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Add ANCS example
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‎examples/ANCS/CMakeLists.txt‎

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# The following lines of boilerplate have to be in your project's
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# CMakeLists in this exact order for cmake to work correctly
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cmake_minimum_required(VERSION 3.5)
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include($ENV{IDF_PATH}/tools/cmake/project.cmake)
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project(ANCS)

‎examples/ANCS/main/CMakeLists.txt‎

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set(COMPONENT_SRCS "main.cpp")
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set(COMPONENT_ADD_INCLUDEDIRS ".")
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register_component()

‎examples/ANCS/main/main.cpp‎

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// Original: https://github.com/mathcampbell/ANCS
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#include "NimBLEDevice.h"
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#include "driver/uart.h"
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static NimBLEUUID ancsServiceUUID("7905F431-B5CE-4E99-A40F-4B1E122D00D0");
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static NimBLEUUID notificationSourceCharacteristicUUID("9FBF120D-6301-42D9-8C58-25E699A21DBD");
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static NimBLEUUID controlPointCharacteristicUUID("69D1D8F3-45E1-49A8-9821-9BBDFDAAD9D9");
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static NimBLEUUID dataSourceCharacteristicUUID("22EAC6E9-24D6-4BB5-BE44-B36ACE7C7BFB");
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static NimBLEClient *pClient;
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uint8_t latestMessageID[4];
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bool pendingNotification = false;
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bool incomingCall = false;
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uint8_t acceptCall = 0;
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static void initUart()
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{
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uart_config_t uartConfig{};
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uartConfig.baud_rate = 115200;
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uartConfig.data_bits = UART_DATA_8_BITS;
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uartConfig.parity = UART_PARITY_DISABLE;
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uartConfig.stop_bits = UART_STOP_BITS_1;
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uartConfig.flow_ctrl = UART_HW_FLOWCTRL_DISABLE;
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uartConfig.source_clk = UART_SCLK_DEFAULT;
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uart_driver_install(UART_NUM_0, 256, 0, 0, nullptr, 0);
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uart_param_config(UART_NUM_0, &uartConfig);
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}
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static void dataSourceNotifyCallback(NimBLERemoteCharacteristic *pDataSourceCharacteristic,
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uint8_t *pData,
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size_t length,
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bool isNotify)
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{
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for (int i = 0; i < length; i++)
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{
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if (i > 7)
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{
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printf("%c", pData[i]);
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}
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else
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{
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printf("%02X ", pData[i]);
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}
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}
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printf("\n");
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}
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static void NotificationSourceNotifyCallback(NimBLERemoteCharacteristic *pNotificationSourceCharacteristic,
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uint8_t *pData,
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size_t length,
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bool isNotify)
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{
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if (pData[0] == 0)
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{
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printf("New notification!\n");
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latestMessageID[0] = pData[4];
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latestMessageID[1] = pData[5];
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latestMessageID[2] = pData[6];
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latestMessageID[3] = pData[7];
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switch (pData[2])
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{
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case 0:
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printf("Category: Other\n");
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break;
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case 1:
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incomingCall = true;
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printf("Category: Incoming call\n");
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break;
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case 2:
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printf("Category: Missed call\n");
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break;
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case 3:
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printf("Category: Voicemail\n");
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break;
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case 4:
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printf("Category: Social\n");
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break;
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case 5:
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printf("Category: Schedule\n");
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break;
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case 6:
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printf("Category: Email\n");
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break;
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case 7:
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printf("Category: News\n");
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break;
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case 8:
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printf("Category: Health\n");
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break;
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case 9:
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printf("Category: Business\n");
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break;
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case 10:
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printf("Category: Location\n");
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break;
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case 11:
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printf("Category: Entertainment\n");
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break;
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default:
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break;
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}
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}
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else if (pData[0] == 1)
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{
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printf("Notification Modified!\n");
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if (pData[2] == 1)
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{
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printf("Call Changed!\n");
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}
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}
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else if (pData[0] == 2)
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{
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printf("Notification Removed!\n");
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if (pData[2] == 1)
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{
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printf("Call Gone!\n");
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}
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}
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pendingNotification = true;
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}
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class ServerCallbacks : public NimBLEServerCallbacks
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{
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void onConnect(NimBLEServer *pServer, NimBLEConnInfo &connInfo)
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{
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printf("Client connected: %s\n", connInfo.getAddress().toString().c_str());
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pClient = pServer->getClient(connInfo);
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printf("Client connected!\n");
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}
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void onDisconnect(NimBLEServer *pServer, NimBLEConnInfo &connInfo, int reason)
