Add new ARCH option to the makefiles to (eventually) specify the target device architecture. Update non-usb peripheral drivers to reflect future multiple architecture support.

This commit is contained in:
Dean Camera 2011-02-19 18:37:22 +00:00
parent 100a197d0e
commit 3d4d8e7f62
196 changed files with 1271 additions and 730 deletions

View file

@ -35,7 +35,7 @@
* also includes other common code headers.
*/
/** @defgroup Group_Common Common Utility Headers - LUFA/Drivers/Common/Common.h
/** \defgroup Group_Common Common Utility Headers - LUFA/Drivers/Common/Common.h
*
* Common utility headers containing macros, functions, enums and types which are common to all
* aspects of the library.
@ -43,25 +43,41 @@
* @{
*/
/** @defgroup Group_Debugging Debugging Macros
/** \defgroup Group_Debugging Debugging Macros
*
* Macros for debugging use.
*/
/** @defgroup Group_BitManip Endian and Bit Macros
/** \defgroup Group_BitManip Endian and Bit Macros
*
* Functions for swapping endianness and reversing bit orders.
*/
#ifndef __COMMON_H__
#define __COMMON_H__
#ifndef __LUFA_COMMON_H__
#define __LUFA_COMMON_H__
/* Macros: */
#if !defined(__DOXYGEN__)
#define __INCLUDE_FROM_COMMON_H
#endif
/* Includes: */
#include <stdint.h>
#include <stdbool.h>
#include "Architectures.h"
#include "Attributes.h"
#include "BoardTypes.h"
/* Architecture specific utility includes: */
#if (ARCH == ARCH_AVR8)
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/eeprom.h>
#include <util/atomic.h>
#include <util/delay.h>
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
@ -89,7 +105,9 @@
*
* \return The larger of the two input parameters
*/
#define MAX(x, y) ((x > y) ? x : y)
#if !defined(MAX) || defined(__DOXYGEN__)
#define MAX(x, y) ((x > y) ? x : y)
#endif
/** Convenience macro to determine the smaller of two values.
*
@ -101,44 +119,61 @@
*
* \return The smaller of the two input parameters
*/
#define MIN(x, y) ((x < y) ? x : y)
#if !defined(MIN) || defined(__DOXYGEN__)
#define MIN(x, y) ((x < y) ? x : y)
#endif
/** Defines a volatile \c NOP statement which cannot be optimized out by the compiler, and thus can always
* be set as a breakpoint in the resulting code. Useful for debugging purposes, where the optimiser
* removes/reorders code to the point where break points cannot reliably be set.
*
* \ingroup Group_Debugging
*/
#define JTAG_DEBUG_POINT() __asm__ __volatile__ ("NOP" ::)
#if (ARCH == ARCH_AVR8)
/** Defines a volatile \c NOP statement which cannot be optimized out by the compiler, and thus can always
* be set as a breakpoint in the resulting code. Useful for debugging purposes, where the optimiser
* removes/reorders code to the point where break points cannot reliably be set.
*
* \ingroup Group_Debugging
*/
#define JTAG_DEBUG_POINT() __asm__ __volatile__ ("NOP" ::)
/** Defines an explicit JTAG break point in the resulting binary via the assembly \c BREAK statement. When
* a JTAG is used, this causes the program execution to halt when reached until manually resumed.
*
* \ingroup Group_Debugging
*/
#define JTAG_DEBUG_BREAK() __asm__ __volatile__ ("BREAK" ::)
/** Defines an explicit JTAG break point in the resulting binary via the assembly \c BREAK statement. When
* a JTAG is used, this causes the program execution to halt when reached until manually resumed.
*
* \ingroup Group_Debugging
*/
#define JTAG_DEBUG_BREAK() __asm__ __volatile__ ("BREAK" ::)
/** Macro for testing condition "x" and breaking via \ref JTAG_DEBUG_BREAK() if the condition is false.
*
* \param[in] Condition Condition that will be evaluated,
*
