StephanRichter/Nano-485
1
0
Fork 0
Code Issues 1 Pull Requests Projects Releases Wiki Activity

Entprellung implementiert

Browse Source 
Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
This commit is contained in:
Stephan Richter
2023-12-19 00:12:41 +01:00
parent 97a0e5b5b4
commit d316dc83aa
1 changed files with 44 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
Software/Sender/Sender.ino
View File

@@ -9,7 +9,7 @@
// include the library code:
#include <SoftRS485.h>
#define PROGRAM "RS485-Nano 2.0 / Sender 1.1"
#define PROGRAM "RS485-Nano 2.0 / Sender 1.2"
#define BTN_INT 2 // button interrupt pin
#define Max485_RO 3 // read-output of Max485
@@ -17,22 +17,30 @@
#define Max485_DE 9 // data enable of Max485
#define Max485_DI 8 // data input of Max485
#define TRESHOLD 200000 // 200ms
#define TRESHOLD 1024
#define ID 0
// 0=Test
// 1=Arbeitszimmer
// 2=Küche
// 3=Bad
//#define LOG_TO_SERIAL
#define SEND_485
#define DEBUG
#define LOG_TO_SERIAL
//#define SEND_485
boolean raw_states[8];
boolean states[8];
unsigned long capacitor[8];
unsigned long times[8];
void setup(){
for (int i=0; i<8;i++) {
capacitor[i] = 0;
raw_states[i] = LOW;
states[i] = LOW;
}
Serial.begin(115200);
init485(Max485_RO,Max485_RE,Max485_DE,Max485_DI); // library initialization:
pinMode(BTN_INT,INPUT_PULLUP);
@@ -45,7 +53,7 @@ void setup(){
pinMode(20,INPUT_PULLUP);
pinMode(21,INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(2),isr,CHANGE);
attachInterrupt(digitalPinToInterrupt(BTN_INT),isr,CHANGE);
// Print a message to the LCD.
Serial.println(PROGRAM);
#ifdef LOG_TO_SERIAL
@@ -54,49 +62,56 @@ void setup(){
}
void isr(){
states[0] = !digitalRead(14);
states[1] = !digitalRead(15);
states[2] = !digitalRead(16);
states[3] = !digitalRead(17);
raw_states[0] = analogRead(14)<400;
raw_states[1] = analogRead(15)<400;
raw_states[2] = analogRead(16)<400;
raw_states[3] = analogRead(17)<400;
states[4] = !digitalRead(18);
states[5] = !digitalRead(19);
states[6] = !(analogRead(20)>200);
states[7] = !(analogRead(21)>200);
raw_states[4] = analogRead(18)<400;
raw_states[5] = analogRead(19)<400;
raw_states[6] = analogRead(20)<400;
raw_states[7] = analogRead(21)<400;
#ifdef LOG_TO_SERIAL
for (int i=0;i<8;i++){
Serial.print(" "); Serial.print(states[i]); Serial.print(" ");
Serial.print(" ");
Serial.print(raw_states[i]);
Serial.print(" ");
}
Serial.println();
#endif
}
void send(int btn, long duration){
String s = "{nano:"+String(ID)+",btn:"+String(btn)+",dura:"+String(duration)+"}";
#ifdef SEND_485
void send(int btn){
String s = "{nano:"+String(ID)+",btn:"+String(btn)+"}";
for (int i = 0; i<10; i++){
if (send485(s.c_str())) break;
Serial.println("collision detected, trying again:");
}
}
#else
Serial.println(s);
#endif
}
void loop(){
unsigned long now = micros();
boolean pause = true;
for (int i=0;i<8;i++){
if (states[i]){
if (pause){
delay(5);
pause=false;
}
if (now - times[i] > TRESHOLD){
#ifdef SEND_485
send(i+1);
#endif
times[i] = now;
}
states[i] = 0;
// we emulate a capacitor:
// when the button is pressed, it slowly loads, if the button is released, it unloads.
capacitor[i] = raw_states[i] ? capacitor[i]+1 : capacitor[i]>>1;
// if the capacitor reaches a certain treshold, the state is changed
boolean new_state = capacitor[i]>TRESHOLD;
// TODO: drop state after a maximum HIGH time
// when the state changes, the duration of the last state is calculated
if (states[i] != new_state){
long diff = (now - times[i])/1000;
times[i] = now;
if (states[i]) send(i+1,diff); // old state was HIGH → we are going LOW
states[i] = new_state;
}
}
}