/***************************************************************************
- * Copyright (C) 2007 by Benedikt Sauter sauter@ixbat.de *
- * based on Dominic Rath's usbprog.c *
+ * Copyright (C) 2007 by Benedikt Sauter *
+ * sauter@ixbat.de *
* *
* 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 *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+
+/*
+ * This file is 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
+ */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "log.h"
#define VID 0x1781
-#define PID 0x0c62
+#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_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 =
+jtag_interface_t usbprog_interface =
{
.name = "usbprog",
-
.execute_queue = usbprog_execute_queue,
-
- .support_pathmove = 0,
-
- .speed = usbprog_speed,
+ .speed = usbprog_speed,
.register_commands = usbprog_register_commands,
.init = usbprog_init,
.quit = usbprog_quit
};
-// pins from avr
-#define TDO_BIT 0
-#define TDI_BIT 3
-#define TCK_BIT 2
-#define TMS_BIT 1
-
#define UNKOWN_COMMAND 0x00
#define PORT_DIRECTION 0x01
#define PORT_SET 0x02
#define READ_TDO 0x07
#define WRITE_AND_READ 0x08
#define WRITE_TMS 0x09
+#define WRITE_TMS_CHAIN 0x0A
-struct usbprog_jtag
+struct usbprog_jtag
{
struct usb_dev_handle* usb_handle;
};
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);
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:
+ 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);
+ 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:
+ 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);
+ 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:
+ 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);
+ 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:
+ 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);
+ 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:
+ 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]);
+ 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:
+ usbprog_path_move(cmd->cmd.pathmove);
+ break;
+ case JTAG_SCAN:
#ifdef _DEBUG_JTAG_IO_
- DEBUG("scan end in %i", cmd->cmd.scan->end_state);
+ 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:
+ 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);
+ 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;
-}
+ 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();
- if(usbprog_jtag_handle==0){
+ 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);
int usbprog_quit(void)
{
-
return ERROR_OK;
}
}
}
+void usbprog_state_move(void)
+{
+ int i = 0, tms = 0;
+ u8 tms_scan = TAP_MOVE(cur_state, end_state);
-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;
- }
-
- // moved into firmware
- // INFO("4");
- // koennte man in tms verlagern
- //usbprog_write(0, tms, 0);
+ 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;
+ 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;
-}
+ 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;
+ int i;
- enum tap_state saved_end_state = end_state;
+ /* 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();
+ }
- /* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_RTI)
- {
- usbprog_end_state(TAP_RTI);
- //INFO("6");
- 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); */
+ }
- /* execute num_cycles */
- if(num_cycles>0)
+ for (i = 0; i < num_cycles; i++)
{
- INFO("5");
+ usbprog_write(1, 0, 0);
usbprog_write(0, 0, 0);
}
- for (i = 0; i < num_cycles; i++)
- {
- INFO("3");
- usbprog_write(1, 0, 0);
- usbprog_write(0, 0, 0);
- }
-
- /* finish in end_state */
+
+ /* finish in end_state */
/*
- usbprog_end_state(saved_end_state);
- if (cur_state != end_state)
- usbprog_state_move();
+ 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;
- int bit_cnt;
-
- if (ir_scan)
- usbprog_end_state(TAP_SI);
- else
- usbprog_end_state(TAP_SD);
-
- //INFO("7");
- usbprog_state_move();
- usbprog_end_state(saved_end_state);
-
- 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();
+ 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)
{
- //INFO("->USBPROG SLICE");
- //DEBUG("slice tck %i tms %i tdi %i",tck,tms,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);
+ 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)
{
- //INFO("->USBPROG RESET");
- 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);
-}
+ 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 *busses;
- struct usb_dev_handle* usb_handle;
struct usb_bus *bus;
struct usb_device *dev;
- struct usbprog_jtag * tmp;
+ 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();
/* find usbprog_jtag device in usb bus */
- for (bus = busses; bus; bus = bus->next){
- for (dev = bus->devices; dev; dev = dev->next){
+ 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) {
+ if (dev->descriptor.idVendor == VID && dev->descriptor.idProduct == PID)
+ {
tmp->usb_handle = usb_open(dev);
- usb_set_configuration (tmp->usb_handle,dev->config[0].bConfigurationValue);
+ usb_set_configuration(tmp->usb_handle, 1);
usb_claim_interface(tmp->usb_handle, 0);
- usb_set_altinterface(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)
- return 1;
- if(res == msglen) {
- res = usb_bulk_read(usbprog_jtag->usb_handle,0x82, msg, 2, 100);
+ 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
+ else
return -1;
}
else
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,j,complete=size,loops;
+ 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) {
+ /* 61 byte can be transfered (488 bit) */
+
+ while (size > 0)
+ {
+ if (size > 488)
+ {
send_bits = 488;
size = size - 488;
loops = 61;
- } else {
+ }
+ else
+ {
send_bits = size;
- loops = size/8;
+ 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;
+ 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];
+ for (i = 0; i < loops; i++)
+ {
+ tmp[3 + i] = buffer[bufindex];
bufindex++;
}
-
- usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,64,1000);
-
- while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 1000) < 1);
- for(i=0;i<loops ;i++) {
- swap = tmp[3+i];
- buffer[fillindex++] = swap;
- }
+ 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,bufindex=0,fillindex=0,i,j,complete=size,loops;
+ 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) {
+ /* 61 byte can be transfered (488 bit) */
+
+ while (size > 0)
+ {
+ if (size > 488)
+ {
send_bits = 488;
size = size - 488;
loops = 61;
- } else {
+ }
+ else
+ {
send_bits = size;
- loops = size/8;
+ 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);
-
- while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 10) < 1);
-
- for(i=0;i<loops ;i++) {
- swap = tmp[3+i];
+ 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,fillindex=0,i,j,complete=size,loops;
- char swap;
- // 61 byte can be transfered (488 bit)
- while(size > 0) {
- if(size > 488) {
+ 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 {
+ }
+ else
+ {
send_bits = size;
loops = size/8;
- //if(loops==0)
+ /* 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;
+ 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];
+ for (i = 0; i < loops; i++)
+ {
+ tmp[3 + i] = buffer[bufindex];
bufindex++;
}
- usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,64,1000);
+ usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000);
}
}
-
void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan)
{
- char tmp[2]; // fastes packet size for usb controller
- tmp[0] = WRITE_TMS;
- tmp[1] = tms_scan;
- usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,2,1000);
+ 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);
+ 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);
+ 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);
+ 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)
+ if (value == 1)
tmp[2] = 0x01;
else
tmp[2] = 0x00;
- usbprog_jtag_message(usbprog_jtag,tmp,3);
+ usbprog_jtag_message(usbprog_jtag, tmp, 3);
}
int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit)
tmp[0] = PORT_GETBIT;
tmp[1] = (char)bit;
- if(usbprog_jtag_message(usbprog_jtag,tmp,2)>0)
+ 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;
+ }
+}
Code Review / openocd.git / blobdiff