Rework SPI interfaces

include/sta/spi_settings.hpp

@@ -28,8 +28,8 @@ namespace sta
 
 	enum class SpiDataSize
 	{
-		BIT_8,
-		BIT_16
+		SIZE_8,
+		SIZE_16
 	};
 
 	enum class SpiBitOrder
@@ -40,14 +40,14 @@ namespace sta
 
 	enum class SpiBaudRatePrescaler
 	{
-		BRP_2,
-		BRP_4,
-		BRP_8,
-		BRP_16,
-		BRP_32,
-		BRP_64,
-		BRP_128,
-		BRP_256
+		DIV_2,
+		DIV_4,
+		DIV_8,
+		DIV_16,
+		DIV_32,
+		DIV_64,
+		DIV_128,
+		DIV_256
 	};
 
 
@@ -56,9 +56,7 @@ namespace sta
 		SpiMode     mode;
 		SpiDataSize dataSize;
 		SpiBitOrder bitOrder;
-
 		uint32_t    clkSpeed;
-		SpiBaudRatePrescaler baudRatePrescaler; /**< Subject to change */
 	};