Revision 0:47830fe8d357, committed 2020-11-19

Comitter:

zvonimir

Date:

Thu Nov 19 11:42:27 2020 +0000

Commit message:

Upravljanje wifi modulom esp826601.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP826601/ES826601.cpp	Thu Nov 19 11:42:27 2020 +0000
@@ -0,0 +1,96 @@
+#include "ESP826601.h"
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX, 115200);
+Serial esp(p28, p27, 115200);
+DigitalOut reset(p26);
+
+bool flag = false;
+bool flagConnection = false;
+bool flagSend = false;
+
+char connection = '0';
+
+char command[500]; 
+int counter = 0;
+
+Esp::Esp(){}
+
+void Esp::init(void){
+    reset = 0;
+    wait(0.2);
+    reset = 1;
+    wait(5);
+    esp.attach(&ESP_interrupt, Serial::RxIrq);
+    pc.printf("------------\n");
+}
+
+void Esp::send(char* text){
+    pc.printf("PC: ");
+    pc.printf(text);
+    pc.putc('\r');
+    esp.printf(text);
+    esp.printf("\r\n");
+}
+
+void Esp::waitResponse(){
+    while(!flag){
+        wait_ms(100);    
+    }
+    flag = false;  
+}
+
+void Esp::waitConnection(){
+    while(!flagConnection){
+        wait_ms(100);   
+    }  
+    flagConnection = false;  
+    
+    esp.printf("AT+CIPSEND=");
+    esp.putc(connection);
+    esp.printf(",20\r\n");
+    
+    Esp::waitResponse();
+}
+
+void Esp::closeConnection(){
+    while(!flagSend){
+        wait_ms(100); 
+    }
+    flagSend = false;
+    
+    esp.printf("AT+CIPCLOSE=");
+    esp.putc(connection);
+    esp.printf("\r\n");
+    
+    Esp::waitResponse();
+}
+
+void Esp::printToPC(char* text){
+    pc.printf(text);
+}
+
+void Esp::printToPC(char c){
+    pc.putc(c);
+}
+
+void ESP_interrupt(){
+    char c = esp.getc();
+    if(c == '\n' || c == '\r'){
+        if(counter != 0){
+            pc.printf("ESP: ");
+            for(int i=0; i<counter; i++) pc.putc(command[i]);
+            pc.putc('\r');
+            counter = 0;
+            if(command[0] == 'O' && command[1] == 'K') flag = true;
+            if(command[2] == 'C' && command[3] == 'O' && command[4] == 'N' && command[5] == 'N') {
+                connection = command[0];
+                flagConnection = true;
+            }
+            if(command[0] == 'S' && command[1] == 'E' && command[2] == 'N' && command[3] == 'D') flagSend = true;
+        }
+    }else {
+        command[counter] = c;
+        counter++;  
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP826601/ESP826601.h	Thu Nov 19 11:42:27 2020 +0000
@@ -0,0 +1,20 @@
+#ifndef ESP826601_H
+#define ESP826601_H
+
+#include "mbed.h"
+
+void ESP_interrupt();
+
+class Esp{
+    public: 
+        Esp(void);
+        void init(void);
+        void waitResponse(void);
+        void waitConnection(void);
+        void closeConnection(void);
+        void send(char* text);
+        void printToPC(char* text);
+        void printToPC(char c);
+};
+
+#endif 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 19 11:42:27 2020 +0000
@@ -0,0 +1,33 @@
+#include "mbed.h"
+#include "ESP826601.h"
+
+Esp ESP;
+DigitalOut myled(LED1);
+Ticker tick;
+
+void readData(){
+    myled = !myled;
+}
+
+int main() {
+    tick.attach(&readData, 0.5);
+    
+    ESP.init();
+    ESP.send("AT+CIFSR");
+    ESP.waitResponse();
+    ESP.send("AT+CIPMUX=1");
+    ESP.waitResponse();
+    ESP.send("AT+CIPSERVER=1,80");
+    ESP.waitResponse();
+    
+    tick.detach();
+    myled = 0;
+    
+    while(1){
+        ESP.waitConnection();
+        ESP.send("Pozdrav od Zvonimira");
+        ESP.closeConnection();
+    }
+}
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Nov 19 11:42:27 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file