Start of data_to_text family

src/number_system_conversion.rs

@@ -94,7 +94,24 @@ impl NumberSystemConversion {
         (high as u16) << 8 | low as u16
     }
 
-    pub fn join_bytes_u16_from_u8(high: u8, low: u8) -> u16 {
-        low as u16 | ((high as u16) << 8)
+
+    /// clear_high_bits
+    ///
+    /// Clear the 8 MSB of the value
+    ///
+    /// ex:  0xffff -> 0x00ff
+    ///      0xabcd -> 0x00cd
+    pub fn clear_high_bits(to_clear: u16) -> u16 {
+       to_clear & 0x00ff
+    }
+
+    /// clear_low_bits
+    ///
+    /// Clear the 8 LSB of the value
+    ///
+    /// ex:  0xffff -> 0xff00
+    ///      0xabcd -> 0xab00
+    pub fn clear_low_bits(to_clear: u16) -> u16 {
+        to_clear & 0xff00
     }
 }