From 0cba0d4df3fe120f08945703506f8405760325c9 Mon Sep 17 00:00:00 2001
From: ntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Sat, 13 Dec 2008 12:44:39 +0000
Subject: - remove target specific variant and use target->variant member - fix
 build warning in cortex_m3 - code cleanup - remove trailing lf and convert
 c++ comments

git-svn-id: svn://svn.berlios.de/openocd/trunk@1238 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
 src/jtag/bitbang.c |   2 -
 src/jtag/bitq.c    |  12 -----
 src/jtag/dummy.c   |   6 ---
 src/jtag/ep93xx.c  |   4 +-
 src/jtag/gw16012.c |  34 +++++++-------
 src/jtag/jtag.c    | 127 ++++++++++++++++++++---------------------------------
 src/jtag/jtag.h    |  40 ++++++-----------
 src/jtag/presto.c  |  25 -----------
 src/jtag/usbprog.c |  30 ++++++-------
 9 files changed, 95 insertions(+), 185 deletions(-)

(limited to 'src/jtag')

diff --git a/src/jtag/bitbang.c b/src/jtag/bitbang.c
index fbfffd36..8c4a3761 100644
--- a/src/jtag/bitbang.c
+++ b/src/jtag/bitbang.c
@@ -39,7 +39,6 @@
 
 bitbang_interface_t *bitbang_interface;
 
-
 /* DANGER!!!! clock absolutely *MUST* be 0 in idle or reset won't work!
  *
  * Set this to 1 and str912 reset halt will fail.
@@ -316,4 +315,3 @@ int bitbang_execute_queue(void)
 
 	return retval;
 }
-
diff --git a/src/jtag/bitq.c b/src/jtag/bitq.c
index e18d93c6..f347f7dc 100644
--- a/src/jtag/bitq.c
+++ b/src/jtag/bitq.c
@@ -34,7 +34,6 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-
 bitq_interface_t *bitq_interface; /* low level bit queue interface */
 
 bitq_state_t bitq_in_state; /* state of input queue */
@@ -42,7 +41,6 @@ bitq_state_t bitq_in_state; /* state of input queue */
 u8 *bitq_in_buffer; /* buffer dynamically reallocated as needed */
 unsigned long bitq_in_bufsize=32; /* min. buffer size */
 
-
 /*
  * input queue processing does not use jtag_read_buffer() to avoid unnecessary overhead
  * also the buffer for incomming data is reallocated only if necessary
@@ -129,8 +127,6 @@ void bitq_in_proc(void)
 	}
 }
 
-
-
 void bitq_io(int tms, int tdi, int tdo_req)
 {
 	bitq_interface->out(tms, tdi, tdo_req);
@@ -138,7 +134,6 @@ void bitq_io(int tms, int tdi, int tdo_req)
 	if (bitq_interface->in_rdy()) bitq_in_proc();
 }
 
-
 void bitq_end_state(enum tap_state state)
 {
 	if (state==-1) return;
@@ -149,7 +144,6 @@ void bitq_end_state(enum tap_state state)
 	end_state = state;
 }
 
-
 void bitq_state_move(enum tap_state new_state)
 {
 	int i=0;
@@ -170,7 +164,6 @@ void bitq_state_move(enum tap_state new_state)
 	cur_state = new_state;
 }
 
-
 void bitq_path_move(pathmove_command_t *cmd)
 {
 	int i;
@@ -189,7 +182,6 @@ void bitq_path_move(pathmove_command_t *cmd)
 	end_state = cur_state;
 }
 
-
 void bitq_runtest(int num_cycles)
 {
 	int i;
@@ -205,7 +197,6 @@ void bitq_runtest(int num_cycles)
 	if (cur_state != end_state) bitq_state_move(end_state);
 }
 
-
 void bitq_scan_field(scan_field_t *field, int pause)
 {
 	int bit_cnt;
@@ -245,7 +236,6 @@ void bitq_scan_field(scan_field_t *field, int pause)
 	}
 }
 
-
 void bitq_scan(scan_command_t *cmd)
 {
 	int i;
@@ -258,7 +248,6 @@ void bitq_scan(scan_command_t *cmd)
 	bitq_scan_field(&cmd->fields[i], 1);
 }
 
