Simple HTTP GET and POST with ESP8266.
Dependencies: ESP8266Interface HTTPClient-SSL WebSocketClient mbed-rtos mbed
Fork of ESP8266_HTTP_HelloWorld by
Diff: main.cpp
- Revision:
- 19:cd46817e9acf
- Parent:
- 18:3209e51b731a
- Child:
- 20:056e849ebfa4
--- a/main.cpp Tue Jun 09 17:49:47 2015 +0000
+++ b/main.cpp Tue May 03 13:41:35 2016 +0000
@@ -4,41 +4,57 @@
#include "TCPSocketConnection.h"
#include "Websocket.h"
-ESP8266Interface wifi(D1,D0,D2,"demossid","password",115200); // TX,RX,Reset,SSID,Password,Baud
+const char* ssid = "janUK";
+const char* pwd = "0624710192";
+
+ESP8266Interface wifi(D8, D2, D7, ssid, pwd, 115200); // TX,RX,Reset,SSID,Password,Baud
RawSerial pc(USBTX, USBRX); // tx, rx
+
HTTPClient http;
-char str[512];
int main()
{
- pc.baud(9600);
+ // 115200 baud rate to talk back to the PC
+ pc.baud(115200);
+
+ // need debug messages? check ESP8266Interface/ESP8266/ESP8266.cpp and change the #if 0 to #if 1
+
+ pc.printf("\nTrying to connect to %s...!\r\n", ssid);
wifi.init(); //Reset
wifi.connect(); //Use DHCP
- //GET
- pc.printf("\nTrying to fetch page using GET...\n\r");
- int ret = http.get("http://54.175.222.246/get", str, 512);//IP address is httpbin.org/get
- if (!ret) {
- pc.printf("Page fetched successfully - read %d characters\n\r", strlen(str));
- pc.printf("Result: %s\n\r", str);
- } else {
- pc.printf("Error - ret = %d - HTTP return code = %d\n\r", ret, http.getHTTPResponseCode());
+ pc.printf("Connected to WiFi. IP address = %s\r\n", wifi.getIPAddress());
+
+ // For some reason DNS doesn't work. Just use raw IPs for now.
+ // GET a page...
+ {
+ char buffer[1024];
+ HTTPResult ret = http.get("http://54.175.222.246/get", buffer, sizeof(buffer)); //IP address is httpbin.org/get
+ if (ret == HTTP_OK) {
+ pc.printf("Page fetched successfully - read %d characters\r\n", strlen(buffer));
+ pc.printf("Result: %s\n\r", buffer);
+ } else {
+ pc.printf("Error - ret = %d - HTTP return code = %d\r\n", ret, http.getHTTPResponseCode());
+ }
}
- //POST
- HTTPMap map;
- HTTPText inText(str, 512);
- map.put("Hello", "World");
- map.put("test", "1234");
- printf("\nTrying to POST data to httpbin.org/post...\n\r");
- ret = http.post("http://54.175.222.246/post", map, &inText);//IP address is httpbin.org/post
- if (!ret)
+
+ // POST to a page...
{
- printf("Executed POST successfully - read %d characters\n\r", strlen(str));
- printf("Result: %s\n\r", str);
+ HTTPMap map;
+ char buffer[1024];
+ HTTPText inText(buffer, sizeof(buffer));
+ map.put("Hello", "World");
+ map.put("test", "1234");
+ printf("\nTrying to POST data to httpbin.org/post...\r\n");
+ HTTPResult ret = http.post("http://54.175.222.246/post", map, &inText); //IP address is httpbin.org/post
+ if (ret == HTTP_OK)
+ {
+ pc.printf("Executed POST successfully - read %d characters\r\n", strlen(buffer));
+ pc.printf("Result: %s\n\r", buffer);
+ }
+ else
+ {
+ pc.printf("Error - ret = %d - HTTP return code = %d\r\n", ret, http.getHTTPResponseCode());
+ }
}
- else
- {
- printf("Error - ret = %d - HTTP return code = %d\n\r", ret, http.getHTTPResponseCode());
- }
-
}
