Kevin Lee / Mbed 2 deprecated archlink_Temperture_ethernet_http

This is a demo that upload temperature info. to dweet.io

Dependencies:   BLE_API DHT HTTPClient SDFileSystem WIZnet_Library mbed nRF51822

main.cpp@3:cfc6ff08a668, 2015-07-02 (annotated)

Committer:
Kevin_Lee
Date:
Thu Jul 02 10:05:43 2015 +0000
Revision:
3:cfc6ff08a668
Parent:
2:8b304d2b4ca5 
This is a demo to upload temperature info. to dweet.io

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kevin_Lee 0:29bbc7eec5e1 1 #include "mbed.h"
Kevin_Lee 0:29bbc7eec5e1 2 #include "SDFileSystem.h"
Kevin_Lee 0:29bbc7eec5e1 3 #include "BLE.h"
Kevin_Lee 0:29bbc7eec5e1 4 #include "WIZnetInterface.h"
Kevin_Lee 2:8b304d2b4ca5 5 #include "HTTPClient.h"
Kevin_Lee 3:cfc6ff08a668 6 #include "DHT.h"
Kevin_Lee 3:cfc6ff08a668 7
Kevin_Lee 3:cfc6ff08a668 8 #define DHT22_Test 0
Kevin_Lee 0:29bbc7eec5e1 9
Kevin_Lee 2:8b304d2b4ca5 10 #define USE_DHCP 0
Kevin_Lee 0:29bbc7eec5e1 11 #define LOOPBACKPORT 5000
Kevin_Lee 0:29bbc7eec5e1 12 int W5500_Test(void);
Kevin_Lee 1:0f6a216263aa 13
Kevin_Lee 3:cfc6ff08a668 14 float temperature_get(); /* Grove - Temperature Sensor V1.2 */
Kevin_Lee 3:cfc6ff08a668 15
Kevin_Lee 0:29bbc7eec5e1 16 SPI spi(SPI_PSELMOSI0, SPI_PSELMISO0, SPI_PSELSCK0);
Kevin_Lee 0:29bbc7eec5e1 17 WIZnetInterface ethernet(&spi, p24, p17); // Spi ,cs, reset
Kevin_Lee 0:29bbc7eec5e1 18 int ret, dummy, lv = 1;
Kevin_Lee 0:29bbc7eec5e1 19 const char * IP_Addr = "192.168.21.247";
Kevin_Lee 0:29bbc7eec5e1 20 const char * IP_Subnet = "255.255.255.0";
Kevin_Lee 0:29bbc7eec5e1 21 const char * IP_Gateway = "192.168.21.2";
Kevin_Lee 0:29bbc7eec5e1 22 unsigned char MAC_Addr[6] = {0x00,0x08,0xDC,0x1C,0xAA,0xCA};
Kevin_Lee 0:29bbc7eec5e1 23
Kevin_Lee 0:29bbc7eec5e1 24
Kevin_Lee 0:29bbc7eec5e1 25 DigitalOut myled(LED1);
Kevin_Lee 0:29bbc7eec5e1 26 //Arch Link
Kevin_Lee 0:29bbc7eec5e1 27 Serial pc(USBTX, USBRX); /* uart */
Kevin_Lee 0:29bbc7eec5e1 28
Kevin_Lee 0:29bbc7eec5e1 29
Kevin_Lee 3:cfc6ff08a668 30 DHT dht22(A1,DHT22);
Kevin_Lee 3:cfc6ff08a668 31
Kevin_Lee 3:cfc6ff08a668 32 AnalogIn ain(A0);
Kevin_Lee 3:cfc6ff08a668 33
Kevin_Lee 0:29bbc7eec5e1 34 int main() {
Kevin_Lee 1:0f6a216263aa 35 char buffer[256];
Kevin_Lee 0:29bbc7eec5e1 36 wait(1);
Kevin_Lee 0:29bbc7eec5e1 37 pc.baud(115200);
Kevin_Lee 0:29bbc7eec5e1 38 wait(1);
Kevin_Lee 0:29bbc7eec5e1 39 printf("helloworld\r\n");
Kevin_Lee 0:29bbc7eec5e1 40
Kevin_Lee 3:cfc6ff08a668 41 /*
Kevin_Lee 3:cfc6ff08a668 42 float resistance = (float)(1023.0-val)*10000.0/(float)val;
Kevin_Lee 3:cfc6ff08a668 43 float temp = 1/(log(resistance/10000)/B+1/298.15)-273.15;
Kevin_Lee 3:cfc6ff08a668 44 */
Kevin_Lee 3:cfc6ff08a668 45
Kevin_Lee 3:cfc6ff08a668 46 #if DHT22_Test
Kevin_Lee 3:cfc6ff08a668 47 int result;
Kevin_Lee 3:cfc6ff08a668 48 while(1) {
Kevin_Lee 3:cfc6ff08a668 49 printf("dht22.readData()\r\n");
Kevin_Lee 3:cfc6ff08a668 50 printf("ain A0: %.2f\r\n",ain.read());
