Diff: ESP8266.cpp

Revision:

8:80048194de79

Child:

9:dcf3aa250bc1

Child:

10:965fbbf4169d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP8266.cpp	Thu Jul 23 21:25:06 2015 +0000
@@ -0,0 +1,148 @@
+/* ESP8266 Example
+ * Copyright (c) 2015 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+#include "ESP8266.h"
+
+ESP8266::ESP8266(PinName tx, PinName rx)
+: serial(tx, rx), atParser(&serial)
+{
+    serial.baud(115200);
+}
+
+
+bool ESP8266::startup(void)
+{
+    return (atParser.send("AT") && atParser.recv("OK"));
+}
+bool ESP8266::reset(void)
+{
+    return (atParser.send("AT+RST") && atParser.recv("OK\r\nready"));
+}
+bool ESP8266::wifiMode(int mode)
+{
+    //only 3 valid modes
+    if(mode < 1 || mode > 3)
+        return false;
+    
+    char modestr[1];
+    sprintf(modestr,"%d",mode);
+    string mode_command = "AT+CWMODE="+string(modestr);
+    return (atParser.send(mode_command.c_str()) && atParser.recv("OK"));   
+}
+bool ESP8266::multipleConnections(bool enabled)
+{
+    int on = (int)enabled;
+    char enable[1];
+    sprintf(enable,"%d",on);
+    string mux_command = "AT+CIPMUX="+string(enable);
+    return (atParser.send(mux_command.c_str()) && atParser.recv("OK"));  
+}
+bool ESP8266::dhcp(int mode, bool enabled)
+{
+    //only 3 valid modes
+    if(mode < 0 || mode > 2)
+        return false;
+        
+    int on = (int)enabled;
+    char enable[1];
+    sprintf(enable,"%d",on);
+    char modestr[1];
+    sprintf(modestr,"%d",mode);
+    string mode_command = "AT+CWDHCP="+string(modestr)+","+string(enable);
+    return (atParser.send(mode_command.c_str()) && atParser.recv("OK"));
+}
+
+bool ESP8266::connect(const char *ap, const char *passPhrase)
+{
+    string connect_command = "AT+CWJAP=\""+(string)ap+"\",\""+(string)passPhrase+"\"";
+    return (atParser.send(connect_command.c_str()) && atParser.recv("OK")); 
+}
+
+bool ESP8266::disconnect(void)
+{
+    return (atParser.send("AT+CWQAP") && atParser.recv("OK"));
+}
+
+bool ESP8266::getIPAddress(char* ip)
+{
+    return (atParser.send("AT+CIPSTA?") && atParser.recv("+CIPSTA:\"%[^\"]\"", ip));
+}
+bool ESP8266::isConnected(void) 
+{
+    char* ip;
+    return getIPAddress(ip);
+}
+bool ESP8266::openSocket(string sockType, int id, int port, char* addr)
+{
+    //IDs only 0-4
+    if(id > 4)
+        return false;
+    
+    char portstr[5];
+    char idstr[2];
+    sprintf(idstr,"%d",id);
+    sprintf(portstr, "%d", port);
+
+    string start_command = "AT+CIPSTART="+(string)idstr+",\""+sockType+"\",\""+(string)addr+"\","+(string)portstr;
+    if (!(atParser.send(start_command.c_str()) && atParser.recv("OK"))){
+        return false;//opening socket not succesful
+    }
+    return true;
+    
+}
+
+bool ESP8266::sendData(int id, const void *data, uint32_t amount)
+{
+    char idstr[2];
+    sprintf(idstr,"%d",id);
+    char lenstr[5];
+    sprintf(lenstr,"%d",(int)amount);
+    
+    string send_command = "AT+CIPSEND="+(string)idstr+","+(string)lenstr;
+    if(!atParser.send(send_command.c_str(), "SEND OK")){ 
+        return false;
+    } 
+    atParser.write((char*)data, (int)amount);
+    return true;
+}
+
+uint32_t ESP8266::recv(void *data, uint32_t amount)
+{
+    int length;
+    int id;
+    if (!(atParser.recv("+IPD,%d,%d:", &id, &length) && 
+      atParser.read((char*)data, length) &&
+      atParser.recv("OK"))){  
+        return 0;
+    }
+    return length;   
+}
+bool ESP8266::close(int id) 
+{
+    //IDs only 0-4
+    if(id > 4)
+        return false;
+    
+    char idstr[2];
+    sprintf(idstr,"%d",id);
+    string close_command = "AT+CIPCLOSE="+(string)idstr;  
+    
+    return (atParser.send(close_command.c_str()) && atParser.recv("OK"));
+}
+void ESP8266::setTimeout(uint32_t timeout_ms)
+{
+    atParser.setTimeout(timeout_ms);
+}   
\ No newline at end of file