int main() {
Fifo fifo;
fifo_init(&fifo);
printf("Size (0): %i\n", fifo_size(&fifo));
char c;
// put a char
fifo_put(&fifo, 'a');
printf("%i %i\n",fifo.in, fifo.out);
printf("Size (1): %i\n", fifo_size(&fifo));
fifo_pop(&fifo, &c);
printf("Pop a: %c\n",c);
// Pop when zero elements
printf("Pop (0,a): %i, %c\n", fifo_pop(&fifo, &c), c);
// Print the size
fifo_put(&fifo, 'a');
printf("Size (1): %i\n", fifo_size(&fifo));
fifo_pop(&fifo, &c);
// put several chars
fifo_put(&fifo, 'a');
fifo_put(&fifo, 'b');
fifo_put(&fifo, 'c');
printf("Size (3): %i\n", fifo_size(&fifo));
fifo_pop(&fifo, &c);
printf("Pop a: %c\n",c);
fifo_pop(&fifo, &c);
printf("Pop b: %c\n",c);
fifo_pop(&fifo, &c);
printf("Pop c: %c\n",c);
// Print int 1
fifo_put(&fifo, 1);
fifo_pop(&fifo, &c);
printf("Pop 1: %i\n",c);
// put negative number
fifo_put(&fifo, -127);
fifo_pop(&fifo, &c);
printf("Pop -127: %i\n",c);
// Check peek
fifo_put(&fifo, 34);
fifo_peek(&fifo, &c);
printf("Peek 34: %i\n",c);
printf("Size 1: %i\n", fifo_size(&fifo));
fifo_pop(&fifo,&c);
// Check peek 2
fifo_put(&fifo, 75);
fifo_put(&fifo, 32);
fifo_peek_at(&fifo, &c, 1);
printf("Peek 32: %i\n",c);
printf("Size 2: %i\n", fifo_size(&fifo));
// overflowtest (does not add any more elements)
printf("Size (2): %i\n", fifo_size(&fifo));
int j;
for(j = 0; j < 130; j++) {
//printf("Size: %i (%i,%i)\n", fifo_size(&fifo), fifo.in, fifo.out);
fifo_put(&fifo, j);
}
printf("Size (127): %i\n", fifo_size(&fifo));
//printf("in: %i, out: %i\n", fifo.in, fifo.out);
fifo_pop(&fifo, &c);
printf("Pop 75: %i\n", c);
fifo_pop(&fifo, &c);
printf("Pop 32: %i\n", c);
printf("Size (125): %i\n", fifo_size(&fifo));
// Second FIFO
Fifo fifo2;
fifo_init(&fifo);
fifo_put(&fifo2, 'b');
printf("Size: %i\n", fifo_size(&fifo2));
fifo_pop(&fifo2, &c);
printf("Pop b: %c\n",c);
return 1;
}
uint32_t fifo_peek(fifo_t* p_fifo, void* p_elem)
{
return fifo_peek_at(p_fifo, p_elem, 0);
}
