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ESP8266 - reworked status codes

pull/1/head
Jan Gromeš 2018-07-23 12:41:48 +02:00
rodzic 0e37d600ad
commit 75231e00a3
6 zmienionych plików z 111 dodań i 110 usunięć
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47
examples/ESP8266_HTTP_Get/ESP8266_HTTP_Get.ino
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@ -1,14 +1,14 @@
/*
* KiteLib ESP8266 HTTP GET Example
*
* This example sends HTTP GET request using ESP8266 WiFi module.
*
* Please note that the response will be saved including header. HTTP header size
* can easily exceed Arduino resources and cause the program to behave erratically.
*
* IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
* AT firmware (can be found in the /extras folder of the library)!
*/
KiteLib ESP8266 HTTP GET Example
This example sends HTTP GET request using ESP8266 WiFi module.
Please note that the response will be saved including header. HTTP header size
can easily exceed Arduino resources and cause the program to behave erratically.
IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
AT firmware (can be found in the /extras folder of the library)!
*/
// include the library
#include <KiteLib.h>
@ -22,17 +22,17 @@ HTTPClient http(&wifi, 80);
void setup() {
Serial.begin(9600);
// initialize ESP8266
Serial.print(F("[ESP8266] Initializing ... "));
// baudrate: 9600 baud
byte state = wifi.begin(9600);
if(state == ERR_NONE) {
int state = wifi.begin(9600);
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// join access point
@ -40,12 +40,12 @@ void setup() {
// name: SSID
// password: password
state = wifi.join("SSID", "password");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
}
@ -57,14 +57,15 @@ void loop() {
Serial.print(F("[ESP8266] Sending HTTP GET request ... "));
// URL: www.httpbin.org/ip
int http_code = http.get("www.httpbin.org/ip", response);
if(http_code == 200) {
Serial.println(F("success!"));
if (http_code > 0) {
Serial.print(F("HTTP code "));
Serial.println(http_code);
Serial.print(F("[ESP8266] Response is "));
Serial.print(response.length());
Serial.println(F(" bytes long."));
Serial.println(response);
} else {
Serial.print(F("failed, HTTP code "));
Serial.print(F("failed, code "));
Serial.println(http_code);
}

16
examples/ESP8266_HTTP_Post/ESP8266_HTTP_Post.ino
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@ -26,12 +26,12 @@ void setup() {
// initialize ESP8266
Serial.print(F("[ESP8266] Initializing ... "));
// baudrate: 9600 baud
byte state = wifi.begin(9600);
int state = wifi.begin(9600);
if(state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
Serial.print(F("failed, code "));
Serial.println(state);
while(true);
}
@ -43,8 +43,8 @@ void setup() {
if(state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
Serial.print(F("failed, code "));
Serial.println(state);
while(true);
}
@ -60,7 +60,7 @@ void loop() {
// content: str
// content type: text/plain
int http_code = http.post("www.httpbin.org/status/404", "str", response);
if(http_code >= 100) {
if(http_code > 0) {
Serial.print(F("HTTP code "));
Serial.println(http_code);
Serial.print(F("[ESP8266] Response is "));
@ -68,8 +68,8 @@ void loop() {
Serial.println(F(" bytes long."));
Serial.println(response);
} else {
Serial.print(F("failed, code 0x"));
Serial.println(http_code, HEX);
Serial.print(F("failed, code "));
Serial.println(http_code);
}
// wait for a second before sending new request

