David Brownell <david-b@pacbell.net>:
[fw/openocd] / src / jtag / usbprog.c
index 4c39a8ff4ddb231e73d2e69d28e039c3ee2e65a3..487e9b1611d83e1fd7911e947bd493b398838a47 100644 (file)
@@ -1,14 +1,6 @@
 /***************************************************************************
- *   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                                                       *
  *                                                                         *
  *   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  *
  *   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 "replacements.h"
+#include "interface.h"
+#include "commands.h"
 
-#include "jtag.h"
 #include <usb.h>
 
-/* system includes */
-
-#include "log.h"
 
 #define VID 0x1781
-#define PID 0x0c62
-
-// 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 = 
+#define PID 0x0c63
+
+/* Pins at usbprog */
+#define TDO_BIT                        0
+#define TDI_BIT                        3
+#define TCK_BIT                        2
+#define TMS_BIT                        1
+
+static int usbprog_execute_queue(void);
+static int usbprog_speed(int speed);
+static int usbprog_register_commands(struct command_context_s *cmd_ctx);
+static int usbprog_init(void);
+static int usbprog_quit(void);
+
+static void usbprog_end_state(tap_state_t state);
+static void usbprog_state_move(void);
+static void usbprog_path_move(pathmove_command_t *cmd);
+static void usbprog_runtest(int num_cycles);
+static void usbprog_scan(bool ir_scan, enum scan_type type, u8 *buffer, int scan_size);
+
+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
 };
 
-#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 
+#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;
+static 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);
+static struct usbprog_jtag* usbprog_jtag_open(void);
+//static void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag);
+static void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag);
+static unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen);
 
+static void usbprog_jtag_read_tdo(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
+static void usbprog_jtag_write_tdi(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
+static void usbprog_jtag_write_and_read(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
+static void usbprog_jtag_write_tms(struct usbprog_jtag *usbprog_jtag, char tms_scan);
 
-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);
+static char tms_chain[64];
+static int tms_chain_index;
 
-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);
+static void usbprog_jtag_tms_collect(char tms_scan);
+static 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);
+static void usbprog_write(int tck, int tms, int tdi);
+static 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);
+static void usbprog_jtag_set_direction(struct usbprog_jtag *usbprog_jtag, unsigned char direction);
+static void usbprog_jtag_write_slice(struct usbprog_jtag *usbprog_jtag,unsigned char value);
+//static unsigned char usbprog_jtag_get_port(struct usbprog_jtag *usbprog_jtag);
+static void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value);
+//static int usbprog_jtag_get_bit(struct usbprog_jtag *usbprog_jtag, int bit);
 
-int usbprog_speed(int speed)
+static int usbprog_speed(int speed)
 {
        return ERROR_OK;
 }
 
-int usbprog_register_commands(struct command_context_s *cmd_ctx)
+static int usbprog_register_commands(struct command_context_s *cmd_ctx)
 {
        return ERROR_OK;
 }
 
-
-int usbprog_execute_queue(void)
+static int usbprog_execute_queue(void)
 {
        jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
        int scan_size;
@@ -138,52 +136,42 @@ int usbprog_execute_queue(void)
        {
                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);
+                               LOG_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;
+                                       tap_set_state(TAP_RESET);
                                }
                                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);
+                               LOG_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_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);
+                               LOG_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_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]);
+                               LOG_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);
+                               LOG_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);
+                               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);
@@ -194,32 +182,33 @@ break;
                                break;
                        case JTAG_SLEEP:
 #ifdef _DEBUG_JTAG_IO_
-                               DEBUG("sleep %i", cmd->cmd.sleep->us);
+                               LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
 #endif
                                jtag_sleep(cmd->cmd.sleep->us);
-                               break;
+                                       break;
                        default:
-                               ERROR("BUG: unknown JTAG command type encountered");
+                               LOG_ERROR("BUG: unknown JTAG command type encountered");
                                exit(-1);
                }
+
                cmd = cmd->next;
        }
 
        return ERROR_OK;
 }
 
-
-int usbprog_init(void)
+static 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.");
+       tms_chain_index = 0;
+       if (usbprog_jtag_handle == 0)
+       {
+               LOG_ERROR("Can't find USB JTAG Interface! Please check connection and permissions.");
                return ERROR_JTAG_INIT_FAILED;
        }
 