-
 int bitq_execute_queue(void)
 {
 	jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
@@ -356,7 +345,6 @@ int bitq_execute_queue(void)
 	return bitq_in_state.status;
 }
 
-
 void bitq_cleanup(void)
 {
 	if (bitq_in_buffer!=NULL)
diff --git a/src/jtag/dummy.c b/src/jtag/dummy.c
index 90c60db8..0565edaf 100644
--- a/src/jtag/dummy.c
+++ b/src/jtag/dummy.c
@@ -26,7 +26,6 @@
 #include "jtag.h"
 #include "bitbang.h"
 
-
 int dummy_speed(int speed);
 int dummy_register_commands(struct command_context_s *cmd_ctx);
 int dummy_init(void);
@@ -65,7 +64,6 @@ int dummy_read(void)
 	return 1;
 }
 
-
 void dummy_write(int tck, int tms, int tdi)
 {
 }
@@ -73,7 +71,6 @@ void dummy_write(int tck, int tms, int tdi)
 void dummy_reset(int trst, int srst)
 {
 }
-	
 
 int dummy_speed(int speed)
 {
@@ -85,7 +82,6 @@ int dummy_register_commands(struct command_context_s *cmd_ctx)
 	return ERROR_OK;
 }
 
-
 int dummy_init(void)
 {
 	bitbang_interface = &dummy_bitbang;	
@@ -98,8 +94,6 @@ int dummy_quit(void)
 	return ERROR_OK;
 }
 
-
 void dummy_led(int on)
 {
 }
-
diff --git a/src/jtag/ep93xx.c b/src/jtag/ep93xx.c
index 55550b36..03a391a0 100644
--- a/src/jtag/ep93xx.c
+++ b/src/jtag/ep93xx.c
@@ -64,7 +64,7 @@ struct timespec ep93xx_zzzz;
 jtag_interface_t ep93xx_interface = 
 {
 	.name = "ep93xx",
-	
+
 	.execute_queue = bitbang_execute_queue,
 
 	.speed = ep93xx_speed,	
@@ -126,7 +126,7 @@ void ep93xx_reset(int trst, int srst)
 
 int ep93xx_speed(int speed)
 {
-	
+
 	return ERROR_OK;
 }
 
diff --git a/src/jtag/gw16012.c b/src/jtag/gw16012.c
index 60ad5699..e03cea93 100644
--- a/src/jtag/gw16012.c
+++ b/src/jtag/gw16012.c
@@ -438,26 +438,26 @@ int gw16012_execute_queue(void)
 #if PARPORT_USE_GIVEIO == 1
 int gw16012_get_giveio_access()
 {
-    HANDLE h;
-    OSVERSIONINFO version;
-
-    version.dwOSVersionInfoSize = sizeof version;
-    if (!GetVersionEx( &version )) {
-	errno = EINVAL;
-	return -1;
-    }
-    if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
-	return 0;
+	HANDLE h;
+	OSVERSIONINFO version;
 
-    h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
-    if (h == INVALID_HANDLE_VALUE) {
-	errno = ENODEV;
-	return -1;
-    }
+	version.dwOSVersionInfoSize = sizeof version;
+	if (!GetVersionEx( &version )) {
+		errno = EINVAL;
+		return -1;
+	}
+	if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
+		return 0;
 
-    CloseHandle( h );
+	h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
+	if (h == INVALID_HANDLE_VALUE) {
+		errno = ENODEV;
+		return -1;
+	}
 
-    return 0;
+	CloseHandle( h );
+
+	return 0;
 }
 #endif
 
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index 3c05592f..ca52872f 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -250,8 +250,6 @@ jtag_interface_t *jtag = NULL;
 jtag_interface_t *jtag_interface = NULL;
 int jtag_speed = 0;
 
-
-
 /* forward declarations */
 void jtag_add_pathmove(int num_states, enum tap_state *path);
 void jtag_add_runtest(int num_cycles, enum tap_state endstate);
@@ -279,14 +277,12 @@ int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
 
 int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
-
 jtag_tap_t *jtag_AllTaps(void)
 {
-  return jtag_all_taps;
+	return jtag_all_taps;
 };
 
