Pregnancy_testercode.txt

#include <reg51.h>

// Define LED pins
sbit LED_Positive = P1^0;
sbit LED_Negative = P1^1;

// Define Button pins
sbit Button = P3^2;

// Define Hormone Sensor input pin
sbit HormoneSensor = P0^0;

// Function to initialize the microcontroller
void Initialize() {
    LED_Positive = 0; // Clear LED
    LED_Negative = 0; // Clear LED
}

// Function to read hormone levels from the sensor
unsigned int ReadHormoneLevels() {
    unsigned int hormoneLevel;
    
    // Configure ADC
    ADCON = 0x80;   // Turn on ADC and set conversion clock to Fosc/32
    P1ASF = 0x01;   // Set P1.0 as analog input
    
    // Start ADC conversion
    ADCF = 0x00;    // Clear ADC result flags
    ADCCON0 = 0x01; // Start ADC conversion on channel 0
    
    // Wait for ADC conversion to complete
    while (!ADCF);
    
    // Read ADC result
    hormoneLevel = ADCH;
    
    // Turn off ADC
    ADCON = 0x00;   // Turn off ADC
    
    return hormoneLevel;
}

}

// Function to check for pregnancy based on hormone levels
unsigned char CheckPregnancy() {
    unsigned int hormoneLevel = ReadHormoneLevels();
    
    // Define a threshold value for positive pregnancy detection
    unsigned int threshold = 800; // Adjust this based on your sensor's characteristics
    
    if (hormoneLevel >= threshold) {
        return 1; // Positive result
    }
    
    return 0; // Negative result
}

void main() {
    Initialize();
    
    while (1) {
        if (CheckPregnancy()) {
            LED_Positive = 1; // Turn on Positive LED
            LED_Negative = 0; // Turn off Negative LED
        } else {
            LED_Positive = 0; // Turn off Positive LED
            LED_Negative = 1; // Turn on Negative LED
        }
    }
}