BLE UART example
Fork of
Nucleo_BLE_BlueNRG
by 
ST Americas mbed Team
Diff: btle/src/btle.cpp
- Revision:
- 0:a948f5f3904c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/btle/src/btle.cpp Fri Dec 19 18:56:07 2014 +0000
@@ -0,0 +1,302 @@
+/* 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
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