-int
-jtag_NumTotalTaps(void)
+int jtag_NumTotalTaps(void)
 {
 	jtag_tap_t *t;
 	int n;
@@ -300,8 +296,7 @@ jtag_NumTotalTaps(void)
 	return n;
 }
 
-int
-jtag_NumEnabledTaps(void)
+int jtag_NumEnabledTaps(void)
 {
 	jtag_tap_t *t;
 	int n;
@@ -345,8 +340,7 @@ jtag_tap_t *jtag_TapByString( const char *s )
 	return t;
 }
 
-jtag_tap_t *
-jtag_TapByJimObj( Jim_Interp *interp, Jim_Obj *o )
+jtag_tap_t * jtag_TapByJimObj( Jim_Interp *interp, Jim_Obj *o )
 {
 	jtag_tap_t *t;
 	const char *cp;
@@ -365,8 +359,7 @@ jtag_TapByJimObj( Jim_Interp *interp, Jim_Obj *o )
 }
 
 /* returns a pointer to the n-th device in the scan chain */
-jtag_tap_t *
-jtag_TapByAbsPosition( int n )
+jtag_tap_t * jtag_TapByAbsPosition( int n )
 {
 	int orig_n;
 	jtag_tap_t *t;
@@ -377,11 +370,10 @@ jtag_TapByAbsPosition( int n )
 	while( t && (n > 0)) {
 		n--;
 		t = t->next_tap;
-    }
+	}
 	return t;
 }
 
-
 int jtag_register_event_callback(int (*callback)(enum jtag_event event, void *priv), void *priv)
 {
 	jtag_event_callback_t **callbacks_p = &jtag_event_callbacks;
@@ -463,7 +455,6 @@ jtag_command_t** jtag_get_last_command_p(void)
 	return last_comand_pointer;
 }
 
-
 void* cmd_queue_alloc(size_t size)
 {
 	cmd_queue_page_t **p_page = &cmd_queue_pages;
@@ -491,17 +482,16 @@ void* cmd_queue_alloc(size_t size)
 	 *
 	 */
 	union worse_case_align {
-	  int i;
-	  long l;
-	  float f;
-	  void *v;
+		int i;
+		long l;
+		float f;
+		void *v;
 	};
 #define ALIGN_SIZE  (sizeof(union worse_case_align))
 
-	// The alignment process.
+	/* The alignment process. */
 	size = (size + ALIGN_SIZE -1) & (~(ALIGN_SIZE-1));
-	// Done...
-
+	/* Done... */
 
 	if (*p_page)
 	{
@@ -652,7 +642,6 @@ int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields,
 			(*last_cmd)->cmd.scan->fields[nth_tap].out_value = buf_set_ones(cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
 			(*last_cmd)->cmd.scan->fields[nth_tap].out_mask = NULL;
 			tap->bypass = 1;
-
 		}
 
 		/* update device information */
@@ -1023,7 +1012,6 @@ void jtag_add_pathmove(int num_states, enum tap_state *path)
 
 	jtag_prelude1();
 
-
 	retval=interface_jtag_add_pathmove(num_states, path);
 	cmd_queue_cur_state = path[num_states - 1];
 	if (retval!=ERROR_OK)
@@ -1805,8 +1793,7 @@ jtag_tap_configure_cmd( Jim_GetOptInfo *goi,
 	return JIM_OK;
 }
 
-static int
-jim_newtap_cmd( Jim_GetOptInfo *goi )
+static int jim_newtap_cmd( Jim_GetOptInfo *goi )
 {
 	jtag_tap_t *pTap;
 	jtag_tap_t **ppTap;
@@ -1824,24 +1811,23 @@ jim_newtap_cmd( Jim_GetOptInfo *goi )
 #define NTAP_OPT_IRCAPTURE 2
 		{ .name = "-ircapture"		,	.value = NTAP_OPT_IRCAPTURE },
 #define NTAP_OPT_ENABLED   3
-		{ .name = "-enable"			,   .value = NTAP_OPT_ENABLED },
+		{ .name = "-enable"			,	.value = NTAP_OPT_ENABLED },
 #define NTAP_OPT_DISABLED  4
-		{ .name = "-disable"		,   .value = NTAP_OPT_DISABLED },
+		{ .name = "-disable"		,	.value = NTAP_OPT_DISABLED },
 #define NTAP_OPT_EXPECTED_ID 5
-		{ .name = "-expected-id"	,   .value = NTAP_OPT_EXPECTED_ID },
-		{ .name = NULL				,   .value = -1 },
+		{ .name = "-expected-id"	,	.value = NTAP_OPT_EXPECTED_ID },
+		{ .name = NULL				,	.value = -1 },
 	};
 
