Pavel Chromy style fixes.
authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Mon, 25 Feb 2008 14:58:20 +0000 (14:58 +0000)
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Mon, 25 Feb 2008 14:58:20 +0000 (14:58 +0000)
git-svn-id: svn://svn.berlios.de/openocd/trunk@344 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/at91sam7.h
src/jtag/bitq.c
src/jtag/usbprog.c

index 43961d5..4ef154c 100644 (file)
-/***************************************************************************
- *   Copyright (C) 2006 by Magnus Lundin                                   *
- *   lundin@mlu.mine.nu                                                   *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
- ***************************************************************************/
-#ifndef AT91SAM7_H
-#define AT91SAM7_H
-
-#include "flash.h"
-#include "target.h"
-
-typedef struct at91sam7_flash_bank_s
-{
-       u32 working_area;
-       u32 working_area_size;
-
-       /* chip id register */
-       u32 cidr;
-       u16 cidr_ext;
-       u16 cidr_nvptyp;
-       u16 cidr_arch;
-       u16 cidr_sramsiz;
-       u16 cidr_nvpsiz;
-       u16 cidr_nvpsiz2;
-       u16 cidr_eproc;
-       u16 cidr_version;
-       char * target_name;
-
-       /* flash geometry */
-       u16 num_pages;
-       u16 pagesize;
-       u16 pages_in_lockregion;
-       u8 num_erase_regions;
-       u8 num_planes;
-       u32 *erase_region_info;
-
-       /* nv memory bits */
-       u16 num_lockbits;
-       u16 lockbits[4];
-       u16 num_nvmbits;
-       u16 nvmbits;
-       u8  securitybit;
-       u8  flashmode[4];         /* 0: not init, 1: fmcn for nvbits (1uS), 2: fmcn for flash (1.5uS) */
-
-       /* main clock status */
-       u8  mck_valid;
-       u32 mck_freq;
-       
-       int probed;
-       
-} at91sam7_flash_bank_t;
-
-/* AT91SAM7 control registers */
-#define DBGU_CIDR 0xFFFFF240
-#define CKGR_MCFR 0xFFFFFC24
-#define CKGR_MCFR_MAINRDY  0x10000
-#define CKGR_PLLR 0xFFFFFC2c
-#define CKGR_PLLR_DIV 0xff
-#define CKGR_PLLR_MUL 0x07ff0000
-#define PMC_MCKR  0xFFFFFC30
-#define PMC_MCKR_CSS  0x03
-#define PMC_MCKR_PRES 0x1c
-
-/* Flash Controller Commands */
-#define  WP   0x01
-#define  SLB  0x02
-#define  WPL  0x03
-#define  CLB  0x04
-#define  EA   0x08
-#define  SGPB 0x0B
-#define  CGPB 0x0D
-#define  SSB  0x0F
-
-/* MC_FSR bit definitions */
-#define        MC_FSR_FRDY 1
-#define        MC_FSR_EOL 2
-
-/* AT91SAM7 constants */
-#define RC_FREQ  32000
-
-/*  FLASH_TIMING_MODES */
-#define  FMR_TIMING_NONE    0
-#define  FMR_TIMING_NVBITS  1
-#define  FMR_TIMING_FLASH   2
-
-#endif /* AT91SAM7_H */
+/***************************************************************************\r
+ *   Copyright (C) 2006 by Magnus Lundin                                   *\r
+ *   lundin@mlu.mine.nu                                                    *\r
+ *                                                                         *\r
+ *   This program is free software; you can redistribute it and/or modify  *\r
+ *   it under the terms of the GNU General Public License as published by  *\r
+ *   the Free Software Foundation; either version 2 of the License, or     *\r
+ *   (at your option) any later version.                                   *\r
+ *                                                                         *\r
+ *   This program is distributed in the hope that it will be useful,       *\r
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
+ *   GNU General Public License for more details.                          *\r
+ *                                                                         *\r
+ *   You should have received a copy of the GNU General Public License     *\r
+ *   along with this program; if not, write to the                         *\r
+ *   Free Software Foundation, Inc.,                                       *\r
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
+ ***************************************************************************/\r
+#ifndef AT91SAM7_H\r
+#define AT91SAM7_H\r
+\r
+#include "flash.h"\r
+#include "target.h"\r
+\r
+typedef struct at91sam7_flash_bank_s\r
+{\r
+       u32 working_area;\r
+       u32 working_area_size;\r
+\r
+       /* chip id register */\r
+       u32 cidr;\r
+       u16 cidr_ext;\r
+       u16 cidr_nvptyp;\r
+       u16 cidr_arch;\r
+       u16 cidr_sramsiz;\r
+       u16 cidr_nvpsiz;\r
+       u16 cidr_nvpsiz2;\r
+       u16 cidr_eproc;\r
+       u16 cidr_version;\r
+       char * target_name;\r
+\r
+       /* flash geometry */\r
+       u16 num_pages;\r
+       u16 pagesize;\r
+       u16 pages_in_lockregion;\r
+       u8 num_erase_regions;\r
+       u8 num_planes;\r
+       u32 *erase_region_info;\r
+\r
+       /* nv memory bits */\r
+       u16 num_lockbits;\r
+       u16 lockbits[4];\r
+       u16 num_nvmbits;\r
+       u16 nvmbits;\r
+       u8  securitybit;\r
+       u8  flashmode[4];         /* 0: not init, 1: fmcn for nvbits (1uS), 2: fmcn for flash (1.5uS) */\r
+\r
+       /* main clock status */\r
+       u8  mck_valid;\r
+       u32 mck_freq;\r
+       \r
+       int probed;\r
+       \r
+} at91sam7_flash_bank_t;\r
+\r
+/* AT91SAM7 control registers */\r
+#define DBGU_CIDR 0xFFFFF240\r
+#define CKGR_MCFR 0xFFFFFC24\r
+#define CKGR_MCFR_MAINRDY  0x10000\r
+#define CKGR_PLLR 0xFFFFFC2c\r
+#define CKGR_PLLR_DIV 0xff\r
+#define CKGR_PLLR_MUL 0x07ff0000\r
+#define PMC_MCKR  0xFFFFFC30\r
+#define PMC_MCKR_CSS  0x03\r
+#define PMC_MCKR_PRES 0x1c\r
+\r
+/* Flash Controller Commands */\r
+#define  WP   0x01\r
+#define  SLB  0x02\r
+#define  WPL  0x03\r
+#define  CLB  0x04\r
+#define  EA   0x08\r
+#define  SGPB 0x0B\r
+#define  CGPB 0x0D\r
+#define  SSB  0x0F\r
+\r
+/* MC_FSR bit definitions */\r
+#define        MC_FSR_FRDY 1\r
+#define        MC_FSR_EOL 2\r
+\r
+/* AT91SAM7 constants */\r
+#define RC_FREQ  32000\r
+\r
+/*  FLASH_TIMING_MODES */\r
+#define  FMR_TIMING_NONE    0\r
+#define  FMR_TIMING_NVBITS  1\r
+#define  FMR_TIMING_FLASH   2\r
+\r
+#endif /* AT91SAM7_H */\r
index dd9acdf..4e53bc5 100644 (file)
-/***************************************************************************
- *   Copyright (C) 2007 by Pavel Chromy                                    *
- *   chromy@asix.cz                                                        *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "bitq.h"
-
-/* project specific includes */
-#include "log.h"
-#include "types.h"
-#include "jtag.h"
-#include "configuration.h"
-
-/* system includes */
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <sys/time.h>
-#include <time.h>
-
-
-bitq_interface_t *bitq_interface; /* low level bit queue interface */
-
-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
- * no parameters, makes use of stored state information
- */ 
-void bitq_in_proc(void)
-{
-       /* static information preserved between calls to increase performance */
-       static u8 *in_buff; /* pointer to buffer for scanned data */
-       static int in_idx; /* index of byte being scanned */
-       static u8 in_mask; /* mask of next bit to be scanned */
-
-       scan_field_t *field;
-       int tdo;
-       
-       /* loop through the queue */
-       while (bitq_in_state.cmd) {
-               /* only JTAG_SCAN command may return data */
-               if (bitq_in_state.cmd->type==JTAG_SCAN) {
-                       /* loop through the fields */
-                       while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields) {
-
-                               field=&bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];
-                               if ( field->in_value || field->in_handler) {
-
-                                       if (bitq_in_state.bit_pos==0) {
-                                               /* initialize field scanning */
-                                               in_mask=0x01;
-                                               in_idx=0;
-                                               if (field->in_value) in_buff=field->in_value;
-                                               else {
-                                                       /* buffer reallocation needed? */
-                                                       if (field->num_bits>bitq_in_bufsize*8) {
-                                                               /* buffer previously allocated? */
-                                                               if (bitq_in_buffer!=NULL) {
-                                                                       /* free it */
-                                                                       free(bitq_in_buffer);
-                                                                       bitq_in_buffer=NULL;
-                                                               }
-                                                               /* double the buffer size until it fits */
-                                                               while (field->num_bits>bitq_in_bufsize*8) bitq_in_bufsize*=2;
-                                                       }
-                                                       /* if necessary, allocate buffer and check for malloc error */ 
-                                                       if (bitq_in_buffer==NULL && (bitq_in_buffer=malloc(bitq_in_bufsize))==NULL) {
-                                                               ERROR("malloc error");
-                                                               exit(-1);                
-                                                       }