-       INFO("USB JTAG Interface ready!");
+       LOG_INFO("USB JTAG Interface ready!");
 
        usbprog_jtag_init(usbprog_jtag_handle);
        usbprog_reset(0, 0);
@@ -228,97 +217,97 @@ int usbprog_init(void)
        return ERROR_OK;
 }
 
-int usbprog_quit(void)
+static int usbprog_quit(void)
 {
-
        return ERROR_OK;
 }
 
 /*************** jtag execute commands **********************/
-void usbprog_end_state(enum tap_state state)
+static void usbprog_end_state(tap_state_t state)
 {
-       if (tap_move_map[state] != -1)
-               end_state = state;
+       if (tap_is_state_stable(state))
+               tap_set_end_state(state);
        else
        {
-               ERROR("BUG: %i is not a valid end state", state);
+               LOG_ERROR("BUG: %i is not a valid end state", state);
                exit(-1);
        }
 }
 
+static void usbprog_state_move(void)
+{
+       int i = 0, tms = 0;
+       u8 tms_scan = tap_get_tms_path(tap_get_state(), tap_get_end_state());
+       int tms_count = tap_get_tms_path_len(tap_get_state(), tap_get_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++)
+       usbprog_jtag_write_tms(usbprog_jtag_handle, (char)tms_scan);
+       for (i = 0; i < tms_count; i++)
        {
                tms = (tms_scan >> i) & 1;
        }
 
-       cur_state = end_state;
+       tap_set_state(tap_get_end_state());
 }
 
-
-void usbprog_path_move(pathmove_command_t *cmd)
+static void usbprog_path_move(pathmove_command_t *cmd)
 {
        int num_states = cmd->num_states;
        int state_count;
 
+       /* There may be queued transitions, and before following a specified
+          path, we must flush those queued transitions */
+       usbprog_jtag_tms_send(usbprog_jtag_handle);
+
        state_count = 0;
        while (num_states)
        {
-               if (tap_transitions[cur_state].low == cmd->path[state_count])
+               if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count])
                {
-                       INFO("1");
+                       /* LOG_INFO("1"); */
                        usbprog_write(0, 0, 0);
                        usbprog_write(1, 0, 0);
                }
-               else if (tap_transitions[cur_state].high == cmd->path[state_count])
+               else if (tap_state_transition(tap_get_state(), true) == cmd->path[state_count])
                {
-                       INFO("2");
+                       /* LOG_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]]);
+                       LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(tap_get_state()), tap_state_name(cmd->path[state_count]));
                        exit(-1);
                }
 
-               cur_state = cmd->path[state_count];
+               tap_set_state(cmd->path[state_count]);
                state_count++;
                num_states--;
        }
 
-       end_state = cur_state;
+       tap_set_end_state(tap_get_state());
 }
 
-
-void usbprog_runtest(int num_cycles)
+static 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)
+       /* only do a state_move when we're not already in IDLE */
+       if (tap_get_state() != TAP_IDLE)
        {
-               usbprog_end_state(TAP_RTI);
+               usbprog_end_state(TAP_IDLE);
                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);
+               /* LOG_INFO("NUM CYCLES %i",num_cycles); */
        }
 
        for (i = 0; i < num_cycles; i++)
@@ -327,52 +316,59 @@ void usbprog_runtest(int num_cycles)
                usbprog_write(0, 0, 0);
        }
 
+#ifdef _DEBUG_JTAG_IO_
+       LOG_DEBUG("runtest: cur_state %s end_state %s", tap_state_name(tap_get_state()), tap_state_name(tap_get_end_state()));
+#endif
+
        /* 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 (tap_get_state() != tap_get_end_state())
+               usbprog_state_move();
+       */
 }
 
-
-
-void usbprog_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
+static void usbprog_scan(bool ir_scan, enum scan_type type, u8 *buffer, int scan_size)
 {
-       enum tap_state saved_end_state = end_state;
+       tap_state_t saved_end_state = tap_get_end_state();
 
        if (ir_scan)
-               usbprog_end_state(TAP_SI);
+               usbprog_end_state(TAP_IRSHIFT);
        else
-               usbprog_end_state(TAP_SD);
+               usbprog_end_state(TAP_DRSHIFT);
+
+       /* Only move if we're not already there */
+       if (tap_get_state() != tap_get_end_state())
+               usbprog_state_move();
 