-
 	pTap = malloc( sizeof(jtag_tap_t) );
 	memset( pTap, 0, sizeof(*pTap) );
 	if( !pTap ){
 		Jim_SetResult_sprintf( goi->interp, "no memory");
 		return JIM_ERR;
 	}
-	//
-	// we expect CHIP + TAP + OPTIONS
-	//
+	/*
+	 * we expect CHIP + TAP + OPTIONS
+	 * */
 	if( goi->argc < 3 ){
 		Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
 		return JIM_ERR;
@@ -1852,7 +1838,7 @@ jim_newtap_cmd( Jim_GetOptInfo *goi )
 	Jim_GetOpt_String( goi, &cp, NULL );
 	pTap->tapname = strdup(cp);
 
-	// name + dot + name + null
+	/* name + dot + name + null */
 	x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1;
 	cp = malloc( x );
 	sprintf( cp, "%s.%s", pTap->chip, pTap->tapname );
@@ -1861,16 +1847,15 @@ jim_newtap_cmd( Jim_GetOptInfo *goi )
 	LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
 			  pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
 
-
-	// default is enabled
+	/* default is enabled */
 	pTap->enabled = 1;
 
-	// deal with options
+	/* deal with options */
 #define NTREQ_IRLEN      1
 #define NTREQ_IRCAPTURE  2
 #define NTREQ_IRMASK     4
 
-	// clear them as we find them
+	/* clear them as we find them */
 	reqbits = (NTREQ_IRLEN | NTREQ_IRCAPTURE | NTREQ_IRMASK);
 
 	while( goi->argc ){
@@ -1921,7 +1906,7 @@ jim_newtap_cmd( Jim_GetOptInfo *goi )
 				return e;
 			}
 			if( (w < 0) || (w > 0xffff) ){
-				// wacky value
+				/* wacky value */
 				Jim_SetResult_sprintf( goi->interp, "option: %s - wacky value: %d (0x%x)",
 									   n->name, (int)(w), (int)(w));
 				return JIM_ERR;
@@ -1940,17 +1925,17 @@ jim_newtap_cmd( Jim_GetOptInfo *goi )
 				reqbits &= (~(NTREQ_IRCAPTURE));
 				break;
 			}
-		} // switch(n->value)
-	} // while( goi->argc )
+		} /* switch(n->value) */
+	} /* while( goi->argc ) */
 
-	// Did we get all the options?
+	/* Did we get all the options? */
 	if( reqbits ){
 		// no
 		Jim_SetResult_sprintf( goi->interp,
 							   "newtap: %s missing required parameters",
 							   pTap->dotted_name);
-		// fixme: Tell user what is missing :-(
-		// no memory leaks pelase
+		/* TODO: Tell user what is missing :-( */
+		/* no memory leaks pelase */
 		free(((void *)(pTap->expected_ids)));
 		free(((void *)(pTap->chip)));
 		free(((void *)(pTap->tapname)));
@@ -1976,7 +1961,6 @@ jim_newtap_cmd( Jim_GetOptInfo *goi )
 
 	pTap->bypass = 1;
 
-
 	jtag_register_event_callback(jtag_reset_callback, pTap );
 
 	ppTap = &(jtag_all_taps);
@@ -1989,19 +1973,16 @@ jim_newtap_cmd( Jim_GetOptInfo *goi )
 		pTap->abs_chain_position = n_taps++;
 	}
 	LOG_DEBUG( "Created Tap: %s @ abs position %d, irlen %d, capture: 0x%x mask: 0x%x",
-			   (*ppTap)->dotted_name,
-			   (*ppTap)->abs_chain_position,
-			   (*ppTap)->ir_length,
-			   (*ppTap)->ir_capture_value,
-			   (*ppTap)->ir_capture_mask );
-
+				(*ppTap)->dotted_name,
+				(*ppTap)->abs_chain_position,
+				(*ppTap)->ir_length,
+				(*ppTap)->ir_capture_value,
+				(*ppTap)->ir_capture_mask );
 