-                                                       in_buff=(void *)bitq_in_buffer;
-                                               }
-                                       }
-
-                                       /* field scanning */
-                                       while (bitq_in_state.bit_pos<field->num_bits) {
-                                               if ((tdo=bitq_interface->in())<0) {
-#ifdef _DEBUG_JTAG_IO_
-                                                       DEBUG("bitq in EOF");
-#endif
-                                                       return;
-                                               }
-                                               if (in_mask==0x01) in_buff[in_idx]=0;
-                                               if (tdo) in_buff[in_idx]|=in_mask;
-                                               if (in_mask==0x80) {
-                                                       in_mask=0x01;
-                                                       in_idx++;
-                                               }
-                                               else in_mask<<=1;
-                                               bitq_in_state.bit_pos++;
-                                       }
-                                       
-
-                                       if (field->in_handler && bitq_in_state.status==ERROR_OK) {
-                                               bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv, field);
-                                       }
-
-                               }
-                               
-                               bitq_in_state.field_idx++; /* advance to next field */
-                               bitq_in_state.bit_pos=0; /* start next field from the first bit */
-                       }
-
-               }
-               bitq_in_state.cmd=bitq_in_state.cmd->next; /* advance to next command */
-               bitq_in_state.field_idx=0; /* preselect first field */
-       }
-}
-
-
-
-void bitq_io(int tms, int tdi, int tdo_req)
-{
-       bitq_interface->out(tms, tdi, tdo_req);
-       /* check and process the input queue */ 
-       if (bitq_interface->in_rdy()) bitq_in_proc();
-}
-
-
-void bitq_end_state(enum tap_state state)
-{
-       if (state==-1) return;
-       if (tap_move_map[state]==-1) {
-               ERROR("BUG: %i is not a valid end state", state);
-               exit(-1);
-       }
-       end_state = state;
-}
-
-
-void bitq_state_move(enum tap_state new_state)
-{
-       int i=0;
-       u8 tms_scan;
-
-       if (tap_move_map[cur_state]==-1 || tap_move_map[new_state]==-1) {
-               ERROR("TAP move from or to unstable state");
-               exit(-1);
-       }
-       
-       tms_scan=TAP_MOVE(cur_state, new_state);
-
-       for (i=0; i<7; i++) {
-               bitq_io(tms_scan&1, 0, 0);
-               tms_scan>>=1;
-       }
-
-       cur_state = new_state;
-}
-
-
-void bitq_path_move(pathmove_command_t *cmd)
-{
-       int i;
-
-       for (i=0; i<=cmd->num_states; i++) {
-               if (tap_transitions[cur_state].low == cmd->path[i]) bitq_io(0, 0, 0);
-               else if (tap_transitions[cur_state].high == cmd->path[i]) bitq_io(1, 0, 0);
-               else {
-                       ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[i]]);
-                       exit(-1);
-               }
-
-               cur_state = cmd->path[i];
-       }
-
-       end_state = cur_state;
-}
-
-
-void bitq_runtest(int num_cycles)
-{
-       int i;
-
-       /* only do a state_move when we're not already in RTI */
-       if (cur_state != TAP_RTI) bitq_state_move(TAP_RTI);
-
-       /* execute num_cycles */
-       for (i = 0; i < num_cycles; i++)
-               bitq_io(0, 0, 0);
-
-       /* finish in end_state */
-       if (cur_state != end_state) bitq_state_move(end_state);
-}
-
-
-void bitq_scan_field(scan_field_t *field, int pause)
-{
-       int bit_cnt;
-       int tdo_req;
-
-       u8 *out_ptr;
-       u8 out_mask;
-       
-       if ( field->in_value || field->in_handler) tdo_req=1;
-       else tdo_req=0;
-
-       if (field->out_value==NULL) {
-               /* just send zeros and request data from TDO */
-               for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--)
-                       bitq_io(0, 0, tdo_req);
-               bitq_io(pause, 0, tdo_req);
-       }
-       else {
-               /* send data, and optionally request TDO */
-               out_mask=0x01;
-               out_ptr=field->out_value;
-               for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--) {
-                       bitq_io(0, ((*out_ptr)&out_mask)!=0, tdo_req);
-                       if (out_mask==0x80) {
-                               out_mask=0x01;
-                               out_ptr++;
-                       }
-                       else out_mask<<=1;
-               }
-               bitq_io(pause, ((*out_ptr)&out_mask)!=0, tdo_req);
-       }
-
-       if (pause) {
-               bitq_io(0,0,0);
-               if (cur_state==TAP_SI) cur_state=TAP_PI;
-               else if (cur_state==TAP_SD) cur_state=TAP_PD;
-       }
-}
-
-
-void bitq_scan(scan_command_t *cmd)
-{
-       int i;
-
-       if (cmd->ir_scan) bitq_state_move(TAP_SI);
-       else bitq_state_move(TAP_SD);
-
-       for (i=0; i < cmd->num_fields-1; i++)
-               bitq_scan_field(&cmd->fields[i], 0);
-       bitq_scan_field(&cmd->fields[i], 1);
-}
-
-
-int bitq_execute_queue(void)
-{
-       jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
-       
-       bitq_in_state.cmd = jtag_command_queue;
-       bitq_in_state.field_idx = 0;
-       bitq_in_state.bit_pos = 0;
-       bitq_in_state.status = ERROR_OK;
-
-       while (cmd) {
-
-               switch (cmd->type) {
-
-                       case JTAG_END_STATE:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
-#endif
-                               bitq_end_state(cmd->cmd.end_state->end_state);
-                               break;
-
-                       case JTAG_RESET:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-#endif
-                               bitq_interface->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-                               if (bitq_interface->in_rdy()) bitq_in_proc();
-                               break;
-
-                       case JTAG_RUNTEST:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
-#endif
-                               bitq_end_state(cmd->cmd.runtest->end_state);
-                               bitq_runtest(cmd->cmd.runtest->num_cycles);
-                               break;
-
-                       case JTAG_STATEMOVE:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
-#endif
-                               bitq_end_state(cmd->cmd.statemove->end_state);
-                               bitq_state_move(end_state); /* uncoditional TAP move */
-                               break;
-
-                       case JTAG_PATHMOVE:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
-#endif
-                               bitq_path_move(cmd->cmd.pathmove);
-                               break;
-
-                       case JTAG_SCAN:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("scan end in %i", cmd->cmd.scan->end_state);
-                               if (cmd->cmd.scan->ir_scan) DEBUG("scan ir");
-                               else DEBUG("scan dr");
-#endif
-                               bitq_end_state(cmd->cmd.scan->end_state);
-                               bitq_scan(cmd->cmd.scan);
-                               if (cur_state != end_state) bitq_state_move(end_state);
-                               break;
-
-                       case JTAG_SLEEP:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("sleep %i", cmd->cmd.sleep->us);
-#endif
-                               bitq_interface->sleep(cmd->cmd.sleep->us);
-                               if (bitq_interface->in_rdy()) bitq_in_proc();
-                               break;
-
-                       default:
-                               ERROR("BUG: unknown JTAG command type encountered");
-                               exit(-1);
-               }
-
-               cmd = cmd->next;
-       }
-
-       bitq_interface->flush();
-       bitq_in_proc();
-
-       if (bitq_in_state.cmd) {
-               ERROR("missing data from bitq interface");
-               return ERROR_JTAG_QUEUE_FAILED;
-       }
-       if (bitq_interface->in()>=0) {
-               ERROR("extra data from bitq interface");
-               return ERROR_JTAG_QUEUE_FAILED;
-       }
-
-       return bitq_in_state.status;
-}
-
-
-void bitq_cleanup(void)
-{
-       if (bitq_in_buffer!=NULL)
-       {
-               free(bitq_in_buffer);
-               bitq_in_buffer=NULL;
-       }
-}
+/***************************************************************************\r
+ *   Copyright (C) 2007 by Pavel Chromy                                    *\r
+ *   chromy@asix.cz                                                        *\r
+ *                                                                         *\r
+ *   This program is free software; you can redistribute it and/or modify  *\r
+ *   it under the terms of the GNU General Public License as published by  *\r
+ *   the Free Software Foundation; either version 2 of the License, or     *\r
+ *   (at your option) any later version.                                   *\r
+ *                                                                         *\r
+ *   This program is distributed in the hope that it will be useful,       *\r