54
examples/ESP8266_MQTT_Publish/ESP8266_MQTT_Publish.ino
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@ -1,14 +1,14 @@
/*
* KiteLib ESP8266 MQTT Publish Example
*
* This example publishes MQTT messages using ESP8266 WiFi module.
*
* The messages are published to https://shiftr.io/try. You can use this namespace
* for testing purposes, but remember that it is publicly accessible!
*
* IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
* AT firmware (can be found in the /extras folder of the library)!
*/
KiteLib ESP8266 MQTT Publish Example
This example publishes MQTT messages using ESP8266 WiFi module.
The messages are published to https://shiftr.io/try. You can use this namespace
for testing purposes, but remember that it is publicly accessible!
IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
AT firmware (can be found in the /extras folder of the library)!
*/
// include the library
#include <KiteLib.h>
@ -26,13 +26,13 @@ void setup() {
// initialize ESP8266
Serial.print(F("[ESP8266] Initializing ... "));
// baudrate: 9600 baud
byte state = wifi.begin(9600);
if(state == ERR_NONE) {
int state = wifi.begin(9600);
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// join access point
@ -40,12 +40,12 @@ void setup() {
// name: SSID
// password: password
state = wifi.join("SSID", "password");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// connect to MQTT server
@ -55,12 +55,12 @@ void setup() {
// username: try
// password: try
state = mqtt.connect("broker.shiftr.io", "arduino", "try", "try");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
}
@ -69,12 +69,12 @@ void loop() {
Serial.print(F("[ESP8266] Publishing MQTT message ... "));
// topic name: hello
// application message: world
byte state = mqtt.publish("hello", "world");
if(state == ERR_NONE) {
int state = mqtt.publish("hello", "world");
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
Serial.print(F("failed, code "));
Serial.println(state);
}
// wait for a second before publishing again

72
examples/ESP8266_MQTT_Subscribe/ESP8266_MQTT_Subscribe.ino
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@ -1,14 +1,14 @@
/*
* KiteLib ESP8266 MQTT Subscribe Example
*
* This example subscribes to MQTT topic using ESP8266 WiFi module.
*
* The messages are pulled from https://shiftr.io/try. You can use this namespace
* for testing purposes, but remember that it is publicly accessible!
*
* IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
* AT firmware (can be found in the /extras folder of the library)!
*/
KiteLib ESP8266 MQTT Subscribe Example
This example subscribes to MQTT topic using ESP8266 WiFi module.
The messages are pulled from https://shiftr.io/try. You can use this namespace
for testing purposes, but remember that it is publicly accessible!
IMPORTANT: Before uploading this example, make sure that the ESP8266 module is running
AT firmware (can be found in the /extras folder of the library)!
*/
// include the library
#include <KiteLib.h>
@ -26,13 +26,13 @@ void setup() {
// initialize ESP8266
Serial.print(F("[ESP8266] Initializing ... "));
// baudrate: 9600 baud
byte state = wifi.begin(9600);
if(state == ERR_NONE) {
int state = wifi.begin(9600);
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// join access point
@ -40,12 +40,12 @@ void setup() {
// name: SSID
// password: password
state = wifi.join("SSID", "password");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// connect to MQTT server
@ -55,12 +55,12 @@ void setup() {
// username: try
// password: try
state = mqtt.connect("broker.shiftr.io", "arduino", "try", "try");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
while(true);
Serial.print(F("failed, code "));
Serial.println(state);
while (true);
}
// subscribe to MQTT topic
@ -69,11 +69,11 @@ void setup() {
Serial.print(F("[ESP8266] Subscribing to MQTT topic ... "));
// topic name: hello
state = wifi.subscribe("hello");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
} else {
Serial.print(F("failed, code "));
Serial.println(state);
}
// unsubscribe from MQTT topic
@ -81,11 +81,11 @@ void setup() {
Serial.print(F("[ESP8266] Unsubscribing from MQTT topic ... "));
// topic filter: hello
state = wifi.unsubscribe("hello");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
} else {
Serial.print(F("failed, code "));
Serial.println(state);
}
}
@ -104,13 +104,13 @@ void onPublish(const char* topic, const char* message) {
void loop() {
// check for new MQTT packets from server each time the loop() runs
// this will also send a PING packet, restarting the keep alive timer
byte state = wifi.check(onPublish);
int state = wifi.check(onPublish);
Serial.print("[ESP8266] MQTT check ");
if(state == ERR_NONE) {
if (state == ERR_NONE) {
Serial.println(F("success!"));
} else {
Serial.print(F("failed, code 0x"));
Serial.println(state, HEX);
} else {
Serial.print(F("failed, code "));
Serial.println(state);
}
// the rest of your loop() code goes here

