| /* |
| * |
| * Copyright (c) 2020 Project CHIP Authors |
| * Copyright (c) 2020 Texas Instruments Incorporated |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file chipOBLeProfile.c |
| * This file contains the CHIPOBLE profile sample GATT service profile |
| * for use with the BLE Manager. |
| */ |
| /********************************************************************* |
| * INCLUDES |
| */ |
| #include <string.h> |
| |
| #include <icall.h> |
| #include <util.h> |
| |
| #include "icall_ble_api.h" |
| #include "ti_ble_config.h" |
| |
| #include "chipOBleProfile.h" |
| |
| /********************************************************************* |
| * GLOBAL VARIABLES |
| */ |
| // CHIPoBLE GATT Profile Service UUID |
| const uint8 chipOBleServUUID[ATT_UUID_SIZE] = { CHIPOBLEPROFILE_SERV_UUID_BASE128(CHIPOBLE_SERV_UUID) }; |
| |
| // CHIPoBLE Tx characteristic UUID |
| const uint8 chipOBleProfileTxCharUUID[ATT_UUID_SIZE] = { |
| // 0x12, 0x9D, 0x9F, 0x42, 0x9C, 0x4F, 0x9F, 0x95, 0x59, 0x45, 0x3D, 0x26, 0xF5, 0x2E, 0xEE, 0x18 |
| CHIPOBLEPROFILE_CHAR_UUID_BASE128(CHIPOBLEPROFILE_TX_CHAR_UUID) |
| }; |
| |
| // CHIPoBLE Rx characteristic UUID |
| const uint8 chipOBleProfileRxCharUUID[ATT_UUID_SIZE] = { |
| // 0x11, 0x9D, 0x9F, 0x42, 0x9C, 0x4F, 0x9F, 0x95, 0x59, 0x45, 0x3D, 0x26, 0xF5, 0x2E, 0xEE, 0x18 |
| CHIPOBLEPROFILE_CHAR_UUID_BASE128(CHIPOBLEPROFILE_RX_CHAR_UUID) |
| }; |
| |
| /********************************************************************* |
| * Profile Attributes - variables |
| */ |
| |
| // Remote Display Profile Service attribute |
| static const gattAttrType_t chipoBleProfile = { ATT_UUID_SIZE, chipOBleServUUID }; |
| |
| // ChipOBLE Tx Characteristic Properties |
| static uint8_t chipOBleProfileTxCharProps = GATT_PROP_READ | GATT_PROP_NOTIFY; |
| |
| // ChipOBLE Tx Characteristic Value |
| static uint8_t chipOBleProfileTxCharVal[CHIPOBLEPROFILE_CHAR_LEN] = { 0x00 }; |
| |
| // ChipOBLE Tx Characteristic User Description |
| static uint8_t chipOBleProfileTxdDataUserDesp[CHIPOBLEPROFILE_MAX_DESCRIPTION_LEN] = "ChipOBLE Tx Char"; |
| |
| static gattCharCfg_t * chipOBleProfileTxStateDataConfig; |
| |
| // ChipOBLE Rx Characteristic Properties |
| static uint8_t chipOBleProfileRxCharProps = GATT_PROP_WRITE; |
| |
| // ChipOBLE Rx Characteristic Value |
| static uint8_t chipOBleProfileRxCharVal[CHIPOBLEPROFILE_CHAR_LEN] = { 0x00 }; |
| |
| // ChipOBLE Rx Characteristic User Description |
| static uint8_t chipOBleProfileRxdDataUserDesp[CHIPOBLEPROFILE_MAX_DESCRIPTION_LEN] = "ChipOBLE Rx Char"; |
| |
| /********************************************************************* |
| * LOCAL VARIABLES |
| */ |
| |
| static chipOBleProfileCBs_t * chipOBleProfile_AppCBs = NULL; |
| |
| /********************************************************************* |
| * Profile Attributes - Table |
| */ |
| |
| static gattAttribute_t chipoBleProfileAttrTbl[] = { |
| // CHIPoBLE Service |
| { |
| { ATT_BT_UUID_SIZE, primaryServiceUUID }, /* type */ |
| GATT_PERMIT_READ, /* permissions */ |
| 0, /* handle */ |
| (uint8 *) &chipoBleProfile /* pValue */ |
| }, |
| // CHIPoBLE Tx Characteristic Declaration |
