847e | 109 | return nordicUUID; |
Rohit Grover |
22:c6ee8136847e | 110 | } |
Rohit Grover |
22:c6ee8136847e | 111 | |
Rohit Grover |
22:c6ee8136847e | 112 | /**************************************************************************/ |
Rohit Grover |
22:c6ee8136847e | 113 | /*! |
Rohit Grover |
22:c6ee8136847e | 114 | @brief Adds the base UUID to the custom service. All UUIDs used |
Rohit Grover |
22:c6ee8136847e | 115 | by this service are based on this 128-bit UUID. |
Rohit Grover |
22:c6ee8136847e | 116 | |
Rohit Grover |
22:c6ee8136847e | 117 | @note This UUID needs to be added to the SoftDevice stack before |
Rohit Grover |
22:c6ee8136847e | 118 | adding the service's primary service via |
Rohit Grover |
22:c6ee8136847e | 119 | 'sd_ble_gatts_service_add' |
Rohit Grover |
22:c6ee8136847e | 120 | |
Rohit Grover |
22:c6ee8136847e | 121 | @param[in] p_uuid_base A pointer to the 128-bit UUID array (8*16) |
Rohit Grover |
22:c6ee8136847e | 122 | |
Rohit Grover |
22:c6ee8136847e | 123 | @returns The UUID type. |
Rohit Grover |
22:c6ee8136847e | 124 | A return value of 0 should be considered an error. |
Rohit Grover |
22:c6ee8136847e | 125 | |
Rohit Grover |
22:c6ee8136847e | 126 | @retval 0x00 BLE_UUID_TYPE_UNKNOWN |
Rohit Grover |
22:c6ee8136847e | 127 | @retval 0x01 BLE_UUID_TYPE_BLE |
Rohit Grover |
22:c6ee8136847e | 128 | @retval 0x02 BLE_UUID_TYPE_VENDOR_BEGIN |
Rohit Grover |
22:c6ee8136847e | 129 | |
Rohit Grover |
22:c6ee8136847e | 130 | @section EXAMPLE |
Rohit Grover |
22:c6ee8136847e | 131 | @code |
Rohit Grover |
22:c6ee8136847e | 132 | |
Rohit Grover |
22:c6ee8136847e | 133 | // Take note that bytes 2/3 are blank since these are used to identify |
Rohit Grover |
22:c6ee8136847e | 134 | // the primary service and individual characteristics |
Rohit Grover |
22:c6ee8136847e | 135 | #define CFG_CUSTOM_UUID_BASE "\x6E\x40\x00\x00\xB5\xA3\xF3\x93\xE0\xA9\xE5\x0E\x24\xDC\xCA\x9E" |
Rohit Grover |
22:c6ee8136847e | 136 | |
Rohit Grover |
22:c6ee8136847e | 137 | uint8_t uuid_type = custom_add_uuid_base(CFG_CUSTOM_UUID_BASE); |
Rohit Grover |
22:c6ee8136847e | 138 | ASSERT(uuid_type > 0, ERROR_NOT_FOUND); |
Rohit Grover |
22:c6ee8136847e | 139 | |
Rohit Grover |
22:c6ee8136847e | 140 | // We can now safely add the primary service and any characteristics |
Rohit Grover |
22:c6ee8136847e | 141 | // for our custom service ... |
Rohit Grover |
22:c6ee8136847e | 142 | |
Rohit Grover |
22:c6ee8136847e | 143 | @endcode |
Rohit Grover |
22:c6ee8136847e | 144 | */ |
Rohit Grover |
22:c6ee8136847e | 145 | /**************************************************************************/ |
Rohit Grover |
22:c6ee8136847e | 146 | uint8_t custom_add_uuid_base(uint8_t const *const p_uuid_base) |
Rohit Grover |
22:c6ee8136847e | 147 | { |
Rohit Grover |
22:c6ee8136847e | 148 | ble_uuid128_t base_uuid; |
Rohit Grover |
22:c6ee8136847e | 149 | uint8_t uuid_type = 0; |
