Created
March 11, 2022 09:46
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const int PinEchoAnteriore = 7; | |
const int PinTriggerAnteriore = 6; | |
const int PinEchoSinistra = 11; | |
const int PinTriggerSinistra = 10; | |
const int PinEchoDestra = 9; | |
const int PinTriggerDestro = 8; | |
const int motorinoL1 = 2; | |
const int motorinoL2 = 3; | |
const int motorinoR1 = 4; | |
const int motorinoR2 = 5; | |
const int RitardoMedio = 20; | |
volatile float MassimaDistanzaAnteriore = 25.00; | |
volatile float DurataPerAnteriore, DistanzaAnterioreInCm; | |
volatile float DurataPerSinistra, DistanzaSinistraInCm; | |
volatile float DurataPerDestra, DistanzaDestraInCm; | |
volatile float MassimaDistanzaSinistra; | |
volatile float MassimaDistanzaDestra = 20.00; | |
void setup() { | |
// serial | |
Serial.begin(9600); | |
// setta sensori ultrasonici | |
pinMode(PinTriggerAnteriore, OUTPUT); | |
pinMode(PinEchoAnteriore, INPUT); | |
pinMode(PinTriggerSinistra, OUTPUT); | |
pinMode(PinEchoSinistra, INPUT); | |
pinMode(PinTriggerDestro, OUTPUT); | |
pinMode(PinEchoDestra, INPUT); | |
// setta i motorini | |
pinMode(motorinoL1, OUTPUT); | |
pinMode(motorinoL2, OUTPUT); | |
pinMode(motorinoR1, OUTPUT); | |
pinMode(motorinoR2, OUTPUT); | |
} | |
void loop() { | |
ControlloDistanzaAnteriore(); | |
if (DistanzaAnterioreInCm < MassimaDistanzaAnteriore) { | |
Serial.println("Troppo vicino!"); | |
ControlloDistanzaSinistra(); | |
delay(RitardoMedio); | |
ControlloDistanzaDestra(); | |
delay(RitardoMedio); | |
if (DistanzaSinistraInCm < DistanzaDestraInCm) | |
MuoviaDestra(); | |
else if (DistanzaSinistraInCm > DistanzaDestraInCm) { | |
MuoviaSinistra(); | |
} | |
} | |
else { | |
Serial.println("OK"); | |
VaiAvanti(); | |
} | |
ControlloDistanzaSinistra(); | |
if (DistanzaSinistraInCm < MassimaDistanzaSinistra) { | |
Serial.println("a Sinistra sei troppo vicino"); | |
delay(RitardoMedio); | |
ControlloDistanzaSinistra(); | |
delay(RitardoMedio); | |
ControlloDistanzaDestra(); | |
delay(RitardoMedio); | |
if (DistanzaSinistraInCm > DistanzaDestraInCm) | |
VaiAvanti(); | |
else if (DistanzaSinistraInCm < DistanzaDestraInCm) { | |
MuoviaDestra(); | |
} | |
} | |
ControlloDistanzaDestra(); | |
if (DistanzaDestraInCm < MassimaDistanzaDestra) { | |
Serial.println("a Destra sei troppo vicino"); | |
delay(RitardoMedio); | |
ControlloDistanzaDestra(); | |
delay(RitardoMedio); | |
ControlloDistanzaSinistra(); | |
delay(RitardoMedio); | |
if (DistanzaDestraInCm > DistanzaSinistraInCm) | |
VaiAvanti(); | |
else if (DistanzaDestraInCm < DistanzaSinistraInCm) { | |
MuoviaSinistra(); | |
} | |
} | |
} | |
void ControlloDistanzaAnteriore() { | |
digitalWrite(PinTriggerAnteriore, LOW); | |
delayMicroseconds(4); | |
digitalWrite(PinTriggerAnteriore, HIGH); | |
delayMicroseconds(10); | |
digitalWrite(PinTriggerAnteriore, LOW); | |
DurataPerAnteriore = pulseIn(PinEchoAnteriore, HIGH); | |
DistanzaAnterioreInCm = DurataPerAnteriore * 10 / 292 / 2; | |
Serial.print("Distanza: "); | |
Serial.print(DistanzaAnterioreInCm); | |
Serial.println(" cm"); | |
} | |
void ControlloDistanzaSinistra() { | |
digitalWrite(PinTriggerSinistra, LOW); | |
delayMicroseconds(4); | |
digitalWrite(PinTriggerSinistra, HIGH); | |
delayMicroseconds(10); | |
digitalWrite(PinTriggerSinistra, LOW); | |
DurataPerSinistra = pulseIn(PinEchoSinistra, HIGH); | |
DistanzaSinistraInCm = DurataPerSinistra * 10 / 292 / 2; | |
Serial.print("Distanza a sinistra: "); | |
Serial.print(DistanzaSinistraInCm); | |
Serial.println(" cm"); | |
} | |
void ControlloDistanzaDestra() { | |
digitalWrite(PinTriggerDestro, LOW); | |
delayMicroseconds(4); | |
digitalWrite(PinTriggerDestro, HIGH); | |
delayMicroseconds(10); | |
digitalWrite(PinTriggerDestro, LOW); | |
DurataPerDestra = pulseIn(PinEchoDestra, HIGH); | |
DistanzaDestraInCm = DurataPerDestra * 10 / 292 / 2; | |
Serial.print("Distanza a destra: "); | |
Serial.print(DistanzaDestraInCm); | |
Serial.println(" cm"); | |
} | |
void VaiIndietro() { | |
Serial.println("Indietro."); | |
digitalWrite(motorinoL1, HIGH); | |
digitalWrite(motorinoL2, LOW); | |
digitalWrite(motorinoR1, HIGH); | |
digitalWrite(motorinoR2, LOW); | |
} | |
void VaiAvanti() { | |
Serial.println("Avanti."); | |
digitalWrite(motorinoL1, LOW); | |
digitalWrite(motorinoL2, HIGH); | |
digitalWrite(motorinoR1, LOW); | |
digitalWrite(motorinoR2, HIGH); | |
} | |
void MuoviaSinistra() { | |
Serial.println("Sinistra."); | |
digitalWrite(motorinoL1, LOW); | |
digitalWrite(motorinoL2, HIGH); | |
digitalWrite(motorinoR1, HIGH); | |
digitalWrite(motorinoR2, LOW); | |
} | |
void MuoviaDestra() { | |
Serial.println("Destra."); | |
digitalWrite(motorinoL1, HIGH); | |
digitalWrite(motorinoL2, LOW); | |
digitalWrite(motorinoR1, LOW); | |
digitalWrite(motorinoR2, HIGH); | |
} |
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