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-rw-r--r--src/flash/at91sam7.h200
-rw-r--r--src/jtag/bitq.c732
-rw-r--r--src/jtag/usbprog.c1363
3 files changed, 1147 insertions, 1148 deletions
diff --git a/src/flash/at91sam7.h b/src/flash/at91sam7.h
index 43961d5e..4ef154c9 100644
--- a/src/flash/at91sam7.h
+++ b/src/flash/at91sam7.h
@@ -1,100 +1,100 @@
-/***************************************************************************
- * 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 */
+/***************************************************************************
+ * 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 */
diff --git a/src/jtag/bitq.c b/src/jtag/bitq.c
index dd9acdf3..4e53bc55 100644
--- a/src/jtag/bitq.c
+++ b/src/jtag/bitq.c
@@ -1,366 +1,366 @@
-/***************************************************************************
- * 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;
- }
-}
+/***************************************************************************
+ * 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;
+ }
+}
diff --git a/src/jtag/usbprog.c b/src/jtag/usbprog.c
index ab4fe77a..2ff785ab 100644
--- a/src/jtag/usbprog.c
+++ b/src/jtag/usbprog.c
@@ -1,682 +1,681 @@
-/***************************************************************************
- * 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;
- }
-}
+/***************************************************************************
+ * 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;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 06:53:39 +0000