BLE UART example
Fork of Nucleo_BLE_BlueNRG by
btle/src/btle.cpp
- Committer:
- sjallouli
- Date:
- 2014-12-19
- Revision:
- 0:a948f5f3904c
File content as of revision 0:a948f5f3904c:
/* 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. */ #include "btle.h" #include "public/Gap.h" #include "public/GapEvents.h" #include "BlueNRGGap.h" #include "BlueNRGGattServer.h" #include "Utils.h" #ifdef __cplusplus extern "C" { #endif /* C File Includes ------------------------------------------------------------------*/ #include "hal_types.h" #include "hci.h" #include "bluenrg_hci.h" #include "gp_timer.h" #include "hal.h" #include "osal.h" #include "hci_internal.h" #include "bluenrg_hci_internal.h" #include "bluenrg_gap.h" #include "sm.h" #include <stdio.h> #include <string.h> #include "role_type.h" #include "debug.h" #ifdef __cplusplus } #endif static void btle_handler(/*ble_evt_t * p_ble_evt*/); void HCI_Input(tHciDataPacket * hciReadPacket); //#define BDADDR_SIZE 6 //tHalUint8 bdaddr[BDADDR_SIZE]= {0xaa, 0x00, 0x00, 0xE1, 0x80, 0x02}; uint16_t g_gap_service_handle = 0; uint16_t g_appearance_char_handle = 0; uint16_t g_device_name_char_handle = 0; /* Private variables ---------------------------------------------------------*/ volatile uint8_t set_connectable = 1; /**************************************************************************/ /*! @brief Initialises BTLE and the underlying HW/Device @returns */ /**************************************************************************/ void btle_init(bool isSetAddress) { DEBUG("btle_init>>\n\r"); tHalUint8 *bleAddr; int ret; uint16_t service_handle, dev_name_char_handle, appearance_char_handle; //HAL_Init(); /* Configure the User Button in GPIO Mode */ //BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO); /* Configure the system clock */ //SystemClock_Config(); /* Delay needed only to be able to acces the JTAG interface after reset if it will be disabled later. */ Clock_Wait(500); /* Initialize the BlueNRG SPI driver */ BNRG_SPI_Init(); /* Initialize the BlueNRG HCI */ HCI_Init(); /* Reset BlueNRG SPI interface */ BlueNRG_RST(); /* The Nucleo board must be configured as SERVER */ //check if issetAddress is set than set address. if(isSetAddress) { bleAddr = BlueNRGGap::getInstance().getAddress(); tHalUint8 bdaddr[BDADDR_SIZE]; Osal_MemCpy(bdaddr, bleAddr, BDADDR_SIZE); ret = aci_hal_write_config_data(CONFIG_DATA_PUBADDR_OFFSET, CONFIG_DATA_PUBADDR_LEN, bdaddr); } ret = aci_gatt_init(); //GAP is always in PERIPHERAL _ROLE as mbed does not support Master role at the moment ret = aci_gap_init(GAP_PERIPHERAL_ROLE, &service_handle, &dev_name_char_handle, &appearance_char_handle); g_gap_service_handle = service_handle; g_appearance_char_handle = appearance_char_handle; g_device_name_char_handle = dev_name_char_handle; //Device Name is set from Accumulate Adv Data Payload or through setDeviceName API /*ret = aci_gatt_update_char_value(service_handle, dev_name_char_handle, 0, strlen(name), (tHalUint8 *)name);*/ return; } void User_Process() { if(set_connectable){ setConnectable(); set_connectable = FALSE; } } void setConnectable(void) { tBleStatus ret; const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,'B','l','u','e','N','R','G', '1', '2'}; /* disable scan response */ hci_le_set_scan_resp_data(0,NULL); ret = aci_gap_set_discoverable(ADV_IND, 0, 0, PUBLIC_ADDR, NO_WHITE_LIST_USE, 8, local_name, 0, NULL, 0, 0); } /**************************************************************************/ /*! @brief @param[in] p_ble_evt @returns */ /**************************************************************************/ static void btle_handler() { } void SPI_Poll(void) { //HAL_GPIO_EXTI_Callback_Poll(BNRG_SPI_EXTI_PIN); return; } #ifdef __cplusplus extern "C" { #endif /**************************************************************************/ /*! @brief Handle HCI Stack