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@ -33,9 +33,14 @@
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* Driver for the USART subsystem on supported USB AVRs.
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* Driver for the USART subsystem on supported USB AVRs.
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*/
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*/
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/** \ingroup Group_SubsystemDrivers
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/** \ingroup Group_PeripheralDrivers
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* @defgroup Group_Serial Serial USART Driver - LUFA/Drivers/Peripheral/Serial.h
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* @defgroup Group_Serial Serial USART Driver - LUFA/Drivers/Peripheral/Serial.h
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*
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*
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* \section Sec_Dependencies Module Source Dependencies
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* The following files must be built with any user project that uses this module:
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* - LUFA/Drivers/Peripheral/Serial.c
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*
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* \section Module Description
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* Functions, macros, variables, enums and types related to the setup of the USART for serial communications.
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* Functions, macros, variables, enums and types related to the setup of the USART for serial communications.
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*
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*
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* @{
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* @{
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@ -59,11 +64,6 @@
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/* Public Interface - May be used in end-application: */
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/* Macros: */
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/** Indicates whether a character has been received through the USART - boolean false if no character
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* has been received, or non-zero if a character is waiting to be read from the reception buffer.
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*/
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#define Serial_IsCharReceived() ((UCSR1A & (1 << RXC1)) ? true : false)
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/** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
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/** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
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* not set.
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* not set.
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*/
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*/
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@ -74,6 +74,17 @@
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*/
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*/
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#define SERIAL_2X_UBBRVAL(baud) (((F_CPU / 8) / baud) - 1)
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#define SERIAL_2X_UBBRVAL(baud) (((F_CPU / 8) / baud) - 1)
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/* Psuedo-Functions: */
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#if defined(__DOXYGEN__)
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/** Indicates whether a character has been received through the USART.
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*
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* \return Boolean true if a character has been received, false otherwise
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*/
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static inline bool Serial_IsCharReceived(void);
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#else
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#define Serial_IsCharReceived() ((UCSR1A & (1 << RXC1)) ? true : false)
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#endif
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/* Function Prototypes: */
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/* Function Prototypes: */
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/** Initializes the USART, ready for serial data transmission and reception.
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/** Initializes the USART, ready for serial data transmission and reception.
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*
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*
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Dean Camera
16 years ago