/* * File Name: NAND.h */ /*********************************************************************************************************************************** --------Truth Table for Quad 7400 NAND Chip---------- /***********************************************************************************************************************************/ /* Input A Input B | Output #1 Output #2 Output #3 Output #4 1 1 | 0 0 0 0 Test 1 1 0 | 1 1 1 1 Test 2 0 1 | 1 1 1 1 Test 3 0 0 | 1 1 1 1 Test 4 */ boolean NAND() { /* ------------ */ int nand_A1=FP; /* 1A | \_/ | VCC */ int nandVcc=FP+1; int nand_B1=FP+2; /* 1B | | 4B */ int nand_B4=FP+3; int nand_R1=FP+4; /* 1Y | | 4A */ int nand_A4=FP+5; int nand_A2=FP+6; /* 2A | | 4Y */ int nand_R4=FP+7; int nand_B2=FP+8; /* 2B | | 3B */ int nand_B3=FP+9; int nand_R2=FP+10; /* 2Y | | 3A */ int nand_A3=FP+11; int nandGND=FP+12; /* GND | | 3Y */ int nand_R3=FP+13; /* ------------ */ int nand_G1; int nand_G2; int nand_G3; int nand_G4; boolean test1 = false; boolean test2 = false; boolean test3 = false; boolean test4 = false; pinMode(nand_A1, OUTPUT); pinMode(nandVcc, OUTPUT); pinMode(nand_B1, OUTPUT); pinMode(nand_B4, OUTPUT); pinMode(nand_R1, INPUT); pinMode(nand_A4, OUTPUT); pinMode(nand_A2, OUTPUT); pinMode(nand_R4, INPUT); pinMode(nand_B2, OUTPUT); pinMode(nand_B3, OUTPUT); pinMode(nand_R2, INPUT); pinMode(nand_A3, OUTPUT); pinMode(nandGND, OUTPUT); pinMode(nand_R3, INPUT); delay(readDelay); /********************************************************************************** ------------------------TEST 1------------------------ **********************************************************************************/ Serial.println("Testing with inputs 1 1"); digitalWrite(nandGND, LOW); digitalWrite(nandVcc, HIGH); delay(readDelay); digitalWrite(nand_A1, HIGH); digitalWrite(nand_B1, HIGH); digitalWrite(nand_A2, HIGH); digitalWrite(nand_B2, HIGH); digitalWrite(nand_A3, HIGH); digitalWrite(nand_B3, HIGH); digitalWrite(nand_A4, HIGH); digitalWrite(nand_B4, HIGH); delay(readDelay); nand_G1 = digitalRead(nand_R1); Serial.print("Gate 1: "); Serial.print(nand_G1); nand_G2 = digitalRead(nand_R2); Serial.print("\nGate 2: "); Serial.print(nand_G2); nand_G3 = digitalRead(nand_R3); Serial.print("\nGate 3: "); Serial.print(nand_G3); nand_G4 = digitalRead(nand_R4); Serial.print("\nGate 4: "); Serial.print(nand_G4); if(nand_G1 == 0 && nand_G2 == 0 && nand_G3 == 0 && nand_G4 == 0) { test1 = true; } Serial.print("\nResult: "); Serial.println(test1); /********************************************************************************** ------------------------TEST 2------------------------ **********************************************************************************/ Serial.println("Testing with inputs 1 0"); digitalWrite(nandGND, LOW); digitalWrite(nandVcc, HIGH); delay(readDelay); digitalWrite(nand_A1, HIGH); digitalWrite(nand_B1, LOW); digitalWrite(nand_A2, HIGH); digitalWrite(nand_B2, LOW); digitalWrite(nand_A3, HIGH); digitalWrite(nand_B3, LOW); digitalWrite(nand_A4, HIGH); digitalWrite(nand_B4, LOW); delay(readDelay); nand_G1 = digitalRead(nand_R1); Serial.print("Gate 1: "); Serial.print(nand_G1); nand_G2 = digitalRead(nand_R2); Serial.print("\nGate 2: "); Serial.print(nand_G2); nand_G3 = digitalRead(nand_R3); Serial.print("\nGate 3: "); Serial.print(nand_G3); nand_G4 = digitalRead(nand_R4); Serial.print("\nGate 4: "); Serial.print(nand_G4); if(nand_G1 == 1 && nand_G2 == 1 && nand_G3 == 1 && nand_G4 == 1) { test2 = true; } Serial.print("\nResult: "); Serial.println(test2); /********************************************************************************** ------------------------TEST 3------------------------ **********************************************************************************/ Serial.println("Testing with inputs 0 1"); digitalWrite(nandGND, LOW); digitalWrite(nandVcc, HIGH); delay(readDelay); digitalWrite(nand_A1, LOW); digitalWrite(nand_B1, HIGH); digitalWrite(nand_A2, LOW); digitalWrite(nand_B2, HIGH); digitalWrite(nand_A3, LOW); digitalWrite(nand_B3, HIGH); digitalWrite(nand_A4, LOW); digitalWrite(nand_B4, HIGH); delay(readDelay); nand_G1 = digitalRead(nand_R1); Serial.print("Gate 1: "); Serial.print(nand_G1); nand_G2 = digitalRead(nand_R2); Serial.print("\nGate 2: "); Serial.print(nand_G2); nand_G3 = digitalRead(nand_R3); Serial.print("\nGate 3: "); Serial.print(nand_G3); nand_G4 = digitalRead(nand_R4); Serial.print("\nGate 4: "); Serial.print(nand_G4); if(nand_G1 == 1 && nand_G2 == 1 && nand_G3 == 1 && nand_G4 == 1) { test3 = true; } Serial.print("\nResult: "); Serial.println(test3); /********************************************************************************** ------------------------TEST 4------------------------ **********************************************************************************/ Serial.println("Testing with inputs 0 0"); digitalWrite(nandGND, LOW); digitalWrite(nandVcc, HIGH); delay(readDelay); digitalWrite(nand_A1, LOW); digitalWrite(nand_B1, LOW); digitalWrite(nand_A2, LOW); digitalWrite(nand_B2, LOW); digitalWrite(nand_A3, LOW); digitalWrite(nand_B3, LOW); digitalWrite(nand_A4, LOW); digitalWrite(nand_B4, LOW); delay(readDelay); nand_G1 = digitalRead(nand_R1); Serial.print("Gate 1: "); Serial.print(nand_G1); nand_G2 = digitalRead(nand_R2); Serial.print("\nGate 2: "); Serial.print(nand_G2); nand_G3 = digitalRead(nand_R3); Serial.print("\nGate 3: "); Serial.print(nand_G3); nand_G4 = digitalRead(nand_R4); Serial.print("\nGate 4: "); Serial.print(nand_G4); if(nand_G1 == 1 && nand_G2 == 1 && nand_G3 == 1 && nand_G4 == 1) { test4 = true; } Serial.print("\nResult: "); Serial.println(test4); /********************************************************************************** ------------------------NAND RESULTS------------------------ **********************************************************************************/ if(test1 == true && test2 == true && test3 == true && test4 == true) { test1 = test2 = test3 = test4 = false; return 1; } else { test1 = test2 = test3 = test4 = false; return 0; } }