From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Mon, 27 Apr 2009 16:03:39 +0000 (+0000)
Subject: Dick Hollenbeck <dick@softplc.com> Collect some macros, add DIM()
X-Git-Tag: v0.2.0~958
X-Git-Url: https://review.openocd.org/gitweb?a=commitdiff_plain;h=c4ac70570adefe5de557049e245d0ade732b5496;p=openocd.git

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
---

diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index a1291eee3c..434320b495 100644
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -40,6 +40,17 @@
 #define DEBUG_JTAG_IOZ 64
 #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.
@@ -236,9 +247,6 @@ typedef void* error_handler_t;  /* Later on we can delete error_handler_t, but k
 struct scan_field_s;
 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
 {
 	jtag_tap_t* tap;                /* tap pointer this instruction refers to */