refactor

src/main.rs

@@ -6,8 +6,6 @@ mod led;
 
 use esp_backtrace as _;
 use esp_bootloader_esp_idf::esp_app_desc;
-use esp_hal::ledc::timer::{self, TimerIFace};
-use esp_hal::ledc::{LSGlobalClkSource, Ledc, LowSpeed};
 use esp_hal::{init, rmt::Rmt, time::Rate, Config};
 use esp_println::println;
 use smart_leds::hsv::{hsv2rgb, Hsv};
@@ -24,16 +22,8 @@ fn main() -> ! {
         led::RgbLed::new(rmt.channel0, peripherals.GPIO8).expect("Failed to init RGB LED")
     };
 
-    let mut ledc = Ledc::new(peripherals.LEDC);
-    ledc.set_global_slow_clock(LSGlobalClkSource::APBClk);
-    let mut timer = ledc.timer::<LowSpeed>(timer::Number::Timer0);
-    timer
-        .configure(timer::config::Config {
-            duty: timer::config::Duty::Duty8Bit,
-            clock_source: timer::LSClockSource::APBClk,
-            frequency: Rate::from_khz(5),
-        })
-        .expect("Failed to configure backlight timer");
+    let (_ledc, timer) =
+        backlight::setup_timer(peripherals.LEDC).expect("Failed to init backlight timer");
     let mut backlight =
         backlight::LcdBacklight::new(&timer, peripherals.GPIO22).expect("Failed to init backlight");