Add type-C current definition

src/lib.rs

@@ -2,6 +2,7 @@
 
 pub mod asynchronous;
 pub mod pdo;
+pub mod type_c;
 
 /// Port ID new type
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]

src/type_c.rs

@@ -0,0 +1,29 @@
+/// Type-C current
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
+pub enum Current {
+    /// Default USB current
+    #[default]
+    UsbDefault,
+    /// 1.5A
+    Current1A5,
+    /// 3A0
+    Current3A0,
+}
+
+impl Current {
+    /// Returns the current in mA
+    pub fn to_ma(self, is_usb2: bool) -> u16 {
+        match self {
+            Current::UsbDefault => {
+                if is_usb2 {
+                    500
+                } else {
+                    900
+                }
+            }
+            Current::Current1A5 => 1500,
+            Current::Current3A0 => 3000,
+        }
+    }
+}