Rohit Grover |
22:c6ee8136847e | 150 | |
Rohit Grover |
22:c6ee8136847e | 151 | /* Reverse the bytes since ble_uuid128_t is LSB */ |
rgrover1 | 285:55ac765bcc8d | 152 | for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { |
rgrover1 | 285:55ac765bcc8d | 153 | base_uuid.uuid128[i] = p_uuid_base[UUID::LENGTH_OF_LONG_UUID - 1 - i]; |
Rohit Grover |
22:c6ee8136847e | 154 | } |
Rohit Grover |
22:c6ee8136847e | 155 | |
Rohit Grover |
22:c6ee8136847e | 156 | ASSERT_INT( ERROR_NONE, sd_ble_uuid_vs_add( &base_uuid, &uuid_type ), 0); |
Rohit Grover |
22:c6ee8136847e | 157 | |
Rohit Grover |
22:c6ee8136847e | 158 | return uuid_type; |
Rohit Grover |
22:c6ee8136847e | 159 | } |
Rohit Grover |
22:c6ee8136847e | 160 | |
Rohit Grover |
22:c6ee8136847e | 161 | /**************************************************************************/ |
Rohit Grover |
22:c6ee8136847e | 162 | /*! |
Rohit Grover |
22:c6ee8136847e | 163 | |
Rohit Grover |
22:c6ee8136847e | 164 | */ |
Rohit Grover |
22:c6ee8136847e | 165 | /**************************************************************************/ |
Rohit Grover |
22:c6ee8136847e | 166 | error_t custom_decode_uuid_base(uint8_t const *const p_uuid_base, |
Rohit Grover |
22:c6ee8136847e | 167 | ble_uuid_t *p_uuid) |
Rohit Grover |
22:c6ee8136847e | 168 | { |
rgrover1 | 285:55ac765bcc8d | 169 | UUID::LongUUIDBytes_t uuid_base_le; |
Rohit Grover |
22:c6ee8136847e | 170 | |
Rohit Grover |
22:c6ee8136847e | 171 | /* Reverse the bytes since ble_uuid128_t is LSB */ |
rgrover1 | 285:55ac765bcc8d | 172 | for (uint8_t i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { |
rgrover1 | 285:55ac765bcc8d | 173 | uuid_base_le[i] = p_uuid_base[UUID::LENGTH_OF_LONG_UUID - 1 - i]; |
Rohit Grover |
22:c6ee8136847e | 174 | } |
Rohit Grover |
22:c6ee8136847e | 175 | |
rgrover1 | 285:55ac765bcc8d | 176 | ASSERT_STATUS( sd_ble_uuid_decode(UUID::LENGTH_OF_LONG_UUID, uuid_base_le, p_uuid)); |
Rohit Grover |
22:c6ee8136847e | 177 | |
Rohit Grover |
22:c6ee8136847e | 178 | return ERROR_NONE; |
Rohit Grover |
22:c6ee8136847e | 179 | } |
Rohit Grover |
22:c6ee8136847e | 180 | |
Rohit Grover |
22:c6ee8136847e | 181 | /**************************************************************************/ |
Rohit Grover |
22:c6ee8136847e | 182 | /*! |
Rohit Grover |
22:c6ee8136847e | 183 | @brief Adds a new characteristic to the custom service, assigning |
Rohit Grover |
22:c6ee8136847e | 184 | properties, a UUID add-on value, etc. |
Rohit Grover |
22:c6ee8136847e | 185 | |
Rohit Grover |
22:c6ee8136847e | 186 | @param[in] service_handle |
Rohit Grover |
22:c6ee8136847e | 187 | @param[in] p_uuid The 16-bit value to add to the base UUID |
Rohit Grover |
22:c6ee8136847e | 188 | for this characteristic (normally >1 |
Rohit Grover |
22:c6ee8136847e | 189 | since 1 is typically used by the primary |
Rohit Grover |
22:c6ee8136847e | 190 | service). |
