DHT11_EDGES_PER_READ
if (dht11->num_edges < DHT11_EDGES_PER_READ && dht11->num_edges >= 0) {
if (dht11->num_edges >= DHT11_EDGES_PER_READ)
if (ret == 0 && dht11->num_edges < DHT11_EDGES_PER_READ - 1) {
dht11->num_edges - DHT11_EDGES_PER_READ;
struct {s64 ts; int value; } edges[DHT11_EDGES_PER_READ];