16
src/modules/ESP8266.cpp
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@ -4,7 +4,7 @@ ESP8266::ESP8266(Module* module) {
_mod = module;
}
uint8_t ESP8266::begin(long speed) {
int16_t ESP8266::begin(long speed) {
// set module properties
_mod->AtLineFeed = "\r\n";
_mod->baudrate = speed;
@ -21,7 +21,7 @@ uint8_t ESP8266::begin(long speed) {
return(ERR_NONE);
}
uint8_t ESP8266::reset() {
int16_t ESP8266::reset() {
// send the reset command
if(!_mod->ATsendCommand("AT+RST")) {
return(ERR_AT_FAILED);
@ -43,14 +43,14 @@ uint8_t ESP8266::reset() {
return(ERR_AT_FAILED);
}
uint8_t ESP8266::join(const char* ssid, const char* password) {
int16_t ESP8266::join(const char* ssid, const char* password) {
// set mode to station + soft AP
if(!_mod->ATsendCommand("AT+CWMODE_CUR=3")) {
return(ERR_AT_FAILED);
}
// reset the module
uint8_t state = reset();
int16_t state = reset();
if(state != ERR_NONE) {
return(state);
}
@ -80,7 +80,7 @@ uint8_t ESP8266::join(const char* ssid, const char* password) {
return(ERR_NONE);
}
uint8_t ESP8266::openTransportConnection(const char* host, const char* protocol, uint16_t port, uint16_t tcpKeepAlive) {
int16_t ESP8266::openTransportConnection(const char* host, const char* protocol, uint16_t port, uint16_t tcpKeepAlive) {
char portStr[6];
itoa(port, portStr, 10);
char tcpKeepAliveStr[6];
@ -114,7 +114,7 @@ uint8_t ESP8266::openTransportConnection(const char* host, const char* protocol,
return(ERR_NONE);
}
uint8_t ESP8266::closeTransportConnection() {
int16_t ESP8266::closeTransportConnection() {
// send AT command
if(!_mod->ATsendCommand("AT+CIPCLOSE")) {
return(ERR_AT_FAILED);
@ -122,7 +122,7 @@ uint8_t ESP8266::closeTransportConnection() {
return(ERR_NONE);
}
uint8_t ESP8266::send(const char* data) {
int16_t ESP8266::send(const char* data) {
// build AT command
char lenStr[8];
itoa(strlen(data), lenStr, 10);
@ -146,7 +146,7 @@ uint8_t ESP8266::send(const char* data) {
return(ERR_NONE);
}
uint8_t ESP8266::send(uint8_t* data, uint32_t len) {
int16_t ESP8266::send(uint8_t* data, uint32_t len) {
// build AT command
char lenStr[8];
itoa(len, lenStr, 10);

16
src/modules/ESP8266.h
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@ -11,17 +11,17 @@ class ESP8266: public TransportLayer {
ESP8266(Module* module);
// basic methods
uint8_t begin(long speed);
uint8_t reset();
uint8_t join(const char* ssid, const char* password);
int16_t begin(long speed);
int16_t reset();
int16_t join(const char* ssid, const char* password);
// transport layer methods (implementations of purely virtual methods in TransportMethod class)
uint8_t openTransportConnection(const char* host, const char* protocol, uint16_t port, uint16_t tcpKeepAlive = 0);
uint8_t closeTransportConnection();
uint8_t send(const char* data);
uint8_t send(uint8_t* data, uint32_t len);
int16_t openTransportConnection(const char* host, const char* protocol, uint16_t port, uint16_t tcpKeepAlive = 0);
int16_t closeTransportConnection();
int16_t send(const char* data);
int16_t send(uint8_t* data, uint32_t len);
size_t receive(uint8_t* data, size_t len, uint32_t timeout = 10000);
uint16_t getNumBytes(uint32_t timeout = 10000, size_t minBytes = 10);
size_t getNumBytes(uint32_t timeout = 10000, size_t minBytes = 10);
private:
Module* _mod;