ESP8266 driver using the NodeMCU interface
Dependencies: BufferedSerial
Dependents: esp8266_nodeMCU1 esp8266_2_thingspeak1 Solarator_0-0-2 IoTBurglar_and_Fire_AlarmSystem ... more
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This is an alternative implementation of the ESP8266 driver that uses the NodeMCU firmware. The NodeMCU firmware provides a slightly larger feature set than the default firmware through a Lua interpreter.
Note
This library is currently in Alpha. It is not feature complete and has some bugs, proceed with caution. Fixes and patches are welcome!
Interface changes
- SSID and passphrase moved out of ESP8266Interface constructor and to ESP8266Interface::connect
- ESP8266Interface constructor provides optional timeout parameter to specify how long to wait for network operations
Note
NodeMCU defaults to a baud rate of 9600 instead of 115200 used by the default firmware.
Firmware
To install the NodeMCU firmware, follow the instructions on the Firmware Update wiki page using the nodemcu_integer_0.9.6-dev_20150406.bin binary at address 0x00000 instead of boot_v1.1.bin and user1.bin.
Since the NodeMCU firmware defaults to a baud rate of 9600, the Serial Passthrough program can be used to get direct access to the Lua interpreter running on the ESP8266.
Status
Working features:
- TCP Client
- UDP Client Transmit (Currently only UDP Server can recieve messages)
- Single Connection at a time
- Station Mode (Connects to AP)
- DNS Lookups
To be implemented:
- TCP Server
- UDP Server
- UDP Client recieve
- Multiple Connections tracked through Lua variables
- AP Mode (Act as access point)
- IPV6 support (Existing issue with NodeMCU)
Revision 36:e1545c6c2cb3, committed 2015-05-02
- Comitter:
- mbedAustin
- Date:
- Sat May 02 03:30:52 2015 +0000
- Parent:
- 33:727aac1996b8
- Child:
- 37:6887e61cf674
- Commit message:
- updated debug command prints
Changed in this revision
--- a/ESP8266/ESP8266.cpp Thu Apr 30 21:09:14 2015 +0000
+++ b/ESP8266/ESP8266.cpp Sat May 02 03:30:52 2015 +0000
@@ -23,18 +23,18 @@
#include <algorithm>
//Debug is disabled by default
-#ifdef DEBUG
-#define DBG(x, ...) printf("[ESP8266 : DBG]"x"\r\n", ##__VA_ARGS__);
-#define WARN(x, ...) printf("[ESP8266 : WARN]"x"\r\n", ##__VA_ARGS__);
-#define ERR(x, ...) printf("[ESP8266 : ERR]"x"\r\n", ##__VA_ARGS__);
+#if 1
+#define DBG(x, ...) printf("[ESP8266 : DBG]"x" [%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define WARN(x, ...) printf("[ESP8266 : WARN]"x" [%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define ERR(x, ...) printf("[ESP8266 : ERR]"x" [%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
#else
#define DBG(x, ...)
#define WARN(x, ...)
#define ERR(x, ...)
#endif
-#ifdef DEBUG
-#define INFO(x, ...) printf("[ESP8266 : INFO]"x"\r\n", ##__VA_ARGS__);
+#if 1
+#define INFO(x, ...) printf("[ESP8266 : INFO]"x" [%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
#else
#define INFO(x, ...)
