Add file-level brief documentation.

Remove accidentally duplicated model-specific peripheral driver files.
This commit is contained in:
Dean Camera 2010-03-29 07:49:58 +00:00
parent ec19436d54
commit 0557676013
111 changed files with 1039 additions and 453 deletions

View file

@ -29,6 +29,7 @@
*/
/** \file
* \brief Master include file for the ADC peripheral driver.
*
* This file is the master dispatch header file for the device-specific ADC driver, for AVRs containing an ADC.
*

View file

@ -29,6 +29,7 @@
*/
/** \file
* \brief ADC peripheral driver for the U7, U6 and U4 USB AVRs.
*
* ADC driver for the AT90USB1287, AT90USB1286, AT90USB647, AT90USB646, ATMEGA16U4 and ATMEGA32U4 AVRs.
*

View file

@ -1,189 +0,0 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* SPI driver for the 8-bit AVRs.
*
* \note This file should not be included directly. It is automatically included as needed by the SPI driver
* dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
*/
/** \ingroup Group_SPI
* @defgroup Group_SPI_AVR8 8-Bit AVR SPI Driver
*
* SPI driver for the 8-bit AVRs.
*
* \note This file should not be included directly. It is automatically included as needed by the ADC driver
* dispatch header located in LUFA/Drivers/Peripheral/SPI.h.
*
* @{
*/
#ifndef __SPI_AVR8_H__
#define __SPI_AVR8_H__
/* Includes: */
#include <stdbool.h>
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_SPI_H)
#error Do not include this file directly. Include LUFA/Drivers/Peripheral/SPI.h instead.
#endif
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define SPI_USE_DOUBLESPEED (1 << SPE)
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 2. */
#define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 4. */
#define SPI_SPEED_FCPU_DIV_4 0
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 8. */
#define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPR0))
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 16. */
#define SPI_SPEED_FCPU_DIV_16 (1 << SPR0)
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 32. */
#define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (1 << SPR1))
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 64. */
#define SPI_SPEED_FCPU_DIV_64 (SPI_USE_DOUBLESPEED | (1 << SPR1) | (1 << SPR0))
/** SPI prescaler mask for SPI_Init(). Divides the system clock by a factor of 128. */
#define SPI_SPEED_FCPU_DIV_128 ((1 << SPR1) | (1 << SPR0))
/** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the rising edge. */
#define SPI_SCK_LEAD_RISING (0 << CPOL)
/** SPI clock polarity mask for SPI_Init(). Indicates that the SCK should lead on the falling edge. */
#define SPI_SCK_LEAD_FALLING (1 << CPOL)
/** SPI data sample mode mask for SPI_Init(). Indicates that the data should sampled on the leading edge. */
#define SPI_SAMPLE_LEADING (0 << CPHA)
/** SPI data sample mode mask for SPI_Init(). Indicates that the data should be sampled on the trailing edge. */
#define SPI_SAMPLE_TRAILING (1 << CPHA)
/** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */
#define SPI_MODE_SLAVE (0 << MSTR)
/** SPI mode mask for SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */
#define SPI_MODE_MASTER (1 << MSTR)
/* Inline Functions: */
/** Initialises the SPI subsystem, ready for transfers. Must be called before calling any other
* SPI routines.
*
* \param[in] SPIOptions SPI Options, a mask consisting of one of each of the SPI_SPEED_*,
* SPI_SCK_*, SPI_SAMPLE_* and SPI_MODE_* masks
*/
static inline void SPI_Init(const uint8_t SPIOptions)
{
DDRB |= ((1 << 1) | (1 << 2));
PORTB |= ((1 << 0) | (1 << 3));
SPCR = ((1 << SPE) | SPIOptions);
if (SPIOptions & SPI_USE_DOUBLESPEED)
SPSR |= (1 << SPI2X);
else
SPSR &= ~(1 << SPI2X);
}
/** Turns off the SPI driver, disabling and returning used hardware to their default configuration. */
static inline void SPI_ShutDown(void)
{
DDRB &= ~((1 << 1) | (1 << 2));
PORTB &= ~((1 << 0) | (1 << 3));
SPCR = 0;
SPSR = 0;
}
/** Sends and receives a byte through the SPI interface, blocking until the transfer is complete.
*
* \param[in] Byte Byte to send through the SPI interface
*
* \return Response byte from the attached SPI device
*/
static inline uint8_t SPI_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
static inline uint8_t SPI_TransferByte(const uint8_t Byte)
{
SPDR = Byte;
while (!(SPSR & (1 << SPIF)));
return SPDR;
}
/** Sends a byte through the SPI interface, blocking until the transfer is complete. The response
* byte sent to from the attached SPI device is ignored.
*
* \param[in] Byte Byte to send through the SPI interface
*/
static inline void SPI_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE;
static inline void SPI_SendByte(const uint8_t Byte)
{
SPDR = Byte;
while (!(SPSR & (1 << SPIF)));
}
/** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response
* byte from the attached SPI device is returned.
*
* \return The response byte from the attached SPI device
*/
static inline uint8_t SPI_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
static inline uint8_t SPI_ReceiveByte(void)
{
SPDR = 0x00;
while (!(SPSR & (1 << SPIF)));
return SPDR;
}
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