-       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_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);
+       void (*f)(struct usbprog_jtag *usbprog_jtag, char * buffer, int size);
+       switch (type) {
+       case SCAN_OUT: f = &usbprog_jtag_write_tdi; break;
+       case SCAN_IN: f = &usbprog_jtag_read_tdo; break;
+       case SCAN_IO: f = &usbprog_jtag_write_and_read; break;
+       default:
+               LOG_ERROR("unknown scan type: %i", type);
+               exit(-1);
        }
+       f(usbprog_jtag_handle, (char *)buffer, scan_size);
 
+       /* The adapter does the transition to PAUSE internally */
        if (ir_scan)
-               cur_state = TAP_PI;
+               tap_set_state(TAP_IRPAUSE);
        else
-               cur_state = TAP_PD;
+               tap_set_state(TAP_DRPAUSE);
 
-       if (cur_state != end_state)
+       if (tap_get_state() != tap_get_end_state())
                usbprog_state_move();
 }
 
 /*************** jtag wrapper functions *********************/
 
-void usbprog_write(int tck, int tms, int tdi)
+static void usbprog_write(int tck, int tms, int tdi)
 {
        unsigned char output_value=0x00;
 
@@ -387,37 +383,35 @@ void usbprog_write(int tck, int tms, int tdi)
 }
 
 /* (1) assert or (0) deassert reset lines */
-void usbprog_reset(int trst, int srst)
+static void usbprog_reset(int trst, int srst)
 {
-       DEBUG("trst: %i, srst: %i", trst, srst);
+       LOG_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);
+               usbprog_jtag_set_bit(usbprog_jtag_handle, 5, 1);
 
-       if(srst)
-               usbprog_jtag_set_bit(usbprog_jtag_handle,4,0);
+       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 usbprog_jtag* usbprog_jtag_open(void)
 {
-       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();
@@ -426,39 +420,45 @@ struct usbprog_jtag* usbprog_jtag_open()
 
        /* 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)
+#if 0
+static void usbprog_jtag_close(struct usbprog_jtag *usbprog_jtag)
 {
        usb_close(usbprog_jtag->usb_handle);
        free(usbprog_jtag);
 }
+#endif
 
-
-unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg, int msglen)
+static 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)
+       {
+               /* LOG_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
@@ -466,189 +466,224 @@ unsigned char usbprog_jtag_message(struct usbprog_jtag *usbprog_jtag, char *msg,
        return 0;
 }
 
-void usbprog_jtag_init(struct usbprog_jtag *usbprog_jtag)
+static 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)
+static void usbprog_jtag_write_and_read(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, fillindex = 0, i, loops;
 
        char swap;
-       // 61 byte can be transfered (488 bit)
+       /* 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; 
+               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);
+               if (usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 64, 1000) == 64)
+               {
+                       /* LOG_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;
-               } 
+                       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)
+static void usbprog_jtag_read_tdo(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, fillindex = 0, i, loops;
 
        char swap;
-       // 61 byte can be transfered (488 bit)
+       /* 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
+               tmp[1] = (char)(send_bits >> 8);        /* high */
+               tmp[2] = (char)(send_bits);                     /* low */
 
-               usb_bulk_write(usbprog_jtag->usb_handle,3,tmp,3,1000);
+               usb_bulk_write(usbprog_jtag->usb_handle, 3, tmp, 3, 1000);
 
-               while(usb_bulk_read(usbprog_jtag->usb_handle,0x82, tmp, 64, 10) < 1);
+               /* LOG_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)
+static 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) {
+       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)
+static 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)
+static 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)
+static 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)
+#if 0
+static 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);
 }
+#endif
 
-
-void usbprog_jtag_set_bit(struct usbprog_jtag *usbprog_jtag,int bit, int value)
+static 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)
+#if 0
+static 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;
 }
+#endif
 
-void usbprog_jtag_tms_collect(char tms_scan){
-       tms_chain[tms_chain_index]=tms_scan;
+static 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){
+static void usbprog_jtag_tms_send(struct usbprog_jtag *usbprog_jtag)
+{
        int i;
-       if(tms_chain_index>0) {
-               char tmp[tms_chain_index+2];
+       /* LOG_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;
        }
 }
-