 	return ERROR_OK;
 }
 
-
-static int
-jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
+static int jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
 {
 	Jim_GetOptInfo goi;
 	int e;
@@ -2034,7 +2015,7 @@ jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
 	};
 
 	context = Jim_GetAssocData(interp, "context");
-	// go past the command
+	/* go past the command */
 	Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
 
 	e = Jim_GetOpt_Nvp( &goi, jtag_cmds, &n );
@@ -2045,9 +2026,9 @@ jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
 		Jim_SetEmptyResult( goi.interp );
 	switch( n->value ){
 	case JTAG_CMD_INTERFACE:
-		// return the name of the interface
-		// TCL code might need to know the exact type...
-		// FUTURE: we allow this as a means to "set" the interface.
+		/* return the name of the interface */
+		/* TCL code might need to know the exact type... */
+		/* FUTURE: we allow this as a means to "set" the interface. */
 		if( goi.argc != 0 ){
 			Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)");
 			return JIM_ERR;
@@ -2142,7 +2123,6 @@ jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
 		}
 	}
 
-
 	return JIM_ERR;
 }
 
@@ -2203,8 +2183,6 @@ int jtag_interface_init(struct command_context_s *cmd_ctx)
 	if (jtag_interface->init() != ERROR_OK)
 		return ERROR_JTAG_INIT_FAILED;
 
-
-
 	jtag = jtag_interface;
 	return ERROR_OK;
 }
@@ -2216,7 +2194,6 @@ static int jtag_init_inner(struct command_context_s *cmd_ctx)
 
 	LOG_DEBUG("Init JTAG chain");
 
-
 	tap = jtag_NextEnabledTap(NULL);
 	if( tap == NULL ){
 		LOG_ERROR("There are no enabled taps?");
@@ -2390,14 +2367,14 @@ int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, cha
 	int e;
 	char buf[1024];
 	Jim_Obj *newargs[ 10 ];
-	//
-	// CONVERT SYNTAX
-	//
-	//   argv[-1] = command
-	//   argv[ 0] = ir length
-	//   argv[ 1] = ir capture
-	//   argv[ 2] = ir mask
-	//   argv[ 3] = not actually used by anything but in the docs
+	/*
+	 * CONVERT SYNTAX
+	 * argv[-1] = command
+	 * argv[ 0] = ir length
+	 * argv[ 1] = ir capture
+	 * argv[ 2] = ir mask
+	 * argv[ 3] = not actually used by anything but in the docs
+	 */
 
 	if( argc < 4 ){
 		command_print( cmd_ctx, "OLD DEPRECATED SYNTAX: Please use the NEW syntax");
@@ -2413,8 +2390,6 @@ int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, cha
 	command_print( cmd_ctx, "jtag newtap stm32 boundry  ....., and the tap: \"stm32.boundery\"");
 	command_print( cmd_ctx, "And then refer to the taps by the dotted name.");
 
-
-
 	newargs[0] = Jim_NewStringObj( interp, "jtag", -1   );
 	newargs[1] = Jim_NewStringObj( interp, "newtap", -1 );
 	sprintf( buf, "chip%d", jtag_NumTotalTaps() );
@@ -2441,8 +2416,6 @@ int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, cha
 			 Jim_GetString( newargs[8], NULL ),
 			 Jim_GetString( newargs[9], NULL ) );
 
-
-
 	e = jim_jtag_command( interp, 10, newargs );
 	if( e != JIM_OK ){
 		command_print( cmd_ctx, "%s", Jim_GetString( Jim_GetResult(interp), NULL ) );
@@ -2450,7 +2423,6 @@ int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, cha
 	return e;
 }
 
-
 int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
 	jtag_tap_t *tap;
@@ -2835,7 +2807,6 @@ int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
 		Jim_GetLong(interp, args[i], &bits);
 		str = Jim_GetString(args[i+1], &len);
 
