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esp-link/examples/arduino/EspLinkSample/EspLinkSample.ino

121 lines
2.7 KiB

#include "WebServer.h"
#define LED_PIN 13
int8_t blinking = 0;
int8_t frequency = 10;
uint8_t pattern = 2;
uint16_t elapse = 100;
uint16_t elapse_delta = 200;
uint32_t next_ts = 0;
void ledHtmlCallback(WebServerCommand command, char * data, int dataLen);
const char ledURL[] PROGMEM = "/LED.html.json";
const WebMethod PROGMEM methods[] = {
{ ledURL, ledHtmlCallback },
{ NULL, NULL },
};
WebServer webServer(Serial, methods);
void setup()
{
Serial.begin(57600);
webServer.init();
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, false);
}
void loop()
{
webServer.loop();
if( blinking )
{
if( next_ts <= millis() )
{
digitalWrite(LED_PIN, !digitalRead(LED_PIN));
next_ts += elapse;
elapse = elapse_delta - elapse;
}
}
}
void ledHtmlCallback(WebServerCommand command, char * data, int dataLen)
{
switch(command)
{
case BUTTON_PRESS:
if( strcmp_P(data, PSTR("btn_on") ) == 0 )
{
blinking = 0;
digitalWrite(LED_PIN, true);
} else if( strcmp_P(data, PSTR("btn_off") ) == 0 )
{
blinking = 0;
digitalWrite(LED_PIN, false);
} else if( strcmp_P(data, PSTR("btn_blink") ) == 0 )
{
blinking = 1;
next_ts = millis() + elapse;
}
break;
case SET_FIELD:
if( strcmp_P(data, PSTR("frequency") ) == 0 )
{
frequency = webServer.getArgInt();
digitalWrite(LED_PIN, false);
elapse_delta = 2000 / frequency;
elapse = pattern * elapse_delta / 4;
}
else if( strcmp_P(data, PSTR("pattern") ) == 0 )
{
char * arg = webServer.getArgString();
if( strcmp_P(arg, PSTR("25_75")) == 0 )
pattern = 1;
else if( strcmp_P(arg, PSTR("50_50")) == 0 )
pattern = 2;
else if( strcmp_P(arg, PSTR("75_25")) == 0 )
pattern = 3;
digitalWrite(LED_PIN, false);
elapse = pattern * elapse_delta / 4;
}
break;
case LOAD:
webServer.setArgNum(3);
webServer.setArgInt("frequency", frequency);
switch(pattern)
{
case 1:
webServer.setArgStringP("pattern", PSTR("25_75"));
break;
case 2:
webServer.setArgStringP("pattern", PSTR("50_50"));
break;
case 3:
webServer.setArgStringP("pattern", PSTR("75_25"));
break;
}
case REFRESH:
if( command == REFRESH )
webServer.setArgNum(1);
if( blinking )
webServer.setArgStringP("text", PSTR("LED is blinking"));
else
webServer.setArgStringP("text", digitalRead(LED_PIN) ? PSTR("LED is turned on") : PSTR("LED is turned off"));
break;
default:
break;
}
}