找了很久的低功耗蓝牙程序开发,终于在国外找到了部分资料

#include <stdio.h>#include <windows.h>#include <setupapi.h>#include <devguid.h>#include <regstr.h>#include <bthdef.h>#include <Bluetoothleapis.h>#pragma comment(lib, "SetupAPI")#pragma comment(lib, "BluetoothApis.lib")#define TO_SEARCH_DEVICE_UUID "{0000180d-0000-1000-8000-00805f9b34fb}" HANDLE GetBLEHandle(__in GUID svcGuid){HDEVINFO hDevInfo;SP_DEVICE_INTERFACE_DATA devIntfData;SP_DEVINFO_DATA devInfoData;GUID deviceGUID = svcGuid;HANDLE hFind = NULL;hDevInfo = SetupDiGetClassDevs(&deviceGUID, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT);if (hDevInfo == INVALID_HANDLE_VALUE) return NULL;devIntfData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);devInfoData.cbSize = sizeof(SP_DEVINFO_DATA);for (DWORD i = 0; SetupDiEnumDeviceInterfaces(hDevInfo, NULL, &deviceGUID, i, &devIntfData); i++){SP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData;DeviceInterfaceDetailData.cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);DWORD size = 0;if (!SetupDiGetDeviceInterfaceDetail(hDevInfo, &devIntfData, NULL, 0, &size, 0)){int err = GetLastError();if (err == ERROR_NO_MORE_ITEMS) break;PSP_DEVICE_INTERFACE_DETAIL_DATA pInterfaceDetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)GlobalAlloc(GPTR, size);pInterfaceDetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);if (!SetupDiGetDeviceInterfaceDetail(hDevInfo, &devIntfData, pInterfaceDetailData, size, &size, &devInfoData))break;hFind = CreateFile(pInterfaceDetailData->DevicePath,GENERIC_WRITE | GENERIC_READ,FILE_SHARE_READ | FILE_SHARE_WRITE,NULL,OPEN_EXISTING,0,NULL);GlobalFree(pInterfaceDetailData);}}SetupDiDestroyDeviceInfoList(hDevInfo);return hFind;}int main(){GUID svcGuid;CLSIDFromString(TEXT(TO_SEARCH_DEVICE_UUID), &svcGuid);HANDLE hLEDevice = GetBLEHandle(svcGuid);printf("Find Handle: 0x%x \r\n", hLEDevice);//-------------------------------------------USHORT serviceBufferCount;HRESULT hr = BluetoothGATTGetServices(hLEDevice,0,NULL,&serviceBufferCount,BLUETOOTH_GATT_FLAG_NONE);if (hr != HRESULT_FROM_WIN32(ERROR_MORE_DATA)) {printf("BluetoothGATTGetServices - Need Alloc Buffer Size: %d \r\n", serviceBufferCount);}PBTH_LE_GATT_SERVICE pServiceBuffer = (PBTH_LE_GATT_SERVICE)malloc(sizeof(BTH_LE_GATT_SERVICE) * serviceBufferCount);if (pServiceBuffer == NULL) {printf("pServiceBuffer out of memory\r\n");}else {RtlZeroMemory(pServiceBuffer,sizeof(BTH_LE_GATT_SERVICE) * serviceBufferCount);}USHORT numServices;hr = BluetoothGATTGetServices(hLEDevice,serviceBufferCount,pServiceBuffer,&numServices,BLUETOOTH_GATT_FLAG_NONE);if (hr == S_OK) {printf("BluetoothGATTGetServices - Service Count %d \r\n", numServices);}//-------------------------------------------USHORT charBufferSize;hr = BluetoothGATTGetCharacteristics(hLEDevice,pServiceBuffer,0,NULL,&charBufferSize,BLUETOOTH_GATT_FLAG_NONE);if (HRESULT_FROM_WIN32(ERROR_MORE_DATA) == hr) {printf("BluetoothGATTGetCharacteristics - Buffer Size %d \r\n", charBufferSize);}PBTH_LE_GATT_CHARACTERISTIC pCharBuffer;if (charBufferSize > 0) {pCharBuffer = (PBTH_LE_GATT_CHARACTERISTIC)malloc(charBufferSize * sizeof(BTH_LE_GATT_CHARACTERISTIC));if (pCharBuffer == NULL) {printf("pCharBuffer out of memory\r\n");}else {RtlZeroMemory(pCharBuffer,charBufferSize * sizeof(BTH_LE_GATT_CHARACTERISTIC));}USHORT numChars;hr = BluetoothGATTGetCharacteristics(hLEDevice,pServiceBuffer,charBufferSize,pCharBuffer,&numChars,BLUETOOTH_GATT_FLAG_NONE);if (hr == S_OK) {printf("BluetoothGATTGetCharacteristics - Actual Data %d \r\n", numChars);}if (numChars != charBufferSize) {printf("buffer size and buffer size actual size mismatch\r\n");}}//-------------------------------------------//-------------------------------------------system("pause");return 0;}