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nano-revis
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nano-revis
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Binary file not shown.
@@ -2,3 +2,4 @@
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|-------|------------------|-----------------|---------|---------|
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| 1.0 | D2 | D3 | U7 | U8 |
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| 2.0 | D2 | (D10)| U8 | U7 |
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| 2.1 | D3 | D2 | U8 | U7 |
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@@ -1,95 +0,0 @@
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/* RS 485-Implementierung, die sowohl Schreiben als auch Lesen kann */
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/* Basis für andere Projekte */
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#define BUTTON 2
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#define RECEIVE 3
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#define RECEIVE_ENABLE 4
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#define SEND 5
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#define SEND_ENABLE 6
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#define MAX_LEN 128
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void setup() {
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// Buttons connected to analog input lines
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pinMode(A0,INPUT_PULLUP);
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pinMode(A1,INPUT_PULLUP);
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pinMode(A2,INPUT_PULLUP);
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pinMode(A3,INPUT_PULLUP);
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pinMode(A4,INPUT_PULLUP);
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pinMode(A5,INPUT_PULLUP);
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pinMode(A6,INPUT_PULLUP);
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pinMode(A7,INPUT_PULLUP);
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// Currently, all buttons are also connected via a diode to an interruptable pin, to notify on input changes.
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// This interruptable pin should be assgined to BUTTON
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pinMode(BUTTON,INPUT_PULLUP);
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attachInterrupt(digitalPinToInterrupt(BUTTON),button,FALLING); // interrupt for button change
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// Set up pins for RS485 connection
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pinMode(RECEIVE, INPUT);
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pinMode(RECEIVE_ENABLE, OUTPUT);
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pinMode(SEND, OUTPUT);
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pinMode(SEND_ENABLE, OUTPUT);
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attachInterrupt(digitalPinToInterrupt(RECEIVE),receive,CHANGE); // interrupt for incoming RS485 traffic
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reset485();
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buttons = 0x0;
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}
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void button() {
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buttons = 0xFF ^ (digitalRead(A7)<<7 | digitalRead(A6)<<6 | digitalRead(A5)<<5 | digitalRead(A4)<<4 | digitalRead(A3)<<3 | (!digitalRead(A2))<<2 | digitalRead(A1)<<1 | digitalRead(A0));
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}
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void receive(){
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bool received_bit = digitalRead(RECEIVE);
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curr = micros();
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duration = curr - last;
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Serial.print("Input switched to ");
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Serial.print(received_bit?"H":"L");
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Serial.print(" after ");
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Serial.print(duration);
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Serial.println(" ticks");
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last = curr;
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if (duration > MAX_TICKS) reset485();
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received_bit = !received_bit; // received_bit is the current value, the duration of the previous value (=inverted) has been measured
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duration /= BASE;
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while (duration > 0){
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byte_idx--;
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recv |= received_bit<<byte_idx;
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if (byte_idx == 0) {
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msg[msg_idx] = recv;
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msg_idx++;
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byte_idx = 8;
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if (recv == 0x00) message_received();
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}
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duration--;
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}
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}
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void reset485(){
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byte_idx = 8;
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msg_idx = 0;
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recv=0x0;
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}
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void message_received(){
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for (int i=0; i<MAX_LEN; i++) message[i]=msg[i];
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reset485();
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}
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void button_pressed(int i){
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Serial.println("not implemented");
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}
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void loop(){
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if (buttons>0){
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for (int i=0; i<7; i++){
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if (buttons & (1<<i)) button_pressed(i);
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}
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}
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if (message[0] != 0x0){
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Serial.print("Received '");
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Serial.print(message);
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Serial.println("'");
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message[0] = 0x0;
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}
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}
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@@ -9,19 +9,19 @@
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#include <LiquidCrystal.h>
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#include <SoftRS485.h>
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#define PROGRAM "RS485-Nano Rev 2.0 / LCDReceive 1.2"
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#define Max485_RO 2 // read-output of Max485
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#define Max485_RE 8 // not-read-enable of Max485
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#define Max485_DE 8 // data enable of Max485
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#define Max485_DI 9 // data input of Max485
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#define Max485_RO 3 // read-output of Max485
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#define Max485_RE 5 // not-read-enable of Max485
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#define Max485_DE 9 // data enable of Max485
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#define Max485_DI 8 // data input of Max485
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#define LCD_RS 10
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#define LCD_EN 11
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#define LCD_D4 4
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#define LCD_D5 5
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#define LCD_D6 6
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#define LCD_D7 7
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#define LCD_RS 4
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#define LCD_EN 6
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#define LCD_D4 7
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#define LCD_D5 11
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#define LCD_D6 12
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#define LCD_D7 13
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#define PROGRAM "RS485-Nano 2.2 / LCDReceive 1.2"
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// initialize the library by associating any needed LCD interface pin with the arduino pin number it is connected to
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LiquidCrystal lcd(LCD_RS, LCD_EN, LCD_D4, LCD_D5, LCD_D6, LCD_D7);
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@@ -29,10 +29,12 @@ LiquidCrystal lcd(LCD_RS, LCD_EN, LCD_D4, LCD_D5, LCD_D6, LCD_D7);
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void setup() {
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Serial.begin(115200);
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init485(Max485_RO,Max485_RE,Max485_DE,Max485_DI); // library initialization:
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// set up the LCD's number of columns and rows:
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lcd.begin(16, 2);
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lcd.begin(16, 4);
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// Print a message to the LCD.
