[peripheral] Add Bitrate user-defined literal

Author: salkinium

src/modm/architecture/interface/peripheral.hpp

@@ -22,6 +22,8 @@ namespace modm
 {
 
 using baudrate_t = uint32_t;
+using bitrate_t = uint32_t;
+
 namespace literals
 {
 	constexpr baudrate_t operator "" _Bd(unsigned long long int baudrate)
@@ -34,6 +36,17 @@ namespace literals
 	{ return baudrate * 1'000'000; }
 	constexpr baudrate_t operator "" _MBd(long double baudrate)
 	{ return baudrate * 1'000'000; }
+
+	constexpr baudrate_t operator "" _bps(unsigned long long int baudrate)
+	{ return baudrate; }
+	constexpr baudrate_t operator "" _kbps(unsigned long long int baudrate)
+	{ return baudrate * 1'000; }
+	constexpr baudrate_t operator "" _kbps(long double baudrate)
+	{ return baudrate * 1'000; }
+	constexpr baudrate_t operator "" _Mbps(unsigned long long int baudrate)
+	{ return baudrate * 1'000'000; }
+	constexpr baudrate_t operator "" _Mbps(long double baudrate)
+	{ return baudrate * 1'000'000; }
 }
 
 /**