Always limit blink to ~1 second intervals

9 years ago · 0b4f65dca8
parent 0d6609c3c5
commit 0b4f65dca8
1 changed files with 3 additions and 2 deletions
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@ -1822,9 +1822,10 @@ int lcd_strlen_P(const char* s) {
 bool lcd_blink() {
  static uint8_t blink = 0;
  static millis_t next_blink_ms = 0;
-  if (millis() >= next_blink_ms) {
+  millis_t ms = millis();
+  if (ms >= next_blink_ms) {
    blink ^= 0xFF;
-    next_blink_ms = millis() + LCD_UPDATE_INTERVAL - 50;
+    next_blink_ms = ms + 1000 - LCD_UPDATE_INTERVAL / 2;
  }
  return blink != 0;
 }