Move buffer down one place
//Move the buffer down 1
for (Count = 0; Count < (MY_BUFFER_SIZE - 1); Count++)
{
MyBuffer[Count] = MyBuffer[(Count + 1)];
}
MyBuffer[(MY_BUFFER_SIZE - 1)] = SomeNewValueBeingAdded;Move buffer up one place
//Move the buffer up 1
for (Count = (MY_BUFFER_SIZE - 1); Count > 0; Count--)
{
MyBuffer[Count] = MyBuffer[(Count - 1)];
}
MyBuffer[0] = SomeNewValueBeingAdded;Rolling sample buffer
const int MY_BUFFER_SIZE = 2048;
static int MyBufferNextValueIndex = 0;
static uint16_t MyBuffer[MY_BUFFER_SIZE];
static bool MyBufferIsFull = 0;
int Count;
int MaxIndex;
uint32_t Value;
//Add the new value to the buffer
MyBuffer[MyBufferNextValueIndex] = analogRead(A0); //<<<< Add your value to buffer
MyBufferNextValueIndex++;
if (MyBufferNextValueIndex >= MY_BUFFER_SIZE)
{
MyBufferNextValueIndex = 0;
MyBufferIsFull = 1;
}
//Get the current average value
MaxIndex = MY_BUFFER_SIZE;
if (!MyBufferIsFull)
MaxIndex = MyBufferNextValueIndex;
Value = 0;
for (Count = 0; Count < MaxIndex; Count++)
Value += MyBuffer[Count];
Value /= MaxIndex;
//Do something with it...
USEFUL?
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