diff options
Diffstat (limited to 'components/screen')
| -rw-r--r-- | components/screen/screen.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/components/screen/screen.c b/components/screen/screen.c index c6de3c7..45f89f7 100644 --- a/components/screen/screen.c +++ b/components/screen/screen.c @@ -179,7 +179,10 @@ void test_screen(struct Screen* screen) void display(struct Screen* screen, char digits[4]) { for (uint8_t i = 0; i < 4; ++i) { - screen->nixies[i].digit = digits[i] - '0'; - set_digit(screen->mcp, &(screen->nixies[i])); // Call set_digit function + uint8_t digit = digits[i] - '0'; + if (screen->nixies[i].digit != digit){ + screen->nixies[i].digit = digit; + set_digit(screen->mcp, &(screen->nixies[i])); // Call set_digit function + } } }
\ No newline at end of file |