Kevin_Lee 3:cfc6ff08a668 51 printf("temperature_get %.2f\r\n",temperature_get());
Kevin_Lee 3:cfc6ff08a668 52 result = dht22.readData();
Kevin_Lee 3:cfc6ff08a668 53 printf("the result is %d.\r\n",result);
Kevin_Lee 3:cfc6ff08a668 54 if(result == 0) {
Kevin_Lee 3:cfc6ff08a668 55 printf("Temperature is %f.2 C\r\n",dht22.ReadTemperature(CELCIUS));
Kevin_Lee 3:cfc6ff08a668 56 printf("Humidity is %f.2 \%\r\n",dht22.ReadHumidity());
Kevin_Lee 3:cfc6ff08a668 57 }
Kevin_Lee 3:cfc6ff08a668 58 wait(4);
Kevin_Lee 3:cfc6ff08a668 59 }
Kevin_Lee 3:cfc6ff08a668 60 #endif
Kevin_Lee 3:cfc6ff08a668 61
Kevin_Lee 3:cfc6ff08a668 62
Kevin_Lee 2:8b304d2b4ca5 63 if(W5500_Test() == 0) { // Internet is ok
Kevin_Lee 0:29bbc7eec5e1 64 printf("W5500 tested OK \r\n");
Kevin_Lee 1:0f6a216263aa 65
Kevin_Lee 3:cfc6ff08a668 66 char str[512];
Kevin_Lee 3:cfc6ff08a668 67 char get_msg[128]= "";
Kevin_Lee 2:8b304d2b4ca5 68
Kevin_Lee 2:8b304d2b4ca5 69 /*
Kevin_Lee 3:cfc6ff08a668 70 http://dweet.io/follow/ArchLink
Kevin_Lee 2:8b304d2b4ca5 71 */
Kevin_Lee 3:cfc6ff08a668 72 char nameYouWant[] = "ArchLink";
Kevin_Lee 3:cfc6ff08a668 73 while(1)
Kevin_Lee 2:8b304d2b4ca5 74 {
Kevin_Lee 3:cfc6ff08a668 75 sprintf(get_msg,"http://dweet.io/dweet/for/%s?Temperature=%.2f",nameYouWant,temperature_get());
Kevin_Lee 3:cfc6ff08a668 76 printf("temperature_get: %.2f",temperature_get());
Kevin_Lee 3:cfc6ff08a668 77 HTTPClient http;
Kevin_Lee 2:8b304d2b4ca5 78
Kevin_Lee 3:cfc6ff08a668 79 pc.printf("Send post message to dweet.io\r\n");
Kevin_Lee 3:cfc6ff08a668 80 pc.printf("msg : %s\r\n",get_msg);
Kevin_Lee 3:cfc6ff08a668 81 ret = http.get(get_msg, str, sizeof(str));
Kevin_Lee 3:cfc6ff08a668 82 if(!ret)
Kevin_Lee 3:cfc6ff08a668 83 {
Kevin_Lee 3:cfc6ff08a668 84 pc.printf("\r\nPage fetched successfully - read %d characters\r\n", strlen(str));
Kevin_Lee 3:cfc6ff08a668 85 pc.printf("Result: %s\r\n", str);
Kevin_Lee 3:cfc6ff08a668 86 }
Kevin_Lee 3:cfc6ff08a668 87 else
Kevin_Lee 3:cfc6ff08a668 88 {
Kevin_Lee 3:cfc6ff08a668 89 pc.printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
Kevin_Lee 3:cfc6ff08a668 90 }
Kevin_Lee 3:cfc6ff08a668 91 wait(10);
Kevin_Lee 3:cfc6ff08a668 92 }
Kevin_Lee 0:29bbc7eec5e1 93 }
Kevin_Lee 0:29bbc7eec5e1 94
Kevin_Lee 0:29bbc7eec5e1 95 while(1) {
Kevin_Lee 0:29bbc7eec5e1 96 myled = 1;
Kevin_Lee 0:29bbc7eec5e1 97 printf("light1\r\n");
Kevin_Lee 0:29bbc7eec5e1 98 wait(3);
Kevin_Lee 0:29bbc7eec5e1 99 myled = 0;
Kevin_Lee 0:29bbc7eec5e1 100 printf("light0\r\n");
Kevin_Lee 0:29bbc7eec5e1 101 wait(3);
Kevin_Lee 0:29bbc7eec5e1 102 }
Kevin_Lee 0:29bbc7eec5e1 103 }
Kevin_Lee 0:29bbc7eec5e1 104
Kevin_Lee 0:29bbc7eec5e1 105 int W5500_Test(void)
Kevin_Lee 0:29bbc7eec5e1 106 {
Kevin_Lee 0:29bbc7eec5e1 107 mbed_mac_address((char *)MAC_Addr); //Use mbed mac addres
Kevin_Lee 0:29bbc7eec5e1 108 wait(1);
Kevin_Lee 0:29bbc7eec5e1 109 printf("Start to test ethernet!\r\n");
Kevin_Lee 0:29bbc7eec5e1 110
Kevin_Lee 0:29bbc7eec5e1 111 #if USE_DHCP
