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Merge pull request #1 from Ehsan2754/dev/ble
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| #include <BLEDevice.h> | ||
| #include <BLEServer.h> | ||
| #include <BLEUtils.h> | ||
| #include <BLE2902.h> | ||
| #include <Wire.h> | ||
| #include "config.hpp" | ||
| #include "bt.hpp" | ||
|
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| bool deviceConnected = false; | ||
| bool requestFlag = false; | ||
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| uint8_t CUD_value[17] = "Characteristic 6"; | ||
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| static uint8_t bt_req[BUFFER_SIZE]; | ||
| static uint8_t bt_res[BUFFER_SIZE]; | ||
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| // Characteristic and Descriptor | ||
| // BLEServer *bleServer = NULL; | ||
| // BLEService *bleService = NULL; | ||
| // BLECharacteristic *bleCharacteristics = NULL; | ||
| // BLEAdvertising *bleAdvertising = NULL; | ||
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| BLEDescriptor cudDescriptor(BLEUUID((uint16_t)0x2901)); | ||
|
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| // Setup callbacks onWrite | ||
| class MyCharacteristicCallbacks : public BLECharacteristicCallbacks | ||
| { | ||
| void onWrite(BLECharacteristic *pCharacteristic) | ||
| { | ||
| if (!requestFlag) | ||
| { | ||
| requestFlag = true; | ||
| std::string value = pCharacteristic->getValue(); | ||
| if (value.length() > 0) | ||
| { | ||
| for (int i = 0; i < value.length(); i++) | ||
| { | ||
| bt_req[i] = value[i]; | ||
| } | ||
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| if (deviceConnected) | ||
| { | ||
| auto len = transmitCommand(bt_req, value.length(), bt_res, BUFFER_SIZE); | ||
| for (int i = 0; i < (len / 20) + 1; i++) | ||
| { | ||
| auto startPtr = 20 * i; | ||
| auto pktLen = (len < (20 * (i + 1))) ? len % 20 : 20; | ||
| DEBUG_PRINTF(DEBUG_APP"\t>>Packet sent from byte %d to %d\n", startPtr, startPtr + pktLen); | ||
| DEBUG_PRINTF("\t\t PTR=[MEM@%d,MEM@%d]\n", bt_res + startPtr, bt_res + startPtr + pktLen); | ||
| pCharacteristic->setValue(bt_res + startPtr, pktLen); | ||
| pCharacteristic->notify(); | ||
| } | ||
| } | ||
| } | ||
| requestFlag = false; | ||
| } | ||
| } | ||
| }; | ||
|
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| // Setup callbacks onConnect and onDisconnect | ||
| class MyServerCallbacks : public BLEServerCallbacks | ||
| { | ||
| void onConnect(BLEServer *pServer, esp_ble_gatts_cb_param_t *param) | ||
| { | ||
| deviceConnected = true; | ||
| pServer->updateConnParams(param->connect.remote_bda, 0x06, 0x12, 0, 100); | ||
| DEBUG_PRINTLN(DEBUG_APP"DEVICE CONNECTED!"); | ||
| DEBUG_PRINTF("\tNUMBER OF CONNECTED DEVICES = %d\n", pServer->getConnectedCount() + 1); | ||
| } | ||
| void onDisconnect(BLEServer *pServer) | ||
| { | ||
| deviceConnected = false; | ||
| DEBUG_PRINTLN(DEBUG_APP"DEVICE DISCONNECTED!"); | ||
| DEBUG_PRINTF("\tNUMBER OF CONNECTED DEVICES = %d\n", pServer->getConnectedCount() - 1); | ||
| pServer->getAdvertising()->start(); | ||
| } | ||
| }; | ||
| void deinitBT() | ||
| { | ||
| BLEDevice::deinit(true); | ||
| } | ||
| void initBT() | ||
| { | ||
| char devname[10]; | ||
| sprintf(devname,"%s%s",obtainLabtype(),SN); | ||
| DEBUG_PRINTF(DEBUG_INFO"BT-Beacon->%s\n",devname); | ||
| // Create the BLE Device | ||
| BLEDevice::init(devname); | ||
|
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| // Create the BLE Server | ||
| BLEServer *bleServer = BLEDevice::createServer(); | ||
| bleServer->setCallbacks(new MyServerCallbacks()); | ||
|
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| // Create the BLE Service | ||
| BLEService *bleService = bleServer->createService(SERVICE_UUID); | ||
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| // Create BLE Characteristics and Create BLE Descriptors | ||
| BLECharacteristic *bleCharacteristics = bleService->createCharacteristic(CHARACTERISTIC_UUID, BLECharacteristic::PROPERTY_READ | | ||
| BLECharacteristic::PROPERTY_WRITE | | ||
| BLECharacteristic::PROPERTY_WRITE_NR | | ||
| BLECharacteristic::PROPERTY_NOTIFY); | ||
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| bleCharacteristics->setCallbacks(new MyCharacteristicCallbacks()); | ||
| cudDescriptor.setValue(CUD_value, 16); | ||
| bleCharacteristics->addDescriptor(&cudDescriptor); | ||
| bleCharacteristics->addDescriptor(new BLE2902()); | ||
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| bleService->addCharacteristic(bleCharacteristics); | ||
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| // Start the service | ||
| bleService->start(); | ||
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| // Start advertising | ||
| BLEAdvertising *bleAdvertising = bleServer->getAdvertising(); | ||
| bleAdvertising->addServiceUUID(SERVICE_UUID); | ||
| bleAdvertising->setScanResponse(true); | ||
| bleAdvertising->setMinPreferred(0x06); // functions that help with iPhone connections issue | ||
| bleAdvertising->setMinPreferred(0x12); | ||
| bleAdvertising->start(); | ||
| BLEDevice::startAdvertising(); | ||
| DEBUG_PRINTLN(DEBUG_INFO"Waiting a client connection to notify..."); | ||
| } | ||
|
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| void btHandleRoutine(void *pvParameters) | ||
| { | ||
| for (;;) | ||
| { | ||
| // if(SerialBT.available()){ | ||
| // DEBUG_PRINTLN(DEBUG_INFO "Request from BT"); | ||
| // uint16_t req_len = SerialBT.readBytes(bt_req,BUFFER_SIZE); | ||
| // uint16_t res_len = transmitCommand(bt_req,req_len,bt_res,BUFFER_SIZE); | ||
| // for(uint16_t i=0;i<res_len;i++){ | ||
| // SerialBT.write(bt_res[i]); | ||
| // } | ||
| // } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| #ifndef __BT_HPP__ | ||
| #define __BT_HPP__ | ||
| #define BT_TIMEOUT 100 | ||
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| extern bool deviceConnected; | ||
| void initBT(); | ||
| void deinitBT(); | ||
| void btHandleRoutine(void *pvParameters); | ||
|
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| #endif//__BT_HPP__ |
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