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--- arduino_cpp [2018/11/16 18:00]
super_admin [Traffic lights example (без использования блокировочных функций delay())]
+++ arduino_cpp [2019/06/24 20:29]
@@ Строка 1: / Строка 1: @@
-====== Программирования на C++ в среде Arduino ======
-===== Traffic lights example (модифицированная версия) =====
-<code C++>
-/*
- * Traffic lights example
- *
- * Red light to pin 7
- * Yellow light to pin 6
- * Green light to pin 5
- *
- * Pedestrian Red light to pin 4
- * Pedestrian Green light to pin 3
- * Pedestrian pushbutton pin 2 (it is connected to the GND, therefore internal PULLUP resistor must be ON)
- *
- * Arduino IDE 1.6.12
- */
- // Pins
- int red = 7, yellow = 6, green = 5;
- int p_red = 4, p_green = 3;
- int button = 2;
- // System variables
- byte state = 0; // initial state
- unsigned long i = 1; // system counter
- unsigned int del = 100; // system delay legnth
- boolean flag = false;
-void change_traffic_lights(uint8_t r,uint8_t y, uint8_t g){
-    digitalWrite(red, r);
-    digitalWrite(yellow, y);
-    digitalWrite(green, g);
-}
-void change_pedastrian_lights(uint8_t r,uint8_t g){
-    digitalWrite(p_red, r);
-    digitalWrite(p_green, g);
-}
-void setup() {
-  pinMode(red, OUTPUT);
-  pinMode(yellow, OUTPUT);
-  pinMode(green, OUTPUT);
-  pinMode(p_red, OUTPUT);
-  pinMode(p_green, OUTPUT);
-  pinMode(button, INPUT_PULLUP);
-  Serial.begin(9600);
-}
-void loop() {
-  // Check button
-  if(digitalRead(button) == 0) {
-    flag = true;
-  }
-  delay(del);
-  switch(state){
-    case 0:
-      change_traffic_lights(0,0,1);
-      change_pedastrian_lights(1,0);
-      if(flag){
-        if((i%30)==0){
-          flag = false;
-          Serial.print("case 0, state = 3 ");Serial.println(flag);
-          state = 3;
-          i = 1;
-        }
-      }
-    break;
-    case 1:
-      change_traffic_lights(1,1,0);
-      change_pedastrian_lights(1,0);
-      if((i%30)==0){
-        Serial.print("case 1, state = 0 ");Serial.println(flag);
-        state = 0;
-        flag = false;
-        i = 1;
-      }
-    break;
-    case 2:
-      change_traffic_lights(1,0,0);
-      change_pedastrian_lights(0,1);
-      if((i%100)==0){
-       Serial.print("case 2, state = 1 ");Serial.println(flag);
-        state = 1;
-        flag = false;
-        i = 1;
-      }
-    break;
-    case 3:
-      change_traffic_lights(0,1,0);
-      change_pedastrian_lights(1,0);
-      if((i%20)==0){
-        Serial.print("case 3, state = 2 ");Serial.println(flag);
-        state = 2;
-        flag = false;
-        i = 1;
-      }
-    break;
-    default:
-    break;
-  }
-  i++;
-}
-</code>
-===== Traffic lights example (без использования блокировочных функций delay()) =====
-<code C++>
-/*
- * Traffic lights example
- *
- * Red light to pin 7
- * Yellow light to pin 6
- * Green light to pin 5
- *
- * Pedestrian Red light to pin 4
- * Pedestrian Green light to pin 3
- * Pedestrian pushbutton pin 2 (it is connected to the GND, therefore internal PULLUP resistor must be ON)
- *
- * Arduino IDE 1.6.12
- */
- // Pins
- int red = 7, yellow = 6, green = 5;
- int p_red = 4, p_green = 3;
- int button_1 = 2;
- int butState_1 = HIGH;
- int butDelay = 10;
- int checkButton_1 = 0;
- uint32_t prevButt_time_1 = 0;
- uint32_t prevTraffic_time = 0;
- // System variables
- byte state = 0; // initial state
- unsigned long i = 1; // system counter
- unsigned int del = 100; // system delay legnth
- boolean flag = false;
-void change_traffic_lights(uint8_t r,uint8_t y, uint8_t g){
-    digitalWrite(red, r);
-    digitalWrite(yellow, y);
-    digitalWrite(green, g);
-}
-void change_pedastrian_lights(uint8_t r,uint8_t g){
-    digitalWrite(p_red, r);
-    digitalWrite(p_green, g);
-}
-uint8_t checkButton(){
-  uint8_t newButtonState = digitalRead(button_1);
-  if(newButtonState != butState_1){
-    Serial.print("newButtonState  = "); Serial.println(newButtonState);
-    return true;
-  } else {
-    return false;
-  }
-}
-void setup() {
-  pinMode(red, OUTPUT);
-  pinMode(yellow, OUTPUT);
-  pinMode(green, OUTPUT);
-  pinMode(p_red, OUTPUT);
-  pinMode(p_green, OUTPUT);
-  pinMode(button_1, INPUT_PULLUP);
-  Serial.begin(9600);
-}
-void loop() {
-  // Check button
-  switch(state){
-    case 0:
-      change_traffic_lights(0,0,1);
-      change_pedastrian_lights(1,0);
-      if(checkButton()){
-          prevTraffic_time = millis();
-          state = 5;
-          Serial.println("state = 0; ");
-        }
-    break;
-    case 5:
-      change_traffic_lights(0,0,1);
-      change_pedastrian_lights(1,0);
-      if(millis() - prevTraffic_time >= 3000){
-        prevTraffic_time = millis();
-          state = 3;
-      Serial.println("state = 5; ");
-        }
-    break;
-    case 1:
-      change_traffic_lights(1,1,0);
-      change_pedastrian_lights(1,0);
-      if(millis() - prevTraffic_time >= 3000){
-        prevTraffic_time = millis();
-          Serial.println("state = 1; ");
-          state = 0;
-        }
-    break;
-    case 2:
-      change_traffic_lights(1,0,0);
-      change_pedastrian_lights(0,1);
-      if(millis() - prevTraffic_time >= 5000){
-        prevTraffic_time = millis();
-        Serial.println("state = 2; ");
-        state = 1;
-       }
-    break;
-    case 3:
-      change_traffic_lights(0,1,0);
-      change_pedastrian_lights(1,0);
-      if(millis() - prevTraffic_time >= 2000){
-        prevTraffic_time = millis();
-        Serial.println("state = 3; ");
-        state = 2;
-      }
-    break;
-    default:
-    break;
-  }
-}
-</code>

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