| { { ATT_BT_UUID_SIZE, characterUUID }, GATT_PERMIT_READ, 0, &chipOBleProfileTxCharProps }, |
| // CHIPoBLE Tx Characteristic Value |
| { { ATT_UUID_SIZE, chipOBleProfileTxCharUUID }, GATT_PERMIT_READ, 0, chipOBleProfileTxCharVal }, |
| |
| // CHIPoBLE Tx Characteristic configuration |
| { { ATT_BT_UUID_SIZE, clientCharCfgUUID }, |
| GATT_PERMIT_READ | GATT_PERMIT_WRITE, |
| 0, |
| (uint8 *) &chipOBleProfileTxStateDataConfig }, |
| |
| // CHIPoBLE Tx Characteristic User Description |
| { { ATT_BT_UUID_SIZE, charUserDescUUID }, GATT_PERMIT_READ, 0, chipOBleProfileTxdDataUserDesp }, |
| |
| // CHIPoBLE Rx Characteristic Declaration |
| { { ATT_BT_UUID_SIZE, characterUUID }, GATT_PERMIT_READ, 0, &chipOBleProfileRxCharProps }, |
| // CHIPoBLE Rx Characteristic Value |
| { { ATT_UUID_SIZE, chipOBleProfileRxCharUUID }, GATT_PERMIT_WRITE, 0, chipOBleProfileRxCharVal }, |
| |
| // CHIPoBLE Rx Characteristic User Description |
| { { ATT_BT_UUID_SIZE, charUserDescUUID }, GATT_PERMIT_READ, 0, chipOBleProfileRxdDataUserDesp }, |
| }; |
| |
| /********************************************************************* |
| * LOCAL FUNCTIONS |
| */ |
| static bStatus_t CHIPoBLEProfile_ReadAttrCB(uint16_t connHandle, gattAttribute_t * pAttr, uint8_t * pValue, uint16_t * pLen, |
| uint16_t offset, uint16_t maxLen, uint8_t method); |
| static bStatus_t CHIPoBLEProfile_WriteAttrCB(uint16_t connHandle, gattAttribute_t * pAttr, uint8_t * pValue, uint16_t len, |
| uint16_t offset, uint8_t method); |
| |
| /********************************************************************* |
| * PROFILE CALLBACKS |
| */ |
| |
| // CHIPoBLE Service Callbacks |
| // Note: When an operation on a characteristic requires authorization and |
| // pfnAuthorizeAttrCB is not defined for that characteristic's service, the |
| // Stack will report a status of ATT_ERR_UNLIKELY to the client. When an |
| // operation on a characteristic requires authorization the Stack will call |
| // pfnAuthorizeAttrCB to check a client's authorization prior to calling |
| // pfnReadAttrCB or pfnWriteAttrCB, so no checks for authorization need to be |
| // made within these functions. |
| const gattServiceCBs_t chipOBleProfileCBs = { |
| CHIPoBLEProfile_ReadAttrCB, // Read callback function pointer |
| CHIPoBLEProfile_WriteAttrCB, // Write callback function pointer |
| NULL // Authorization callback function pointer |
| }; |
| |
| /********************************************************************* |
| * PUBLIC FUNCTIONS |
| */ |
| |
| /********************************************************************* |
| * @fn CHIPoBLEProfile_AddService |
| * |
| * @brief Initializes the Simple Profile service by registering |
| * GATT attributes with the GATT server. |
| * |
| * @param services - services to add. This is a bit map and can |
| * contain more than one service. |
| * |
| * @return Success or Failure |
| */ |
| bStatus_t CHIPoBLEProfile_AddService(uint32 services) |
| { |
| uint8 status; |
| |
| // Allocate Client Characteristic Configuration tables |
| chipOBleProfileTxStateDataConfig = (gattCharCfg_t *) ICall_malloc((uint_least16_t)(sizeof(gattCharCfg_t) * MAX_NUM_BLE_CONNS)); |