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printMessage(PROGRAM);
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}
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void printMessage(String s){
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@@ -43,6 +45,7 @@ void printMessage(String s){
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auto cstr = s.c_str();
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for (int i=0;i<s.length();i++){
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if (col == 0 && cstr[i] == ' ') continue;
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if (cstr[i] == '{' || cstr[i] == '}') continue;
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lcd.print(cstr[i]);
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col++;
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if (cstr[i]==',' || col==16){
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@@ -1,61 +0,0 @@
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// Für Controllino könnte man benutzen: sRx = 20, sTx = 21, enable = 53
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int sTx = 2;
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int sRx = 3;
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long base = 100;
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long rst = base*10; // reset
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boolean bt = false;
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long dif = 0;
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long lt = 0;
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long now = 0;
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char rcv = 0;
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int idx = 0;
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String message;
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void setup(){
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pinMode(sRx,INPUT);
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pinMode(sTx,OUTPUT);
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attachInterrupt(digitalPinToInterrupt(sRx),change485,CHANGE);
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Serial.begin(115200);
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Serial.println("Receiver ready");
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}
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void reset485(long dif){
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rcv = 0;
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idx = -1;
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message.reserve(32);
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}
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void change485(){
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bool bt = digitalRead(sRx);
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now = micros();
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dif = now - lt;
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lt = now;
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if (dif > rst){
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reset485(dif);
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} else {
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handle485(!bt,dif);
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}
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}
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void handle485(boolean bt, long dif){
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long count = dif/base;
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for (int i=0; i<count; i++) push485(bt);
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}
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void push485(boolean bt){
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if (idx>=0) rcv |= bt<<idx;
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idx++;
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if (idx == 8){
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if (rcv == 13) {
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Serial.println(message);
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message = "";
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} else {
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message+=rcv;
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}
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idx =0;
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rcv =0;
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}
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}
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void loop(){}
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@@ -20,13 +20,13 @@
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#define ID 0
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#define PROGRAM "Sender"
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#define SW_VERSION "1.3"
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#define HW_VERSION "2.0"
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#define HW_VERSION "2.2"
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#define BTN_INT 2 // button interrupt pin
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#define Max485_RO 3 // read-output of Max485
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#define Max485_RE 5 // not-read-enable of Max485
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#define Max485_DE 9 // data enable of Max485
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#define Max485_DI 8 // data input of Max485
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#define BTN_INT 3 // button interrupt pin
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#define Max485_RO 2 // read-output of Max485
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#define Max485_RE 3 // not-read-enable of Max485
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#define Max485_DE 8 // data enable of Max485
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#define Max485_DI 9 // data input of Max485
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#define TRESHOLD 1024
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#define TRIGGER_LEVEL 200
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@@ -81,7 +81,7 @@ void isr(){
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raw_states[7] = analogRead(21)<TRIGGER_LEVEL;
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#ifdef LOG_TO_SERIAL
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for (int i=0;i<8;i++){
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Serial.print(" ");
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Serial.print(" ");
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Serial.print(raw_states[i]);
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Serial.print(" ");
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}
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@@ -8,12 +8,13 @@
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// include the library code:
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#include <SoftRS485.h>
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#define Max485_RO 3 // read-output of Max485
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#define Max485_RE 5 // not-read-enable of Max485
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#define Max485_DE 9 // data enable of Max485
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#define Max485_DI 8 // data input of Max485
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#define PROGRAM "{hw:RS485-Nano rev 2.0,firmware:Transceiver,version:1.0}"
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#define Max485_RO 2 // read-output of Max485
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#define Max485_RE 3 // not-read-enable of Max485
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#define Max485_DE 8 // data enable of Max485
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#define Max485_DI 9 // data input of Max485
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#define PROGRAM "{hw:RS485-Nano rev 2.1,firmware:Transceiver,version:1.0}"
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String message = "";
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char c;
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@@ -21,15 +21,15 @@
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// 6=Bad OG
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#define ID 0
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#define HW_VERSION "2.0"
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#define HW_VERSION "2.2"
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#define PROGRAM "TempSender"
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#define SW_VERSION "1.5"
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#define BTN_INT 2 // button interrupt pin
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#define Max485_RO 3 // read-output of Max485
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#define Max485_RE 5 // not-read-enable of Max485
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#define Max485_DE 9 // data enable of Max485
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#define Max485_DI 8 // data input of Max485
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#define BTN_INT 3 // button interrupt pin
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#define Max485_RO 2 // read-output of Max485
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#define Max485_RE 3 // not-read-enable of Max485
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#define Max485_DE 8 // data enable of Max485
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#define Max485_DI 9 // data input of Max485
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#define TRESHOLD 1024
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#define TRIGGER_LEVEL 200
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@@ -47,6 +47,7 @@ unsigned long capacitor[8];
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unsigned long times[8];
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unsigned long sensor_time = 0;
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// these values are used for temperature processing
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SimpleDHT22 sensor(DHT_PIN);
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float temperature = 0;
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float humidity = 0;
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@@ -24,13 +24,13 @@
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#define ID 0
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#define PROGRAM "Temp+IR"
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#define SW_VERSION "0.1"
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#define HW_VERSION "2.0"
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#define HW_VERSION "2.1"
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#define BTN_INT 2 // button interrupt pin
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#define Max485_RO 3 // read-output of Max485
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#define Max485_RE 5 // not-read-enable of Max485
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#define Max485_DE 9 // data enable of Max485
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#define Max485_DI 8 // data input of Max485
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#define BTN_INT 3 // button interrupt pin
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#define Max485_RO 2 // read-output of Max485
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#define Max485_RE 3 // not-read-enable of Max485
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#define Max485_DE 8 // data enable of Max485
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#define Max485_DI 9 // data input of Max485
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#define TRESHOLD 1024
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#define TRIGGER_LEVEL 200
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