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;
}
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);
+ 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;
+ 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])
- {
+ 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])
- {
+ 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;
+ 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;
+ /*
+ 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();
- }
+ if (cur_state != TAP_RTI)
+ {
+ usbprog_end_state(TAP_RTI);
+ usbprog_state_move();
+ }
- /* execute num_cycles */
+ /* execute num_cycles */
if(num_cycles>0)
{
usbprog_write(0, 0, 0);
usbprog_jtag_tms_send(usbprog_jtag_handle);
}
- for (i = 0; i < num_cycles; i++)
- {
- usbprog_write(1, 0, 0);
- usbprog_write(0, 0, 0);
- }
+ for (i = 0; i < num_cycles; i++)
+ {
+ 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();
- */
+ */
}
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;
+ enum tap_state saved_end_state = end_state;
- if (ir_scan)
- usbprog_end_state(TAP_SI);
- else
- usbprog_end_state(TAP_SD);
+ if (ir_scan)
+ usbprog_end_state(TAP_SI);
+ else
+ usbprog_end_state(TAP_SD);
- usbprog_state_move();
- usbprog_end_state(saved_end_state);
+ 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 (type == SCAN_OUT) {
+ usbprog_jtag_write_tdi(usbprog_jtag_handle, (char*)buffer, scan_size);
+ }
+ if (type == SCAN_IN) {
+ usbprog_jtag_read_tdo(usbprog_jtag_handle, (char*)buffer, scan_size);
+ }
+ if (type == SCAN_IO) {
+ usbprog_jtag_write_and_read(usbprog_jtag_handle, (char*)buffer, scan_size);
+ }
+
+ if (ir_scan)
+ cur_state = TAP_PI;
+ else
+ cur_state = TAP_PD;
- if (cur_state != end_state)
- usbprog_state_move();
+ 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;
+ 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);
+ 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);
+ 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);
+ 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(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);
+ if(srst)
+ usbprog_jtag_set_bit(usbprog_jtag_handle,4,0);
+ else
+ usbprog_jtag_set_bit(usbprog_jtag_handle,4,1);
}
struct usbprog_jtag* usbprog_jtag_open()
{
struct usb_bus *busses;
- struct usb_dev_handle* usb_handle;
struct usb_bus *bus;
struct usb_device *dev;
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;
+ 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;
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++) {
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;
+ 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;
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++) {
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)
+ 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;
} 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
+ tmp[1] = (char)(send_bits>>8); /* high */
+ tmp[2] = (char)(send_bits); /* low */
i=0;
for(i=0;i < loops ;i++) {
Code Review / openocd.git / blobdiff