Eduvance IoTLabs
Water level sensing with simulation using potentiometer. The value uploads on the local phant server using HTTP GET method.
Dependencies: WIZnet_Library mbed
Revision 0:2c1f983dd2cc, committed 2016-08-02
- Comitter:
- eduvanceIoT
- Date:
- Tue Aug 02 07:57:32 2016 +0000
- Commit message:
- Simple water level sensing with simulation using Potentiometer. The level is uploaded onto local phant server.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WIZnet_Library.lib Tue Aug 02 07:57:32 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/WIZnet/code/WIZnet_Library/#cb8808b47e69
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Aug 02 07:57:32 2016 +0000
@@ -0,0 +1,103 @@
+#include "mbed.h"
+#include "WIZnetInterface.h"
+
+//MAC address of sheild
+unsigned char MAC_Addr[6] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+
+//server ip were server is set
+char* ServerIP = "192.168.0.101";
+
+//public and private key of stream
+char* public_key = "9Ojdd3Vk2aCqvx1Jg0yLsx2ParXq";
+char* private_key = "KzprrvRqKeC5neDN7GRbuQbExAG4";
+
+int Count = 15;
+int x;
+
+Serial pc(USBTX, USBRX);
+SPI spi(PTD2,PTD3,PTD1);
+
+//wiznet object
+WIZnetInterface ethernet(&spi,PTD0,PTA20);
+
+//analog input
+AnalogIn waterLevel(PTC1);
+int writtenLen,eth;
+
+int main()
+{
+ //Set serial port baudrate speed: 9600
+ pc.baud(9600);
+ pc.printf("Start\r\n");
+
+ while(1)
+ {
+ x=10*waterLevel.read();
+ int ret = ethernet.init(MAC_Addr);
+
+ if (!ret)
+ {
+ //print MAC address of device
+ pc.printf("Initialized, MAC: %s\r\n", ethernet.getMACAddress());
+ ret = ethernet.connect();
+ if (!ret)
+ {
+ //print IP alloted and details obtianed from network
+ pc.printf("IP: %s, MASK: %s, GW: %s\r\n",
+ ethernet.getIPAddress(), ethernet.getNetworkMask(), ethernet.getGateway());
+ }
+ else
+ {
+ pc.printf("Error ethernet.connect() - ret = %d\r\n", ret);
+ exit(0);
+ }
+ }
+ else
+ {
+ pc.printf("Error ethernet.init() - ret = %d\r\n", ret);
+ exit(0);
+ }
+
+ //create TCP socket
+ TCPSocketConnection sock;
+
+ while(1){
+
+ //connect the server to port 8080
+ sock.connect(ServerIP, 8080);
+ if(sock.is_connected())
+ pc.printf("Socket Connected\n\r");
+ else
+ pc.printf("Socket NoT Connected\n\r");
+
+ //create character buffer for URL
+ char buffer[300];
+ int ret_t;
+
+ char http_cmd[100];
+
+ //make URL
+ sprintf(http_cmd,"GET /input/%s?private_key=%s&pot=%d HTTP/1.0\n\n",public_key,private_key,x);
+ printf("sending %d characters",strlen(http_cmd));
+ printf("Running - %s\r\n",http_cmd);
+ writtenLen = sock.send_all(http_cmd, strlen(http_cmd));
+
+ //print the result of URL GET method
+ if(writtenLen == -1)
+ printf("sending failed\r\n");
+ else
+ printf("sending success\r\n");
+
+ eth=ret_t = sock.receive(buffer, strlen(buffer));
+ buffer[ret_t] = '\0';
+ printf("Received %d chars from server:\r\n%s\r\n", ret_t, buffer);
+
+ sock.close();
+
+ ethernet.disconnect();
+ pc.printf("Socket Closed\r\n");
+ wait(1);
+
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Aug 02 07:57:32 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/f9eeca106725 \ No newline at end of file