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
+ *   GNU General Public License for more details.                          *\r
+ *                                                                         *\r
+ *   You should have received a copy of the GNU General Public License     *\r
+ *   along with this program; if not, write to the                         *\r
+ *   Free Software Foundation, Inc.,                                       *\r
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
+ ***************************************************************************/\r
+#ifdef HAVE_CONFIG_H\r
+#include "config.h"\r
+#endif\r
+\r
+#include "bitq.h"\r
+\r
+/* project specific includes */\r
+#include "log.h"\r
+#include "types.h"\r
+#include "jtag.h"\r
+#include "configuration.h"\r
+\r
+/* system includes */\r
+#include <string.h>\r
+#include <stdlib.h>\r
+#include <unistd.h>\r
+\r
+#include <sys/time.h>\r
+#include <time.h>\r
+\r
+\r
+bitq_interface_t *bitq_interface; /* low level bit queue interface */\r
+\r
+bitq_state_t bitq_in_state; /* state of input queue */\r
+\r
+u8 *bitq_in_buffer; /* buffer dynamically reallocated as needed */\r
+unsigned long bitq_in_bufsize=32; /* min. buffer size */\r
+\r
+\r
+/*\r
+ * input queue processing does not use jtag_read_buffer() to avoid unnecessary overhead\r
+ * also the buffer for incomming data is reallocated only if necessary\r
+ * no parameters, makes use of stored state information\r
+ */\r
+void bitq_in_proc(void)\r
+{\r
+       /* static information preserved between calls to increase performance */\r
+       static u8 *in_buff; /* pointer to buffer for scanned data */\r
+       static int in_idx; /* index of byte being scanned */\r
+       static u8 in_mask; /* mask of next bit to be scanned */\r
+\r
+       scan_field_t *field;\r
+       int tdo;\r
+\r
+       /* loop through the queue */\r
+       while (bitq_in_state.cmd) {\r
+               /* only JTAG_SCAN command may return data */\r
+               if (bitq_in_state.cmd->type==JTAG_SCAN) {\r
+                       /* loop through the fields */\r
+                       while (bitq_in_state.field_idx<bitq_in_state.cmd->cmd.scan->num_fields) {\r
+\r
+                               field=&bitq_in_state.cmd->cmd.scan->fields[bitq_in_state.field_idx];\r
+                               if ( field->in_value || field->in_handler) {\r
+\r
+                                       if (bitq_in_state.bit_pos==0) {\r
+                                               /* initialize field scanning */\r
+                                               in_mask=0x01;\r
+                                               in_idx=0;\r
+                                               if (field->in_value) in_buff=field->in_value;\r
+                                               else {\r
+                                                       /* buffer reallocation needed? */\r
+                                                       if (field->num_bits>bitq_in_bufsize*8) {\r
+                                                               /* buffer previously allocated? */\r
+                                                               if (bitq_in_buffer!=NULL) {\r
+                                                                       /* free it */\r
+                                                                       free(bitq_in_buffer);\r
+                                                                       bitq_in_buffer=NULL;\r
+                                                               }\r
+                                                               /* double the buffer size until it fits */\r
+                                                               while (field->num_bits>bitq_in_bufsize*8) bitq_in_bufsize*=2;\r
+                                                       }\r
+                                                       /* if necessary, allocate buffer and check for malloc error */\r
+                                                       if (bitq_in_buffer==NULL && (bitq_in_buffer=malloc(bitq_in_bufsize))==NULL) {\r
+                                                               ERROR("malloc error");\r
+                                                               exit(-1);\r
+                                                       }\r
+                                                       in_buff=(void *)bitq_in_buffer;\r
+                                               }\r
+                                       }\r
+\r
+                                       /* field scanning */\r
+                                       while (bitq_in_state.bit_pos<field->num_bits) {\r
+                                               if ((tdo=bitq_interface->in())<0) {\r
+#ifdef _DEBUG_JTAG_IO_\r
+                                                       DEBUG("bitq in EOF");\r
+#endif\r
+                                                       return;\r
+                                               }\r
+                                               if (in_mask==0x01) in_buff[in_idx]=0;\r
+                                               if (tdo) in_buff[in_idx]|=in_mask;\r
+                                               if (in_mask==0x80) {\r
+                                                       in_mask=0x01;\r
+                                                       in_idx++;\r
+                                               }\r
+                                               else in_mask<<=1;\r
+                                               bitq_in_state.bit_pos++;\r
+                                       }\r
+\r
+\r
+                                       if (field->in_handler && bitq_in_state.status==ERROR_OK) {\r
+                                               bitq_in_state.status=(*field->in_handler)(in_buff, field->in_handler_priv, field);\r
+                                       }\r
+\r
+                               }\r
+\r
+                               bitq_in_state.field_idx++; /* advance to next field */\r
+                               bitq_in_state.bit_pos=0; /* start next field from the first bit */\r
+                       }\r
+\r
+               }\r
+               bitq_in_state.cmd=bitq_in_state.cmd->next; /* advance to next command */\r
+               bitq_in_state.field_idx=0; /* preselect first field */\r
+       }\r
+}\r
+\r
+\r
+\r
+void bitq_io(int tms, int tdi, int tdo_req)\r
+{\r
+       bitq_interface->out(tms, tdi, tdo_req);\r
+       /* check and process the input queue */\r
+       if (bitq_interface->in_rdy()) bitq_in_proc();\r
+}\r
+\r
+\r
+void bitq_end_state(enum tap_state state)\r
+{\r
+       if (state==-1) return;\r
+       if (tap_move_map[state]==-1) {\r
+               ERROR("BUG: %i is not a valid end state", state);\r
+               exit(-1);\r
+       }\r
+       end_state = state;\r
+}\r
+\r
+\r
+void bitq_state_move(enum tap_state new_state)\r
+{\r
+       int i=0;\r
+       u8 tms_scan;\r
+\r
+       if (tap_move_map[cur_state]==-1 || tap_move_map[new_state]==-1) {\r
+               ERROR("TAP move from or to unstable state");\r
+               exit(-1);\r
+       }\r
+\r
+       tms_scan=TAP_MOVE(cur_state, new_state);\r
+\r
+       for (i=0; i<7; i++) {\r
+               bitq_io(tms_scan&1, 0, 0);\r
+               tms_scan>>=1;\r
+       }\r
+\r
+       cur_state = new_state;\r
+}\r
+\r
+\r
+void bitq_path_move(pathmove_command_t *cmd)\r
+{\r
+       int i;\r
+\r
+       for (i=0; i<=cmd->num_states; i++) {\r
+               if (tap_transitions[cur_state].low == cmd->path[i]) bitq_io(0, 0, 0);\r
+               else if (tap_transitions[cur_state].high == cmd->path[i]) bitq_io(1, 0, 0);\r
+               else {\r
+                       ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[i]]);\r
+                       exit(-1);\r
+               }\r
+\r
+               cur_state = cmd->path[i];\r
+       }\r
+\r
+       end_state = cur_state;\r
+}\r
+\r
+\r
+void bitq_runtest(int num_cycles)\r
+{\r
+       int i;\r
+\r
+       /* only do a state_move when we're not already in RTI */\r
+       if (cur_state != TAP_RTI) bitq_state_move(TAP_RTI);\r
+\r
+       /* execute num_cycles */\r
+       for (i = 0; i < num_cycles; i++)\r
+               bitq_io(0, 0, 0);\r
+\r
+       /* finish in end_state */\r
+       if (cur_state != end_state) bitq_state_move(end_state);\r
+}\r
+\r
+\r
+void bitq_scan_field(scan_field_t *field, int pause)\r
+{\r
+       int bit_cnt;\r
+       int tdo_req;\r
+\r
+       u8 *out_ptr;\r
+       u8 out_mask;\r
+\r
+       if ( field->in_value || field->in_handler) tdo_req=1;\r
+       else tdo_req=0;\r
+\r
+       if (field->out_value==NULL) {\r
+               /* just send zeros and request data from TDO */\r
+               for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--)\r
+                       bitq_io(0, 0, tdo_req);\r
+               bitq_io(pause, 0, tdo_req);\r
+       }\r
+       else {\r
+               /* send data, and optionally request TDO */\r
+               out_mask=0x01;\r
+               out_ptr=field->out_value;\r
+               for (bit_cnt=field->num_bits; bit_cnt>1; bit_cnt--) {\r
+                       bitq_io(0, ((*out_ptr)&out_mask)!=0, tdo_req);\r
+                       if (out_mask==0x80) {\r
+                               out_mask=0x01;\r
+                               out_ptr++;\r
+                       }\r
+                       else out_mask<<=1;\r
+               }\r
+               bitq_io(pause, ((*out_ptr)&out_mask)!=0, tdo_req);\r
+       }\r
+\r
+       if (pause) {\r
+               bitq_io(0,0,0);\r
