X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/d38fa49cb6cb3804c9bb17601688a62ba466b535..beb0b2bda0c45e958e88933a055d409e42fa0a0b:/LUFA/Drivers/Peripheral/Serial.h diff --git a/LUFA/Drivers/Peripheral/Serial.h b/LUFA/Drivers/Peripheral/Serial.h index 65b40a53f..7e718fe0c 100644 --- a/LUFA/Drivers/Peripheral/Serial.h +++ b/LUFA/Drivers/Peripheral/Serial.h @@ -63,7 +63,7 @@ #endif /* Public Interface - May be used in end-application: */ - /* Macros: */ + /* Macros: */ /** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is * not set. */ @@ -74,7 +74,7 @@ */ #define SERIAL_2X_UBBRVAL(baud) (((F_CPU / 8) / baud) - 1) - /* Psuedo-Functions: */ + /* Pseudo-Function Macros: */ #if defined(__DOXYGEN__) /** Indicates whether a character has been received through the USART. * @@ -86,13 +86,6 @@ #endif /* Function Prototypes: */ - /** Initializes the USART, ready for serial data transmission and reception. - * - * \param BaudRate Baud rate to configure the USART to - * \param DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate - */ - void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed); - /** Transmits a given string located in program space (FLASH) through the USART. * * \param FlashStringPtr Pointer to a string located in program space @@ -106,6 +99,24 @@ void Serial_TxString(const char *StringPtr) ATTR_NON_NULL_PTR_ARG(1); /* Inline Functions: */ + /** Initializes the USART, ready for serial data transmission and reception. This initialises the interface to + * standard 8-bit, no parity, 1 stop bit settings suitable for most applications. + * + * \param BaudRate Serial baud rate, in bits per second + * \param DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate + */ + static inline void Serial_Init(const uint32_t BaudRate, const bool DoubleSpeed) + { + UCSR1A = (DoubleSpeed ? (1 << U2X1) : 0); + UCSR1B = ((1 << TXEN1) | (1 << RXEN1)); + UCSR1C = ((1 << UCSZ11) | (1 << UCSZ10)); + + DDRD |= (1 << 3); + PORTD |= (1 << 2); + + UBRR1 = (DoubleSpeed ? SERIAL_2X_UBBRVAL(BaudRate) : SERIAL_UBBRVAL(BaudRate)); + } + /** Transmits a given byte through the USART. * * \param DataByte Byte to transmit through the USART