meng gang / Mbed 2 deprecated archlink_Temperture_znrobotics

for znrobotics workshop

Dependencies:   DHT22 HTTPClient SDFileSystem WIZnet_Library mbed

Fork of archlink_Temperture_dweetio by Kevin Lee

This program is for seeed arch link, using wiznet w550 ethernet interface. not compatible with mbed ethernet interface.

Files at this revision

API Documentation at this revision

Revision 5:35f80d88820f, committed 2016-06-16

Comitter:
menggang
Date:
Thu Jun 16 03:09:43 2016 +0000
Parent:
4:81af9a9f7844
Child:
6:dbf5cf5ca7b1
Commit message:
use timer to collect information.

Changed in this revision

BLE_API.lib Show diff for this revision Revisions of this file
DHT.lib Show diff for this revision Revisions of this file
DHT22.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
nRF51822.lib Show diff for this revision Revisions of this file 
--- a/BLE_API.lib	Mon Jul 06 01:55:07 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#9f4251b3355c

--- a/DHT.lib	Mon Jul 06 01:55:07 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://developer.mbed.org/teams/components/code/DHT/#df22ddf10d75

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT22.lib	Thu Jun 16 03:09:43 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/Julepalme/code/DHT22/#7fd3ff04ae95

--- a/main.cpp	Mon Jul 06 01:55:07 2015 +0000
+++ b/main.cpp	Thu Jun 16 03:09:43 2016 +0000
@@ -1,70 +1,73 @@
 /* This is just a demo by Kevin Lee */
 #include "mbed.h"
 #include "SDFileSystem.h"
-#include "BLE.h"
 #include "WIZnetInterface.h"
 #include "HTTPClient.h"
-#include "DHT.h"
-
+#include "DHT22.h"
 
 #define USE_DHCP 0
 #define LOOPBACKPORT  5000
+
 int W5500_Test(void);
 
-float temperature_get();         /* Grove - Temperature Sensor V1.2 */
+float* temperature_get();         /* Grove - Temperature Sensor V1.2 */
+float th[2];
 
 SPI spi(SPI_PSELMOSI0, SPI_PSELMISO0, SPI_PSELSCK0);
 WIZnetInterface ethernet(&spi, p24, p17); // Spi ,cs, reset
 int ret, dummy, lv = 1;
-const char * IP_Addr      = "192.168.21.247";
+const char * IP_Addr      = "192.168.1.123";
 const char * IP_Subnet    = "255.255.255.0";
-const char * IP_Gateway   = "192.168.21.2";
+const char * IP_Gateway   = "192.168.1.1";
+const char * DEVICE_ID    = "933691ed-1f00-4826-953a-d56841f65240";
 unsigned char MAC_Addr[6] = {0x00,0x08,0xDC,0x1C,0xAA,0xCA};
- 
+
+const int time_interval   = 10; // 10 seconds;
+
+// timer event;
+Timeout flipper;
+void timer_ticked();
 
 DigitalOut myled(LED1);
 //Arch Link
 Serial pc(USBTX, USBRX);  /* uart */
-
-
-DHT dht22(A1,DHT22);
+DHT22 dht22(p6);
 
 AnalogIn   ain(A0);
 
 int main() {
     char buffer[256];
     wait(1);
-    pc.baud(115200);
+    pc.baud(9600);
     wait(1);
-    printf("helloworld\r\n");  
     
     if(W5500_Test() == 0) {                  // Internet is ok
         printf("W5500 tested OK \r\n");
         
+        // start timer tick event.
+        flipper.attach(&timer_ticked, timer_interval);
+        
         char str[512];
-        char get_msg[128]= "";
-    
-    /*
-        http://dweet.io/follow/ArchLink
-    */
-        char nameYouWant[] = "ArchLink";
+        char post_data[256]= "";
+        
         while(1)
         {
-            sprintf(get_msg,"http://dweet.io/dweet/for/%s?Temperature=%.2f",nameYouWant,temperature_get());
-            printf("temperature_get: %.2f",temperature_get());
+            float* th = temperature_get();
+            printf("temperature: %.2f -- Humidity: %.2f.\r\n",th[0], th[1]);
+            
+            pc.printf("Posting message to znrobotics server.\r\n");
+            // http://machine.address:port/did/temperature?param1=v1&param2=v2
+            sprintf(post_data, "http://192.168.1.222:3000/temperature?deviceid=%s&temperature=%.2f", DEVICE_ID, th[0]);
+            
             HTTPClient http;
-        
-            pc.printf("Send post message to dweet.io\r\n");
-            pc.printf("msg : %s\r\n",get_msg);
             ret = http.get(get_msg, str, sizeof(str));
             if(!ret)
             {
-            pc.printf("\r\nPage fetched successfully - read %d characters\r\n", strlen(str));
-            pc.printf("Result: %s\r\n", str);
+                pc.printf("Result: %s\r\n", str);
             }
             else
             {
-            pc.printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
+                pc.printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
             }
             wait(10);
        }
@@ -72,14 +75,19 @@
     
     while(1) {
         myled = 1;
-        printf("light1\r\n");
+        printf("light on\r\n");
         wait(3);
         myled = 0;
-        printf("light0\r\n");
+        printf("light off\r\n");
         wait(3);
     }
 }
 
+void timer_ticked()
+{
+    
+}
+
 int W5500_Test(void)
 {
     mbed_mac_address((char *)MAC_Addr); //Use mbed mac addres
@@ -113,17 +121,25 @@
     }
 }
 
-
-float temperature_get()
+float* temperature_get()
 {
-    /*
-    float resistance = (float)(1023.0-val)*10000.0/(float)val;
-    float temp = 1/(log(resistance/10000)/B+1/298.15)-273.15;
-    */ 
-    int B = 3975;
-    float val = (ain.read()*1023);
-    float resistance = (float)(1023.0-val)*10000.0/(float)val;
-    float temp = 1/(log(resistance/10000)/B+1/298.15)-273.15;
-    return temp;
-}
-
+    int error = 0;
+    
+    float temp, hum;
+    
+    error = dht22.sample();
+    
+    // read successfully
+    if (1 == error) {
+        // YOUR CODE GOES HERE, read temperature and humidity
+        temp    = dht22.getTemperature()/10.0f; //TODO;
+        hum     = dht22.getHumidity()/10.0f;  //TODO;
+        th[0]   = temp;
+        th[1]   = hum;
+    // printf("temp: %2.2f  , hum:%2.2f    \r\n",temp,hum);
+    } else {
+        printf("Error: %d\n", error);
+    }
+            
+    return th;
+}
\ No newline at end of file

--- a/nRF51822.lib	Mon Jul 06 01:55:07 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://mbed.org/teams/Nordic-Semiconductor/code/nRF51822/#7c68c8d67e1f