openocd/src/jtag/minidummy/minidummy.c

185 lines
4.1 KiB
C

/***************************************************************************
* Copyright (C) 2007-2008 by Øyvind Harboe *
* *
* 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 *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "embeddedice.h"
#include "minidriver.h"
#include "interface.h"
jtag_interface_t minidummy_interface =
{
.name = "minidummy",
.execute_queue = NULL,
.speed = NULL,
.register_commands = NULL,
.init = NULL,
.quit = NULL,
.khz = NULL,
.speed_div = NULL,
.power_dropout = NULL,
.srst_asserted = NULL,
};
int interface_jtag_execute_queue(void)
{
/* synchronously do the operation here */
return ERROR_OK;
}
extern int jtag_check_value(uint8_t *captured, void *priv);
int interface_jtag_add_ir_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
{
/* synchronously do the operation here */
return ERROR_OK;
}
int interface_jtag_add_plain_ir_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
{
/* synchronously do the operation here */
return ERROR_OK;
}
/*extern jtag_command_t **jtag_get_last_command_p(void);*/
int interface_jtag_add_dr_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
{
/* synchronously do the operation here */
return ERROR_OK;
}
int interface_jtag_add_plain_dr_scan(int num_fields, const scan_field_t *fields, tap_state_t state)
{
/* synchronously do the operation here */
return ERROR_OK;
}
int interface_jtag_add_tlr()
{
/* synchronously do the operation here */
return ERROR_OK;
}
int interface_jtag_add_reset(int req_trst, int req_srst)
{
/* synchronously do the operation here */
return ERROR_OK;
}
int interface_jtag_add_runtest(int num_cycles, tap_state_t state)
{
/* synchronously do the operation here */
return ERROR_OK;
}
int interface_jtag_add_clocks(int num_cycles)
{
/* synchronously do the operation here */
return ERROR_OK;
}
int interface_jtag_add_sleep(uint32_t us)
{
jtag_sleep(us);
return ERROR_OK;
}
int interface_jtag_add_pathmove(int num_states, const tap_state_t *path)
{
int state_count;
int tms = 0;
state_count = 0;
tap_state_t cur_state = cmd_queue_cur_state;
while (num_states)
{
if (tap_state_transition(cur_state, false) == path[state_count])
{
tms = 0;
}
else if (tap_state_transition(cur_state, true) == path[state_count])
{
tms = 1;
}
else
{
LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_name(cur_state), tap_state_name(path[state_count]));
exit(-1);
}
/* synchronously do the operation here */
cur_state = path[state_count];
state_count++;
num_states--;
}
/* synchronously do the operation here */
return ERROR_OK;
}
void embeddedice_write_dcc(jtag_tap_t *tap, int reg_addr, uint8_t *buffer, int little, int count)
{
int i;
for (i = 0; i < count; i++)
{
embeddedice_write_reg_inner(tap, reg_addr, fast_target_buffer_get_u32(buffer, little));
buffer += 4;
}
}