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#include <stdio.h>
#include<stdbool.h>
int note[] = {261, 293, 329, 349, 392, 440, 494, 523}; // from note[0] to note[7]
const int MAX = 8;
int recorded[8]; // for saving melody
int i; // for 'for loop'
int m;
bool startrecording = true; // change this to 'false' if you want to turn back to 'just play' mode
float U_ADC0 = 5; // here, I start by pushing button PB1
// change this value to check the output. For sure, you will get this (voltage) value from your ADC conversion
// so, this is for checking purposes only...
void play(float U_ADC0){ // function for 'just play'
if(U_ADC0 >= 4.80) { // ADC conversion (Voltage value) PB1
m = note[0]; // m = 261
printf("%d ", m); // I deleted everything else that I cannot use in these if statements for checking purposes.
} // You can copy your code into these if statements
if(U_ADC0 < 4.80 && U_ADC0 >= 4.70){ //PB2
m = note[1]; // m = 293
printf("%d ", m);
}
if(U_ADC0 < 4.72 && U_ADC0 >= 4.65){ //PB3
m = note[2]; // m = 329
printf("%d ", m);
}
if(U_ADC0 < 4.60 && U_ADC0 >= 4.50){ //PB4
m = note[3]; // m = 349
printf("%d ", m);
}
if(U_ADC0 < 4.20 && U_ADC0 >= 4.05){ //PB5
m = note[4]; // m = 392
printf("%d ", m);
}
if(U_ADC0 < 3.80 && U_ADC0 >= 3.70){ //PB6
m = note[5]; // m = 440
printf("%d ", m);
}
if(U_ADC0 < 3.55 && U_ADC0 >= 3.30){ //PB7
m = note[6]; // m = 494
printf("%d ", m);
}
if(U_ADC0 < 2.55 && U_ADC0 >= 2.45){ //PB8
m = note[7]; // m = 523
printf("%d ", m);
}
}
void recordandplay()
{
play(U_ADC0);
if(i<7) // i starts from 0 and can go up to 7, which is enough for us to check all the 8 slots (bits) in the array
{
switch(i)
{
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: // check 'i' is what number (starts from 0)
recorded[i] = m; // then take that number write the value in the corresponding place
i++; // then go to the next bit and wait for another button to get pushed
break; // go out of this switch and wait for the next one, but remember now i is equal to 1, so whatever value you give, it will be stored in the first bit of 'recorded' array
} // switch end
} // if end
} // recordandplay function end
int main()
{
int run_times;
for(run_times=0; run_times < 2; run_times++) // let's say I am going to push 2 different buttons (we run 2 times)
{ // We start with 'U_ADC0 = 5' (go to the beginning of your code - global variables),
// but in your case it will change depending on which button you press
if(startrecording) // if you have pushed the 'startrecording' button, it is going to call the 'recordandplay' function
{
recordandplay(); // I pushed button PB0 first in this function since 'U_ADC0 = 5'
U_ADC0 = 3.4; // now, I push button PB7 for the next run (2nd and also the last run)
}
else
{
play(U_ADC0); // otherwise, just play
}
}
for(i=0; i<8; i++){ // let's see what's in each bit of 'recorded' array
printf("\n bit %d holds the value: %d", i, recorded[i]);
}
return 0;
}
