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------------------------------------------------------------------------------- Version 1.1.0 ------------------------------------------------------------------------------- Changes: - The WiShield library now uses a new, more stable TCP/IP stack. The library includes a port of the uIP stack. - Server and client modes supported in the TCP/IP stack. - The limitation of 446 bytes is removed. Larger sized packets can be transmitted and received but will have to be broken down into smaller sized chunks which are <= 346 bytes. - Sample WebServer sketch modified to use the new stack to serve up simple webpages - The stack provides an implementation of the socket interface which can be used to transmit or receive data New features: - Sample WebClient sketch added which demonstrates the operation of sending status updates to a Twitter.com account - ARP client added to periodically send ARP packets to the AP. This was done to prevent certain APs from disconnecting the device due to long periods of inactivity Known issues: None -------------------------------------------------------------------------------
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‎README‎

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www.asynclabs.com
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-------------------------------------------------------------------------------
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Version 1.0.0
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Version 1.1.0
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-------------------------------------------------------------------------------
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This release includes the WiShield and TCP/IP stack files to be used with the
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Async Labs WiShield 1.0 wireless devices.
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Changes:
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- The WiShield library now uses a new, more stable TCP/IP stack. The library
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includes a port of the uIP stack.
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- Server and client modes supported in the TCP/IP stack.
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- The limitation of 446 bytes is removed. Larger sized packets can be
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transmitted and received but will have to be broken down into smaller
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sized chunks which are <= 346 bytes.
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- Sample WebServer sketch modified to use the new stack to serve up simple
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webpages
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- The stack provides an implementation of the socket interface which can be
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used to transmit or receive data
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The release includes:
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- Driver for ZeroG G2100 series WiFi device (for download instructions, see:
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http://asynclabs.com/wiki/)
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- Simplified TCP/IP stack for use with the WiShield
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- Sample WebServer sketch demonstrating the implementation of a simple
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webserver to serve up a webpage when requested from a client browser
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application
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- Sample LEDControl sketch demonstrating the implementation of a control
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application using the webserver mode of the WiShield library.
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New features:
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- Sample WebClient sketch added which demonstrates the operation of sending
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status updates to a Twitter.com account
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- ARP client added to periodically send ARP packets to the AP. This was done
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to prevent certain APs from disconnecting the device due to long periods of
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inactivity
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Known issues:
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None
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‎WiShield.cpp‎

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/******************************************************************************
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Filename: WiShield.cpp
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Description: WiShield library file for the WiShield 1.0
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******************************************************************************
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TCP/IP stack and driver for the WiShield 1.0 wireless devices
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Copyright(c) 2009 Async Labs Inc. All rights reserved.
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This program is free software; you can redistribute it and/or modify it
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under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59
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Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Contact Information:
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<[email protected]>
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Author Date Comment
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---------------------------------------------------------------
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AsyncLabs 05/01/2009 Initial version
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*****************************************************************************/
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extern "C" {
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#include "types.h"
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#include "config.h"
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#include "g2100.h"
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#include "stack.h"
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}
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#include "WProgram.h"
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#include "WiShield.h"
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void WiShield::init()
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{
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zg_init(GBLBUF, 0);
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attachInterrupt(0, zg_isr, LOW);
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}
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void WiShield::driver_task()
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{
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zg_drv_process();
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}
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void WiShield::stack_task()
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{
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stack_process();
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}
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// FIXME : return success or failure
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void WiShield::server_listen(U16 port)
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{
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socket(SOCK_STREAM, port);
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}
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U8* WiShield::data_available(U16* app_len)
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{
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*app_len = stack_app_data();
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return APPBUF;
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}
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void WiShield::send_data(U16 app_len)
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{
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stack_set_app_data(app_len);
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}
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void WiShield::set_more_data(U8 flag)
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{
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stack_set_app_more_data(flag);
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}
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WiShield WiFi;
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/******************************************************************************
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Filename: WiShield.cpp
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Description: WiShield library file for the WiShield 1.0
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******************************************************************************
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TCP/IP stack and driver for the WiShield 1.0 wireless devices
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Copyright(c) 2009 Async Labs Inc. All rights reserved.
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This program is free software; you can redistribute it and/or modify it
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under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
21+
22+
You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59
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Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Contact Information:
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<[email protected]>
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Author Date Comment
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---------------------------------------------------------------
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AsyncLabs 05/01/2009 Initial version
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AsyncLabs 05/29/2009 Adding support for new library
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*****************************************************************************/
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extern "C" {
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#include "types.h"
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#include "global-conf.h"
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#include "network.h"
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#include "g2100.h"
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void stack_init(void);
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void stack_process(void);
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}
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#include "WProgram.h"
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#include "WiShield.h"
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void WiShield::init()
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{
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zg_init();
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attachInterrupt(0, zg_isr, LOW);
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while(zg_get_conn_state() != 1) {
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zg_drv_process();
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}
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stack_init();
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}
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void WiShield::run()
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{
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stack_process();
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zg_drv_process();
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}
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WiShield WiFi;