-
 		fields[field_count].tap = tap;
 		fields[field_count].num_bits = bits;
 		fields[field_count].out_value = malloc(CEIL(bits, 8));
@@ -2904,7 +2875,6 @@ int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd
 	return ERROR_OK;
 }
 
-
 int jtag_power_dropout(int *dropout)
 {
 	return jtag->power_dropout(dropout);
@@ -2945,4 +2915,3 @@ void jtag_tap_handle_event( jtag_tap_t * tap, enum jtag_tap_event e)
 				Jim_Nvp_value2name_simple( nvp_jtag_tap_event, e)->name);
 	}
 }
-
diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index bd306aba..16eeef54 100644
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -78,11 +78,10 @@ typedef struct scan_field_s
 	/* in_check_value/mask, in_handler_error_handler, in_handler_priv can be used by the in handler, otherwise they contain garbage  */
 	u8 *in_check_value;	/* used to validate scan results */
 	u8 *in_check_mask;	/* check specified bits against check_value */
-	in_handler_t in_handler;	    /* process received buffer using this handler */
+	in_handler_t in_handler;/* process received buffer using this handler */
 	void *in_handler_priv;	/* additional information for the in_handler */
 } scan_field_t;
 
-
 enum scan_type
 {
 	/* IN: from device to host, OUT: from host to device */
@@ -158,12 +157,12 @@ typedef struct jtag_command_s
 
 extern jtag_command_t *jtag_command_queue;
 
-// forward declaration
+/* forward declaration */
 typedef struct jtag_tap_event_action_s jtag_tap_event_action_t;
 
-// this is really: typedef jtag_tap_t
-// But - the typedef is done in "types.h"
-// due to "forward decloration reasons"
+/* this is really: typedef jtag_tap_t */
+/* But - the typedef is done in "types.h" */
+/* due to "forward decloration reasons" */
 struct jtag_tap_s
 {
 	const char *chip;
@@ -188,22 +187,21 @@ struct jtag_tap_s
 };
 extern jtag_tap_t *jtag_AllTaps(void);
 extern jtag_tap_t *jtag_TapByPosition(int n);
-extern jtag_tap_t *jtag_TapByPosition( int n );
-extern jtag_tap_t *jtag_TapByString( const char *dotted_name );
-extern jtag_tap_t *jtag_TapByJimObj( Jim_Interp *interp, Jim_Obj *obj );
-extern jtag_tap_t *jtag_TapByAbsPosition( int abs_position );
-extern int         jtag_NumEnabledTaps(void);
-extern int         jtag_NumTotalTaps(void);
-
+extern jtag_tap_t *jtag_TapByPosition(int n);
+extern jtag_tap_t *jtag_TapByString(const char *dotted_name);
+extern jtag_tap_t *jtag_TapByJimObj(Jim_Interp *interp, Jim_Obj *obj);
+extern jtag_tap_t *jtag_TapByAbsPosition(int abs_position);
+extern int jtag_NumEnabledTaps(void);
+extern int jtag_NumTotalTaps(void);
 
 static __inline__ jtag_tap_t *
 jtag_NextEnabledTap( jtag_tap_t *p )
 {
 	if( p == NULL ){
-		// start at the head of list
+		/* start at the head of list */
 		p = jtag_AllTaps();
 	} else {
-		// start *after* this one
+		/* start *after* this one */
 		p = p->next_tap;
 	}
 	while( p ){
@@ -216,9 +214,6 @@ jtag_NextEnabledTap( jtag_tap_t *p )
 	return p;
 }
 
-
-
-
 enum reset_line_mode
 {
 	LINE_OPEN_DRAIN = 0x0,
@@ -440,8 +435,6 @@ extern int interface_jtag_add_end_state(enum tap_state endstate);
 extern void jtag_add_sleep(u32 us);
 extern int interface_jtag_add_sleep(u32 us);
 
-
-
 /*
  * For software FIFO implementations, the queued commands can be executed
  * during this call or earlier. A sw queue might decide to push out
@@ -468,7 +461,6 @@ extern int interface_jtag_execute_queue(void);
 extern int jtag_power_dropout(int *dropout);
 extern int jtag_srst_asserted(int *srst_asserted);
 