View file

@ -1,145 +0,0 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
*
* ADC driver for the 8-bit AVRs.
*
* \note This file should not be included directly. It is automatically included as needed by the USART driver
* dispatch header located in LUFA/Drivers/Peripheral/Serial.h.
*/
/** \ingroup Group_Serial
* @defgroup Group_Serial_AVR8 8-Bit AVR Serial Driver
*
* Serial driver for the 8-bit AVRs.
*
* \note This file should not be included directly. It is automatically included as needed by the ADC driver
* dispatch header located in LUFA/Drivers/Peripheral/USART.h.
*
* @{
*/
#ifndef __SERIAL_AVR8_H__
#define __SERIAL_AVR8_H__
/* Includes: */
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <stdbool.h>
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_SERIAL_H)
#error Do not include this file directly. Include LUFA/Drivers/Peripheral/Serial.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
* not set.
*/
#define SERIAL_UBBRVAL(baud) ((((F_CPU / 16) + (baud / 2)) / (baud)) - 1)
/** Macro for calculating the baud value from a given baud rate when the U2X (double speed) bit is
* set.
*/
#define SERIAL_2X_UBBRVAL(baud) ((((F_CPU / 8) + (baud / 2)) / (baud)) - 1)
/* Pseudo-Function Macros: */
#if defined(__DOXYGEN__)
/** Indicates whether a character has been received through the USART.
*
* \return Boolean true if a character has been received, false otherwise
*/
static inline bool Serial_IsCharReceived(void);
#else
#define Serial_IsCharReceived() ((UCSR1A & (1 << RXC1)) ? true : false)
#endif
/* Inline Functions: */
/** Initializes the USART, ready for serial data transmission and reception. This initializes the interface to
* standard 8-bit, no parity, 1 stop bit settings suitable for most applications.
*
* \param[in] BaudRate Serial baud rate, in bits per second
* \param[in] 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));
}
/** Turns off the USART driver, disabling and returning used hardware to their default configuration. */
static inline void Serial_ShutDown(void)
{
UCSR1A = 0;
UCSR1B = 0;
UCSR1C = 0;
DDRD &= ~(1 << 3);
PORTD &= ~(1 << 2);
UBRR1 = 0;
}
/** Transmits a given byte through the USART.
*
* \param[in] DataByte Byte to transmit through the USART
*/
static inline void Serial_TxByte(const char DataByte)
{
while (!(UCSR1A & (1 << UDRE1)));
UDR1 = DataByte;
}
/** Receives a byte from the USART.
*
* \return Byte received from the USART
*/
static inline uint8_t Serial_RxByte(void)
{
while (!(UCSR1A & (1 << RXC1)));
return UDR1;
}
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

View file

@ -29,6 +29,7 @@
*/
/** \file
* \brief TWI peripheral driver for the U7, U6 and U4 USB AVRs.
*
* Master mode TWI driver for the AT90USB1287, AT90USB1286, AT90USB647, AT90USB646, ATMEGA16U4 and ATMEGA32U4 AVRs.
*

View file

@ -29,6 +29,7 @@
*/
/** \file
* \brief Master include file for the SPI peripheral driver.
*
* Hardware SPI subsystem driver for the supported USB AVRs models.
*/

View file

@ -29,6 +29,7 @@
*/
/** \file
* \brief Master include file for the USART peripheral driver.
*
* Driver for the USART subsystem on supported USB AVRs.
*/

View file

@ -29,11 +29,13 @@
*/
/** \file
* \brief Standard avr-libc character stream driver for the USART.
*
* Serial stream driver for the USART subsystem on supported USB AVRs. This makes use of the functions in the
* regular USART driver, but allows the avr-libc standard stream functions (printf, puts, etc.) to work with the
* regular USART driver (see \ref Group_Serial), but allows the avr-libc standard stream functions (printf,
* puts, etc.) to work with the
* USART.
**/
*/
/** \ingroup Group_PeripheralDrivers
* @defgroup Group_SerialStream Serial Stream Driver - LUFA/Drivers/Peripheral/SerialStream.h
@ -44,7 +46,8 @@
*
* \section Module Description
* Serial stream driver for the USART subsystem on supported USB AVRs. This makes use of the functions in the
* regular USART driver, but allows the avr-libc standard stream functions (printf, puts, etc.) to work with the
* regular USART driver (see \ref Group_Serial), but allows the avr-libc standard stream functions (printf,
* puts, etc.) to work with the
* USART.
*
* @{

View file

@ -29,6 +29,7 @@
*/
/** \file
* \brief Master include file for the TWI peripheral driver.
*
* This file is the master dispatch header file for the device-specific ADC driver, for AVRs containing an ADC.
*