+               if (cur_state==TAP_SI) cur_state=TAP_PI;\r
+               else if (cur_state==TAP_SD) cur_state=TAP_PD;\r
+       }\r
+}\r
+\r
+\r
+void bitq_scan(scan_command_t *cmd)\r
+{\r
+       int i;\r
+\r
+       if (cmd->ir_scan) bitq_state_move(TAP_SI);\r
+       else bitq_state_move(TAP_SD);\r
+\r
+       for (i=0; i < cmd->num_fields-1; i++)\r
+               bitq_scan_field(&cmd->fields[i], 0);\r
+       bitq_scan_field(&cmd->fields[i], 1);\r
+}\r
+\r
+\r
+int bitq_execute_queue(void)\r
+{\r
+       jtag_command_t *cmd = jtag_command_queue; /* currently processed command */\r
+\r
+       bitq_in_state.cmd = jtag_command_queue;\r
+       bitq_in_state.field_idx = 0;\r
+       bitq_in_state.bit_pos = 0;\r
+       bitq_in_state.status = ERROR_OK;\r
+\r
+       while (cmd) {\r
+\r
+               switch (cmd->type) {\r
+\r
+                       case JTAG_END_STATE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("end_state: %i", cmd->cmd.end_state->end_state);\r
+#endif\r
+                               bitq_end_state(cmd->cmd.end_state->end_state);\r
+                               break;\r
+\r
+                       case JTAG_RESET:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
+#endif\r
+                               bitq_interface->reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
+                               if (bitq_interface->in_rdy()) bitq_in_proc();\r
+                               break;\r
+\r
+                       case JTAG_RUNTEST:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);\r
+#endif\r
+                               bitq_end_state(cmd->cmd.runtest->end_state);\r
+                               bitq_runtest(cmd->cmd.runtest->num_cycles);\r
+                               break;\r
+\r
+                       case JTAG_STATEMOVE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);\r
+#endif\r
+                               bitq_end_state(cmd->cmd.statemove->end_state);\r
+                               bitq_state_move(end_state); /* uncoditional TAP move */\r
+                               break;\r
+\r
+                       case JTAG_PATHMOVE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);\r
+#endif\r
+                               bitq_path_move(cmd->cmd.pathmove);\r
+                               break;\r
+\r
+                       case JTAG_SCAN:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("scan end in %i", cmd->cmd.scan->end_state);\r
+                               if (cmd->cmd.scan->ir_scan) DEBUG("scan ir");\r
+                               else DEBUG("scan dr");\r
+#endif\r
+                               bitq_end_state(cmd->cmd.scan->end_state);\r
+                               bitq_scan(cmd->cmd.scan);\r
+                               if (cur_state != end_state) bitq_state_move(end_state);\r
+                               break;\r
+\r
+                       case JTAG_SLEEP:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("sleep %i", cmd->cmd.sleep->us);\r
+#endif\r
+                               bitq_interface->sleep(cmd->cmd.sleep->us);\r
+                               if (bitq_interface->in_rdy()) bitq_in_proc();\r
+                               break;\r
+\r
+                       default:\r
+                               ERROR("BUG: unknown JTAG command type encountered");\r
+                               exit(-1);\r
+               }\r
+\r
+               cmd = cmd->next;\r
+       }\r
+\r
+       bitq_interface->flush();\r
+       bitq_in_proc();\r
+\r
+       if (bitq_in_state.cmd) {\r
+               ERROR("missing data from bitq interface");\r
+               return ERROR_JTAG_QUEUE_FAILED;\r
+       }\r
+       if (bitq_interface->in()>=0) {\r
+               ERROR("extra data from bitq interface");\r
+               return ERROR_JTAG_QUEUE_FAILED;\r
+       }\r
+\r
+       return bitq_in_state.status;\r
+}\r
+\r
+\r
+void bitq_cleanup(void)\r
+{\r
+       if (bitq_in_buffer!=NULL)\r
+       {\r
+               free(bitq_in_buffer);\r
+               bitq_in_buffer=NULL;\r
+       }\r
+}\r
index ab4fe77..2ff785a 100644 (file)
-/***************************************************************************
- *   Copyright (C) 2007 by Benedikt Sauter sauter@ixbat.de                        *
- *   based on Dominic Rath's amt_jtagaccel.c                                      *
- *                                                                                                            * 
- *   usbprog is a free programming adapter. You can easily install            *
- *   different firmware versions from an "online pool" over USB.              * 
- *   The adapter can be used for programming and debugging AVR and ARM     *
- *   processors, as USB to RS232 converter, as JTAG interface or as        *
- *   simple I/O interface (5 lines).                                                      *
- *                                                                                                            *
- *   http://www.embedded-projects.net/usbprog                                         *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
- ***************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "replacements.h"
-
-#include "jtag.h"
-#include <usb.h>
-
-/* system includes */
-
-#include "log.h"
-
-#define VID 0x1781
-#define PID 0x0c63
-
-/* Pins at usbprog */
-#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);
-int usbprog_register_commands(struct command_context_s *cmd_ctx);
-int usbprog_init(void);
-int usbprog_quit(void);
-
-void usbprog_end_state(enum tap_state state);
-void usbprog_state_move(void);
-void usbprog_path_move(pathmove_command_t *cmd);
-void usbprog_runtest(int num_cycles);
-void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size);
-
-jtag_interface_t usbprog_interface = 
-{
-       .name = "usbprog",
-       .execute_queue = usbprog_execute_queue,
-       .speed = usbprog_speed, 
-       .register_commands = usbprog_register_commands,
-       .init = usbprog_init,
-       .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
-
-struct usbprog_jtag 
-{
-       struct usb_dev_handle* usb_handle;
-};
-
-struct usbprog_jtag * usbprog_jtag_handle;
-
-struct usbprog_jtag* usbprog_jtag_open();
-void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag);
-void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag);
-unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen);
-
-void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
-void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan);
-
-char tms_chain[64];
-int tms_chain_index;
-void usbprog_jtag_tms_collect(char tms_scan);
-void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag);
-
-void usbprog_write(int tck, int tms, int tdi);
-void usbprog_reset(int trst, int srst);
-
-void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction);
-void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value);
-unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag);
-void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value);
-int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit);
-
-int usbprog_speed(int speed)
-{
-       return ERROR_OK;
-}
-
-int usbprog_register_commands(struct command_context_s *cmd_ctx)
-{
-       return ERROR_OK;
-}
-
-int usbprog_execute_queue(void)
-{
-       jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
-       int scan_size;
-       enum scan_type type;
-       u8 *buffer;
-       
-       while (cmd)
-       {
-               switch (cmd->type)
-               {
-                       case JTAG_END_STATE:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
-#endif
-                               if (cmd->cmd.end_state->end_state != -1)
-                                       usbprog_end_state(cmd->cmd.end_state->end_state);
-                               break;
-                       case JTAG_RESET:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-#endif
-                               if (cmd->cmd.reset->trst == 1)
-                               {
-                                       cur_state = TAP_TLR;
-                               }
-                               usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
-                               break;
-                       case JTAG_RUNTEST:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
-#endif
-                               if (cmd->cmd.runtest->end_state != -1)
-                                       usbprog_end_state(cmd->cmd.runtest->end_state);
-                               usbprog_runtest(cmd->cmd.runtest->num_cycles);
-                               break;
-                       case JTAG_STATEMOVE:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
-#endif
-                               if (cmd->cmd.statemove->end_state != -1)
-                                       usbprog_end_state(cmd->cmd.statemove->end_state);
-                               usbprog_state_move();
-                               break;
-                       case JTAG_PATHMOVE:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states, 
-                                       cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
-#endif
-                               usbprog_path_move(cmd->cmd.pathmove);
-                               break;
-                       case JTAG_SCAN:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("scan end in %i", cmd->cmd.scan->end_state);
-#endif
-                               if (cmd->cmd.scan->end_state != -1)
-                                       usbprog_end_state(cmd->cmd.scan->end_state);