-
 /* JTAG support functions */
 extern void jtag_set_check_value(scan_field_t *field, u8 *value,  u8 *mask, error_handler_t *in_error_handler);
 extern enum scan_type jtag_scan_type(scan_command_t *cmd);
@@ -494,8 +486,6 @@ void jtag_tap_handle_event( jtag_tap_t * tap, enum jtag_tap_event e);
 #define ERROR_JTAG_QUEUE_FAILED			(-104)
 #define ERROR_JTAG_DEVICE_ERROR			(-107)
 
-
-
 /* this allows JTAG devices to implement the entire jtag_xxx() layer in hw/sw */
 #ifdef HAVE_JTAG_MINIDRIVER_H
 /* Here a #define MINIDRIVER() and an inline version of hw fifo interface_jtag_add_dr_out can be defined */
@@ -527,9 +517,6 @@ extern void interface_jtag_add_dr_out(jtag_tap_t *tap,
 		enum tap_state end_state);
 #endif
 
-
-
-
 static __inline__ void jtag_add_dr_out(jtag_tap_t *tap,
 		int num_fields,
 		const int *num_bits,
@@ -542,5 +529,4 @@ static __inline__ void jtag_add_dr_out(jtag_tap_t *tap,
 	interface_jtag_add_dr_out(tap, num_fields, num_bits, value, cmd_queue_end_state);
 }
 
-
 #endif /* JTAG_H */
diff --git a/src/jtag/presto.c b/src/jtag/presto.c
index 21f80f00..0e532817 100644
--- a/src/jtag/presto.c
+++ b/src/jtag/presto.c
@@ -49,7 +49,6 @@
 #error "BUG: either FTD2XX and LIBFTDI has to be used"
 #endif
 
-
 int presto_jtag_speed(int speed);
 int presto_jtag_khz(int khz, int *jtag_speed);
 int presto_jtag_speed_div(int speed, int *khz);
@@ -69,7 +68,6 @@ jtag_interface_t presto_interface =
 	.quit = presto_jtag_quit,
 };
 
-
 int presto_bitq_out(int tms, int tdi, int tdo_req);
 int presto_bitq_flush(void);
 int presto_bitq_sleep(unsigned long us);
@@ -87,10 +85,8 @@ bitq_interface_t presto_bitq =
 	.in = presto_bitq_in,
 };
 
-
 /* -------------------------------------------------------------------------- */
 
-
 #define FT_DEVICE_NAME_LEN 64
 #define FT_DEVICE_SERNUM_LEN 64
 
@@ -486,7 +482,6 @@ int presto_close(void)
 	return result;
 }
 
-
 int presto_flush(void)
 {
 	if (presto->buff_out_pos == 0)
@@ -530,7 +525,6 @@ int presto_flush(void)
 	return ERROR_OK;
 }
 
-
 int presto_sendbyte(int data)
 {
 	if (data == EOF) return presto_flush();
@@ -555,7 +549,6 @@ int presto_sendbyte(int data)
 	return ERROR_OK;
 }
 
-
 int presto_getbyte(void)
 {
 	if (presto->buff_in_pos < presto->buff_in_len)
@@ -573,10 +566,8 @@ int presto_getbyte(void)
 	return -1;
 }
 
-
 /* -------------------------------------------------------------------------- */
 
-
 int presto_tdi_flush(void)
 {
 	if (presto->jtag_tdi_count == 0)
@@ -596,7 +587,6 @@ int presto_tdi_flush(void)
 	return 0;
 }
 
-
 int presto_tck_idle(void)
 {
 	if (presto->jtag_tck == 1)
@@ -608,10 +598,8 @@ int presto_tck_idle(void)
 	return 0;
 }
 
-
 /* -------------------------------------------------------------------------- */
 
-
 int presto_bitq_out(int tms, int tdi, int tdo_req)
 {
 	int i;
@@ -658,7 +646,6 @@ int presto_bitq_out(int tms, int tdi, int tdo_req)
 	return 0;
 }
 
-
 int presto_bitq_flush(void)
 {
 	presto_tdi_flush();
@@ -669,7 +656,6 @@ int presto_bitq_flush(void)
 	return presto_flush();
 }
 