Rohit Grover |
22:c6ee8136847e | 191 | @param[in] char_props The characteristic properties, as |
Rohit Grover |
22:c6ee8136847e | 192 | defined by ble_gatt_char_props_t |
Rohit Grover |
22:c6ee8136847e | 193 | @param[in] max_length The maximum length of this characeristic |
rgrover1 | 126:e6114201f092 | 194 | @param[out] p_char_handle |
Rohit Grover |
22:c6ee8136847e | 195 | |
Rohit Grover |
22:c6ee8136847e | 196 | @returns |
Rohit Grover |
22:c6ee8136847e | 197 | @retval ERROR_NONE Everything executed normally |
Rohit Grover |
22:c6ee8136847e | 198 | */ |
Rohit Grover |
22:c6ee8136847e | 199 | /**************************************************************************/ |
rgrover1 | 156:8e97c41fd7ab | 200 | error_t custom_add_in_characteristic(uint16_t service_handle, |
rgrover1 | 156:8e97c41fd7ab | 201 | ble_uuid_t *p_uuid, |
rgrover1 | 156:8e97c41fd7ab | 202 | uint8_t properties, |
rgrover1 | 371:8f7d2137727a | 203 | SecurityManager::SecurityMode_t requiredSecurity, |
rgrover1 | 156:8e97c41fd7ab | 204 | uint8_t *p_data, |
rgrover1 | 156:8e97c41fd7ab | 205 | uint16_t min_length, |
rgrover1 | 156:8e97c41fd7ab | 206 | uint16_t max_length, |
rgrover1 | 156:8e97c41fd7ab | 207 | const uint8_t *userDescriptionDescriptorValuePtr, |
rgrover1 | 156:8e97c41fd7ab | 208 | uint16_t userDescriptionDescriptorValueLen, |
rgrover1 | 156:8e97c41fd7ab | 209 | bool readAuthorization, |
rgrover1 | 156:8e97c41fd7ab | 210 | bool writeAuthorization, |
rgrover1 | 156:8e97c41fd7ab | 211 | ble_gatts_char_handles_t *p_char_handle) |
Rohit Grover |
22:c6ee8136847e | 212 | { |
Rohit Grover |
22:c6ee8136847e | 213 | /* Characteristic metadata */ |
Rohit Grover |
22:c6ee8136847e | 214 | ble_gatts_attr_md_t cccd_md; |
Rohit Grover |
22:c6ee8136847e | 215 | ble_gatt_char_props_t char_props; |
Rohit Grover |
22:c6ee8136847e | 216 | |
Rohit Grover |
22:c6ee8136847e | 217 | memcpy(&char_props, &properties, 1); |
Rohit Grover |
22:c6ee8136847e | 218 | |
Rohit Grover |
22:c6ee8136847e | 219 | if (char_props.notify || char_props.indicate) { |
Rohit Grover |
22:c6ee8136847e | 220 | /* Notification requires cccd */ |
Rohit Grover |
22:c6ee8136847e | 221 | memclr_( &cccd_md, sizeof(ble_gatts_attr_md_t)); |
Rohit Grover |
22:c6ee8136847e | 222 | cccd_md.vloc = BLE_GATTS_VLOC_STACK; |
Rohit Grover |
22:c6ee8136847e | 223 | BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm); |
Rohit Grover |
22:c6ee8136847e | 224 | BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm); |
Rohit Grover |
22:c6ee8136847e | 225 | } |
Rohit Grover |
22:c6ee8136847e | 226 | |
Rohit Grover |
22:c6ee8136847e | 227 | ble_gatts_char_md_t char_md = {0}; |
Rohit Grover |
22:c6ee8136847e | 228 | |
Rohit Grover |
22:c6ee8136847e | 229 | char_md.char_props = char_props; |
Rohit Grover |
22:c6ee8136847e | 230 | char_md.p_cccd_md = |
Rohit Grover |
22:c6ee8136847e | 231 | (char_props.notify || char_props.indicate) ? &cccd_md : NULL; |
