X_NUCLEO_IDB05A1
Dependencies: mbed-os-example-ble-Advertising
source/BlueNRGGattServer.cpp
- Committer:
- Andrea Palmieri
- Date:
- 2015-10-16
- Revision:
- 142:adf1567d3900
- Parent:
- 132:51056160fa4a
- Child:
- 144:bdf5e8432131
File content as of revision 142:adf1567d3900:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * 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 BlueNRGGattServer.cpp * @author STMicroelectronics * @brief Implementation of BlueNRG BLE_API GattServer Class ****************************************************************************** * @copy * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2> */ // ANDREA: Changed some types (e.g., tHalUint8 --> uint8_t) /** @defgroup BlueNRGGATTSERVER * @brief BlueNRG BLE_API GattServer Adaptation * @{ */ #include "BlueNRGGattServer.h" #include "mbed.h" #include "BlueNRGGap.h" #include "Utils.h" #include "debug.h" /**************************************************************************/ /*! @brief Adds a new service to the GATT table on the peripheral @params[in] service Pointer to instance of the Gatt Server to add @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ ble_error_t BlueNRGGattServer::addService(GattService &service) { /* ToDo: Make sure we don't overflow the array, etc. */ /* ToDo: Make sure this service UUID doesn't already exist (?) */ /* ToDo: Basic validation */ tBleStatus ret; uint8_t type; uint16_t short_uuid; uint8_t primary_short_uuid[2]; uint8_t primary_base_uuid[16]; uint8_t char_base_uuid[16]; const uint8_t *base_uuid; const uint8_t *base_char_uuid; uint8_t charsCount = 0; uint8_t maxAttrRecords = 0; type = (service.getUUID()).shortOrLong(); PRINTF("AddService(): Type:%d\n\r", type); /* Add the service to the BlueNRG */ short_uuid = (service.getUUID()).getShortUUID(); STORE_LE_16(primary_short_uuid, short_uuid); if(type==UUID::UUID_TYPE_LONG) { base_uuid = (service.getUUID()).getBaseUUID(); COPY_UUID_128(primary_base_uuid, base_uuid[15],base_uuid[14],base_uuid[13],base_uuid[12],base_uuid[11],base_uuid[10],base_uuid[9], base_uuid[8],base_uuid[7],base_uuid[6],base_uuid[5],base_uuid[4],primary_short_uuid[1],primary_short_uuid[0],base_uuid[1],base_uuid[0]); } charsCount = service.getCharacteristicCount(); //1(service record)+2records*char+1record*char_desc maxAttrRecords = 1+3*charsCount; if(type==UUID::UUID_TYPE_SHORT) { ret = aci_gatt_add_serv(UUID_TYPE_16, primary_short_uuid, PRIMARY_SERVICE, maxAttrRecords/*7*/, &servHandle); PRINTF("aci_gatt_add_serv UUID_TYPE_LONG ret=%d\n\r", ret); } else if(type==UUID::UUID_TYPE_LONG) { ret = aci_gatt_add_serv(UUID_TYPE_128, primary_base_uuid, PRIMARY_SERVICE, maxAttrRecords/*7*/, &servHandle); PRINTF("aci_gatt_add_serv UUID_TYPE_LONG ret=%d\n\r", ret); } service.setHandle(servHandle); //serviceHandleVector.push_back(servHandle); PRINTF("added servHandle handle =%u\n\r", servHandle); uint16_t bleCharacteristic; //iterate to include all characteristics for (uint8_t i = 0; i < charsCount; i++) { GattCharacteristic *p_char = service.getCharacteristic(i); uint16_t char_uuid = (p_char->getValueAttribute().getUUID()).getShortUUID(); uint8_t int_8_uuid[2]; STORE_LE_16(int_8_uuid, char_uuid); if(type==UUID::UUID_TYPE_LONG) { base_char_uuid = (p_char->getValueAttribute().getUUID()).getBaseUUID(); COPY_UUID_128(char_base_uuid, base_char_uuid[15],base_char_uuid[14],base_char_uuid[13],base_char_uuid[12],base_char_uuid[11],base_char_uuid[10],base_char_uuid[9], base_char_uuid[8],base_char_uuid[7],base_char_uuid[6],base_char_uuid[5],base_char_uuid[4],int_8_uuid[1],int_8_uuid[0],base_char_uuid[1],base_char_uuid[0]); } PRINTF("Char Properties 0x%x\n\r", p_char->getProperties()); /* * Gatt_Evt_Mask -> HardCoded (0) * Encryption_Key_Size -> Hardcoded (16) * isVariable (variable length value field) -> Hardcoded (1) */ uint8_t Gatt_Evt_Mask = 0x0; if((p_char->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE| GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE))) { PRINTF("Setting up Gatt GATT_NOTIFY_ATTRIBUTE_WRITE Mask\n\r"); Gatt_Evt_Mask = Gatt_Evt_Mask | GATT_NOTIFY_ATTRIBUTE_WRITE; } if((p_char->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ| GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY| GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE))) { PRINTF("Setting