* \ingroup Group_Debugging
*/
#define JTAG_DEBUG_ASSERT(Condition) MACROS{ if (!(Condition)) { JTAG_DEBUG_BREAK(); } }MACROE
#if !defined(pgm_read_ptr) || defined(__DOXYGEN__)
/** Reads a pointer out of PROGMEM space. This is currently a wrapper for the avr-libc \c pgm_read_ptr()
* macro with a \c void* cast, so that its value can be assigned directly to a pointer variable or used
* in pointer arithmetic without further casting in C. In a future avr-libc distribution this will be
* part of the standard API and will be implemented in a more formal manner.
*
* \param[in] Addr Address of the pointer to read.
*
* \return Pointer retrieved from PROGMEM space.
*/
#define pgm_read_ptr(Addr) (void*)pgm_read_word(Addr)
#endif
/** Macro for testing condition "x" and writing debug data to the stdout stream if \c false. The stdout stream
* must be pre-initialized before this macro is run and linked to an output device, such as the AVR's USART
* peripheral.
*
* The output takes the form "{FILENAME}: Function {FUNCTION NAME}, Line {LINE NUMBER}: Assertion {Condition} failed."
*
* \param[in] Condition Condition that will be evaluated,
*
* \ingroup Group_Debugging
*/
#define STDOUT_ASSERT(Condition) MACROS{ if (!(x)) { printf_P(PSTR("%s: Function \"%s\", Line %d: " \
"Assertion \"%s\" failed.\r\n"), \
__FILE__, __func__, __LINE__, #Condition); } }MACROE
/** Macro for testing condition "x" and breaking via \ref JTAG_DEBUG_BREAK() if the condition is false.
*
* \param[in] Condition Condition that will be evaluated,
*
* \ingroup Group_Debugging
*/
#define JTAG_DEBUG_ASSERT(Condition) MACROS{ if (!(Condition)) { JTAG_DEBUG_BREAK(); } }MACROE
/** Macro for testing condition "x" and writing debug data to the stdout stream if \c false. The stdout stream
* must be pre-initialized before this macro is run and linked to an output device, such as the AVR's USART
* peripheral.
*
* The output takes the form "{FILENAME}: Function {FUNCTION NAME}, Line {LINE NUMBER}: Assertion {Condition} failed."
*
* \param[in] Condition Condition that will be evaluated,
*
* \ingroup Group_Debugging
*/
#define STDOUT_ASSERT(Condition) MACROS{ if (!(x)) { printf_P(PSTR("%s: Function \"%s\", Line %d: " \
"Assertion \"%s\" failed.\r\n"), \
__FILE__, __func__, __LINE__, #Condition); } }MACROE
#endif
/** Forces GCC to use pointer indirection (via the AVR's pointer register pairs) when accessing the given
* struct pointer. In some cases GCC will emit non-optimal assembly code when accessing a structure through
@ -150,19 +185,6 @@
*/
#define GCC_FORCE_POINTER_ACCESS(StructPtr) __asm__ __volatile__("" : "=b" (StructPtr) : "0" (StructPtr))
#if !defined(pgm_read_ptr) || defined(__DOXYGEN__)
/** Reads a pointer out of PROGMEM space. This is currently a wrapper for the avr-libc \c pgm_read_ptr()
* macro with a \c void* cast, so that its value can be assigned directly to a pointer variable or used
* in pointer arithmetic without further casting in C. In a future avr-libc distribution this will be
* part of the standard API and will be implemented in a more formal manner.
*
* \param[in] Addr Address of the pointer to read.
*
* \return Pointer retrieved from PROGMEM space.
*/
#define pgm_read_ptr(Addr) (void*)pgm_read_word(Addr)
#endif
/** Swaps the byte ordering of a 16-bit value at compile time. Do not use this macro for swapping byte orderings
* of dynamic values computed at runtime, use \ref SwapEndian_16() instead. The result of this macro can be used
* inside struct or other variable initializers outside of a function, something that is not possible with the