-                               scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
-                               type = jtag_scan_type(cmd->cmd.scan);
-                               usbprog_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
-                               if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)
-                                       return ERROR_JTAG_QUEUE_FAILED;
-                               if (buffer)
-                                       free(buffer);
-                               break;
-                       case JTAG_SLEEP:
-#ifdef _DEBUG_JTAG_IO_
-                               DEBUG("sleep %i", cmd->cmd.sleep->us);
-#endif
-                               jtag_sleep(cmd->cmd.sleep->us);
-                                       break;
-                       default:
-                               ERROR("BUG: unknown JTAG command type encountered");
-                               exit(-1);
-               }
-                       
-               cmd = cmd->next;
-       }
-       
-       return ERROR_OK;
-}
-
-int usbprog_init(void)
-{
-       usbprog_jtag_handle = usbprog_jtag_open();
-       
-       tms_chain_index = 0;
-       if (usbprog_jtag_handle == 0)
-       {
-               ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");
-               return ERROR_JTAG_INIT_FAILED;
-       }
-       
-       INFO("USB JTAG Interface ready!");
-       
-       usbprog_jtag_init(usbprog_jtag_handle);
-       usbprog_reset(0, 0);
-       usbprog_write(0, 0, 0);
-       
-       return ERROR_OK;
-}
-
-int usbprog_quit(void)
-{
-       return ERROR_OK;
-}
-
-/*************** jtag execute commands **********************/
-void usbprog_end_state(enum tap_state state)
-{
-       if (tap_move_map[state] != -1)
-               end_state = state;
-       else
-       {
-               ERROR("BUG: %i is not a valid end state", state);
-               exit(-1);
-       }
-}
-
-void usbprog_state_move(void)
-{      
-       int i = 0, tms = 0;
-       u8 tms_scan = TAP_MOVE(cur_state, end_state);
-       
-       usbprog_jtag_write_tms(usbprog_jtag_handle, (char)tms_scan);
-       for (i = 0; i < 7; i++)
-       {
-               tms = (tms_scan >> i) & 1;
-       }
-       
-       cur_state = end_state;
-}
-
-void usbprog_path_move(pathmove_command_t *cmd)
-{
-       int num_states = cmd->num_states;
-       int state_count;
-       
-       state_count = 0;
-       while (num_states)
-       {
-               if (tap_transitions[cur_state].low == cmd->path[state_count])
-               {
-                       //INFO("1");
-                       usbprog_write(0, 0, 0);
-                       usbprog_write(1, 0, 0);
-               }
-               else if (tap_transitions[cur_state].high == cmd->path[state_count])
-               {
-                       //INFO("2");
-                       usbprog_write(0, 1, 0);
-                       usbprog_write(1, 1, 0);
-               }
-               else
-               {
-                       ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);
-                       exit(-1);
-               }
-               
-               cur_state = cmd->path[state_count];
-               state_count++;
-               num_states--;
-       }
-       
-       end_state = cur_state;
-}
-
-void usbprog_runtest(int num_cycles)
-{
-       int i;
-       
-       /* only do a state_move when we're not already in RTI */
-       if (cur_state != TAP_RTI)
-       {
-               usbprog_end_state(TAP_RTI);
-               usbprog_state_move();
-       }
-       
-       /* execute num_cycles */
-       if (num_cycles > 0)
-       {
-               usbprog_jtag_tms_send(usbprog_jtag_handle);
-               usbprog_write(0, 0, 0);
-       }
-       else
-       {
-               usbprog_jtag_tms_send(usbprog_jtag_handle);
-               //INFO("NUM CYCLES %i",num_cycles);
-       }
-       
-       for (i = 0; i < num_cycles; i++)
-       {
-               usbprog_write(1, 0, 0);
-               usbprog_write(0, 0, 0);
-       }
-       
-       /* finish in end_state */
-       /*
-       usbprog_end_state(saved_end_state);
-       if (cur_state != end_state)
-               usbprog_state_move();
-       */
-}
-
-void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
-{
-       enum tap_state saved_end_state = end_state;
-       
-       if (ir_scan)
-               usbprog_end_state(TAP_SI);
-       else
-               usbprog_end_state(TAP_SD);
-       
-       //usbprog_jtag_tms_send(usbprog_jtag_handle);
-       
-       usbprog_state_move();
-       usbprog_end_state(saved_end_state);
-       
-       usbprog_jtag_tms_send(usbprog_jtag_handle);
-       
-       if (type == SCAN_OUT)
-       {
-               usbprog_jtag_write_tdi(usbprog_jtag_handle,buffer, scan_size);
-       }
-       if (type == SCAN_IN)
-       {
-               usbprog_jtag_read_tdo(usbprog_jtag_handle,buffer, scan_size);
-       }
-       if (type == SCAN_IO)
-       {
-               usbprog_jtag_write_and_read(usbprog_jtag_handle,buffer, scan_size);
-       }
-       
-       if (ir_scan)
-               cur_state = TAP_PI;
-       else
-               cur_state = TAP_PD;
-       
-       if (cur_state != end_state)
-               usbprog_state_move();
-}
-
-/*************** jtag wrapper functions *********************/
-
-void usbprog_write(int tck, int tms, int tdi)
-{
-       unsigned char output_value=0x00;
-       
-       if (tms)
-               output_value |= (1<<TMS_BIT);
-       if (tdi)
-               output_value |= (1<<TDI_BIT);
-       if (tck)
-               output_value |= (1<<TCK_BIT);
-       
-       usbprog_jtag_write_slice(usbprog_jtag_handle,output_value);
-}
-
-/* (1) assert or (0) deassert reset lines */
-void usbprog_reset(int trst, int srst)
-{
-       DEBUG("trst: %i, srst: %i", trst, srst);
-       
-       if (trst)
-               usbprog_jtag_set_bit(usbprog_jtag_handle, 5, 0);
-       else
-               usbprog_jtag_set_bit(usbprog_jtag_handle, 5, 1);
-       
-       if (srst)
-               usbprog_jtag_set_bit(usbprog_jtag_handle, 4, 0);
-       else
-               usbprog_jtag_set_bit(usbprog_jtag_handle, 4, 1);
-}
-
-/*************** jtag lowlevel functions ********************/
-
-struct usb_bus *busses;
-
-struct usbprog_jtag* usbprog_jtag_open()
-{
-       struct usb_bus *bus;
-       struct usb_device *dev;
-       
-       struct usbprog_jtag *tmp;
-       
-       tmp = (struct usbprog_jtag*)malloc(sizeof(struct usbprog_jtag));
-       
-       usb_set_debug(10);      
-       usb_init();
-       usb_find_busses();
-       usb_find_devices();
-       
-       busses = usb_get_busses();
-       
-       /* find usbprog_jtag device in usb bus */
-       
-       for (bus = busses; bus; bus = bus->next)
-       {
-               for (dev = bus->devices; dev; dev = dev->next)
-               {
-                       /* condition for sucessfully hit (too bad, I only check the vendor id)*/
-                       if (dev->descriptor.idVendor == VID && dev->descriptor.idProduct == PID)
-                       {
-                               tmp->usb_handle = usb_open(dev);
-                               usb_set_configuration(tmp->usb_handle, 1);
-                               usb_claim_interface(tmp->usb_handle, 0);
-                               usb_set_altinterface(tmp->usb_handle, 0);
-                               return tmp;
-                       }
-               } 
-       }
-       return 0;
-}
-
-void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag)
-{
-       usb_close(usbprog_jtag->usb_handle);
-       free(usbprog_jtag);
-}
-
-unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen)
-{
-       int res = usb_bulk_write(usbprog_jtag->usb_handle, 3, msg,msglen, 100);
-       if ((msg[0] == 2) || (msg[0] == 1) || (msg[0] == 4) || (msg[0] == 0) || \
-                       (msg[0] == 6) || (msg[0] == 0x0A) || (msg[0] == 9))
-               return 1;  
-       if (res == msglen)
-       {
-               //INFO("HALLLLOOO %i",(int)msg[0]);
-               res =  usb_bulk_read(usbprog_jtag->usb_handle, 0x82, msg, 2, 100);
-               if (res > 0)
-                       return (unsigned char)msg[1];
-               else 
-                       return -1;
-       }
-       else
-               return -1;
-       return 0;
-}
-
-void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag)
-{
-       usbprog_jtag_set_direction(usbprog_jtag, 0xFE);
-}
-
-void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
-{
-       char tmp[64];   // fastes packet size for usb controller
-       int send_bits, bufindex = 0, fillindex = 0, i, loops;
-       
-       char swap;
-       // 61 byte can be transfered (488 bit)
-       
-       while (size > 0)
-       {  
-               if (size > 488)
-               {
-                       send_bits = 488;
-                       size = size - 488;
-                       loops = 61;
-               }
-               else
-               {
-                       send_bits = size;
-                       loops = size / 8;
-                       loops++;
-                       size = 0;
-               }
-               tmp[0] = WRITE_AND_READ;
-               tmp[1] = (char)(send_bits >> 8);        // high 
-               tmp[2] = (char)(send_bits);                     // low
-               i = 0; 
-               
-               for (i = 0; i < loops; i++)
-               {
-                       tmp[3 + i] = buffer[bufindex];
