Mobile Programming with wireless communication

I want to create a program for mobile devices (PDA's).
This program has to sent data e.g image from the mobile to a server and store them in a database. The communication between them i want it to be wireless.
Can someone direct me how exactly i have to start and what steps i have to follow in order i don't get confused in the future. Also what technologies i can use.
If you want you can recomend also books, but don't forget that i am a beginner.
George

What error message do you receive?
Does the printer work from other computers?
You mentioned a McAfee firewall.  Strict firewalls have been known to block communication with the printer.  Unfortunately, I am not familiar enough with McAfee's firewall to give any steps.
This blog from HP details the ports that are needed for printing and installation to be successful.  If the ports are being blocked by the firewall, or hpnetworkcommunicator.exe, then it will not work on that system with the firewall.
While they may not be able to disable the firewall, they may be able to make the necessary changes for the firewall to let it through.  They may need to submit a request for review before opening those ports.  I am not familiar with their IT security practices to determine if they will do that or not.
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    Date: Thu, 2 Jan 2014 02:09:18 -0800
    From: [email protected]
    To: [email protected]
    Subject: What html code will start an EXE (program) with a click on a webpage link?
        Re: What html code will start an EXE (program) with a click on a webpage link?
        created by Herbert2001 in Dreamweaver support forum - View the full discussion
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    Get or Request Code Sample from Microsoft
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  • Problem with wireless rt3090

    hello, I bought a laptop 'hp pavilion dv5-2133la' with wireless card rt3090 Ralink
    i have tried 3 forms for install the drivers, all failed.
    1.- compile the drivers provided by Ralink. here the link http://www.ralinktech.com/support.php?s=2
    but it give me this error:
    make -C tools
    make[1]: se ingresa al directorio `/home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/tools'
    gcc -g bin2h.c -o bin2h
    make[1]: se sale del directorio `/home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/tools'
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/tools/bin2h
    cp -f os/linux/Makefile.6 /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/Makefile
    make -C /lib/modules/2.6.36-ARCH/build SUBDIRS=/home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux modules
    make[1]: se ingresa al directorio `/usr/src/linux-2.6.36-ARCH'
    CC [M] /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../common/rtmp_mcu.o
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../common/rtmp_mcu.c: En la función 'RtmpAsicLoadFirmware':
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../common/rtmp_mcu.c:352:2: aviso: ISO C90 prohíbe mezclar declaraciones y código
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../common/rtmp_mcu.c:355:2: aviso: el paso del argumento 1 de 'writel' crea un entero desde un puntero sin una conversión
    /usr/src/linux-2.6.36-ARCH/arch/x86/include/asm/io.h:64:1: nota: se esperaba 'unsigned int' pero el argumento es de tipo 'ULONG *'
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../common/rtmp_mcu.c:356:2: aviso: el formato '%d' espera el tipo 'int', pero el argumento 2 es de tipo 'ULONG'
    CC [M] /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.o
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c:679:2: aviso: se declaró 'enum tx_power_setting' dentro de la lista de parámetros
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c:679:2: aviso: su ámbito es solamente esta definición o declaración, lo cual probablemente no es lo que desea
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c:678:29: error: el parámetro 2 ('Type') tiene tipo incompleto
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c:676:12: aviso: la declaración de la función no es un prototipo
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c:1355:2: aviso: inicialización desde un tipo de puntero incompatible
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c:1388:2: aviso: inicialización desde un tipo de puntero incompatible
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c: En la función 'CFG80211_SupBandInit':
    /home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.c:2594:2: aviso: el formato '%d' espera el tipo 'int', pero el argumento 2 es de tipo 'long unsigned int'
    make[2]: *** [/home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux/../../os/linux/cfg80211.o] Error 1
    make[1]: *** [_module_/home/moguri/Downloads/20101216_RT3090_LinuxSTA_V2.4.0.4_WiFiBTCombo_DPO/os/linux] Error 2
    make[1]: se sale del directorio `/usr/src/linux-2.6.36-ARCH'
    make: *** [LINUX] Error 2
    2.- packages from AUR.
    but rt3090 and rt2860-firmware are out of date and not work.
    3.-instal a deb.
    but dpkg give me this error:
    dpkg: warning: 'update-rc.d' not found in PATH or not executable.
    dpkg: 1 expected program not found in PATH or not executable.
    NB: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin.
    lshw:
    description: Wireless interface
    product: RT3090 Wireless 802.11n 1T/1R PCIe
    vendor: RaLink
    physical id: 0
    bus info: pci@0000:08:00.0
    logical name: wlan0
    version: 00
    serial: 70:f3:95:6e:2a:04
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical wireless
    configuration: broadcast=yes driver=rt2800pci driverversion=2.6.36-ARCH firmware=N/A latency=0 multicast=yes wireless=IEEE 802.11bgn
    resources: irq:17 memory:f1000000-f100ffff
    iwconfig:
    lo no wireless extensions.
    eth0 no wireless extensions.
    wlan0 IEEE 802.11bgn ESSID:off/any
    Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
    Retry long limit:7 RTS thr:off Fragment thr:off
    Power Management:off
    ppp0 no wireless extensions.
    when I make the command "iwlist wlan0 scanning" give me this output:
    wlan0 Failed to read scan data : Network is down
    wicd and networkmanager don't recognize any network.
    and I'm sure that the wifi card is fine because win7 recognize the network of my neighbors xD
    please help me! i wanna conect via commands if its posible, i don't want to conect via wicd or networkmanager because they modify the file /etc/hosts, and i wanna conect to adsl via pppoe-start.
    right now i am conected via adsl rj45 ethernet.
    sry 4 my english xD
    Last edited by vincegeratorix (2010-12-28 17:03:13)

    Hi,
    on my ProBook surprisingly rt2860sta could not connect anywhere, let alone with WPA, and the opensource driver rt2800pci did. With moderate success I might add because it caused a kernel panic a few times - I found Monitor mode triggered it, in kernel 2.6.36 (have not tried 2.6.37 yet). Note that rt2860sta was known to cause them as well, when disconnecting from networks.
    Several things to mind to make it work. Quoting from my article about installing Arch on it:
    The only way to get your card working is to make sure to unblock RF-Kill on all devices; the Wireless (and Bluetooth since they are combined in this model). In Arch Linux a simple startup service takes care of it, part of the rfkill package. You also have to make sure one or the other driver is blacklisted. Having them both loaded leads to connection failures.
    As for actual connecting, with rt2800pci, you can take a look at my connection script. It includes sample wpa_supplicant configuration as well. See rt-connect.sh: http://sysphere.org/~anrxc/j/articles/p … connect.sh
    Last edited by anrxc (2011-01-09 00:23:11)

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