up Gatt GATT_NOTIFY_READ_REQ_AND_WAIT_FOR_APPL_RESP Mask\n\r"); Gatt_Evt_Mask = Gatt_Evt_Mask | GATT_NOTIFY_READ_REQ_AND_WAIT_FOR_APPL_RESP; } //This will support also GATT_SERVER_ATTR_READ_WRITE since it will be covered by previous if() check. if(type==UUID::UUID_TYPE_SHORT) { ret = aci_gatt_add_char(service.getHandle(), UUID_TYPE_16, int_8_uuid, p_char->getValueAttribute().getMaxLength() /*2*/ /*Value Length*/, p_char->getProperties(), ATTR_PERMISSION_NONE, Gatt_Evt_Mask /*Gatt_Evt_Mask*/, 16 /*Encryption_Key_Size*/, 1 /*isVariable*/, &bleCharacteristic); PRINTF("aci_gatt_add_char UUID_TYPE_16 props=%d MaxLength=%d ret=%d\n\r", p_char->getProperties(), p_char->getValueAttribute().getMaxLength(), ret); } else if(type==UUID::UUID_TYPE_LONG) { ret = aci_gatt_add_char(service.getHandle(), UUID_TYPE_128, char_base_uuid, p_char->getValueAttribute().getMaxLength() /*2*/ /*Value Length*/, p_char->getProperties(), ATTR_PERMISSION_NONE, Gatt_Evt_Mask /*Gatt_Evt_Mask*/, 16 /*Encryption_Key_Size*/, 1 /*isVariable*/, &bleCharacteristic); PRINTF("aci_gatt_add_char UUID_TYPE_128 props=%d MaxLength=%d ret=%d\n\r", p_char->getProperties(), p_char->getValueAttribute().getMaxLength(), ret); } /* Update the characteristic handle */ //uint16_t charHandle = characteristicCount; bleCharHanldeMap.insert(std::pair<uint16_t, uint16_t>(bleCharacteristic, servHandle)); p_characteristics[characteristicCount++] = p_char; p_char->getValueAttribute().setHandle(bleCharacteristic); //Set the characteristic count as the corresponding char handle PRINTF("added bleCharacteristic handle =%u\n\r", bleCharacteristic); if ((p_char->getValueAttribute().getValuePtr() != NULL) && (p_char->getValueAttribute().getInitialLength() > 0)) { write(p_char->getValueAttribute().getHandle(), p_char->getValueAttribute().getValuePtr(), p_char->getValueAttribute().getInitialLength(), false /* localOnly */); } // add descriptors now uint16_t descHandle = 0; PRINTF("p_char->getDescriptorCount()=%d\n\r", p_char->getDescriptorCount()); for(uint8_t descIndex=0; descIndex<p_char->getDescriptorCount(); descIndex++) { GattAttribute *descriptor = p_char->getDescriptor(descIndex); uint16_t shortUUID = descriptor->getUUID().getShortUUID(); const uint8_t uuidArray[] = {(uint8_t)((shortUUID>>8)&0xFF), (uint8_t)((shortUUID&0xFF))}; ret = aci_gatt_add_char_desc(service.getHandle(), p_char->getValueAttribute().getHandle(), CHAR_DESC_TYPE_16_BIT, uuidArray, descriptor->getMaxLength(), descriptor->getInitialLength(), descriptor->getValuePtr(), CHAR_DESC_SECURITY_PERMISSION, CHAR_DESC_ACCESS_PERMISSION, GATT_NOTIFY_ATTRIBUTE_WRITE, MIN_ENCRY_KEY_SIZE, CHAR_ATTRIBUTE_LEN_IS_FIXED, &descHandle); PRINTF("Adding Descriptor descriptor handle=%d ret=%d\n\r", descHandle, ret); if(ret==(tBleStatus)0) { PRINTF("Descriptor added successfully, descriptor handle=%d\n\r", descHandle); descriptor->setHandle(descHandle); } } } serviceCount++; //FIXME: There is no GattService pointer array in GattServer. // There should be one? (Only the user is aware of GattServices!) Report to forum. return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Reads the value of a characteristic, based on the service and characteristic index fields @param[in] charHandle The handle of the GattCharacteristic to read from @param[in] buffer Buffer to hold the the characteristic's value (raw byte array in LSB format) @param[in] lengthP The number of bytes read into the buffer @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ ble_error_t BlueNRGGattServer::readValue(uint16_t charHandle, uint8_t buffer[], uint16_t *const lengthP) { PRINTF("ReadValue() Not Supported\n\r"); /* avoid compiler warnings about unused variables */ (void)charHandle; (void)buffer; (void)lengthP; return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Updates the value of a characteristic, based on the service and characteristic index fields @param[in] charHandle The handle of the GattCharacteristic to write to @param[in] buffer Data to use when updating the characteristic's value (raw byte array in LSB format) @param[in] len The number of bytes in buffer @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ // <<<ANDREA>>> ble_error_t BlueNRGGattServer::readValue(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP) { /* avoid