More updates to remove architecture-specific comments from the documentation, alter USBMode.h preprocessor logic to support future architectures more easily.

This commit is contained in:
Dean Camera 2011-02-20 14:43:13 +00:00
parent 28a1ee29a1
commit f3ec62b5c6
20 changed files with 64 additions and 56 deletions

View file

@ -144,10 +144,11 @@
#define JTAG_DEBUG_BREAK() __asm__ __volatile__ ("BREAK" ::)
#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.
/** 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.
*
* \param[in] Addr Address of the pointer to read.
*
@ -165,8 +166,8 @@
#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.
* 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."
*
@ -179,7 +180,7 @@
__FILE__, __func__, __LINE__, #Condition); } }MACROE
#endif
/** Forces GCC to use pointer indirection (via the AVR's pointer register pairs) when accessing the given
/** Forces GCC to use pointer indirection (via the device'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
* a pointer, resulting in a larger binary. When this macro is used on a (non \c const) structure pointer before
* use, it will force GCC to use pointer indirection on the elements rather than direct store and load