-                       bufindex++;
-               }
-               
-               if (usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000) == 64)
-               {
-                       //INFO("HALLLLOOO2 %i",(int)tmp[0]);
-                       usleep(1);
-                       int timeout = 0;
-                       while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 1000) < 1)
-                       {
-                               timeout++;
-                               if (timeout > 10)
-                                       break;
-                       }       
-                       
-                       for (i = 0; i < loops; i++)
-                       {
-                               swap =  tmp[3 + i];
-                               buffer[fillindex++] = swap;
-                       } 
-               }
-       }
-}
-
-void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
-{
-       char tmp[64];   // fastes packet size for usb controller
-       int send_bits, fillindex = 0, i, loops;
-
-       char swap;
-       // 61 byte can be transfered (488 bit)
-    
-       while (size > 0)
-       {  
-               if (size > 488)
-               {
-                       send_bits = 488;
-                       size = size - 488;
-                       loops = 61;
-               }
-               else
-               {
-                       send_bits = size;
-                       loops = size / 8;
-                       loops++;
-                       size = 0;
-               }
-               tmp[0] = WRITE_AND_READ;
-               tmp[1] = (char)(send_bits >> 8);        // high 
-               tmp[2] = (char)(send_bits);                     // low
-    
-               usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 3, 1000);
-    
-               //INFO("HALLLLOOO3 %i",(int)tmp[0]);
-               int timeout = 0;
-               usleep(1);
-               while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 10) < 1)
-               {
-                       timeout++;
-                       if (timeout > 10)
-                               break;
-               }
-
-               for (i = 0; i < loops; i++)
-               {
-                       swap = tmp[3 + i];
-                       buffer[fillindex++] = swap;
-               } 
-       }
-}
-
-void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)
-{
-       char tmp[64];   // fastes packet size for usb controller
-       int send_bits, bufindex = 0, i, loops;
-
-       // 61 byte can be transfered (488 bit)
-       while (size > 0)
-       {
-               if (size > 488)
-               {
-                       send_bits = 488;
-                       size = size - 488;
-                       loops = 61;
-               }
-               else
-               {
-                       send_bits = size;
-                       loops = size/8;
-                       //if(loops==0)
-                       loops++;
-                       size = 0;
-               }
-               tmp[0] = WRITE_TDI;
-               tmp[1] = (char)(send_bits >> 8);        // high 
-               tmp[2] = (char)(send_bits);                     // low
-               i = 0; 
-               
-               for (i = 0; i < loops; i++)
-               {
-                       tmp[3 + i] = buffer[bufindex];
-                       bufindex++;
-               }
-               usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000);
-       }
-}
-
-void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan)
-{
-       usbprog_jtag_tms_collect(tms_scan);
-}
-
-void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction)
-{
-       char tmp[2];
-       tmp[0] = PORT_DIRECTION;
-       tmp[1] = (char)direction;
-       usbprog_jtag_message(usbprog_jtag, tmp, 2);
-}
-
-void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value)
-{
-       char tmp[2];
-       tmp[0] = PORT_SET;
-       tmp[1] = (char)value;
-       usbprog_jtag_message(usbprog_jtag, tmp, 2);
-}
-
-unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag)
-{
-       char tmp[2];
-       tmp[0] = PORT_GET;
-       tmp[1] = 0x00;
-       return usbprog_jtag_message(usbprog_jtag, tmp, 2);
-}
-
-void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value)
-{
-       char tmp[3];
-       tmp[0] = PORT_SETBIT;
-       tmp[1] = (char)bit;
-       if (value == 1)  
-               tmp[2] = 0x01;
-       else
-               tmp[2] = 0x00;
-       usbprog_jtag_message(usbprog_jtag, tmp, 3);
-}
-
-int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit)
-{
-       char tmp[2];
-       tmp[0] = PORT_GETBIT;
-       tmp[1] = (char)bit;
-       
-       if (usbprog_jtag_message(usbprog_jtag, tmp, 2) > 0)
-               return 1;
-       else
-               return 0;
-}
-
-void usbprog_jtag_tms_collect(char tms_scan)
-{
-       tms_chain[tms_chain_index] = tms_scan;
-       tms_chain_index++;
-}
-
-void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag)
-{
-       int i;
-       //INFO("TMS SEND");
-       if (tms_chain_index > 0)
-       {
-               char tmp[tms_chain_index + 2];
-               tmp[0] = WRITE_TMS_CHAIN;
-               tmp[1] = (char)(tms_chain_index);
-               for (i = 0; i < tms_chain_index + 1; i++)
-                       tmp[2 + i] = tms_chain[i];
-               usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, tms_chain_index + 2, 1000);
-               tms_chain_index = 0;
-       }
-}
+/***************************************************************************\r
+ *   Copyright (C) 2007 by Benedikt Sauter sauter@ixbat.de                 *\r
+ *   based on Dominic Rath's amt_jtagaccel.c                               *\r
+ *                                                                         *\r
+ *   usbprog is a free programming adapter. You can easily install         *\r
+ *   different firmware versions from an "online pool" over USB.           *\r
+ *   The adapter can be used for programming and debugging AVR and ARM     *\r
+ *   processors, as USB to RS232 converter, as JTAG interface or as        *\r
+ *   simple I/O interface (5 lines).                                       *\r
+ *                                                                         *\r
+ *   http://www.embedded-projects.net/usbprog                              *\r
+ *                                                                         *\r
+ *   This program is free software; you can redistribute it and/or modify  *\r
+ *   it under the terms of the GNU General Public License as published by  *\r
+ *   the Free Software Foundation; either version 2 of the License, or     *\r
+ *   (at your option) any later version.                                   *\r
+ *                                                                         *\r
+ *   This program is distributed in the hope that it will be useful,       *\r
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
+ *   GNU General Public License for more details.                          *\r
+ *                                                                         *\r
+ *   You should have received a copy of the GNU General Public License     *\r
+ *   along with this program; if not, write to the                         *\r
+ *   Free Software Foundation, Inc.,                                       *\r
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
+ ***************************************************************************/\r
+#ifdef HAVE_CONFIG_H\r
+#include "config.h"\r
+#endif\r
+\r
+#include "replacements.h"\r
+\r
+#include "jtag.h"\r
+#include <usb.h>\r
+\r
+/* system includes */\r
+\r
+#include "log.h"\r
+\r
+#define VID 0x1781\r
+#define PID 0x0c63\r
+\r
+/* Pins at usbprog */\r
+#define TDO_BIT         0\r
+#define TDI_BIT         3\r
+#define TCK_BIT         2\r
+#define TMS_BIT         1\r
+\r
+int usbprog_execute_queue(void);\r
+int usbprog_speed(int speed);\r
+int usbprog_register_commands(struct command_context_s *cmd_ctx);\r
+int usbprog_init(void);\r
+int usbprog_quit(void);\r
+\r
+void usbprog_end_state(enum tap_state state);\r
+void usbprog_state_move(void);\r
+void usbprog_path_move(pathmove_command_t *cmd);\r
+void usbprog_runtest(int num_cycles);\r
+void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size);\r
+\r
+jtag_interface_t usbprog_interface =\r
+{\r
+       .name = "usbprog",\r
+       .execute_queue = usbprog_execute_queue,\r
+       .speed = usbprog_speed,\r
+       .register_commands = usbprog_register_commands,\r
+       .init = usbprog_init,\r
+       .quit = usbprog_quit\r
+};\r
+\r
+#define UNKOWN_COMMAND  0x00\r
+#define PORT_DIRECTION  0x01\r
+#define PORT_SET        0x02\r
+#define PORT_GET        0x03\r
+#define PORT_SETBIT     0x04\r
+#define PORT_GETBIT     0x05\r
+#define WRITE_TDI      0x06\r
+#define READ_TDO       0x07\r
+#define WRITE_AND_READ         0x08\r
+#define WRITE_TMS      0x09\r
+#define WRITE_TMS_CHAIN 0x0A\r
+\r
+struct usbprog_jtag\r
+{\r
+       struct usb_dev_handle* usb_handle;\r
+};\r
+\r
+struct usbprog_jtag * usbprog_jtag_handle;\r
+\r
+struct usbprog_jtag* usbprog_jtag_open();\r
+void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag);\r
+void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag);\r
+unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen);\r
+\r
+void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);\r
+void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);\r
+void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);\r
