omnibus commit. hid stats. dac trait improvements. refactor to state machine style.

Cargo.toml

@@ -4,13 +4,16 @@ version = "0.1.0"
 edition = "2024"
 
 [features]
-default = ["cs4398", "hid"]
+default = ["nodac", "hid"]
 ak4490 = []
 cs4398 = []
-hid = []
+nodac = []
+hid = [ "dep:usbd-hid"]
 
 [dependencies]
+atomic = "0.6.1"
 bbqueue = "0.7.0"
+bytemuck = { version = "1.25.0", features = ["derive"] }
 cortex-m = { version = "0.7.7", features = ["critical-section-single-core"] }
 cortex-m-rt = "0.7.5"
 defmt = "1.0.1"
@@ -24,6 +27,7 @@ panic-halt = "1.0.0"
 panic-probe = { version = "1.0.0", features = ["print-defmt"] }
 static_cell = "2.1.1"
 usb-device = "0.3"
+usbd-hid = { version = "0.10.0", optional = true }
 usbd-uac2 = { version = "0.1.0", path = "../usbd_uac2", features = ["defmt"]}
 
 [profile.release]