#endif
@@ -48,8 +48,9 @@
char* ip = NULL;
ESP8266::ESP8266( PinName tx, PinName rx, PinName _reset, const char * ssid, const char * phrase, uint32_t baud):
- wifi(tx, rx), reset_pin(_reset), buf_ESP8266(256)
+ wifi(tx, rx), reset_pin(_reset), buf_ESP8266(ESP_MBUFFE_MAX)
{
+ INFO("Initializing ESP8266 object");
memset(&state, 0, sizeof(state));
// change all ' ' in '$' in the ssid and the passphrase
@@ -81,7 +82,7 @@
if( sendCommand( cmd.c_str(), "OK", NULL, 10000) ) {
// successfully joined the network
state.associated = true;
- INFO("\r\nssid: %s\r\nphrase: %s\r\nsecurity: %s\r\n\r\n", this->ssid, this->phrase);
+ INFO("ssid: %s, phrase: %s, security: %s", this->ssid, this->phrase);
return true;
}
return false;
@@ -128,11 +129,10 @@
check[2] = sendCommand("AT+CIPSEND", ">", NULL, 1000);// go into transparent mode
// check that all commands were sucessful
if(check[0] and check[1] and check[2]) {
- DBG("Data Mode\r\n");
state.cmdMode = false;
return true;
} else {
- DBG("\r\nstartUDPTransparent Failed for ip:%s, port:%d\r\n",ip,port);
+ ERR("startUDPTransparent Failed for ip:%s, port:%d",ip,port);
return false;
}
}
@@ -221,12 +221,12 @@
//pos4 = resultString.find('"',pos3+1);
strncpy(ipString,resultString.substr(pos1,pos2).c_str(),sizeof(ipString));
ipString[pos2 - pos1 +1] = 0; // null terminate string correctly.
- DBG("IP: %s\r\n",ipString);
+ DBG("IP: %s",ipString);
ip = ipString;
} else {
// Failure
- DBG("getIPAddress() failed\r\n");
+ DBG("getIPAddress() failed");
ip = NULL;
}
return ip;
@@ -401,7 +401,7 @@
}
}
}
- DBG("check: %s\r\n", checking.c_str());
+ DBG("check: %s", checking.c_str());
attach_rx(true);
return result;
@@ -420,13 +420,13 @@
break;
}
res[i] = '\0';
- DBG("user str 1: %s\r\n", res);
+ DBG("user str 1: %s", res);
break;
} else {
if (tmr.read_ms() > 300) {
res[i] = '\0';
- DBG("user str: %s\r\n", res);
+ DBG("user str: %s", res);
break;
}
@@ -441,7 +441,7 @@
}
}
}
- DBG("user str: %s\r\n", res);
+ DBG("user str: %s", res);
}
//We flush the buffer
@@ -449,6 +449,6 @@
getc();
attach_rx(true);
- DBG("result: %d\r\n", result)
+ DBG("result: %d", result)
return result;
}
--- a/ESP8266/ESP8266.h Thu Apr 30 21:09:14 2015 +0000 +++ b/ESP8266/ESP8266.h Sat May 02 03:30:52 2015 +0000 @@ -33,6 +33,7 @@ #define DEFAULT_WAIT_RESP_TIMEOUT 500 #define ESP_TCP_TYPE 1 #define ESP_UDP_TYPE 0 +#define ESP_MBUFFE_MAX 256 /** * The ESP8266 class
--- a/Socket/Socket.cpp Thu Apr 30 21:09:14 2015 +0000
+++ b/Socket/Socket.cpp Sat May 02 03:30:52 2015 +0000
@@ -19,16 +19,32 @@
#include "Socket.h"
#include <cstring>
+//Debug is disabled by default
+#if 1
+//Enable debug
+#include <cstdio>
+#define DBG(x, ...) std::printf("[Socket : DBG]"x" [%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define WARN(x, ...) std::printf("[Socket : WARN]"x" [%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define ERR(x, ...) std::printf("[Socket : ERR]"x" [%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+
+#else
+//Disable debug
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+
+#endif
+
extern Serial pc;
Socket::Socket() : _blocking(true), _timeout(1500) {
wifi = ESP8266::getInstance();
if (wifi == NULL)
- error("Socket constructor error: no ESP8266 instance available!\r\n");
+ ERR("Socket constructor error: no ESP8266 instance available!");
}
void Socket::set_blocking(bool blocking, unsigned int timeout) {
- printf("set blocking: %d %d\r\n", blocking, timeout);
+ DBG("set blocking: %d %d", blocking, timeout);
_blocking = blocking;
_timeout = timeout;
}
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