Move the bit types to tool_helper and merge them

src/Tools/tool_helper/src/bits.rs

@@ -1,11 +1,43 @@
 pub struct BitRange {
-    pub start: usize,
-    pub len:   usize,
+    start: usize,
+    length: usize
 }
 
 impl BitRange {
-    pub const fn from_to(start: usize, end: usize) -> BitRange {
-        BitRange{start, len: (end - start + 1)}
+    pub const fn from_to(start_bit: usize, end_bit: usize) -> Self {
+        Self{start: start_bit, length: (end_bit - start_bit) + 1}
+    }
+
+    pub const fn get_mask(&self) -> usize {
+        self.max_value()
+    }
+
+    pub const fn max_value(&self) -> usize {
+        (1 << self.length) - 1
+    }
+
+    pub const fn or_value(&self, dst_value: usize, value: usize) -> usize {
+        dst_value | ((value & self.get_mask()) << self.start)
+    }
+}
+
+pub struct Bit {
+    pos: usize
+}
+
+impl Bit {
+    pub const fn at(pos: usize) -> Self {
+        Bit{pos}
+    }
+
+    pub const fn or_value(&self, dst_value: usize, is_set: bool) -> usize {
+        if is_set {
+            dst_value | (1 << self.pos)
+        }
+
+        else {
+            dst_value
+        }
     }
 }
 
@@ -13,7 +45,7 @@ macro_rules! create_bit_functions {
     ($type_val:ty) => {
         paste::item! {
             const fn [< get_mask_ $type_val >](range: &BitRange) -> $type_val {
-                (1 << range.len) - 1
+                range.get_mask() as $type_val
             }
 
             pub const fn [< clear_value_ $type_val >](dst: $type_val, range: &BitRange) -> $type_val {