/*
LUFA Library
- Copyright (C) Dean Camera, 2012.
+ Copyright (C) Dean Camera, 2021.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2021 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
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
- The author disclaim all warranties with regard to this
+ 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
/* 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() MACROS{ \
- __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" (1 << JTD), \
- "M" (_SFR_IO_ADDR(MCUCR)) \
- : "r0"); \
- }MACROE
+ #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
*
* \param[in] Condition Condition that will be evaluated.
*/
- #define JTAG_ASSERT(Condition) MACROS{ if (!(Condition)) { JTAG_DEBUG_BREAK(); } }MACROE
+ #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
*
* \param[in] Condition Condition that will be evaluated,
*/
- #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
+ #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 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.
+ /** 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.
*
*
* \return Pointer retrieved from PROGMEM space.
*/
- #define pgm_read_ptr(Address) (void*)pgm_read_word(Address)
+ #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) MACROS{ if (!(Condition)) { JTAG_DEBUG_BREAK(); } }MACROE
- #define STDOUT_ASSERT(Condition) MACROS{ if (!(x)) { \
- printf("%s: Function \"%s\", Line %d: " \
- "Assertion \"%s\" failed.\r\n"), \
- __FILE__, __func__, __LINE__, #Condition); } }MACROE
+ #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: */
projects / pub / lufa.git / blobdiff