Improved printable implementation; data reading with macro

src/debug/printing/printable.cpp

@@ -193,4 +193,19 @@ namespace sta
         print(buffer, digits, newline);
     }
 
+    void Printable::read(char * str, size_t length)
+    {
+        read(reinterpret_cast<uint8_t*>(str), length * sizeof(char));
+    }
+
+    void Printable::read(float * buffer, size_t length)
+    {
+        read(reinterpret_cast<uint8_t*>(buffer), length * sizeof(float));
+    }
+
+    void Printable::read(double * buffer, size_t length)
+    {
+        read(reinterpret_cast<uint8_t*>(buffer), length * sizeof(double));
+    }
+
 } // namespace sta

src/debug/printing/printable_printf.cpp

@@ -20,7 +20,7 @@ namespace sta
         printf("\r\n");
     }
 
-    void PrintablePrintf::read(char * str, size_t length)
+    void PrintablePrintf::read(uint8_t * str, size_t length)
     {
         STA_ASSERT(str != nullptr);
         STA_ASSERT(length > 0);

src/debug/printing/printable_uart.cpp

@@ -27,10 +27,10 @@ namespace sta
         intf_->release();
     }
 
-    void PrintableUART::read(char * str, size_t length)
+    void PrintableUART::read(uint8_t * buffer, size_t length)
     {
         intf_->acquire();
-        intf_->receive(reinterpret_cast<uint8_t *>(str), length);
+        intf_->receive(buffer, length);
         intf_->release();
     }