Event @param[in] pckt Event Packet sent by the stack to be decoded @returns */ /**************************************************************************/ extern void HCI_Event_CB(void *pckt) { hci_uart_pckt *hci_pckt = (hci_uart_pckt*)pckt; hci_event_pckt *event_pckt = (hci_event_pckt*)hci_pckt->data; if(hci_pckt->type != HCI_EVENT_PKT) return; switch(event_pckt->evt){ case EVT_DISCONN_COMPLETE: { evt_disconn_complete *evt = (evt_disconn_complete*)event_pckt; BlueNRGGap::getInstance().processDisconnectionEvent(evt->handle, BlueNRGGap::REMOTE_USER_TERMINATED_CONNECTION); } break; case EVT_LE_META_EVENT: { evt_le_meta_event *evt = (evt_le_meta_event *)event_pckt->data; switch(evt->subevent){ case EVT_LE_CONN_COMPLETE: { evt_le_connection_complete *cc = (evt_le_connection_complete *)evt->data; BlueNRGGap::getInstance().setConnectionHandle(cc->handle); BlueNRGGap::ConnectionParams_t connectionParams; BlueNRGGap::getInstance().getPreferredConnectionParams(&connectionParams); BlueNRGGap::getInstance().processConnectionEvent(cc->handle, (const BlueNRGGap::ConnectionParams_t *)&connectionParams); } break; } } break; case EVT_VENDOR: { evt_blue_aci *blue_evt = (evt_blue_aci*)event_pckt->data; switch(blue_evt->ecode){ case EVT_BLUE_GATT_READ_PERMIT_REQ: { DEBUG("EVT_BLUE_GATT_READ_PERMIT_REQ_OK\n\r"); evt_gatt_read_permit_req *pr = (evt_gatt_read_permit_req*)blue_evt->data; BlueNRGGattServer::getInstance().Read_Request_CB(pr->attr_handle); } break; case EVT_BLUE_GATT_ATTRIBUTE_MODIFIED: { /* this callback is invoked when a GATT attribute is modified extract callback data and pass to suitable handler function */ evt_gatt_attr_modified *evt = (evt_gatt_attr_modified*)blue_evt->data; DEBUG("EVT_BLUE_GATT_ATTRIBUTE_MODIFIED\n\r"); //DEBUG("CharHandle 0x%x, length: 0x%x, Data: 0x%x\n\r",evt->attr_handle, evt->data_length, (uint16_t)evt->att_data[0]); DEBUG("CharHandle %d, length: %d, Data: %d\n\r",evt->attr_handle, evt->data_length, (uint16_t)evt->att_data[0]); //Extract the GattCharacteristic from p_characteristics[] and find the properties mask GattCharacteristic *p_char = BlueNRGGattServer::getInstance().getCharacteristicFromHandle(evt->attr_handle); if(p_char!=NULL) { DEBUG("getProperties 0x%x\n\r",p_char->getProperties()); if((p_char->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE))) { //Now Check if data written in Enable or Disable if((uint16_t)evt->att_data[0]==1) { //DEBUG("Notify ENABLED\n\r"); BlueNRGGattServer::getInstance().handleEvent(GattServerEvents::GATT_EVENT_UPDATES_ENABLED, evt->attr_handle); } else { //DEBUG("Notify DISABLED\n\r"); BlueNRGGattServer::getInstance().handleEvent(GattServerEvents::GATT_EVENT_UPDATES_DISABLED, evt->attr_handle); } } //Check is attr handle property is WRITEABLE, if yes, generate GATT_EVENT_DATA_WRITTEN Event if((p_char->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE| GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE))) { BlueNRGGattServer::getInstance().handleEvent(GattServerEvents::GATT_EVENT_DATA_WRITTEN, evt->attr_handle); //Write the actual Data to the Attr Handle? (uint8_1[])evt->att_data contains the data if ((p_char->getValueAttribute().getValuePtr() != NULL) && (p_char->getValueAttribute().getInitialLength() > 0)) { BlueNRGGattServer::getInstance().updateValue(p_char->getValueAttribute().getHandle(), p_char->getValueAttribute().getValuePtr(), p_char->getValueAttribute().getInitialLength(), false /* localOnly */); } } } } break; //Any cases for Data Sent Notifications? case EVT_BLUE_GATT_NOTIFICATION: //This is only relevant for Client Side Event DEBUG("EVT_BLUE_GATT_NOTIFICATION"); break; case EVT_BLUE_GATT_INDICATION: //This is only relevant for Client Side Event DEBUG("EVT_BLUE_GATT_INDICATION"); break; case EVT_BLUE_GATT_PROCEDURE_COMPLETE: DEBUG("EVT_BLUE_GATT_PROCEDURE_COMPLETE"); break; } } break; } return ; } #ifdef __cplusplus } #endif