/***************************************************************************
- * 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 *
+ * 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 *
#include "log.h"
#define VID 0x1781
-#define PID 0x0c62
+#define PID 0x0c63
-// Pins at usbprog
+/* Pins at usbprog */
#define TDO_BIT 0
#define TDI_BIT 3
#define TCK_BIT 2
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);
{
.name = "usbprog",
.execute_queue = usbprog_execute_queue,
- .support_pathmove = 0,
.speed = usbprog_speed,
.register_commands = usbprog_register_commands,
.init = usbprog_init,
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);
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);
+ 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;
+ 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);
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]);
+ cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]);
#endif
usbprog_path_move(cmd->cmd.pathmove);
break;
DEBUG("sleep %i", cmd->cmd.sleep->us);
#endif
jtag_sleep(cmd->cmd.sleep->us);
- break;
+ 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){
+
+ 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;
}
}
}
-
-void usbprog_state_move(void) {
-
- int i=0, tms=0;
+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);
+
+ 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");
+ //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");
+ //INFO("2");
usbprog_write(0, 1, 0);
usbprog_write(1, 1, 0);
}
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;
-
- /*
- 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();
}
-
+
/* execute num_cycles */
- if(num_cycles>0)
+ if (num_cycles > 0)
{
+ usbprog_jtag_tms_send(usbprog_jtag_handle);
usbprog_write(0, 0, 0);
}
- else {
+ 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();
- */
+ 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, (char*)buffer, scan_size);
+
+ 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, (char*)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, (char*)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();
}
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);
}
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);
+
+ 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);
+ 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);
+ 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_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();
-
+
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){
+
+ 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)
+ 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) {
- res = usb_bulk_read(usbprog_jtag->usb_handle,0x82, msg, 2, 100);
+ 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
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) {
+
+ 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;
-
- for(i=0;i < loops ;i++) {
- tmp[3+i]=buffer[bufindex];
+ 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);
-
- 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
char swap;
// 61 byte can be transfered (488 bit)
-
- while(size > 0) {
- if(size > 488) {
+
+ 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);
+ 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];
+ 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 */
+ 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) {
+ // 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;
-
- for(i=0;i < loops ;i++) {
- tmp[3+i]=buffer[bufindex];
+ 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);
+ 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);
+ 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)
char tmp[2];
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;
+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){
+void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag)
+{
int i;
- if(tms_chain_index>0) {
- char tmp[tms_chain_index+2];
+ //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;
+ 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