static void send_acc_sample(struct mg_connection *nc,
const struct bm222_sample *s) {
if (s->ts == 0) return;
mg_printf_websocket_frame(
nc, WEBSOCKET_OP_TEXT,
"{\"t\": 2, \"ts\": %lf, \"x\": %d, \"y\": %d, \"z\": %d}", s->ts, s->x,
s->y, s->z);
}
static void push_data_to_all_websocket_connections(struct mg_mgr *m) {
struct mg_connection *c;
int memory_usage = (double) rand() / RAND_MAX * 100.0;
for (c = mg_next(m, NULL); c != NULL; c = mg_next(m, c)) {
if (c->flags & MG_F_IS_WEBSOCKET) {
mg_printf_websocket_frame(c, WEBSOCKET_OP_TEXT, "%d", memory_usage);
}
}
}
static void send_led(struct mg_connection *nc, double ts, unsigned char led) {
if (ts == 0) return;
mg_printf_websocket_frame(nc, WEBSOCKET_OP_TEXT,
"{\"t\": 1, \"ts\": %lf, \"v\": %d}", ts, led);
}
static void send_temp(struct mg_connection *nc, const struct temp_data *td) {
if (td->ts == 0) return;
mg_printf_websocket_frame(nc, WEBSOCKET_OP_TEXT,
"{\"t\": 0, \"ts\": %lf, \"sv\": %lf, \"dt\": %lf}",
td->ts, td->volt, td->temp);
}
