Simple HTTP GET and POST with ESP8266.
Dependencies: ESP8266Interface HTTPClient-SSL WebSocketClient mbed-rtos mbed
Fork of ESP8266_HTTP_HelloWorld by
main.cpp
00001 #include "mbed.h" 00002 #include "HTTPClient.h" 00003 #include "ESP8266Interface.h" 00004 #include "TCPSocketConnection.h" 00005 #include "Websocket.h" 00006 00007 const char* ssid = "YOUR_SSID"; 00008 const char* pwd = "YOUR_PWD"; 00009 00010 ESP8266Interface wifi(D8, D2, D7, ssid, pwd, 115200); // TX,RX,Reset,SSID,Password,Baud 00011 RawSerial pc(USBTX, USBRX); // tx, rx 00012 00013 HTTPClient http; 00014 int main() 00015 { 00016 // 115200 baud rate to talk back to the PC 00017 pc.baud(115200); 00018 00019 // need debug messages? check ESP8266Interface/ESP8266/ESP8266.cpp and change the #if 0 to #if 1 00020 00021 pc.printf("\nTrying to connect to %s...!\r\n", ssid); 00022 wifi.init(); //Reset 00023 wifi.connect(); //Use DHCP 00024 00025 pc.printf("Connected to WiFi. IP address = %s\r\n", wifi.getIPAddress()); 00026 00027 // For some reason DNS doesn't work. Just use raw IPs for now. 00028 // GET a page... 00029 { 00030 char buffer[1024]; 00031 HTTPResult ret = http.get("http://54.175.222.246/get", buffer, sizeof(buffer)); //IP address is httpbin.org/get 00032 if (ret == HTTP_OK) { 00033 pc.printf("Page fetched successfully - read %d characters\r\n", strlen(buffer)); 00034 pc.printf("Result: %s\n\r", buffer); 00035 } else { 00036 pc.printf("Error - ret = %d - HTTP return code = %d\r\n", ret, http.getHTTPResponseCode()); 00037 } 00038 } 00039 00040 // POST to a page... 00041 { 00042 HTTPMap map; 00043 char buffer[1024]; 00044 HTTPText inText(buffer, sizeof(buffer)); 00045 map.put("Hello", "World"); 00046 map.put("test", "1234"); 00047 printf("\nTrying to POST data to httpbin.org/post...\r\n"); 00048 HTTPResult ret = http.post("http://54.175.222.246/post", map, &inText); //IP address is httpbin.org/post 00049 if (ret == HTTP_OK) 00050 { 00051 pc.printf("Executed POST successfully - read %d characters\r\n", strlen(buffer)); 00052 pc.printf("Result: %s\n\r", buffer); 00053 } 00054 else 00055 { 00056 pc.printf("Error - ret = %d - HTTP return code = %d\r\n", ret, http.getHTTPResponseCode()); 00057 } 00058 } 00059 } 00060
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