| if (chipOBleProfileTxStateDataConfig == NULL) |
| { |
| return bleMemAllocError; |
| } |
| |
| // Initialize Client Characteristic Configuration attributes |
| GATTServApp_InitCharCfg(LL_CONNHANDLE_INVALID, chipOBleProfileTxStateDataConfig); |
| |
| if (services & CHIPOBLEPROFILE_SERVICE) |
| { |
| // Register GATT attribute list and CBs with GATT Server App |
| status = GATTServApp_RegisterService(chipoBleProfileAttrTbl, GATT_NUM_ATTRS(chipoBleProfileAttrTbl), |
| GATT_MAX_ENCRYPT_KEY_SIZE, &chipOBleProfileCBs); |
| } |
| else |
| { |
| status = SUCCESS; |
| } |
| |
| return status; |
| } |
| |
| /********************************************************************* |
| * @fn CHIPoBLEProfile_RegisterAppCBs |
| * |
| * @brief Registers the application callback function. Only call |
| * this function once. |
| * |
| * @param callbacks - pointer to application callbacks. |
| * |
| * @return SUCCESS or bleAlreadyInRequestedMode |
| */ |
| bStatus_t CHIPoBLEProfile_RegisterAppCBs(chipOBleProfileCBs_t * appCallbacks) |
| { |
| if (appCallbacks) |
| { |
| chipOBleProfile_AppCBs = appCallbacks; |
| |
| return SUCCESS; |
| } |
| else |
| { |
| return bleAlreadyInRequestedMode; |
| } |
| } |
| |
| /********************************************************************* |
| * @fn CHIPoBLEProfile_SetParameter |
| * |
| * @brief Set a CHIPoBLE Characteristic value |
| * |
| * @param param - Profile parameter ID |
| * @param len - length of data to write |
| * @param value - pointer to data to write. This is dependent on |
| * the parameter ID and WILL be cast to the appropriate |
| * data type (example: data type of uint16 will be cast to |
| * uint16 pointer). |
| * |
| * @return bStatus_t |
| */ |
| extern uint8 gattAppTaskID; |
| bStatus_t CHIPoBLEProfile_SetParameter(uint8 param, uint8 len, void * value, uint8_t taskId) |
| { |
| bStatus_t ret = SUCCESS; |
| switch (param) |
| { |
| case CHIPOBLEPROFILE_TX_CHAR: |
| |
| VOID memcpy(chipOBleProfileTxCharVal, value, len); |
| |
| // See if Indications has been enabled |
| ret = GATTServApp_ProcessCharCfg(chipOBleProfileTxStateDataConfig, chipOBleProfileTxCharVal, FALSE, chipoBleProfileAttrTbl, |
| GATT_NUM_ATTRS(chipoBleProfileAttrTbl), taskId, CHIPoBLEProfile_ReadAttrCB); |
| break; |
| default: |
| ret = INVALIDPARAMETER; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| /********************************************************************* |
| * @fn CHIPoBLEProfile_GetParameter |
| * |
| * @brief Get a CHIPoBLE Characteristic value |
| * |
| * @param param - Profile parameter ID |
| * @param value - pointer to data to put. This is dependent on |
| * the parameter ID and WILL be cast to the appropriate |
| * data type (example: data type of uint16 will be cast to |
| * uint16 pointer). |
| * |
| * @return bStatus_t |
| */ |
| bStatus_t CHIPoBLEProfile_GetParameter(uint8 param, void * value, uint16_t len) |
| { |
| bStatus_t ret = SUCCESS; |
| switch (param) |
| { |
| case CHIPOBLEPROFILE_RX_CHAR: |
| if (len != 0) |
| { |
| VOID memcpy(value, chipOBleProfileRxCharVal, len); |
| } |
| else |
| { |