‎WiShield.h‎

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/******************************************************************************
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Filename: WiShield.h
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Description: WiShield library file for the WiShield 1.0
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******************************************************************************
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TCP/IP stack and driver for the WiShield 1.0 wireless devices
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Copyright(c) 2009 Async Labs Inc. All rights reserved.
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This program is free software; you can redistribute it and/or modify it
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under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19-
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
20-
more details.
21-
22-
You should have received a copy of the GNU General Public License along with
23-
this program; if not, write to the Free Software Foundation, Inc., 59
24-
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25-
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Contact Information:
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<[email protected]>
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Author Date Comment
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---------------------------------------------------------------
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AsyncLabs 05/01/2009 Initial version
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*****************************************************************************/
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#ifndef WISHIELD_H_
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#define WISHIELD_H_
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extern "C" {
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#include "config.h"
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#include "spi.h"
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}
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class WiShield
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{
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private:
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public:
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void init();
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void driver_task();
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void stack_task();
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void server_listen(U16 port);
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U8* data_available(U16* app_len);
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void send_data(U16 app_len);
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void set_more_data(U8 flag);
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};
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extern WiShield WiFi;
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#endif /* WISHIELD_H_ */
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/******************************************************************************
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Filename: WiShield.h
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Description: WiShield library file for the WiShield 1.0
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******************************************************************************
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TCP/IP stack and driver for the WiShield 1.0 wireless devices
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Copyright(c) 2009 Async Labs Inc. All rights reserved.
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This program is free software; you can redistribute it and/or modify it
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under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
16+
17+
This program is distributed in the hope that it will be useful, but WITHOUT
18+
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19+
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
20+
more details.
21+
22+
You should have received a copy of the GNU General Public License along with
23+
this program; if not, write to the Free Software Foundation, Inc., 59
24+
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25+
26+
Contact Information:
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<[email protected]>
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Author Date Comment
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---------------------------------------------------------------
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AsyncLabs 05/01/2009 Initial version
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AsyncLabs 05/29/2009 Adding support for new library
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*****************************************************************************/
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#ifndef WISHIELD_H_
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#define WISHIELD_H_
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extern "C" {
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#include "config.h"
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#include "spi.h"
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extern unsigned char webclient_get(char *host, unsigned int port, char *file);
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}
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class WiShield {
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public:
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void init();
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void run();
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};
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extern WiShield WiFi;
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#endif /* WISHIELD_H_ */

‎apps-conf.h‎

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/******************************************************************************
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Filename: apps-conf.h
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Description: Web application configuration file
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******************************************************************************
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TCP/IP stack and driver for the WiShield 1.0 wireless devices
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Copyright(c) 2009 Async Labs Inc. All rights reserved.
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This program is free software; you can redistribute it and/or modify it
14+
under the terms of version 2 of the GNU General Public License as
15+
published by the Free Software Foundation.
16+
17+
This program is distributed in the hope that it will be useful, but WITHOUT
18+
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19+
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
20+
more details.
21+
22+
You should have received a copy of the GNU General Public License along with
23+
this program; if not, write to the Free Software Foundation, Inc., 59
24+
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25+
26+
Contact Information:
27+
<[email protected]>
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Author Date Comment
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---------------------------------------------------------------
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AsyncLabs 05/29/2009 Initial port
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*****************************************************************************/
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#ifndef __APPS_CONF_H__
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#define __APPS_CONF_H__
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//Here we include the header file for the application(s) we use in our project.
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#define APP_WEBSERVER
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//#define APP_WEBCLIENT
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#ifdef APP_WEBSERVER
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#include "webserver.h"
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#endif
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#ifdef APP_WEBCLIENT
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#include "webclient.h"
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#endif
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#endif /*__APPS_CONF_H__*/

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