+void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan);\r
+\r
+char tms_chain[64];\r
+int tms_chain_index;\r
+void usbprog_jtag_tms_collect(char tms_scan);\r
+void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag);\r
+\r
+void usbprog_write(int tck, int tms, int tdi);\r
+void usbprog_reset(int trst, int srst);\r
+\r
+void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction);\r
+void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value);\r
+unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag);\r
+void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value);\r
+int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit);\r
+\r
+int usbprog_speed(int speed)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+int usbprog_register_commands(struct command_context_s *cmd_ctx)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+int usbprog_execute_queue(void)\r
+{\r
+       jtag_command_t *cmd = jtag_command_queue; /* currently processed command */\r
+       int scan_size;\r
+       enum scan_type type;\r
+       u8 *buffer;\r
+\r
+       while (cmd)\r
+       {\r
+               switch (cmd->type)\r
+               {\r
+                       case JTAG_END_STATE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("end_state: %i", cmd->cmd.end_state->end_state);\r
+#endif\r
+                               if (cmd->cmd.end_state->end_state != -1)\r
+                                       usbprog_end_state(cmd->cmd.end_state->end_state);\r
+                               break;\r
+                       case JTAG_RESET:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
+#endif\r
+                               if (cmd->cmd.reset->trst == 1)\r
+                               {\r
+                                       cur_state = TAP_TLR;\r
+                               }\r
+                               usbprog_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);\r
+                               break;\r
+                       case JTAG_RUNTEST:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);\r
+#endif\r
+                               if (cmd->cmd.runtest->end_state != -1)\r
+                                       usbprog_end_state(cmd->cmd.runtest->end_state);\r
+                               usbprog_runtest(cmd->cmd.runtest->num_cycles);\r
+                               break;\r
+                       case JTAG_STATEMOVE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);\r
+#endif\r
+                               if (cmd->cmd.statemove->end_state != -1)\r
+                                       usbprog_end_state(cmd->cmd.statemove->end_state);\r
+                               usbprog_state_move();\r
+                               break;\r
+                       case JTAG_PATHMOVE:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("pathmove: %i states, end in %i", cmd->cmd.pathmove->num_states,\r
+                                       cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);\r
+#endif\r
+                               usbprog_path_move(cmd->cmd.pathmove);\r
+                               break;\r
+                       case JTAG_SCAN:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("scan end in %i", cmd->cmd.scan->end_state);\r
+#endif\r
+                               if (cmd->cmd.scan->end_state != -1)\r
+                                       usbprog_end_state(cmd->cmd.scan->end_state);\r
+                               scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);\r
+                               type = jtag_scan_type(cmd->cmd.scan);\r
+                               usbprog_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);\r
+                               if (jtag_read_buffer(buffer, cmd->cmd.scan) != ERROR_OK)\r
+                                       return ERROR_JTAG_QUEUE_FAILED;\r
+                               if (buffer)\r
+                                       free(buffer);\r
+                               break;\r
+                       case JTAG_SLEEP:\r
+#ifdef _DEBUG_JTAG_IO_\r
+                               DEBUG("sleep %i", cmd->cmd.sleep->us);\r
+#endif\r
+                               jtag_sleep(cmd->cmd.sleep->us);\r
+                                       break;\r
+                       default:\r
+                               ERROR("BUG: unknown JTAG command type encountered");\r
+                               exit(-1);\r
+               }\r
+\r
+               cmd = cmd->next;\r
+       }\r
+\r
+       return ERROR_OK;\r
+}\r
+\r
+int usbprog_init(void)\r
+{\r
+       usbprog_jtag_handle = usbprog_jtag_open();\r
+\r
+       tms_chain_index = 0;\r
+       if (usbprog_jtag_handle == 0)\r
+       {\r
+               ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");\r
+               return ERROR_JTAG_INIT_FAILED;\r
+       }\r
+\r
+       INFO("USB JTAG Interface ready!");\r
+\r
+       usbprog_jtag_init(usbprog_jtag_handle);\r
+       usbprog_reset(0, 0);\r
+       usbprog_write(0, 0, 0);\r
+\r
+       return ERROR_OK;\r
+}\r
+\r
+int usbprog_quit(void)\r
+{\r
+       return ERROR_OK;\r
+}\r
+\r
+/*************** jtag execute commands **********************/\r
+void usbprog_end_state(enum tap_state state)\r
+{\r
+       if (tap_move_map[state] != -1)\r
+               end_state = state;\r
+       else\r
+       {\r
+               ERROR("BUG: %i is not a valid end state", state);\r
+               exit(-1);\r
+       }\r
+}\r
+\r
+void usbprog_state_move(void)\r
+{\r
+       int i = 0, tms = 0;\r
+       u8 tms_scan = TAP_MOVE(cur_state, end_state);\r
+\r
+       usbprog_jtag_write_tms(usbprog_jtag_handle, (char)tms_scan);\r
+       for (i = 0; i < 7; i++)\r
+       {\r
+               tms = (tms_scan >> i) & 1;\r
+       }\r
+\r
+       cur_state = end_state;\r
+}\r
+\r
+void usbprog_path_move(pathmove_command_t *cmd)\r
+{\r
+       int num_states = cmd->num_states;\r
+       int state_count;\r
+\r
+       state_count = 0;\r
+       while (num_states)\r
+       {\r
+               if (tap_transitions[cur_state].low == cmd->path[state_count])\r
+               {\r
+                       //INFO("1");\r
+                       usbprog_write(0, 0, 0);\r
+                       usbprog_write(1, 0, 0);\r
+               }\r
+               else if (tap_transitions[cur_state].high == cmd->path[state_count])\r
+               {\r
+                       //INFO("2");\r
+                       usbprog_write(0, 1, 0);\r
+                       usbprog_write(1, 1, 0);\r
+               }\r
+               else\r
+               {\r
+                       ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[cmd->path[state_count]]);\r
+                       exit(-1);\r
+               }\r
+\r
+               cur_state = cmd->path[state_count];\r
+               state_count++;\r
+               num_states--;\r
+       }\r
+\r
+       end_state = cur_state;\r
+}\r
+\r
+void usbprog_runtest(int num_cycles)\r
+{\r
+       int i;\r
+\r
+       /* only do a state_move when we're not already in RTI */\r
+       if (cur_state != TAP_RTI)\r
+       {\r
+               usbprog_end_state(TAP_RTI);\r
+               usbprog_state_move();\r
+       }\r
+\r
+       /* execute num_cycles */\r
+       if (num_cycles > 0)\r
+       {\r
+               usbprog_jtag_tms_send(usbprog_jtag_handle);\r
+               usbprog_write(0, 0, 0);\r
+       }\r
+       else\r
+       {\r
+               usbprog_jtag_tms_send(usbprog_jtag_handle);\r
+               //INFO("NUM CYCLES %i",num_cycles);\r
+       }\r
+\r
+       for (i = 0; i < num_cycles; i++)\r
+       {\r
+               usbprog_write(1, 0, 0);\r
+               usbprog_write(0, 0, 0);\r
+       }\r
+\r
+       /* finish in end_state */\r
+       /*\r
+       usbprog_end_state(saved_end_state);\r
+       if (cur_state != end_state)\r
+               usbprog_state_move();\r
+       */\r
+}\r
+\r
+void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)\r
+{\r
+       enum tap_state saved_end_state = end_state;\r
+\r
+       if (ir_scan)\r
+               usbprog_end_state(TAP_SI);\r
+       else\r
+               usbprog_end_state(TAP_SD);\r
+\r
+       //usbprog_jtag_tms_send(usbprog_jtag_handle);\r
+\r
+       usbprog_state_move();\r
+       usbprog_end_state(saved_end_state);\r
+\r
+       usbprog_jtag_tms_send(usbprog_jtag_handle);\r
+\r
+       if (type == SCAN_OUT)\r
+       {\r
+               usbprog_jtag_write_tdi(usbprog_jtag_handle,buffer, scan_size);\r
+       }\r
+       if (type == SCAN_IN)\r
+       {\r
+               usbprog_jtag_read_tdo(usbprog_jtag_handle,buffer, scan_size);\r
+       }\r
+       if (type == SCAN_IO)\r
+       {\r
+               usbprog_jtag_write_and_read(usbprog_jtag_handle,buffer, scan_size);\r
+       }\r
+\r
+       if (ir_scan)\r
+               cur_state = TAP_PI;\r
+       else\r
+               cur_state = TAP_PD;\r
+\r
+       if (cur_state != end_state)\r
+               usbprog_state_move();\r
+}\r
+\r
+/*************** jtag wrapper functions *********************/\r
+\r
+void usbprog_write(int tck, int tms, int tdi)\r
+{\r
+       unsigned char output_value=0x00;\r
+\r
+       if (tms)\r
+               output_value |= (1<<TMS_BIT);\r
+       if (tdi)\r
+               output_value |= (1<<TDI_BIT);\r
+       if (tck)\r
+               output_value |= (1<<TCK_BIT);\r
+\r
+       usbprog_jtag_write_slice(usbprog_jtag_handle,output_value);\r
+}\r
+\r
+/* (1) assert or (0) deassert reset lines */\r
+void usbprog_reset(int trst, int srst)\r
+{\r
+       DEBUG("trst: %i, srst: %i", trst, srst);\r
+\r
+       if (trst)\r