| VOID memcpy(value, chipOBleProfileRxCharVal, CHIPOBLEPROFILE_CHAR_LEN); |
| } |
| break; |
| case CHIPOBLEPROFILE_CCCWrite: |
| *((uint8 *) value) = chipOBleProfileTxStateDataConfig->value; |
| break; |
| default: |
| ret = INVALIDPARAMETER; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| /********************************************************************* |
| * @fn CHIPoBLEProfile_ReadAttrCB |
| * |
| * @brief Read an attribute. |
| * |
| * @param connHandle - connection message was received on |
| * @param pAttr - pointer to attribute |
| * @param pValue - pointer to data to be read |
| * @param pLen - length of data to be read |
| * @param offset - offset of the first octet to be read |
| * @param maxLen - maximum length of data to be read |
| * @param method - type of read message |
| * |
| * @return SUCCESS, blePending or Failure |
| */ |
| static bStatus_t CHIPoBLEProfile_ReadAttrCB(uint16_t connHandle, gattAttribute_t * pAttr, uint8_t * pValue, uint16_t * pLen, |
| uint16_t offset, uint16_t maxLen, uint8_t method) |
| { |
| bStatus_t status = SUCCESS; |
| uint8 len = maxLen; |
| |
| if (offset + maxLen > CHIPOBLEPROFILE_CHAR_LEN) |
| len = CHIPOBLEPROFILE_CHAR_LEN - offset; |
| |
| *pLen = len; |
| VOID osal_memcpy(pValue, (pAttr->pValue) + offset, len); |
| |
| return status; |
| } |
| |
| /********************************************************************* |
| * @fn CHIPoBLEProfile_WriteAttrCB |
| * |
| * @brief Validate attribute data prior to a write operation |
| * |
| * @param connHandle - connection message was received on |
| * @param pAttr - pointer to attribute |
| * @param pValue - pointer to data to be written |
| * @param len - length of data |
| * @param offset - offset of the first octet to be written |
| * @param method - type of write message |
| * |
| * @return SUCCESS, blePending or Failure |
| */ |
| static bStatus_t CHIPoBLEProfile_WriteAttrCB(uint16_t connHandle, gattAttribute_t * pAttr, uint8_t * pValue, uint16_t len, |
| uint16_t offset, uint8_t method) |
| { |
| bStatus_t status = SUCCESS; |
| uint8 notifyApp = 0xFF; |
| |
| if (pAttr->type.len == ATT_UUID_SIZE) |
| { |
| if (!memcmp(pAttr->type.uuid, chipOBleProfileRxCharUUID, pAttr->type.len)) |
| { |
| VOID osal_memcpy((pAttr->pValue) + offset, pValue, len); |
| |
| // Send notification to BLE Event handler |
| notifyApp = CHIPOBLEPROFILE_RX_CHAR; |
| } |
| else |
| { |
| status = ATT_ERR_ATTR_NOT_FOUND; |
| } |
| } |
| |
| else if ((pAttr->type.len == ATT_BT_UUID_SIZE) && |
| (BUILD_UINT16(pAttr->type.uuid[0], pAttr->type.uuid[1]) == GATT_CLIENT_CHAR_CFG_UUID)) |
| { |
| |
| notifyApp = CHIPOBLEPROFILE_CCCWrite; |
| |
| status = GATTServApp_ProcessCCCWriteReq(connHandle, pAttr, pValue, len, offset, GATT_CLIENT_CFG_NOTIFY); |
| } |
| else |
| { |
| // unsupported length |
| status = ATT_ERR_INVALID_HANDLE; |
| } |
| |
| // If a characteristic value changed then callback function to notify application of change |
| if ((notifyApp != 0xFF) && chipOBleProfile_AppCBs && chipOBleProfile_AppCBs->pfnchipOBleProfileChange) |
| { |
| chipOBleProfile_AppCBs->pfnchipOBleProfileChange(notifyApp, len, connHandle); |
| } |
| |
| return status; |
| } |
