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shuffled comments about for jtag_add_dr_out() fn. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1772 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2009-05-13 09:53:23 +00:00
parent 624aa80f84
commit c860600c6a
1 changed files with 14 additions and 7 deletions
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21
src/jtag/jtag.h
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@ -856,8 +856,15 @@ void jtag_tap_handle_event(jtag_tap_t* tap, enum jtag_tap_event e);
#define MINIDRIVER(a) notused ## a
#else
#define MINIDRIVER(a) a
extern void interface_jtag_add_dr_out(jtag_tap_t* tap, int num_fields, const int* num_bits, const u32* value,
tap_state_t end_state);
/* jtag_add_dr_out() is a faster version of jtag_add_dr_scan()
#endif
/* jtag_add_dr_out() is a version of jtag_add_dr_scan() which
* only scans data out. It operates on 32 bit integers instead
* of 8 bit, which makes it a better impedance match with
* the calling code which often operate on 32 bit integers.
*
* Current or end_state can not be TAP_RESET. end_state can be TAP_INVALID
*
@ -872,13 +879,13 @@ void jtag_tap_handle_event(jtag_tap_t* tap, enum jtag_tap_event e);
* return an error. There is no way to determine if there was a failure
* during this function call.
*
* Note that this jtag_add_dr_out can be defined as an inline function.
* This is an inline fn to speed up embedded hosts. Also note that
* interface_jtag_add_dr_out() can be a *small* inline function for
* embedded hosts.
*
* There is no jtag_add_dr_outin() version of this fn that also allows
* clocking data back in. Patches gladly accepted!
*/
extern void interface_jtag_add_dr_out(jtag_tap_t* tap, int num_fields, const int* num_bits, const u32* value,
tap_state_t end_state);
#endif
static __inline__ void jtag_add_dr_out(jtag_tap_t* tap, int num_fields, const int* num_bits, const u32* value,
tap_state_t end_state)
{