PIC16F-3-DAC-MainFunction

void main(void) {
    // Configure PORTB as output for DAC
    TRISB = 0x00;
 
    // Configure RC0 as input for switch
    TRISCbits.TRISC0 = 1;
 
    // Initialize index variable
    uint8_t i = 0;
 
    // Initialize switch state variable
    uint8_t switchState = 0;
 
    // Main loop
    while(1) {
        // Read switch state
        switchState = PORTCbits.RC0;
 
        // Generate sinusoidal or triangular waveform based on switch state
        if (switchState == 0) {
            // Output the sine wave value to DAC
            DAC_OUT = SineTable[i++];
        } else {
            // Output the triangular wave value to DAC
            DAC_OUT = TriangleTable[i++];
        }
 
        // Delay for the desired waveform frequency
        __delay_us(390); // Adjust delay for desired frequency
 
        // Reset index if end of waveform table is reached
        if (i == 64)
            i = 0;
    }
 
    return;
}