+               usbprog_jtag_set_bit(usbprog_jtag_handle, 5, 0);\r
+       else\r
+               usbprog_jtag_set_bit(usbprog_jtag_handle, 5, 1);\r
+\r
+       if (srst)\r
+               usbprog_jtag_set_bit(usbprog_jtag_handle, 4, 0);\r
+       else\r
+               usbprog_jtag_set_bit(usbprog_jtag_handle, 4, 1);\r
+}\r
+\r
+/*************** jtag lowlevel functions ********************/\r
+\r
+struct usb_bus *busses;\r
+\r
+struct usbprog_jtag* usbprog_jtag_open()\r
+{\r
+       struct usb_bus *bus;\r
+       struct usb_device *dev;\r
+\r
+       struct usbprog_jtag *tmp;\r
+\r
+       tmp = (struct usbprog_jtag*)malloc(sizeof(struct usbprog_jtag));\r
+\r
+       usb_set_debug(10);\r
+       usb_init();\r
+       usb_find_busses();\r
+       usb_find_devices();\r
+\r
+       busses = usb_get_busses();\r
+\r
+       /* find usbprog_jtag device in usb bus */\r
+\r
+       for (bus = busses; bus; bus = bus->next)\r
+       {\r
+               for (dev = bus->devices; dev; dev = dev->next)\r
+               {\r
+                       /* condition for sucessfully hit (too bad, I only check the vendor id)*/\r
+                       if (dev->descriptor.idVendor == VID && dev->descriptor.idProduct == PID)\r
+                       {\r
+                               tmp->usb_handle = usb_open(dev);\r
+                               usb_set_configuration(tmp->usb_handle, 1);\r
+                               usb_claim_interface(tmp->usb_handle, 0);\r
+                               usb_set_altinterface(tmp->usb_handle, 0);\r
+                               return tmp;\r
+                       }\r
+               }\r
+       }\r
+       return 0;\r
+}\r
+\r
+void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag)\r
+{\r
+       usb_close(usbprog_jtag->usb_handle);\r
+       free(usbprog_jtag);\r
+}\r
+\r
+unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen)\r
+{\r
+       int res = usb_bulk_write(usbprog_jtag->usb_handle, 3, msg,msglen, 100);\r
+       if ((msg[0] == 2) || (msg[0] == 1) || (msg[0] == 4) || (msg[0] == 0) || \\r
+                       (msg[0] == 6) || (msg[0] == 0x0A) || (msg[0] == 9))\r
+               return 1;\r
+       if (res == msglen)\r
+       {\r
+               //INFO("HALLLLOOO %i",(int)msg[0]);\r
+               res =  usb_bulk_read(usbprog_jtag->usb_handle, 0x82, msg, 2, 100);\r
+               if (res > 0)\r
+                       return (unsigned char)msg[1];\r
+               else\r
+                       return -1;\r
+       }\r
+       else\r
+               return -1;\r
+       return 0;\r
+}\r
+\r
+void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag)\r
+{\r
+       usbprog_jtag_set_direction(usbprog_jtag, 0xFE);\r
+}\r
+\r
+void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)\r
+{\r
+       char tmp[64];   /* fastes packet size for usb controller */\r
+       int send_bits, bufindex = 0, fillindex = 0, i, loops;\r
+\r
+       char swap;\r
+       /* 61 byte can be transfered (488 bit) */\r
+\r
+       while (size > 0)\r
+       {\r
+               if (size > 488)\r
+               {\r
+                       send_bits = 488;\r
+                       size = size - 488;\r
+                       loops = 61;\r
+               }\r
+               else\r
+               {\r
+                       send_bits = size;\r
+                       loops = size / 8;\r
+                       loops++;\r
+                       size = 0;\r
+               }\r
+               tmp[0] = WRITE_AND_READ;\r
+               tmp[1] = (char)(send_bits >> 8);        /* high */\r
+               tmp[2] = (char)(send_bits);                     /* low */\r
+               i = 0;\r
+\r
+               for (i = 0; i < loops; i++)\r
+               {\r
+                       tmp[3 + i] = buffer[bufindex];\r
+                       bufindex++;\r
+               }\r
+\r
+               if (usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000) == 64)\r
+               {\r
+                       //INFO("HALLLLOOO2 %i",(int)tmp[0]);\r
+                       usleep(1);\r
+                       int timeout = 0;\r
+                       while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 1000) < 1)\r
+                       {\r
+                               timeout++;\r
+                               if (timeout > 10)\r
+                                       break;\r
+                       }\r
+\r
+                       for (i = 0; i < loops; i++)\r
+                       {\r
+                               swap =  tmp[3 + i];\r
+                               buffer[fillindex++] = swap;\r
+                       }\r
+               }\r
+       }\r
+}\r
+\r
+void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)\r
+{\r
+       char tmp[64];   /* fastes packet size for usb controller */\r
+       int send_bits, fillindex = 0, i, loops;\r
+\r
+       char swap;\r
+       /* 61 byte can be transfered (488 bit) */\r
+\r
+       while (size > 0)\r
+       {\r
+               if (size > 488)\r
+               {\r
+                       send_bits = 488;\r
+                       size = size - 488;\r
+                       loops = 61;\r
+               }\r
+               else\r
+               {\r
+                       send_bits = size;\r
+                       loops = size / 8;\r
+                       loops++;\r
+                       size = 0;\r
+               }\r
+               tmp[0] = WRITE_AND_READ;\r
+               tmp[1] = (char)(send_bits >> 8);        /* high */\r
+               tmp[2] = (char)(send_bits);                     /* low */\r
+\r
+               usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 3, 1000);\r
+\r
+               //INFO("HALLLLOOO3 %i",(int)tmp[0]);\r
+               int timeout = 0;\r
+               usleep(1);\r
+               while (usb_bulk_read(usbprog_jtag->usb_handle, 0x82, tmp, 64, 10) < 1)\r
+               {\r
+                       timeout++;\r
+                       if (timeout > 10)\r
+                               break;\r
+               }\r
+\r
+               for (i = 0; i < loops; i++)\r
+               {\r
+                       swap = tmp[3 + i];\r
+                       buffer[fillindex++] = swap;\r
+               }\r
+       }\r
+}\r
+\r
+void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size)\r
+{\r
+       char tmp[64];   /* fastes packet size for usb controller */\r
+       int send_bits, bufindex = 0, i, loops;\r
+\r
+       /* 61 byte can be transfered (488 bit) */\r
+       while (size > 0)\r
+       {\r
+               if (size > 488)\r
+               {\r
+                       send_bits = 488;\r
+                       size = size - 488;\r
+                       loops = 61;\r
+               }\r
+               else\r
+               {\r
+                       send_bits = size;\r
+                       loops = size/8;\r
+                       //if(loops==0)\r
+                       loops++;\r
+                       size = 0;\r
+               }\r
+               tmp[0] = WRITE_TDI;\r
+               tmp[1] = (char)(send_bits >> 8);        /* high */\r
+               tmp[2] = (char)(send_bits);                     /* low */\r
+               i = 0;\r
+\r
+               for (i = 0; i < loops; i++)\r
+               {\r
+                       tmp[3 + i] = buffer[bufindex];\r
+                       bufindex++;\r
+               }\r
+               usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000);\r
+       }\r
+}\r
+\r
+void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan)\r
+{\r
+       usbprog_jtag_tms_collect(tms_scan);\r
+}\r
+\r
+void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction)\r
+{\r
+       char tmp[2];\r
+       tmp[0] = PORT_DIRECTION;\r
+       tmp[1] = (char)direction;\r
+       usbprog_jtag_message(usbprog_jtag, tmp, 2);\r
+}\r
+\r
+void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value)\r
+{\r
+       char tmp[2];\r
+       tmp[0] = PORT_SET;\r
+       tmp[1] = (char)value;\r
+       usbprog_jtag_message(usbprog_jtag, tmp, 2);\r
+}\r
+\r
+unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag)\r
+{\r
+       char tmp[2];\r
+       tmp[0] = PORT_GET;\r
+       tmp[1] = 0x00;\r
+       return usbprog_jtag_message(usbprog_jtag, tmp, 2);\r
+}\r
+\r
+void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value)\r
+{\r
+       char tmp[3];\r
+       tmp[0] = PORT_SETBIT;\r
+       tmp[1] = (char)bit;\r
+       if (value == 1)\r
+               tmp[2] = 0x01;\r
+       else\r
+               tmp[2] = 0x00;\r
+       usbprog_jtag_message(usbprog_jtag, tmp, 3);\r
+}\r
+\r
+int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit)\r
+{\r
+       char tmp[2];\r
+       tmp[0] = PORT_GETBIT;\r
+       tmp[1] = (char)bit;\r
+\r
+       if (usbprog_jtag_message(usbprog_jtag, tmp, 2) > 0)\r
+               return 1;\r
+       else\r
+               return 0;\r
+}\r
+\r
+void usbprog_jtag_tms_collect(char tms_scan)\r
+{\r
+       tms_chain[tms_chain_index] = tms_scan;\r
+       tms_chain_index++;\r
+}\r
+\r
+void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag)\r
+{\r
+       int i;\r
+       //INFO("TMS SEND");\r
+       if (tms_chain_index > 0)\r
+       {\r
+               char tmp[tms_chain_index + 2];\r
+               tmp[0] = WRITE_TMS_CHAIN;\r
+               tmp[1] = (char)(tms_chain_index);\r
+               for (i = 0; i < tms_chain_index + 1; i++)\r
+                       tmp[2 + i] = tms_chain[i];\r
+               usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, tms_chain_index + 2, 1000);\r
+               tms_chain_index = 0;\r
+       }\r
+}\r