Diff: main.cpp

Revision:

0:beeeb5671c2a

Child:

1:b6e184239fba

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Oct 31 22:35:23 2015 +0000
@@ -0,0 +1,103 @@
+#include <string.h>
+#include "mbed.h"
+ 
+Serial pc(USBTX, USBRX); // tx, rx
+Serial serial6(D1, D0); // tx, rx
+DigitalOut led1(LED1);
+
+int ESP8266limitResponse = 999999;
+
+char ESP8266okStr[] = "OK\r\n";
+char ESP8266getStr[] = "OK\r\n> ";
+char ESP8266readyStr[] = "ready\r\n";
+char ESP8266sendStr[] = "SEND OK\r\n\r\n";
+char ESP8266closedStr[] = "CLOSED\r\n";
+
+bool ESP8266readResponse(char* delimiter, char* response) {
+    int i = 0, j = 0;
+    char c;
+    
+    while(j<ESP8266limitResponse) {
+        c = serial6.getc();
+        response[j++] = c;
+        
+        if(c == delimiter[i]) {
+            i++;
+            
+            if(delimiter[i] == '\0') {
+                response[j] = '\0';
+                return true;
+            };
+        } else {
+            i = 0;
+        };
+    };
+    
+    response[j] = '\0';
+    return false;
+};
+
+void ESP8266init(char* ssid, char* password) {
+    led1 = 0;
+    
+    pc.baud(115200);
+    serial6.baud(115200);
+    
+    pc.printf("Hello!\r\n");
+    
+    pc.printf("ESP8266... ");
+    serial6.printf("AT+RST\r\n");
+    ESP8266readResponse(ESP8266okStr, NULL);
+    ESP8266readResponse(ESP8266readyStr, NULL);
+    pc.printf("ready!\r\n");
+    
+    pc.printf("Client mode... ");
+    serial6.printf("AT+CWMODE=1\r\n");
+    ESP8266readResponse(ESP8266okStr, NULL);
+    pc.printf("done!\r\n");
+    
+    pc.printf("Wi-Fi connection... ");
+    serial6.printf("AT+CWJAP=\"%s\",\"%s\"\r\n", ssid, password);
+    ESP8266readResponse(ESP8266okStr, NULL);
+    pc.printf("done!\r\n");
+    
+    led1 = 1;
+};
+
+void ESP8266get(char* domain, char* url, char* response) {
+    int n1, n2;
+    
+    n1 = strlen(domain);
+    n2 = strlen(url);
+    
+    pc.printf("Connection at server... ");
+    serial6.printf("AT+CIPSTART=\"TCP\",\"%s\",80\r\n", domain);
+    ESP8266readResponse(ESP8266okStr, NULL);
+    pc.printf("done!\r\n");
+    
+    pc.printf("Sending # chars... ");
+    serial6.printf("AT+CIPSEND=%d\r\n", 11+n1+1+n2+13);
+    ESP8266readResponse(ESP8266getStr, NULL);
+    pc.printf("done!\r\n");
+    
+    pc.printf("Sending request... ");
+    serial6.printf("GET http://%s/%s HTTP/1.0\r\n\r\n", domain, url);
+    ESP8266readResponse(ESP8266sendStr, NULL);
+    ESP8266readResponse(ESP8266closedStr, response);
+    pc.printf("done!\r\n");
+};
+
+int main() {
+    char response[ESP8266limitResponse];
+    char domain[] = "gabrieledisimone.it";
+    char url[] = "";
+    
+    ESP8266init("Telecom-47520601", "famigliaquino2000router10");
+    
+    ESP8266get(domain, url, response);
+    
+    pc.printf("response:\r\n%s", response);
+    while(1) {
+        pc.putc(serial6.getc());
+    };
+};
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