compiler warnings about unused variables */ (void)connectionHandle; (void)attributeHandle; (void)buffer; (void)lengthP; return BLE_ERROR_NONE; } ble_error_t BlueNRGGattServer::write(Gap::Handle_t connectionHandle, GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly) { /* avoid compiler warnings about unused variables */ (void)connectionHandle; (void)localOnly; return BLE_ERROR_NONE; } ble_error_t BlueNRGGattServer::write(GattAttribute::Handle_t charHandle, const uint8_t buffer[], uint16_t len, bool localOnly) { /* avoid compiler warnings about unused variables */ (void)localOnly; tBleStatus ret; //uint8_t buff[2]; PRINTF("updating bleCharacteristic charHandle =%u, corresponding serviceHanle= %u len=%d\n\r", charHandle, bleCharHanldeMap.find(charHandle)->second, len); /* for(int i=0; i<len; i++) { PRINTF("buffer[%d]=%d\n\r", i, buffer[i]); } */ ret = aci_gatt_update_char_value(bleCharHanldeMap.find(charHandle)->second, charHandle, 0, len, buffer); if (ret != BLE_STATUS_SUCCESS){ PRINTF("Error while updating characteristic (ret=0x%x).\n\r", ret) ; return BLE_ERROR_PARAM_OUT_OF_RANGE ; //Not correct Error Value //FIXME: Define Error values equivalent to BlueNRG Error Codes. } //Generate Data Sent Event Here? (GattServerEvents::GATT_EVENT_DATA_SENT) //FIXME: Is this correct? //Check if characteristic property is NOTIFY|INDICATE, if yes generate event GattCharacteristic *p_char = BlueNRGGattServer::getInstance().getCharacteristicFromHandle(charHandle); if(p_char->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE)) { PRINTF("Generate event after updating\n\r"); BlueNRGGattServer::getInstance().handleEvent(GattServerEvents::GATT_EVENT_DATA_SENT, charHandle); } return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Reads a value according to the handle provided @param[in] charHandle The handle of the GattCharacteristic to read from @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ ble_error_t BlueNRGGattServer::Read_Request_CB(uint16_t handle) { //signed short refvalue; uint16_t gapConnectionHandle = BlueNRGGap::getInstance().getConnectionHandle(); GattReadCallbackParams readParams; readParams.handle = handle; //PRINTF("readParams.charHandle = %d\n\r", readParams.charHandle); HCIDataReadEvent(&readParams); //EXIT: if(gapConnectionHandle != 0){ //PRINTF("Calling aci_gatt_allow_read\n\r"); aci_gatt_allow_read(gapConnectionHandle); } return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Returns the GattCharacteristic according to the handle provided @param[in] charHandle The handle of the GattCharacteristic @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ GattCharacteristic* BlueNRGGattServer::getCharacteristicFromHandle(uint16_t attrHandle) { GattCharacteristic *p_char = NULL; int i; uint16_t handle, handle_1; PRINTF("BlueNRGGattServer::getCharacteristicFromHandle()>>Attribute Handle received %d\n\r",attrHandle); for(i=0; i<characteristicCount; i++) { handle = p_characteristics[i]->getValueAttribute().getHandle(); PRINTF("handle(%d)=%d\n\r", i, handle); if(i==characteristicCount-1)//Last Characteristic check { if(attrHandle>=handle) { p_char = p_characteristics[i]; PRINTF("Found Characteristic Properties 0x%x (handle=%d)\n\r",p_char->getProperties(), handle); break; } } else { handle_1 = p_characteristics[i+1]->getValueAttribute().getHandle(); //Testing if attribute handle is between two Characteristic Handles if(attrHandle>=handle && attrHandle<handle_1) { p_char = p_characteristics[i]; PRINTF("Found Characteristic Properties 0x%x (handle=%d handle_1=%d)\n\r",p_char->getProperties(), handle, handle_1); break; } else continue; } } return p_char; } void BlueNRGGattServer::HCIDataWrittenEvent(const GattWriteCallbackParams *params) { this->handleDataWrittenEvent(params); } void BlueNRGGattServer::HCIDataReadEvent(const GattReadCallbackParams *params) { PRINTF("Called HCIDataReadEvent\n\r"); this->handleDataReadEvent(params); } void BlueNRGGattServer::HCIEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle) { this->handleEvent(type, charHandle); } void BlueNRGGattServer::HCIDataSentEvent(unsigned count) { this->handleDataSentEvent(count); } ble_error_t BlueNRGGattServer::initializeGATTDatabase(void) { // <TODO> return (ble_error_t)0; }