rgrover1 | 119:3ba3e377b972 | 232 | if ((userDescriptionDescriptorValueLen > 0) && (userDescriptionDescriptorValuePtr != NULL)) { |
rgrover1 | 119:3ba3e377b972 | 233 | char_md.p_char_user_desc = const_cast<uint8_t *>(userDescriptionDescriptorValuePtr); |
rgrover1 | 119:3ba3e377b972 | 234 | char_md.char_user_desc_max_size = userDescriptionDescriptorValueLen; |
rgrover1 | 119:3ba3e377b972 | 235 | char_md.char_user_desc_size = userDescriptionDescriptorValueLen; |
rgrover1 | 119:3ba3e377b972 | 236 | } |
Rohit Grover |
22:c6ee8136847e | 237 | |
Rohit Grover |
22:c6ee8136847e | 238 | /* Attribute declaration */ |
rgrover1 | 84:658e5ec772a1 | 239 | ble_gatts_attr_md_t attr_md = {0}; |
rgrover1 | 84:658e5ec772a1 | 240 | |
rgrover1 | 84:658e5ec772a1 | 241 | attr_md.rd_auth = readAuthorization; |
rgrover1 | 84:658e5ec772a1 | 242 | attr_md.wr_auth = writeAuthorization; |
Rohit Grover |
22:c6ee8136847e | 243 | |
Rohit Grover |
22:c6ee8136847e | 244 | attr_md.vloc = BLE_GATTS_VLOC_STACK; |
Rohit Grover |
22:c6ee8136847e | 245 | attr_md.vlen = (min_length == max_length) ? 0 : 1; |
Rohit Grover |
22:c6ee8136847e | 246 | |
Rohit Grover |
22:c6ee8136847e | 247 | if (char_props.read || char_props.notify || char_props.indicate) { |
rgrover1 | 131:b21411170d00 | 248 | switch (requiredSecurity) { |
rgrover1 | 371:8f7d2137727a | 249 | case SecurityManager::SECURITY_MODE_ENCRYPTION_OPEN_LINK : |
rgrover1 | 131:b21411170d00 | 250 | BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm); |
rgrover1 | 131:b21411170d00 | 251 | break; |
rgrover1 | 371:8f7d2137727a | 252 | case SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM : |
rgrover1 | 131:b21411170d00 | 253 | BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&attr_md.read_perm); |
rgrover1 | 131:b21411170d00 | 254 | break; |
rgrover1 | 371:8f7d2137727a | 255 | case SecurityManager::SECURITY_MODE_ENCRYPTION_WITH_MITM : |
rgrover1 | 131:b21411170d00 | 256 | BLE_GAP_CONN_SEC_MODE_SET_ENC_WITH_MITM(&attr_md.read_perm); |
rgrover1 | 131:b21411170d00 | 257 | break; |
rgrover1 | 371:8f7d2137727a | 258 | case SecurityManager::SECURITY_MODE_SIGNED_NO_MITM : |
rgrover1 | 131:b21411170d00 | 259 | BLE_GAP_CONN_SEC_MODE_SET_SIGNED_NO_MITM(&attr_md.read_perm); |
rgrover1 | 131:b21411170d00 | 260 | break; |
rgrover1 | 371:8f7d2137727a | 261 | case SecurityManager::SECURITY_MODE_SIGNED_WITH_MITM : |
rgrover1 | 131:b21411170d00 | 262 | BLE_GAP_CONN_SEC_MODE_SET_SIGNED_WITH_MITM(&attr_md.read_perm); |
rgrover1 | 131:b21411170d00 | 263 | break; |
rgrover1 | 157:0fa76927dcfe | 264 | default: |
rgrover1 | 157:0fa76927dcfe | 265 | break; |
rgrover1 | 131:b21411170d00 | 266 | }; |
Rohit Grover |
22:c6ee8136847e | 267 | } |
Rohit Grover |
22:c6ee8136847e | 268 | |
marcuschang | 85:17fe69405098 | 269 | if (char_props.write || char_props.write_wo_resp) { |
