Diff: main.cpp

Revision:

0:0cbe113243b8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 27 22:46:39 2011 +0000
@@ -0,0 +1,174 @@
+//---------------------------------------------------------------------------------------------
+/*
+Copyright (c) 2010 ARM Ltd
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+//---------------------------------------------------------------------------------------------
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "SuperTweetV1XML.h"
+#include "twitter_config.h"
+//---------------------------------------------------------------------------------------------
+DigitalOut myled(LED1);
+DigitalIn button(p20);
+Serial pc(USBTX, USBRX); // tx, rx
+//---------------------------------------------------------------------------------------------
+#define internaldebug // send debug messages to USB Serial port (9600,1,N)
+//#define dhcpenable    // auto-setup IP Address from DHCP router
+//---------------------------------------------------------------------------------------------
+// Ethernet Object Setup
+//---------------------------------------------------------------------------------------------
+#ifdef dhcpenable
+  EthernetNetIf eth;  
+#else
+  EthernetNetIf eth(
+    IpAddr(192,168,1,100), //IP Address
+    IpAddr(255,255,255,0), //Network Mask
+    IpAddr(192,168,1,254), //Gateway
+    IpAddr(192,168,1,254)  //DNS
+  );
+#endif
+//---------------------------------------------------------------------------------------------
+// GLOBAL VARS / FUNCTIONS
+//---------------------------------------------------------------------------------------------
+// SuperTweet - Twitter account data (twitter_config.h)
+//#define YOUR_ACCOUNT    "twitterid"
+//#define YOUR_PASSWORD   "passwd"
+
+SuperTweetV1XML st(YOUR_ACCOUNT, YOUR_PASSWORD);
+
+/**
+ * Callback function for postStatusesUpdate.
+ *
+ * @param buf A pointer to a buffer.
+ * @param siz A size of the buffer.
+ */
+void func(char *buf, size_t siz) 
+{
+#if 0
+    // This is for checking a response.     
+    for(int i = 0; i < siz; i++)
+    { 
+      printf("%c", buf[i]);
+    }
+#endif
+}
+//---------------------------------------------------------------------------------------------
+// MISC
+//---------------------------------------------------------------------------------------------
+// Hack - Expose 'special' internal mbed ethernet functions
+extern "C" void mbed_reset();
+//extern "C" void mbed_mac_address(char *mac);
+
+//---------------------------------------------------------------------------------------------
+// Global Functions
+//---------------------------------------------------------------------------------------------
+void SendTweet(char *pMessage)
+{   
+  #ifdef internaldebug
+    printf("\r\n %s \r\n",pMessage);
+  #endif  
+
+  HTTPResult r = st.postStatusesUpdate(std::string(pMessage), func);
+  printf("r=%d\n", (int)r);
+  /*
+  * Note:
+  * I don't know why sometime it get a error.
+  * I think it a bug in a mbed library.
+  */
+  if (r != 0) 
+  {
+    printf("Resetting...\n");
+    mbed_reset();
+  }    
+}
+//---------------------------------------------------------------------------------------------
+// MAIN
+//---------------------------------------------------------------------------------------------
+int main() 
+{
+  char text[1024];
+  
+  // Set Serial Port Transfer Rate
+  pc.baud(115200);    
+
+  //--------------------------------------------------------
+  // Setting Ethernet
+  //--------------------------------------------------------    
+  #ifdef internaldebug
+    printf("\r\nSetting up Ethernet interface!\r\n");
+  #endif
+  // Create return object for error check
+  EthernetErr ethErr = eth.setup(); 
+  if(ethErr)
+  {
+    #ifdef internaldebug
+      printf("\r\nError %d in Ethernet setup.\r\n", ethErr);
+    #endif
+    return -1;
+  }
+  #ifdef internaldebug
+    printf("\r\nEthernet setup completed with success!\r\n");
+  #endif  
+  //--------------------------------------------------------    
+
+  wait(5);
+
+  //--------------------------------------------------------    
+  // Post IP/MAC address into Twitter
+  //--------------------------------------------------------    
+  // Get IP Address
+  IpAddr ip = eth.getIp();
+  
+  // Sending Twitter Message
+  snprintf(text, sizeof(text), "Auto-posting from ARM Microcontroller mbed NXP LPC1768 from: %d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]); 
+
+  SendTweet(&text[0]);  
+  //--------------------------------------------------------    
+
+  // main loop
+  bool flag_sending = false;
+  while(1) 
+  {  
+    if(!button)
+    {
+      if(flag_sending)
+        continue;
+    
+      myled = 1;
+
+      // Sending Twitter Message (custom)
+      snprintf(text, sizeof(text), "Button Pressed Message sent from ARM Microcontroller mbed NXP LPC1768"); 
+
+      SendTweet(&text[0]);        
+      
+      flag_sending = true;
+    }
+    else
+    {
+      myled = 0;
+      flag_sending = false;
+    }
+
+    // debounce time!
+    wait(0.1);
+  }
+}
+//---------------------------------------------------------------------------------------------
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