Initial commit of working OSC parsing over Wifi

1 files changed, 137 insertions, 0 deletions

diff --git a/Libraries/WiShield/examples/UDPApp/udpapp.c b/Libraries/WiShield/examples/UDPApp/udpapp.c
new file mode 100644
index 0000000..cdf2d28
--- /dev/null
+++ b/Libraries/WiShield/examples/UDPApp/udpapp.c
@@ -0,0 +1,137 @@
+
+/******************************************************************************
+
+  Filename:		udpapp.h
+  Description:	UDP app for the WiShield 1.0
+
+ ******************************************************************************
+
+  TCP/IP stack and driver for the WiShield 1.0 wireless devices
+
+  Copyright(c) 2009 Async Labs Inc. All rights reserved.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms of version 2 of the GNU General Public License as
+  published by the Free Software Foundation.
+
+  This program is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc., 59
+  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+  Contact Information:
+  <asynclabs@asynclabs.com>
+
+   Author               Date        Comment
+  ---------------------------------------------------------------
+   AsyncLabs			07/11/2009	Initial version
+
+ *****************************************************************************/
+
+#include "uip.h"
+#include <string.h>
+#include "udpapp.h"
+#include "config.h"
+
+#define STATE_INIT				0
+#define STATE_LISTENING         1
+#define STATE_HELLO_RECEIVED	2
+#define STATE_NAME_RECEIVED		3
+
+static struct udpapp_state s;
+
+void dummy_app_appcall(void)
+{
+}
+
+void udpapp_init(void)
+{
+	uip_ipaddr_t addr;
+	struct uip_udp_conn *c;
+
+	uip_ipaddr(&addr, 192,168,1,23);
+	c = uip_udp_new(&addr, HTONS(0));
+	if(c != NULL) {
+		uip_udp_bind(c, HTONS(12344));
+	}
+
+	s.state = STATE_INIT;
+
+	PT_INIT(&s.pt);
+}
+
+static unsigned char parse_msg(void)
+{
+	if (memcmp(uip_appdata, "Hello", 5) == 0) {
+		return 1;
+	}
+
+	return 0;
+}
+
+static void send_request(void)
+{
+	char str[] = "Hello. What is your name?\n";
+
+	memcpy(uip_appdata, str, strlen(str));
+	uip_send(uip_appdata, strlen(str));
+}
+
+static void send_response(void)
+{
+	char i = 0;
+	char str[] = "Hello ";
+
+	while ( ( ((char*)uip_appdata)[i] != '\n') && i < 9) {
+		s.inputbuf[i] = ((char*)uip_appdata)[i];
+		i++;
+	}
+	s.inputbuf[i] = '\n';
+
+	memcpy(uip_appdata, str, 6);
+	memcpy(uip_appdata+6, s.inputbuf, i+1);
+	uip_send(uip_appdata, i+7);
+}
+
+static PT_THREAD(handle_connection(void))
+{
+	PT_BEGIN(&s.pt);
+
+	s.state = STATE_LISTENING;
+
+	do {
+		PT_WAIT_UNTIL(&s.pt, uip_newdata());
+
+		if(uip_newdata() && parse_msg()) {
+			s.state = STATE_HELLO_RECEIVED;
+			uip_flags &= (~UIP_NEWDATA);
+			break;
+		}
+	} while(s.state != STATE_HELLO_RECEIVED);
+
+	do {
+		send_request();
+		PT_WAIT_UNTIL(&s.pt, uip_newdata());
+
+		if(uip_newdata()) {
+			s.state = STATE_NAME_RECEIVED;
+			uip_flags &= (~UIP_NEWDATA);
+			break;
+		}
+	} while(s.state != STATE_NAME_RECEIVED);
+
+	send_response();
+
+	s.state = STATE_INIT;
+
+	PT_END(&s.pt);
+}
+
+void udpapp_appcall(void)
+{
+	handle_connection();
+}