fix readme

example/Makefile

@@ -96,7 +96,7 @@ endif
 
 # ADD NEW EXAMPLES HERE
 _c_src := src/announce.c src/brightness_tester.c src/header_logger.c \
-	src/moving_line.c src/random_stuff.c src/wiping_clear.c src/undefined.c
+	src/moving_line.c src/random_stuff.c src/wiping_clear.c src/undefined.c src/flut.c
 _programs := $(basename $(notdir $(_c_src)))
 _bins := $(_programs)
 _unstripped_bins := $(addsuffix _unstripped, $(_bins))

example/src/flut.c

@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <signal.h>
+#include "servicepoint.h"
+
+volatile bool aborted = false;
+
+void handle_sigint(int sig) {
+  (void)sig; // suppress unused warning
+  aborted = true;
+}
+
+int main(void) {
+    UdpSocket *connection = sp_udp_socket_open("172.23.42.29:2342");
+    if (connection == NULL)
+        return 1;
+
+    Bitmap *pixels = sp_bitmap_new(PIXEL_WIDTH, PIXEL_HEIGHT);
+    sp_bitmap_fill(pixels, true);
+
+    BitmapCommand *command = sp_bitmap_command_new(pixels, 0, 0, COMPRESSION_CODE_LZMA);
+    Packet *packet = sp_bitmap_command_try_into_packet(command);
+
+    signal(SIGINT, handle_sigint);
+    size_t packets_sent = 0;
+    while (!aborted && sp_udp_socket_send_packet(connection, sp_packet_clone(packet))) {
+        ++packets_sent;
+    }
+
+    printf("packets sent: %zu\n", packets_sent);
+    sp_packet_free(packet);
+    sp_udp_socket_free(connection);
+    return 0;
+}