You can then use BSD Sockets or any high-level component ( HTTP Client, NTP Client). To connect to the internet you must establish a PPP connection. You'll notice that this "Hello World" program is a little more complex that others, as we're using the mbed RTOS to manage the memory and processing resources/requirement of the USB Modem driver and the TCP/IP stack. After the installation of the 'HUAWEI Mobile' failed during installation of the Vodafone dashboard, there was just a Vodafone storage device usable, hence the drivers for the modem didn't load. There are various other "hello world" programs that demonstrate SMS, NTP, Socket and Websocket interfaces, as well as management commands (check balance, link status, etc). For anyone with a similar problem: just download the drivers from the thread linked by Fakiro (I downloaded the XP/32 drivers for my Vista x32). This example application uses the VodafoneUSBModem and the HTTPClient interface, enabling the mbed to fetch a URL over HTTP, and print the contents. In the example show, an external linear regulator board has been used to provide a high current regulated 5V supply from a 9V wall adaptor. vodafone mobile broadband - modem interface Driver Download. Because of the high current that the USB dongle requires, it is not possible to power it from the Vu pin on the mbed. Fit For Windows 8, 7, XP, Vista Auto Detect and Download Drivers for my HP Computer & Printer.
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