修复背光干扰

losehu · Aug 11, 2024 · bd0bdc4 · bd0bdc4
1 parent b02e071
commit bd0bdc4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/driver/backlight.c b/driver/backlight.c
@@ -27,7 +27,7 @@ bool backlightOn;
 
 void BACKLIGHT_InitHardware() {
     // 48MHz / 94 / 1024 ~ 500Hz
-    const uint32_t PWM_FREQUENCY_HZ = 1000;
+    const uint32_t PWM_FREQUENCY_HZ = 25000;
     PWM_PLUS0_CLKSRC |= ((48000000 / 1024 / PWM_FREQUENCY_HZ) << 16);
     PWM_PLUS0_PERIOD = 1023;