Diff: ESP01.cpp

Revision:

6:54b89962c798

Child:

7:8c6f56470ba7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP01.cpp	Sat May 25 18:07:23 2019 +0000
@@ -0,0 +1,182 @@
+#include "ESP01.h"
+
+// Constructor
+ESP01::ESP01(PinName tx, PinName rx, int br) : comm(tx, rx) {
+    comm.baud(br);
+}
+
+// Destructor
+ESP01::~ESP01() { }
+
+// Add <CR> + <LF> at the end of the string
+void ESP01::AddEOL(char * s) {
+    char k   = strlen(s); // Finds position of NULL character
+    s[k]     = '\r';    // switch NULL for <CR>
+    s[k + 1] = '\n';    // Add <LF>
+    s[k + 2] = '\0';    // Add NULL at the end
+}
+
+// Add one ASCII character at the end of the string
+void ESP01::AddChar(char * s, char c) {
+    char k   = strlen(s);
+    s[k]     = c;
+    s[k + 1] = '\0';
+}
+
+// Sends command to ESP01. Receives the command string
+void ESP01::SendCMD(char* s) {
+    comm.printf("%s%s", s, CMD_END);
+}
+
+// Resets the ESP01
+void ESP01::Reset(void) {
+    SendCMD("AT+RST");
+}
+
+// Receive reply until no character is received after a given timeout in miliseconds
+bool ESP01::RcvReply(char* r, int to) {
+    Timer t;
+    strcpy(r, "");
+    t.start();
+    
+    do {
+        if(comm.readable()) {
+            AddChar(r, comm.getc());
+            t.start();
+        }
+    } while(t.read_ms() < to);
+
+    AddChar(r, '\0');
+    return r[0] != '\0';
+}
+
+// Gets the AP list. Parameter: the string to receive the list
+bool ESP01::GetList(char *l) {
+    SendCMD("AT+CWLAP");
+    return RcvReply(l, 5000); // Needs big timeout because it takes long to start replying
+}
+
+// Joins a Wifi AP. Parameters: SSID and Password (strings)
+void ESP01::Join(char *id, char *pwd) {
+    char cmd[255];
+    sprintf(cmd, "AT+CWJAP=\"%s\",\"%s\"", id, pwd);
+    SendCMD(cmd);
+}
+
+// Gets ESP IP. Parameter: string to contain IP
+bool ESP01::GetIP(char *ip) {
+    SendCMD("AT+CIFSR");
+    return RcvReply(ip, 2000);
+}
+
+//Defines wifi mode; Parameter: mode; 1= STA, 2= AP, 3=both
+void ESP01::SetMode(WiFiMode mode) {
+    char cmd[15];
+    strcpy(cmd, "AT+CWMODE=");
+    AddChar(cmd, mode + '0'); // Completes command string
+    SendCMD(cmd);
+}
+
+// Quits the AP
+void ESP01::Quit(void) {
+    SendCMD("AT+CWQAP");
+}
+
+// Sets single connection
+void ESP01::SetSingle(void) {
+    SendCMD("AT+CIPMUX=0");
+}
+
+// Sets multiple connection
+void ESP01::SetMultiple(void) {
+    SendCMD("AT+CIPMUX=1");
+}
+
+// Gets connection status. Parameter: string to contain status
+bool ESP01::GetConnStatus(char * st) {
+    SendCMD("AT+CIPSTATUS");
+    return RcvReply(st, 2000);
+}
+
+// Starts server mode. Parameter: port to be used
+void ESP01::StartServerMode(int port) {
+    char rs[25];
+    sprintf(rs, "AT+CIPSERVER=1,%d", port);
+    SendCMD(rs);
+}
+
+// Close server mode.
+void ESP01::CloseServerMode(void) {
+    SendCMD("AT+CIPSERVER=0");
+}
+
+void ESP01::setTransparent(void){
+    SendCMD("AT+CIPMODE=0");
+}
+
+void ESP01::startTCPConn(char *IP, int port){
+    char rs[100];
+    sprintf(rs, "AT+CIPSTART=0,\"TCP\",\"%s\",%d", IP, port);
+    SendCMD(rs);
+}
+
+void ESP01::sendURL(char *URL, char* IP, char *command){
+    char snd[20], http_cmd[300];
+
+    sprintf(http_cmd, "GET %s HTTP/1.1%sHost: %s%sConnection: close%s%s", URL, CMD_END, IP, CMD_END, CMD_END, CMD_END);
+    sprintf(snd,"AT+CIPSEND=0,%d",strlen(http_cmd));
+    strcpy(command, http_cmd);
+    
+    SendCMD(snd);
+    wait(1);
+    SendCMD(http_cmd);
+}
+    
+void ESP01::deepsleep(size_t ms) {
+    char snd[20];
+    sprintf(snd, "AT+GSLP=%d", ms);
+    SendCMD(snd);
+}
+
+//------------------   FUNCIONES QUE YO HE AGREGADO  ------------------//
+// Starts SmartConfig
+void ESP01::StartSmartConfig(void){
+    SendCMD("AT+CWSTARTSMART=1");  
+}
+
+//Disable Echo
+void ESP01::DisableEcho(void) {
+    SendCMD("ATE0");
+}
+
+//Enable DHCP
+void ESP01::EnableDHCP(void){
+    SendCMD("AT+CWDHCP=1,1");
+}
+
+// Receive reply until no character is received after a given timeout in miliseconds
+void ESP01::RcvSingleReply(char * r) {
+    bool ended = 0;
+    char c;
+    
+    strcpy(r, "");
+    while(!ended) {
+        if(comm.readable()) {
+            c = comm.getc();
+            AddChar(r, c);
+        }
+        if(c == 0x0D) {
+                ended = 1;
+        }
+    }
+    //AddChar(r, 0x00);
+}
+
+// Gets connection status code. Parameter: string to contain status
+void ESP01::GetConnStatusCode(char * st) {
+    char cmd[15];
+    strcpy(cmd, "AT+CIPSTATUS");
+    SendCMD(cmd);
+    RcvSingleReply(st);
+}
+    
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