SunTracker_BLE_Remote
Dependencies: BLE_API X_NUCLEO_IDB0XA1 X_NUCLEO_IKS01A1 mbed
Fork of SunTracker_BLE_Remote by
This application is the BLE Remote Control for the SunTracker demo application that you can find
here.
Please refer to that page for further information.
Diff: main.cpp
- Revision:
- 3:b2bf47485f85
- Parent:
- 2:c944cfe08e79
- Child:
- 4:17f96ffc073a
--- a/main.cpp Fri Feb 19 15:32:04 2016 +0000 +++ b/main.cpp Fri Feb 26 11:09:13 2016 +0000 @@ -1,4 +1,3 @@ -#if 0 /* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * @@ -175,289 +174,4 @@ int main(void) { BLE::Instance().init(bleInitComplete); -} - -#endif - - - - - -/* mbed Microcontroller Library - * Copyright (c) 2006-2015 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 "mbed.h" -#include "ble/Gap.h" -#include "ble/BLE.h" -#include "ble/DiscoveredCharacteristic.h" -#include "ble/DiscoveredService.h" -#include "ble/GapAdvertisingParams.h" - - -#define PRINTF(...) printf(__VA_ARGS__) - -BLE ble; -DigitalOut led1(LED1); - - -bool _connected = false; - -DiscoveredCharacteristic hrmCharacteristic; -static volatile bool triggerHrmCharacteristic = false; -//PROTOTYPES -void PrintScanResult(const Gap::AdvertisementCallbackParams_t *params); -void periodicCallback(void); -void connectToDevice(const Gap::Address_t peerAddr); - -void serviceDiscoveryCallback(const DiscoveredService *service); -void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP); -void discoveryTerminationCallback(Gap::Handle_t connectionHandle); - - -void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { - _connected = false; - PRINTF("disconnected\r\n"); -} - -void periodicCallback(void) -{ - led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ - /* Note that the periodicCallback() executes in interrupt context, so it is safer to do - * heavy-weight sensor polling from the main thread. */ - triggerHrmCharacteristic = true; -} - -void PrintScanResult(const Gap::AdvertisementCallbackParams_t *params) -{ - for(int8_t i = 5; i>=0; i--) - { - PRINTF("%02x",params->peerAddr[i] ); - if(i != 0)PRINTF("-"); - } - PRINTF("\r\n"); - - PRINTF("RSSI: %d\r\n",params->rssi ); - - if(params->isScanResponse){ - PRINTF("isScanResponse=true\r\n"); - } else { - PRINTF("isScanResponse=false\r\n"); - } - - switch(params->type) - { - case GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED: - PRINTF("ADV_CONNECTABLE_UNDIRECTED\r\n"); - break; - case GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED: - PRINTF("ADV_CONNECTABLE_DIRECTED\r\n"); - break; - case GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED: - PRINTF("ADV_SCANNABLE_UNDIRECTED\r\n"); - break; - case GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED: - PRINTF("ADV_NON_CONNECTABLE_UNDIRECTED\r\n"); - break; - - } - - PRINTF("advertisingDataLen: %d\r\n",params->advertisingDataLen ); - - PRINTF("advertisingData: "); - for(int i=0; i < params->advertisingDataLen; i++) - { - PRINTF("%02x",params->advertisingData[i]); - if(i != params->advertisingDataLen - 1)PRINTF("-"); - } - PRINTF("\r\n"); -} - - -void scanResultReceived(const Gap::AdvertisementCallbackParams_t *params) -{ - PRINTF("\r\nscanResultReceived\r\n"); - - //print advertsing values - PrintScanResult(params); - - PRINTF("scan result ... try connect\r\n"); - connectToDevice(params->peerAddr); -} - -void connectToDevice(const Gap::Address_t peerAddr) -{ - ble_error_t ret = ble.gap().connect(peerAddr, Gap::ADDR_TYPE_PUBLIC, NULL, NULL); - - if(ret == BLE_ERROR_NONE) { - PRINTF("SUCCESS: connect\r\n"); - } else { - PRINTF("ERROR : connect\r\n"); - } -} - -void serviceDiscoveryCallback(const DiscoveredService *service) { - PRINTF("Service discovery callback\r\n"); - - if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT) { - PRINTF("S UUID-%x attrs[%u %u]\r\n", service->getUUID().getShortUUID(), service->getStartHandle(), service->getEndHandle()); - } else { - printf("S