Revision 5:6c7d2f4d7377, committed 2016-02-04

Comitter:

JCheng

Date:

Thu Feb 04 09:52:26 2016 +0000

Parent:

4:36e214ebfa56

Child:

6:f1e7916a9999

Commit message:

initial version or collaboration.; DTH11 supported.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT.lib	Thu Feb 04 09:52:26 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/teams/components/code/DHT/#df22ddf10d75

--- a/main.cpp	Wed Sep 30 19:49:02 2015 +0000
+++ b/main.cpp	Thu Feb 04 09:52:26 2016 +0000
@@ -4,22 +4,31 @@
 #include <string>
 #include <vector>
 #include <algorithm>
+#include "DHT.h"
+ 
+DHT sensor(PB_1, DHT11);
 
 // these options must match the settings on your Conduit
 // uncomment the following lines and edit their values to match your configuration
-//static std::string config_network_name = "<lora network id>";
-//static std::string config_network_pass = "<lora network key>";
-//static uint8_t config_frequency_sub_band = 1;
+static std::string config_network_name = "chinaiot";
+static std::string config_network_pass = "password";
+static uint8_t config_frequency_sub_band = 2;
 
 int main() {
     int32_t ret;
     mDot* dot;
     std::vector<uint8_t> data;
-    std::string data_str = "hello!";
-    
+    std::vector<uint8_t> send_data;
+    std::string data_str = "T&H Sensors";
+    int error = 0;
+//    float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
+    float h = 0.0f, c = 0.0f;
+ 
+ 
     // get a mDot handle
     dot = mDot::getInstance();
-    
+
+
     // print library version information
     logInfo("version: %s", dot->getId().c_str());
 
@@ -28,12 +37,12 @@
     //*******************************************
     // reset to default config so we know what state we're in
     dot->resetConfig();
-    
+
     dot->setLogLevel(mts::MTSLog::INFO_LEVEL);
 
     // set up the mDot with our network information: frequency sub band, network name, and network password
     // these can all be saved in NVM so they don't need to be set every time - see mDot::saveConfig()
-    
+
     // frequency sub band is only applicable in the 915 (US) frequency band
     // if using a MultiTech Conduit gateway, use the same sub band as your Conduit (1-8) - the mDot will use the 8 channels in that sub band
     // if using a gateway that supports all 64 channels, use sub band 0 - the mDot will use all 64 channels
@@ -41,17 +50,17 @@
     if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
         logError("failed to set frequency sub band %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     logInfo("setting network name");
     if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
         logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     logInfo("setting network password");
     if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
         logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     // a higher spreading factor allows for longer range but lower throughput
     // in the 915 (US) frequency band, spreading factors 7 - 10 are available
     // in the 868 (EU) frequency band, spreading factors 7 - 12 are available
@@ -59,13 +68,13 @@
     if ((ret = dot->setTxDataRate(mDot::SF_10)) != mDot::MDOT_OK) {
         logError("failed to set TX datarate %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     // request receive confirmation of packets from the gateway
     logInfo("enabling ACKs");
     if ((ret = dot->setAck(1)) != mDot::MDOT_OK) {
         logError("failed to enable ACKs %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
     }
-    
+
     // save this configuration to the mDot's NVM
     logInfo("saving config");
     if (! dot->saveConfig()) {
@@ -87,6 +96,9 @@
     for (std::string::iterator it = data_str.begin(); it != data_str.end(); it++)
         data.push_back((uint8_t) *it);
 
+    char dataBuf[11];
+    int thflag=0;
+    
     while (true) {
         // send the data to the gateway
         if ((ret = dot->send(data)) != mDot::MDOT_OK) {
@@ -97,7 +109,36 @@
 
         // in the 868 (EU) frequency band, we need to wait until another channel is available before transmitting again
         osDelay(std::max((uint32_t)5000, (uint32_t)dot->getNextTxMs()));
+
+        wait(2.0f);
+        error = sensor.readData();
+        if (0 == error) {
+            c   = sensor.ReadTemperature(CELCIUS);
+//            f   = sensor.ReadTemperature(FARENHEIT);
+//            k   = sensor.ReadTemperature(KELVIN);
+            h   = sensor.ReadHumidity();
+//            dp  = sensor.CalcdewPoint(c, h);
+//            dpf = sensor.CalcdewPointFast(c, h);
+            printf("Temperature: %4.2f Humidity: %4.2f\n\n", c, h);
+
+        if (thflag==0) {
+                sprintf(dataBuf, "T:%4.2f", c);
+                thflag=1;
+                } else {
+                    sprintf(dataBuf, "H:%4.2f", h);
+                    thflag=0;
+                }
+                    
+        data.clear();
+        // probably not the most efficent way to do this
+        for( int i=0; i< strlen(dataBuf); i++ )
+            data.push_back( dataBuf[i] );
+
+        } else {
+            printf("Error: %d\n", error);
+        }
+
     }
 
-    return 0;
+//    return 0;
 }