Add DMA channels to metapac

Author: i509VCB

mspm0-metapac-gen/res/metadata.rs

@@ -6,7 +6,7 @@ pub struct Metadata {
     pub pincm_mappings: &'static [PinCmMapping],
     // pub nvic_priority_bits: Option<u8>,
     pub interrupts: &'static [Interrupt],
-    // pub dma_channels: &'static [DmaChannel],
+    pub dma_channels: &'static [DmaChannel],
 }
 
 #[derive(Debug, Eq, PartialEq, Clone)]
@@ -35,3 +35,12 @@ pub struct Interrupt {
     pub name: &'static str,
     pub number: u32,
 }
+
+#[derive(Debug, Eq, PartialEq, Clone)]
+pub struct DmaChannel {
+    /// The number of the dma channel.
+    pub number: u8,
+
+    /// Whether this is a full or basic dma channel.
+    pub full: bool,
+}

mspm0-metapac-gen/src/metadata.rs

@@ -43,12 +43,27 @@ pub fn generate(name: &str, chip: &Chip) -> TokenStream {
         });
     }
 
+    let mut dma_channels = Vec::new();
+
+    for (&num, channel) in chip.dma_channels.iter() {
+        let number = Literal::u32_unsuffixed(num);
+        let full = channel.full;
+
+        dma_channels.push(quote! {
+            DmaChannel {
+                number: #number,
+                full: #full,
+            }
+        });
+    }
+
     quote! {
         pub static METADATA: Metadata = Metadata {
             name: #name,
             peripherals: &[#(#peripherals),*],
             pincm_mappings: &[#(#pincm_mappings),*],
             interrupts: &[#(#interrupts),*],
+            dma_channels: &[#(#dma_channels),*],
         };
     }
 }