rgrover1 | 131:b21411170d00 | 270 | switch (requiredSecurity) { |
rgrover1 | 371:8f7d2137727a | 271 | case SecurityManager::SECURITY_MODE_ENCRYPTION_OPEN_LINK : |
rgrover1 | 131:b21411170d00 | 272 | BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm); |
rgrover1 | 131:b21411170d00 | 273 | break; |
rgrover1 | 371:8f7d2137727a | 274 | case SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM : |
rgrover1 | 131:b21411170d00 | 275 | BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&attr_md.write_perm); |
rgrover1 | 131:b21411170d00 | 276 | break; |
rgrover1 | 371:8f7d2137727a | 277 | case SecurityManager::SECURITY_MODE_ENCRYPTION_WITH_MITM : |
rgrover1 | 131:b21411170d00 | 278 | BLE_GAP_CONN_SEC_MODE_SET_ENC_WITH_MITM(&attr_md.write_perm); |
rgrover1 | 131:b21411170d00 | 279 | break; |
rgrover1 | 371:8f7d2137727a | 280 | case SecurityManager::SECURITY_MODE_SIGNED_NO_MITM : |
rgrover1 | 131:b21411170d00 | 281 | BLE_GAP_CONN_SEC_MODE_SET_SIGNED_NO_MITM(&attr_md.write_perm); |
rgrover1 | 131:b21411170d00 | 282 | break; |
rgrover1 | 371:8f7d2137727a | 283 | case SecurityManager::SECURITY_MODE_SIGNED_WITH_MITM : |
rgrover1 | 131:b21411170d00 | 284 | BLE_GAP_CONN_SEC_MODE_SET_SIGNED_WITH_MITM(&attr_md.write_perm); |
rgrover1 | 131:b21411170d00 | 285 | break; |
rgrover1 | 157:0fa76927dcfe | 286 | default: |
rgrover1 | 157:0fa76927dcfe | 287 | break; |
rgrover1 | 131:b21411170d00 | 288 | }; |
Rohit Grover |
22:c6ee8136847e | 289 | } |
Rohit Grover |
22:c6ee8136847e | 290 | |
Rohit Grover |
22:c6ee8136847e | 291 | ble_gatts_attr_t attr_char_value = {0}; |
Rohit Grover |
22:c6ee8136847e | 292 | |
Rohit Grover |
22:c6ee8136847e | 293 | attr_char_value.p_uuid = p_uuid; |
Rohit Grover |
22:c6ee8136847e | 294 | attr_char_value.p_attr_md = &attr_md; |
Rohit Grover |
22:c6ee8136847e | 295 | attr_char_value.init_len = min_length; |
Rohit Grover |
22:c6ee8136847e | 296 | attr_char_value.max_len = max_length; |
Rohit Grover |
22:c6ee8136847e | 297 | attr_char_value.p_value = p_data; |
Rohit Grover |
22:c6ee8136847e | 298 | |
Rohit Grover |
22:c6ee8136847e | 299 | ASSERT_STATUS ( sd_ble_gatts_characteristic_add(service_handle, |
Rohit Grover |
22:c6ee8136847e | 300 | &char_md, |
Rohit Grover |
22:c6ee8136847e | 301 | &attr_char_value, |
Rohit Grover |
22:c6ee8136847e | 302 | p_char_handle)); |
Rohit Grover |
22:c6ee8136847e | 303 | |
Rohit Grover |
22:c6ee8136847e | 304 | return ERROR_NONE; |
Rohit Grover |
22:c6ee8136847e | 305 | } |
Rohit Grover |
59:2819e564b613 | 306 | |
Rohit Grover |
59:2819e564b613 | 307 | |
Rohit Grover |
59:2819e564b613 | 308 | |
Rohit Grover |
59:2819e564b613 | 309 | /**************************************************************************/ |
Rohit Grover |
59:2819e564b613 | 310 | /*! |
Rohit Grover |
59:2819e564b613 | 311 | @brief Adds a new descriptor to the custom service, assigning |
Rohit Grover |
59:2819e564b613 | 312 | value, a UUID add-on value, etc. |
