main.cpp

00001 #include "mbed.h"
00002 #include "HTTPClient.h"
00003 
00004 #ifdef TARGET_LPC11U68
00005 #include "WIZnetInterface.h"
00006 #endif
00007 
00008 #if defined(TARGET_WIZWIKI_W7500)
00009 #include "EthernetInterface.h"
00010 #endif
00011 
00012 #define USE_DHCP    0
00013 
00014 const char * IP_Addr    = "IP Address";
00015 const char * IP_Subnet  = "IP Subnet";
00016 const char * IP_Gateway = "IP Gateway";
00017 unsigned char MAC_Addr[6] = {0x00,0x08,0xDC,0x12,0x34,0x56};
00018 
00019 Serial pc(USBTX, USBRX);
00020 
00021 #ifdef TARGET_LPC11U68
00022 SPI spi(P0_9,P0_8,P1_29);
00023 WIZnetInterface ethernet(&spi,P0_2,P1_13);
00024 AnalogIn CDSSensor(P1_9);//Analog A0 input. pgm5537 CDS sensor and 10k resistor.
00025 /******************
00026 VCC     A0      GND
00027  |      |       |
00028  |      |       |
00029  |      |       |
00030  |      |       |
00031  --10k-----CDS---
00032 *******************/
00033 #endif
00034 
00035 #if defined(TARGET_WIZWIKI_W7500)
00036 EthernetInterface ethernet;
00037 Serial pc(USBTX, USBRX);
00038 AnalogIn CDSSensor(PC_15);//Analog A0 input. pgm5537 CDS sensor and 10k resistor.
00039 #endif
00040 
00041 
00042 int main() {
00043 
00044     mbed_mac_address((char *)MAC_Addr); //Use mbed mac addres
00045     pc.baud(115200);
00046     #if USE_DHCP
00047     int ret = ethernet.init(MAC_Addr);
00048     #else
00049     int ret = ethernet.init(MAC_Addr,IP_Addr,IP_Subnet,IP_Gateway);
00050     #endif
00051     if (!ret) {
00052         pc.printf("Initialized, MAC: %s\r\n", ethernet.getMACAddress());
00053         ret = ethernet.connect();
00054         if (!ret) {
00055             pc.printf("IP: %s, MASK: %s, GW: %s\r\n",
00056                       ethernet.getIPAddress(), ethernet.getNetworkMask(), ethernet.getGateway());
00057         } else {
00058             pc.printf("Error ethernet.connect() - ret = %d\r\n", ret);
00059             exit(0);
00060         }
00061     } else {
00062         pc.printf("Error ethernet.init() - ret = %d\r\n", ret);
00063         exit(0);
00064     }
00065     
00066     char str[512] = "";
00067     char get_msg[128]= "";
00068     
00069     /*
00070         http://dweet.io/follow/nameYouWant
00071     */
00072     char nameYouWant[] = "nameYouWant";
00073     while(1)
00074     {
00075         sprintf(get_msg,"http://dweet.io/dweet/for/%s?a0=%d",nameYouWant,(int)(CDSSensor.read()*1000));
00076         HTTPClient http;
00077         
00078         pc.printf("Send post message to dweet.io\r\n");
00079         pc.printf("msg : %s\r\n",get_msg);
00080         ret = http.get(get_msg, str, sizeof(str));
00081         if(!ret)
00082         {
00083           pc.printf("\r\nPage fetched successfully - read %d characters\r\n", strlen(str));
00084           pc.printf("Result: %s\r\n", str);
00085         }
00086         else
00087         {
00088           pc.printf("Error - ret = %d - HTTP return code = %d\n", ret, http.getHTTPResponseCode());
00089         }
00090         wait(10);
00091     }
00092    
00093 }