pannel.ino

#include "w5100.h"

#define PIN_RED     3
#define PIN_GREEN   5
#define PIN_BLUE    6

byte macaddr[] = {0xa2, 0x43, 0x42, 0x42, 0x42, 0x01};

Wiznet5100 w5100;
uint8_t buffer[512]

void setup() {
    // init ethernet
    w5100.begin(macaddr);
        
    pinMode(PIN_RED, OUTPUT);
    pinMode(PIN_GREEN, OUTPUT);
    pinMode(PIN_BLUE, OUTPUT);
    
    // initial color
    analogWrite(PIN_RED, 20);
    analogWrite(PIN_GREEN, 0);
    analogWrite(PIN_BLUE, 0);
}

void loop() {
    if(w5100.readFrame(buffer, sizeof(buffer)) == 0)
        return;
    
    if(buffer[12] != 0x88 || buffer[13] != 0xB6)
        return;
        
    analogWrite(PIN_RED, buffer[14]);
    analogWrite(PIN_GREEN, buffer[15]);
    analogWrite(PIN_BLUE, buffer[16]);
}