136 lines
2.9 KiB
Arduino
136 lines
2.9 KiB
Arduino
|
//echo -n "110010" >/dev/udp/192.168.178.25/4210
|
||
|
|
|
||
|
|
//Node MCU 1.0 ESP-12E
|
||
|
|
//1M SPIFFS
|
||
|
|
//80MHz
|
||
|
|
|
||
|
|
|
||
|
|
#include <ESP8266WiFi.h>
|
||
|
|
#include <WiFiUdp.h>
|
||
|
|
|
||
|
|
#include "wificredentials.h"
|
||
|
|
/* content:
|
||
|
|
* const char* ssid = "SSIDHERE";
|
||
|
|
* const char* password = "password";
|
||
|
|
*/
|
||
|
|
|
||
|
|
WiFiUDP Udp;
|
||
|
|
unsigned int localUdpPort = 4210; // local port to listen on
|
||
|
|
char incomingPacket[255]; // buffer for incoming packets
|
||
|
|
bool wlan=true;
|
||
|
|
|
||
|
|
#define PIN_SR_DATA D5
|
||
|
|
#define PIN_SR_LTCH D6
|
||
|
|
#define PIN_SR_CLOCK D7
|
||
|
|
|
||
|
|
#define OUTPUTS 6
|
||
|
|
|
||
|
|
long lastTickMillis;
|
||
|
|
|
||
|
|
uint8_t out[OUTPUTS];
|
||
|
|
|
||
|
|
long lastChange=0;
|
||
|
|
#define STANDBYTIME 5000 //time in ms after lamps switch off if nothing happened
|
||
|
|
boolean standby=false;
|
||
|
|
|
||
|
|
void setup()
|
||
|
|
{
|
||
|
|
pinMode(PIN_SR_DATA, OUTPUT);
|
||
|
|
pinMode(PIN_SR_LTCH, OUTPUT);
|
||
|
|
pinMode(PIN_SR_CLOCK, OUTPUT);
|
||
|
|
|
||
|
|
shiftRelais(0);
|
||
|
|
|
||
|
|
Serial.begin(115200);
|
||
|
|
Serial.println();
|
||
|
|
|
||
|
|
|
||
|
|
Serial.printf("Connecting to %s ", ssid);
|
||
|
|
WiFi.begin(ssid, password);
|
||
|
|
uint8_t wlantries=20;
|
||
|
|
while ((WiFi.status() != WL_CONNECTED) && wlan)
|
||
|
|
{
|
||
|
|
delay(500);
|
||
|
|
Serial.print(".");
|
||
|
|
if (wlantries<=0){
|
||
|
|
wlan=false; //deactivate wlan
|
||
|
|
}
|
||
|
|
wlantries--;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if(wlan){
|
||
|
|
Serial.println(" connected");
|
||
|
|
Udp.begin(localUdpPort);
|
||
|
|
Serial.printf("Now listening at IP %s, UDP port %d\n", WiFi.localIP().toString().c_str(), localUdpPort);
|
||
|
|
}else{
|
||
|
|
Serial.println("wlan not connected");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void loop()
|
||
|
|
{
|
||
|
|
int packetSize = Udp.parsePacket();
|
||
|
|
if (packetSize)
|
||
|
|
{
|
||
|
|
// receive incoming UDP packets
|
||
|
|
Serial.printf("Received %d bytes from %s, port %d\n", packetSize, Udp.remoteIP().toString().c_str(), Udp.remotePort());
|
||
|
|
int len = Udp.read(incomingPacket, 255);
|
||
|
|
if (len > 0)
|
||
|
|
{
|
||
|
|
incomingPacket[len] = 0;
|
||
|
|
}
|
||
|
|
uint16_t data=incomingPacket[0]<<8 | incomingPacket[1];
|
||
|
|
|
||
|
|
Serial.printf("UDP packet contents: %s\n", incomingPacket);
|
||
|
|
|
||
|
|
printBinary(data);
|
||
|
|
printBinary(mapData(data));
|
||
|
|
shiftRelais(mapData(data));
|
||
|
|
|
||
|
|
lastChange=millis();
|
||
|
|
standby=false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (millis()-lastChange >=STANDBYTIME && !standby){
|
||
|
|
Serial.println("Standby");
|
||
|
|
shiftRelais(mapData(0));
|
||
|
|
standby=true;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void printBinary(uint16_t value){
|
||
|
|
for(int i = 15; i >=0; i--) {
|
||
|
|
Serial.print((value & (1 << ((byte)i) )) ? 1 : 0);
|
||
|
|
//Serial.print(!!(value & (1 << i))); //this should also work
|
||
|
|
}
|
||
|
|
Serial.println();
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16_t mapData(uint16_t x){
|
||
|
|
uint16_t d=0;
|
||
|
|
d|=moveByte(x,0,1);
|
||
|
|
d|=moveByte(x,1,2);
|
||
|
|
d|=moveByte(x,2,3);
|
||
|
|
d|=moveByte(x,3,4);
|
||
|
|
d|=moveByte(x,4,5);
|
||
|
|
d|=moveByte(x,5,6);
|
||
|
|
d|=moveByte(x,6,7);
|
||
|
|
d|=moveByte(x,7,0);
|
||
|
|
return d;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16_t moveByte(uint16_t x,uint8_t from,uint8_t to){
|
||
|
|
//example: x=00110101 from=2 to=0 -> 00000001
|
||
|
|
return ((x&_BV(from))>0) ? _BV(to):0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void shiftRelais(uint16_t data) {
|
||
|
|
digitalWrite(PIN_SR_LTCH, LOW);
|
||
|
|
shiftOut(PIN_SR_DATA, PIN_SR_CLOCK, MSBFIRST, (data >> 8));
|
||
|
|
shiftOut(PIN_SR_DATA, PIN_SR_CLOCK, MSBFIRST, data & 0xff);
|
||
|
|
digitalWrite(PIN_SR_LTCH, HIGH);
|
||
|
|
}
|