Kevin_Lee 0:29bbc7eec5e1 112 printf("use DHCP\r\n");
Kevin_Lee 0:29bbc7eec5e1 113 ret = ethernet.init(MAC_Addr);
Kevin_Lee 0:29bbc7eec5e1 114 #else
Kevin_Lee 0:29bbc7eec5e1 115 printf("do NOT use DHCP\r\n");
Kevin_Lee 0:29bbc7eec5e1 116 int ret = ethernet.init(MAC_Addr,IP_Addr,IP_Subnet,IP_Gateway);
Kevin_Lee 0:29bbc7eec5e1 117 #endif
Kevin_Lee 0:29bbc7eec5e1 118
Kevin_Lee 0:29bbc7eec5e1 119 if (!ret) {
Kevin_Lee 0:29bbc7eec5e1 120 pc.printf("Initialized, MAC: %s\r\n", ethernet.getMACAddress());
Kevin_Lee 0:29bbc7eec5e1 121 ret = ethernet.connect();
Kevin_Lee 0:29bbc7eec5e1 122 if (!ret) {
Kevin_Lee 0:29bbc7eec5e1 123 pc.printf("IP: %s, MASK: %s, GW: %s\r\n",
Kevin_Lee 0:29bbc7eec5e1 124 ethernet.getIPAddress(), ethernet.getNetworkMask(), ethernet.getGateway());
Kevin_Lee 0:29bbc7eec5e1 125 return 0;
Kevin_Lee 0:29bbc7eec5e1 126 } else {
Kevin_Lee 0:29bbc7eec5e1 127 pc.printf("Error ethernet.connect() - ret = %d\r\n", ret);
Kevin_Lee 0:29bbc7eec5e1 128 //exit(0);
Kevin_Lee 0:29bbc7eec5e1 129 return -1;
Kevin_Lee 0:29bbc7eec5e1 130 }
Kevin_Lee 0:29bbc7eec5e1 131 } else {
Kevin_Lee 0:29bbc7eec5e1 132 pc.printf("Error ethernet.init() - ret = %d\r\n", ret);
Kevin_Lee 0:29bbc7eec5e1 133 //exit(0);
Kevin_Lee 0:29bbc7eec5e1 134 return -1;
Kevin_Lee 0:29bbc7eec5e1 135 }
Kevin_Lee 0:29bbc7eec5e1 136 /*
Kevin_Lee 0:29bbc7eec5e1 137 TCPSocketServer server;
Kevin_Lee 0:29bbc7eec5e1 138 server.bind(LOOPBACKPORT);
Kevin_Lee 0:29bbc7eec5e1 139 server.listen();
Kevin_Lee 0:29bbc7eec5e1 140
Kevin_Lee 0:29bbc7eec5e1 141 while (1) {
Kevin_Lee 0:29bbc7eec5e1 142 pc.printf("\nWait for new connection...\r\n");
Kevin_Lee 0:29bbc7eec5e1 143 TCPSocketConnection client;
Kevin_Lee 0:29bbc7eec5e1 144 server.accept(client);
Kevin_Lee 0:29bbc7eec5e1 145 client.set_blocking(false, 0); // Timeout=0.
Kevin_Lee 0:29bbc7eec5e1 146 pc.printf("Connection from: %s\r\n", client.get_address());
Kevin_Lee 0:29bbc7eec5e1 147 while (client.is_connected() == true) {
Kevin_Lee 0:29bbc7eec5e1 148 int n = client.receive(buffer, sizeof(buffer));
Kevin_Lee 0:29bbc7eec5e1 149 if(n > 0)
Kevin_Lee 0:29bbc7eec5e1 150 client.send_all(buffer, n);
Kevin_Lee 0:29bbc7eec5e1 151 if(client.is_fin_received())
Kevin_Lee 0:29bbc7eec5e1 152 client.close();
Kevin_Lee 0:29bbc7eec5e1 153 }
Kevin_Lee 0:29bbc7eec5e1 154 pc.printf("Disconnected.\r\n");
Kevin_Lee 0:29bbc7eec5e1 155 }*/
Kevin_Lee 3:cfc6ff08a668 156 }
Kevin_Lee 3:cfc6ff08a668 157
Kevin_Lee 3:cfc6ff08a668 158
Kevin_Lee 3:cfc6ff08a668 159 float temperature_get()
Kevin_Lee 3:cfc6ff08a668 160 {
Kevin_Lee 3:cfc6ff08a668 161 int B = 3975;
Kevin_Lee 3:cfc6ff08a668 162 float val = (ain.read()*1023);
Kevin_Lee 3:cfc6ff08a668 163 float resistance = (float)(1023.0-val)*10000.0/(float)val;
Kevin_Lee 3:cfc6ff08a668 164 float temp = 1/(log(resistance/10000)/B+1/298.15)-273.15;
Kevin_Lee 3:cfc6ff08a668 165 return temp;
Kevin_Lee 3:cfc6ff08a668 166 }
Kevin_Lee 3:cfc6ff08a668 167