-
 int presto_bitq_in_rdy(void)
 {
 	if (presto->buff_in_pos>=presto->buff_in_len)
@@ -677,7 +663,6 @@ int presto_bitq_in_rdy(void)
 	return presto->buff_in_len-presto->buff_in_pos;
 }
 
-
 int presto_bitq_in(void)
 {
 	if (presto->buff_in_pos>=presto->buff_in_len)
@@ -686,7 +671,6 @@ int presto_bitq_in(void)
 	return 0;
 }
 
-
 int presto_bitq_sleep(unsigned long us)
 {
 	long waits;
@@ -708,7 +692,6 @@ int presto_bitq_sleep(unsigned long us)
 	return 0;
 }
 
-
 int presto_bitq_reset(int trst, int srst)
 {
 	presto_tdi_flush();
@@ -724,10 +707,8 @@ int presto_bitq_reset(int trst, int srst)
 	return 0;
 }
 
-
 /* -------------------------------------------------------------------------- */
 
-
 int presto_jtag_khz(int khz, int *jtag_speed)
 {
 	if (khz < 0)
@@ -742,7 +723,6 @@ int presto_jtag_khz(int khz, int *jtag_speed)
 	return 0;
 }
 
-
 int presto_jtag_speed_div(int speed, int *khz)
 {
 	if ((speed < 0) || (speed > 1000))
@@ -757,7 +737,6 @@ int presto_jtag_speed_div(int speed, int *khz)
 	return 0;
 }
 
-
 int presto_jtag_speed(int speed)
 {
 	int khz;
@@ -777,7 +756,6 @@ int presto_jtag_speed(int speed)
 	return 0;
 }
 
-
 char *presto_serial;
 
 int presto_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
@@ -796,7 +774,6 @@ int presto_handle_serial_command(struct command_context_s *cmd_ctx, char *cmd, c
 	return ERROR_OK;
 }
 
-
 int presto_jtag_register_commands(struct command_context_s *cmd_ctx)
 {
 	register_command(cmd_ctx, NULL, "presto_serial", presto_handle_serial_command,
@@ -804,7 +781,6 @@ int presto_jtag_register_commands(struct command_context_s *cmd_ctx)
 	return ERROR_OK;
 }
 
-
 int presto_jtag_init(void)
 {
 	if (presto_open(presto_serial) != ERROR_OK)
@@ -825,7 +801,6 @@ int presto_jtag_init(void)
 	return ERROR_OK;
 }
 
-
 int presto_jtag_quit(void)
 {
 	bitq_cleanup();
diff --git a/src/jtag/usbprog.c b/src/jtag/usbprog.c
index 665c6070..872f7339 100644
--- a/src/jtag/usbprog.c
+++ b/src/jtag/usbprog.c
@@ -47,10 +47,10 @@
 #define PID 0x0c63
 
 /* Pins at usbprog */
-#define TDO_BIT         0
-#define TDI_BIT         3
-#define TCK_BIT         2
-#define TMS_BIT         1
+#define TDO_BIT			0
+#define TDI_BIT			3
+#define TCK_BIT			2
+#define TMS_BIT			1
 
 int usbprog_execute_queue(void);
 int usbprog_speed(int speed);
@@ -74,17 +74,17 @@ jtag_interface_t usbprog_interface =
 	.quit = usbprog_quit
 };
 
-#define UNKOWN_COMMAND  0x00
-#define PORT_DIRECTION  0x01
-#define PORT_SET        0x02
-#define PORT_GET        0x03
-#define PORT_SETBIT     0x04
-#define PORT_GETBIT     0x05
-#define WRITE_TDI     	0x06
-#define READ_TDO     	0x07
-#define WRITE_AND_READ 	0x08
-#define WRITE_TMS     	0x09
-#define WRITE_TMS_CHAIN 0x0A
+#define UNKOWN_COMMAND	0x00
+#define PORT_DIRECTION	0x01
+#define PORT_SET		0x02
+#define PORT_GET		0x03
+#define PORT_SETBIT		0x04
+#define PORT_GETBIT		0x05
+#define WRITE_TDI		0x06
+#define READ_TDO		0x07
+#define WRITE_AND_READ	0x08
+#define WRITE_TMS		0x09
+#define WRITE_TMS_CHAIN	0x0A
 
 struct usbprog_jtag
 {
-- 
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