Rohit Grover |
59:2819e564b613 | 313 | |
Rohit Grover |
59:2819e564b613 | 314 | @param[in] char_handle |
Rohit Grover |
59:2819e564b613 | 315 | @param[in] p_uuid The 16-bit value to add to the base UUID |
Rohit Grover |
59:2819e564b613 | 316 | for this descriptor (normally >1 |
Rohit Grover |
59:2819e564b613 | 317 | since 1 is typically used by the primary |
Rohit Grover |
59:2819e564b613 | 318 | service). |
Rohit Grover |
59:2819e564b613 | 319 | @param[in] max_length The maximum length of this descriptor |
Rohit Grover |
59:2819e564b613 | 320 | |
Rohit Grover |
59:2819e564b613 | 321 | @returns |
Rohit Grover |
59:2819e564b613 | 322 | @retval ERROR_NONE Everything executed normally |
Rohit Grover |
59:2819e564b613 | 323 | */ |
Rohit Grover |
59:2819e564b613 | 324 | /**************************************************************************/ |
Rohit Grover |
59:2819e564b613 | 325 | error_t custom_add_in_descriptor(uint16_t char_handle, |
Rohit Grover |
59:2819e564b613 | 326 | ble_uuid_t *p_uuid, |
Rohit Grover |
59:2819e564b613 | 327 | uint8_t *p_data, |
Rohit Grover |
59:2819e564b613 | 328 | uint16_t min_length, |
Rohit Grover |
59:2819e564b613 | 329 | uint16_t max_length, |
Rohit Grover |
59:2819e564b613 | 330 | uint16_t *p_desc_handle) |
Rohit Grover |
59:2819e564b613 | 331 | { |
Rohit Grover |
59:2819e564b613 | 332 | /* Descriptor metadata */ |
Rohit Grover |
59:2819e564b613 | 333 | ble_gatts_attr_md_t desc_md = {0}; |
Rohit Grover |
59:2819e564b613 | 334 | |
Rohit Grover |
59:2819e564b613 | 335 | desc_md.vloc = BLE_GATTS_VLOC_STACK; |
Rohit Grover |
59:2819e564b613 | 336 | desc_md.vlen = (min_length == max_length) ? 0 : 1; |
Rohit Grover |
59:2819e564b613 | 337 | |
Rohit Grover |
59:2819e564b613 | 338 | /* Make it readable and writable */ |
Rohit Grover |
59:2819e564b613 | 339 | BLE_GAP_CONN_SEC_MODE_SET_OPEN(&desc_md.read_perm); |
Rohit Grover |
59:2819e564b613 | 340 | BLE_GAP_CONN_SEC_MODE_SET_OPEN(&desc_md.write_perm); |
Rohit Grover |
59:2819e564b613 | 341 | |
Rohit Grover |
59:2819e564b613 | 342 | ble_gatts_attr_t attr_desc = {0}; |
Rohit Grover |
59:2819e564b613 | 343 | |
Rohit Grover |
59:2819e564b613 | 344 | attr_desc.p_uuid = p_uuid; |
Rohit Grover |
59:2819e564b613 | 345 | attr_desc.p_attr_md = &desc_md; |
Rohit Grover |
59:2819e564b613 | 346 | attr_desc.init_len = min_length; |
Rohit Grover |
59:2819e564b613 | 347 | attr_desc.max_len = max_length; |
Rohit Grover |
59:2819e564b613 | 348 | attr_desc.p_value = p_data; |
Rohit Grover |
59:2819e564b613 | 349 | |
Rohit Grover |
59:2819e564b613 | 350 | ASSERT_STATUS ( sd_ble_gatts_descriptor_add(char_handle, |
Rohit Grover |
59:2819e564b613 | 351 | &attr_desc, |
Rohit Grover |
59:2819e564b613 | 352 | p_desc_handle)); |
Rohit Grover |
59:2819e564b613 | 353 | |
Rohit Grover |
59:2819e564b613 | 354 | return ERROR_NONE; |
rgrover1 | 82:6c51cbe4bc12 | 355 | } |