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Dick Hollenbeck <dick@softplc.com> Collect some macros, add DIM() 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1546 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2009-04-27 16:03:39 +00:00
parent 9d5921443c
commit c4ac70570a
1 changed files with 11 additions and 3 deletions
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14
src/jtag/jtag.h
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@ -40,6 +40,17 @@
#define DEBUG_JTAG_IOZ 64 #define DEBUG_JTAG_IOZ 64
#endif #endif
/*-----<Macros>--------------------------------------------------*/
/** When given an array, compute its DIMension, i.e. number of elements in the array */
#define DIM(x) (sizeof(x)/sizeof((x)[0]))
/** Calculate the number of bytes required to hold @a n TAP scan bits */
#define TAP_SCAN_BYTES(n) CEIL(n, 8)
/*-----</Macros>-------------------------------------------------*/
/* /*
* Tap states from ARM7TDMI-S Technical reference manual. * Tap states from ARM7TDMI-S Technical reference manual.
@ -236,9 +247,6 @@ typedef void* error_handler_t; /* Later on we can delete error_handler_t, but k
struct scan_field_s; struct scan_field_s;
typedef int (*in_handler_t)(u8* in_value, void* priv, struct scan_field_s* field); typedef int (*in_handler_t)(u8* in_value, void* priv, struct scan_field_s* field);
/// @brief calculates number of bytes required to hold @a n TAP scan bits
#define TAP_SCAN_BYTES(n) CEIL(n, 8)
typedef struct scan_field_s typedef struct scan_field_s
{ {
jtag_tap_t* tap; /* tap pointer this instruction refers to */ jtag_tap_t* tap; /* tap pointer this instruction refers to */