UUID-"); - const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID(); - for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { - printf("%02x", longUUIDBytes[i]); - } - PRINTF(" attrs[%u %u]\r\n", service->getStartHandle(), service->getEndHandle()); - } -} - -void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) { - PRINTF("Characteristic discovery callback\r\n"); - - PRINTF(" C UUID-%x valueAttr[%u] props[%x]\r\n", characteristicP->getUUID().getShortUUID(), characteristicP->getValueHandle(), (uint8_t)characteristicP->getProperties().broadcast()); - //TODO: use hear rate characteristic - if (characteristicP->getUUID().getShortUUID() == 0x2A00) { - hrmCharacteristic = *characteristicP; - triggerHrmCharacteristic = true; - PRINTF("device name characteristic found\r\n"); - } -} - -void discoveryTerminationCallback(Gap::Handle_t connectionHandle) { - PRINTF("terminated SD for handle %u\r\n", connectionHandle); -} - -void timeoutCallback(Gap::TimeoutSource_t param) { - - switch(param) - { - case Gap::TIMEOUT_SRC_ADVERTISING: - PRINTF("Timeout: Advertising\r\n"); - break; - case Gap::TIMEOUT_SRC_SECURITY_REQUEST: - PRINTF("Timeout: Security access\r\n"); - break; - case Gap::TIMEOUT_SRC_SCAN: - PRINTF("Timeout: Scan\r\n"); - break; - case Gap::TIMEOUT_SRC_CONN: - PRINTF("Timeout: Conn\r\n"); - break; - } -} - -void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { - if (params->role == Gap::CENTRAL) { - PRINTF("Launch service discovery\r\n"); - //TODO: use heart rate service - ble.gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); - ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, 0x1800, 0x2A00); - _connected = true; - // ble.gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, GattService::UUID_HEART_RATE_SERVICE, GattCharacteristic::UUID_HEART_RATE_MEASUREMENT_CHAR); //BLE_UUID_UNKNOWN - } - else { - PRINTF("No central role\r\n"); - } -} - - -void readCallback(const GattReadCallbackParams *response) -{ - PRINTF("readCallback\r\n"); - - if (response->handle == hrmCharacteristic.getValueHandle()) { - PRINTF("readCallback: handle %u, offset %u, len %u\r\n", response->handle, response->offset, response->len); - for (unsigned index = 0; index < response->len; index++) { - PRINTF("%c[%02x]", response->data[index], response->data[index]); - } - PRINTF("\r\n"); - } -} - -/** - * This function is called when the ble initialization process has failled - */ -void onBleInitError(BLE &ble, ble_error_t error) -{ - PRINTF("BLE init error"); -} - -/** - * Callback triggered when the ble initialization process has finished - */ -void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) -{ - - PRINTF("init complete\r\n"); - - BLE& ble = params->ble; - ble_error_t error = params->error; - - if (error != BLE_ERROR_NONE) { - /* In case of error, forward the error handling to onBleInitError */ - PRINTF("Error init\r\n"); - onBleInitError(ble, error); - return; - } - - /* Ensure that it is the default instance of BLE */ - if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { - PRINTF("Error default instance\r\n"); - return; - } - - ble.onTimeout(timeoutCallback); - ble.onConnection(connectionCallback); - ble.onDisconnection(disconnectionCallback); - ble.gattClient().onDataRead(readCallback); - - ble.gap().setScanParams(300, 300); - ble.gap().startScan(scanResultReceived); - PRINTF("scan started...\r\n"); - - - // infinite loop - while (1) { - // check for trigger from periodicCallback() - if (triggerHrmCharacteristic && !ble.gattClient().isServiceDiscoveryActive() && _connected) { - - triggerHrmCharacteristic = false; - PRINTF("START READ\r\n"); - hrmCharacteristic.read(); - - } else { - ble.waitForEvent(); // low power wait for event - } - } - - - - -} - -int main(void) -{ - PRINTF("started...\r\n"); - - led1 = 1; - Ticker ticker; - ticker.attach(periodicCallback, 1); // blink LED every second - - _connected = false; - - PRINTF("start init...\r\n"); - - ble.init(bleInitComplete); } \ No newline at end of file