#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 0x0c63
#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);
+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);
-void usbprog_end_state(tap_state_t 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);
+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, uint8_t *buffer, int scan_size);
jtag_interface_t usbprog_interface =
{
struct usb_dev_handle* usb_handle;
};
-struct usbprog_jtag * usbprog_jtag_handle;
+static struct usbprog_jtag * usbprog_jtag_handle;
+
+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);
-struct usbprog_jtag* usbprog_jtag_open(void);
-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 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;
enum scan_type type;
- u8 *buffer;
+ uint8_t *buffer;
while (cmd)
{
switch (cmd->type)
{
- case JTAG_END_STATE:
-#ifdef _DEBUG_JTAG_IO_
- LOG_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_
LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#ifdef _DEBUG_JTAG_IO_
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_
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_
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);
return ERROR_OK;
}
-int usbprog_init(void)
+static int usbprog_init(void)
{
usbprog_jtag_handle = usbprog_jtag_open();
return ERROR_OK;
}
-int usbprog_quit(void)
+static int usbprog_quit(void)
{
return ERROR_OK;
}
/*************** jtag execute commands **********************/
-void usbprog_end_state(tap_state_t state)
+static void usbprog_end_state(tap_state_t state)
{
if (tap_is_state_stable(state))
tap_set_end_state(state);
}
}
-void usbprog_state_move(void)
+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());
+ uint8_t 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());
usbprog_jtag_write_tms(usbprog_jtag_handle, (char)tms_scan);
- for (i = 0; i < 7; i++)
+ for (i = 0; i < tms_count; i++)
{
tms = (tms_scan >> i) & 1;
}
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_state_transition(tap_get_state(), FALSE) == cmd->path[state_count])
+ if (tap_state_transition(tap_get_state(), false) == cmd->path[state_count])
{
/* LOG_INFO("1"); */
usbprog_write(0, 0, 0);
usbprog_write(1, 0, 0);
}
- else if (tap_state_transition(tap_get_state(), TRUE) == cmd->path[state_count])
+ else if (tap_state_transition(tap_get_state(), true) == cmd->path[state_count])
{
/* LOG_INFO("2"); */
usbprog_write(0, 1, 0);
tap_set_end_state(tap_get_state());
}
-void usbprog_runtest(int num_cycles)
+static void usbprog_runtest(int num_cycles)
{
int i;
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);
*/
}
-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, uint8_t *buffer, int scan_size)
{
tap_state_t saved_end_state = tap_get_end_state();
else
usbprog_end_state(TAP_DRSHIFT);
- /* usbprog_jtag_tms_send(usbprog_jtag_handle); */
+ /* 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,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);
+ 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)
tap_set_state(TAP_IRPAUSE);
else
/*************** 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;
}
/* (1) assert or (0) deassert reset lines */
-void usbprog_reset(int trst, int srst)
+static void usbprog_reset(int trst, int srst)
{
LOG_DEBUG("trst: %i, srst: %i", trst, srst);
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) || (msg[0] == 1) || (msg[0] == 4) || (msg[0] == 0) || \
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 */
int send_bits, bufindex = 0, fillindex = 0, i, loops;
}
}
-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 */
int send_bits, fillindex = 0, i, loops;
}
}
-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;
{
send_bits = size;
loops = size/8;
- /* if(loops==0) */
+ /* if (loops==0) */
loops++;
size = 0;
}
}
}
-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;
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;
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);
}
+#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;
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;
else
return 0;
}
+#endif
-void usbprog_jtag_tms_collect(char 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;
/* LOG_INFO("TMS SEND"); */
projects / fw / openocd / blobdiff