186 lines
9.2 KiB
C
186 lines
9.2 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2017.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2017 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 disclaims 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
|
|
* \brief Architecture specific definitions relating to specific processor architectures.
|
|
*
|
|
* \copydetails Group_ArchitectureSpecific
|
|
*
|
|
* \note Do not include this file directly, rather include the Common.h header file instead to gain this file's
|
|
* functionality.
|
|
*/
|
|
|
|
/** \ingroup Group_Common
|
|
* \defgroup Group_ArchitectureSpecific Architecture Specific Definitions
|
|
* \brief Architecture specific definitions relating to specific processor architectures.
|
|
*
|
|
* Architecture specific macros, functions and other definitions, which relate to specific architectures. This
|
|
* definitions may or may not be available in some form on other architectures, and thus should be protected by
|
|
* preprocessor checks in portable code to prevent compile errors.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef __LUFA_ARCHSPEC_H__
|
|
#define __LUFA_ARCHSPEC_H__
|
|
|
|
/* Preprocessor Checks: */
|
|
#if !defined(__INCLUDE_FROM_COMMON_H)
|
|
#error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality.
|
|
#endif
|
|
|
|
/* Enable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Public Interface - May be used in end-application: */
|
|
/* Macros: */
|
|
#if (ARCH == ARCH_AVR8) || (ARCH == ARCH_XMEGA) || defined(__DOXYGEN__)
|
|
#if (ARCH == ARCH_AVR8) || defined(__DOXYGEN__)
|
|
/** Re-enables the AVR's JTAG bus in software, until a system reset. This will re-enable JTAG debugging
|
|
* interface after is has been disabled in software via \ref JTAG_DISABLE().
|
|
*
|
|
* \note This macro is not available for all architectures.
|
|
*/
|
|
#define JTAG_ENABLE() do { \
|
|
__asm__ __volatile__ ( \
|
|
"in __tmp_reg__,__SREG__" "\n\t" \
|
|
"cli" "\n\t" \
|
|
"out %1, %0" "\n\t" \
|
|
"out __SREG__, __tmp_reg__" "\n\t" \
|
|
"out %1, %0" "\n\t" \
|
|
: \
|
|
: "r" (MCUCR & ~(1 << JTD)), \
|
|
"M" (_SFR_IO_ADDR(MCUCR)) \
|
|
: "r0"); \
|
|
} while (0)
|
|
|
|
/** Disables the AVR's JTAG bus in software, until a system reset. This will override the current JTAG
|
|
* status as set by the JTAGEN fuse, disabling JTAG debugging and reverting the JTAG pins back to GPIO
|
|
* mode.
|
|
*
|
|
* \note This macro is not available for all architectures.
|
|
*/
|
|
#define JTAG_DISABLE() do { \
|
|
__asm__ __volatile__ ( \
|
|
"in __tmp_reg__,__SREG__" "\n\t" \
|
|
"cli" "\n\t" \
|
|
"out %1, %0" "\n\t" \
|
|
"out __SREG__, __tmp_reg__" "\n\t" \
|
|
"out %1, %0" "\n\t" \
|
|
: \
|
|
: "r" (MCUCR | (1 << JTD)), \
|
|
"M" (_SFR_IO_ADDR(MCUCR)) \
|
|
: "r0"); \
|
|
} while (0)
|
|
#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 optimizer
|
|
* removes/reorders code to the point where break points cannot reliably be set.
|
|
*
|
|
* \note This macro is not available for all architectures.
|
|
*/
|
|
#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.
|
|
*
|
|
* \note This macro is not available for all architectures.
|
|
*/
|
|
#define JTAG_DEBUG_BREAK() __asm__ __volatile__ ("break" ::)
|
|
|
|
/** Macro for testing condition "x" and breaking via \ref JTAG_DEBUG_BREAK() if the condition is false.
|
|
*
|
|
* \note This macro is not available for all architectures.
|
|
*
|
|
* \param[in] Condition Condition that will be evaluated.
|
|
*/
|
|
#define JTAG_ASSERT(Condition) do { \
|
|
if (!(Condition)) \
|
|
JTAG_DEBUG_BREAK(); \
|
|
} while (0)
|
|
|
|
/** Macro for testing condition \c "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 microcontroller's
|
|
* USART peripheral.
|
|
*
|
|
* The output takes the form "{FILENAME}: Function {FUNCTION NAME}, Line {LINE NUMBER}: Assertion {Condition} failed."
|
|
*
|
|
* \note This macro is not available for all architectures.
|
|
*
|
|
* \param[in] Condition Condition that will be evaluated,
|
|
*/
|
|
#define STDOUT_ASSERT(Condition) do { \
|
|
if (!(Condition)) \
|
|
printf_P(PSTR("%s: Function \"%s\", Line %d: " \
|
|
"Assertion \"%s\" failed.\r\n"), \
|
|
__FILE__, __func__, __LINE__, #Condition); \
|
|
} while (0)
|
|
|
|
#if !defined(pgm_read_ptr) || defined(__DOXYGEN__)
|
|
/** Reads a pointer out of PROGMEM space on the AVR8 architecture. This is a wrapper for the avr-libc
|
|
* \c pgm_read_word() 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.
|
|
*
|
|
* \note This macro is not available for all architectures.
|
|
*
|
|
* \param[in] Address Address of the pointer to read.
|
|
*
|
|
* \return Pointer retrieved from PROGMEM space.
|
|
*/
|
|
#define pgm_read_ptr(Address) (void*)pgm_read_word(Address)
|
|
#endif
|
|
#elif (ARCH == ARCH_UC3)
|
|
#define JTAG_DEBUG_POINT() __asm__ __volatile__ ("nop" ::)
|
|
#define JTAG_DEBUG_BREAK() __asm__ __volatile__ ("breakpoint" ::)
|
|
#define JTAG_ASSERT(Condition) do { \
|
|
if (!(Condition)) \
|
|
JTAG_DEBUG_BREAK(); \
|
|
} while (0)
|
|
#define STDOUT_ASSERT(Condition) do { \
|
|
if (!(Condition)) \
|
|
printf("%s: Function \"%s\", Line %d: " \
|
|
"Assertion \"%s\" failed.\r\n", \
|
|
__FILE__, __func__, __LINE__, #Condition); \
|
|
} while (0)
|
|
#endif
|
|
|
|
/* Disable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/** @} */
|
|
|