From 704261cfdd07bc7ad98c9f3144b807e279ed6fa2 Mon Sep 17 00:00:00 2001
From: Väinö Kauppila <vaino@vke.fi>
Date: Mon, 20 Apr 2026 18:54:15 +0300
Subject: test snake

---
 fw/snake.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'fw/snake.c')

diff --git a/fw/snake.c b/fw/snake.c
index 87989ab..48ee417 100644
--- a/fw/snake.c
+++ b/fw/snake.c
@@ -43,7 +43,7 @@ static void uart_puts(const char *s) {
 }
 
 static uint8_t uart_recv(void) {
-    if (UART_STATUS & 0x02)
+    if (UART_STATUS & 0x02) // empty
         return 0;
     return UART_RX;
 }
@@ -53,7 +53,7 @@ static uint8_t uart_recv(void) {
  * Never blocks, so a stray ESC can't freeze the game. */
 static void handle_input(void) {
     uint8_t c;
-    while (1) {
+    for (int i = 0; i < 5; i++) {
         c = uart_recv();
         if (c == 0) return;
         switch (input_state) {
-- 
cgit v1.3