update echo server

1 files changed, 1 insertions, 2 deletions

diff --git a/main.c b/main.c
index 9f2b7fb..d3e142c 100644
--- a/main.c
+++ b/main.c
@@ -27,8 +27,7 @@ void worker() {
 
     if (length > 0) {
       debug_led(1, 1);
-      char lstr = ((char) length) + '0';
-      write(&usart0, &lstr, sizeof(lstr));
+      write(&usart0, buffer, length);
     } else {
       debug_led(2, 1);
       WAIT_CYCLES(30000);