Fast UART (Serial) TCP Bridge
Posted: Fri Sep 18, 2015 4:11 amThis is a fast version of the WebClient (WIFIClient).
The standard client.print/ln is very slow, so i found a way to get it faster.
If you can make it more faster let us know
Max length Serial>TCP: 256 Byte
The standard client.print/ln is very slow, so i found a way to get it faster.
If you can make it more faster let us know
Max length Serial>TCP: 256 Byte
Code: Select all
/*
#include <ESP8266WiFi.h>
ADC_MODE(ADC_VCC);
const char* ssid = "MySSID";
const char* password = "MyPassword";
const char* host = "192.168.178.1";
const char* streamId = "....................";
const char* privateKey = "....................";
unsigned char reconnectCount = 0;
WiFiClient client;
void setup() {
Serial.begin(115200);
delay(10);
float batVolt=ESP.getVcc() / 1000.0;
Serial.println();
Serial.println();
Serial.print("Battery: ");
Serial.print(batVolt);
Serial.println("V");
// We start by connecting to a WiFi network
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
if (reconnectCount >= 60) {
ESP.restart();
}
Serial.print(".");
reconnectCount++;
}
reconnectCount = 0;
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
connectToServer();
client.println("ESP8266 Connected");
}
void loop() {
if (Serial.available()) {
size_t len = Serial.available();
uint8_t * sbuf = (uint8_t *)malloc(len);
Serial.readBytes(sbuf, len);
if (client.connected()) {
client.write((uint8_t *)sbuf, len);
yield();
} else {
delay(500);
if (reconnectCount >= 60) {
ESP.restart();
}
Serial.println("Connection lost!");
Serial.println("Try to reconnect...");
connectToServer();
reconnectCount++;
}
free(sbuf);
}
if (client.available()) {
char c = client.read();
Serial.print(c);
}
}
void connectToServer() {
Serial.print("connecting to ");
Serial.println(host);
const int httpPort = 21;
if (!client.connect(host, httpPort)) {
Serial.println("connection failed");
return;
}
}