main.cpp

00001 #define POST_URL             "https://{subdomain}.cybozu.com/k/v1/record.json"
00002 #define APP_ID               999
00003 #define API_TOKEN            "xxx"
00004 #define BASIC64              "xxx"
00005 #define DEMO_AP_SSID         "xxx"
00006 #define DEMO_AP_SECUTIRY_KEY "xxx"
00007 #define INTERVAL             60
00008 
00009 #include "mbed.h"
00010 #include "LM75B.h"
00011 #include "C12832.h"
00012 #include "HTTPClient.h"
00013 #include "SNIC_WifiInterface.h"
00014 
00015 C12832 lcd(p5, p7, p6, p8, p11);
00016 LM75B sensor(p28, p27);
00017 
00018 #if defined(TARGET_LPC1768)
00019 C_SNIC_WifiInterface     wifi( p9, p10, NC, NC, p30 );
00020 #elif defined(TARGET_NUCLEO_F401RE) || defined(TARGET_NUCLEO_L152RE)
00021 C_SNIC_WifiInterface     wifi( D8, D2, NC, NC, D3);
00022 #elif defined(TARGET_K64F)
00023 C_SNIC_WifiInterface     wifi( D1, D0, NC, NC, D2);
00024 #endif
00025 #define DEMO_AP_SECURITY_TYPE e_SEC_WPA2_AES
00026 
00027 
00028 
00029 void display(char *message)
00030 {
00031     lcd.cls();
00032     lcd.locate(0,3);
00033     lcd.printf("%s", message);
00034     wait(0.1);
00035 }
00036 
00037 void post(void)
00038 {
00039     HTTPClient http;
00040     HTTPResult ret;
00041     char str[512];
00042     char message[128];
00043 
00044     HTTPText inText(str, 1024);
00045 
00046     char post_template[] = "{\"app\": %i, \"record\": {\"temp\": {\"value\": \"%.1f\"}}}\n";
00047     char header_template[] = "X-Cybozu-API-Token: %s\nContent-Type: application/json\n";
00048     char header_template_basic[] = "Authorization:Basic %s\nX-Cybozu-API-Token: %s\nContent-Type: application/json\n";
00049     char post_data[256];
00050     char header_data[256];
00051     
00052     // Basic Authentications
00053     if (BASIC64 != "") {
00054         sprintf(header_data, header_template_basic, BASIC64, API_TOKEN);
00055     } else {
00056         sprintf(header_data, header_template, API_TOKEN);
00057     }
00058     sprintf(post_data, post_template, APP_ID, (float)sensor);
00059 
00060     HTTPText outText(post_data, strlen(post_data));
00061 
00062     http.setHeader(header_data) ;
00063     http.setSSLversion(3) ; /* TLSv1.2 */
00064     ret = http.post(POST_URL, outText, &inText);
00065     if (ret == HTTP_OK) {
00066         sprintf(message, "OK: %s", str);
00067         display(message);
00068     } else {
00069         sprintf(message, "ERROR: %d", http.getHTTPResponseCode());
00070         display(message);
00071     }
00072 }
00073 
00074 int main()
00075 {
00076     int check = 0;
00077     char message[128];
00078 
00079     // Initialize Wi-Fi interface
00080     check = wifi.init();
00081     if (check != 0) {
00082         display("Wifi could not be initialized");
00083         return -1;
00084     } else {
00085         display("wifi initialized successfully");
00086     }
00087     wait(0.5);
00088 
00089     // good form to make sure you are disconnected from all AP's
00090     check = wifi.disconnect();
00091     if (check != 0) {
00092         display("disconnect failed");
00093         return -1;
00094     } else {
00095         display("disconnection successful");
00096     }
00097     wait(0.3);
00098 
00099     // Connect AP
00100     wifi.connect( DEMO_AP_SSID
00101                   , strlen(DEMO_AP_SSID)
00102                   , DEMO_AP_SECURITY_TYPE
00103                   , DEMO_AP_SECUTIRY_KEY
00104                   , strlen(DEMO_AP_SECUTIRY_KEY) );
00105     wait(0.5);
00106 
00107     // Get DHCP IP
00108     check = wifi.setIPConfig(true);
00109     if (check != 0) {
00110         display("SetIPConfig failed");
00111         return -1;
00112     } else {
00113         display("SetIPConfig successful");
00114     }
00115     sprintf(message, "IP: %s", wifi.getIPAddress());
00116     display(message);
00117 
00118     while (true) {
00119         post();
00120         wait(INTERVAL);        
00121     }
00122 
00123     wifi.disconnect();
00124 }