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{
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printf("Client disconnected: %s, reason: %d\n", connInfo.getAddress().toString().c_str(), reason);
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}
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} serverCallbacks;
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extern "C" void app_main()
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{
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initUart();
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printf("Starting setup...\n");
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NimBLEDevice::init("ANCS");
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NimBLEDevice::setSecurityAuth(true, true, true);
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NimBLEDevice::setSecurityIOCap(BLE_HS_IO_DISPLAY_YESNO);
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NimBLEDevice::setPower(9);
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NimBLEServer *pServer = NimBLEDevice::createServer();
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pServer->setCallbacks(&serverCallbacks);
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pServer->advertiseOnDisconnect(true);
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NimBLEAdvertising *pAdvertising = pServer->getAdvertising();
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NimBLEAdvertisementData advData{};
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advData.setFlags(0x06);
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advData.addServiceUUID(ancsServiceUUID);
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pAdvertising->setAdvertisementData(advData);
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pAdvertising->start();
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printf("Advertising started!\n");
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while (1)
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{
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if (pClient != nullptr && pClient->isConnected())
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{
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auto pAncsService = pClient->getService(ancsServiceUUID);
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if (pAncsService == nullptr)
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{
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printf("Failed to find our service UUID: %s\n", ancsServiceUUID.toString().c_str());
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continue;
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}
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// Obtain a reference to the characteristic in the service of the remote BLE server.
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auto pNotificationSourceCharacteristic = pAncsService->getCharacteristic(notificationSourceCharacteristicUUID);
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if (pNotificationSourceCharacteristic == nullptr)
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{
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printf("Failed to find our characteristic UUID: %s\n",
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notificationSourceCharacteristicUUID.toString().c_str());
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continue;
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}
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// Obtain a reference to the characteristic in the service of the remote BLE server.
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auto pControlPointCharacteristic = pAncsService->getCharacteristic(controlPointCharacteristicUUID);
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if (pControlPointCharacteristic == nullptr)
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{
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printf("Failed to find our characteristic UUID: %s\n",
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controlPointCharacteristicUUID.toString().c_str());
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continue;
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}
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// Obtain a reference to the characteristic in the service of the remote BLE server.
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auto pDataSourceCharacteristic = pAncsService->getCharacteristic(dataSourceCharacteristicUUID);
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if (pDataSourceCharacteristic == nullptr)
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{
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printf("Failed to find our characteristic UUID: %s\n", dataSourceCharacteristicUUID.toString().c_str());
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continue;
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}
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pDataSourceCharacteristic->subscribe(true, dataSourceNotifyCallback);
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pNotificationSourceCharacteristic->subscribe(true, NotificationSourceNotifyCallback);
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while (1)
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{
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if (pendingNotification || incomingCall)
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{
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// CommandID: CommandIDGetNotificationAttributes
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// 32bit uid
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// AttributeID
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printf("Requesting details...\n");
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uint8_t val[8] =
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{0x0, latestMessageID[0], latestMessageID[1], latestMessageID[2], latestMessageID[3], 0x0, 0x0, 0x10};
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pControlPointCharacteristic->writeValue(val, 6, true); // Identifier
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val[5] = 0x1;
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pControlPointCharacteristic->writeValue(val, 8, true); // Title
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val[5] = 0x3;
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pControlPointCharacteristic->writeValue(val, 8, true); // Message
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val[5] = 0x5;
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pControlPointCharacteristic->writeValue(val, 6, true); // Date
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while (incomingCall)
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{
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int bytesRead = uart_read_bytes(UART_NUM_0, &acceptCall, 1, 0);
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if (bytesRead > 0)
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{
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printf("%c\n", (char)acceptCall);
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}
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if (acceptCall == 49)
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{ // call accepted , get number 1 from serial
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const uint8_t vResponse[] =
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{0x02, latestMessageID[0], latestMessageID[1], latestMessageID[2], latestMessageID[3], 0x00};
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pControlPointCharacteristic->writeValue((uint8_t *)vResponse, 6, true);
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acceptCall = 0;
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// incomingCall = false;
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}
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else if (acceptCall == 48)
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{ // call rejected , get number 0 from serial
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const uint8_t vResponse[] =
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{0x02, latestMessageID[0], latestMessageID[1], latestMessageID[2], latestMessageID[3], 0x01};
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pControlPointCharacteristic->writeValue((uint8_t *)vResponse, 6, true);
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acceptCall = 0;
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incomingCall = false;
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}
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vTaskDelay(10 / portTICK_PERIOD_MS);
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}
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pendingNotification = false;
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}
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vTaskDelay(10 / portTICK_PERIOD_MS);
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}
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}
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vTaskDelay(10 / portTICK_PERIOD_MS);
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}
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}

‎examples/ANCS/sdkconfig.defaults‎

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# Override some defaults so BT stack is enabled
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# in this example
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#
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# BT config
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#
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CONFIG_BT_ENABLED=y
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CONFIG_BTDM_CTRL_MODE_BLE_ONLY=y
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CONFIG_BTDM_CTRL_MODE_BR_EDR_ONLY=n
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CONFIG_BTDM_CTRL_MODE_BTDM=n
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CONFIG_BT_BLUEDROID_ENABLED=n
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CONFIG_BT_NIMBLE_ENABLED=y
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CONFIG_BT_NIMBLE_NVS_PERSIST=y

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