openocd/src/jtag/drivers/versaloon/usbtoxxx/usbtojtagraw.c

68 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/***************************************************************************
* Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com> *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "../versaloon_include.h"
#include "../versaloon.h"
#include "../versaloon_internal.h"
#include "usbtoxxx.h"
#include "usbtoxxx_internal.h"
RESULT usbtojtagraw_init(uint8_t interface_index)
{
return usbtoxxx_init_command(USB_TO_JTAG_RAW, interface_index);
}
RESULT usbtojtagraw_fini(uint8_t interface_index)
{
return usbtoxxx_fini_command(USB_TO_JTAG_RAW, interface_index);
}
RESULT usbtojtagraw_config(uint8_t interface_index, uint32_t khz)
{
uint8_t cfg_buf[4];
#if PARAM_CHECK
if (interface_index > 7) {
LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
return ERROR_FAIL;
}
#endif
SET_LE_U32(&cfg_buf[0], khz);
return usbtoxxx_conf_command(USB_TO_JTAG_RAW, interface_index, cfg_buf, 4);
}
RESULT usbtojtagraw_execute(uint8_t interface_index, uint8_t *tdi,
uint8_t *tms, uint8_t *tdo, uint32_t bitlen)
{
uint16_t bytelen;
#if PARAM_CHECK
if (interface_index > 7) {
LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
return ERROR_FAIL;
}
#endif
if (bitlen > 8 * 0xFFFF)
return ERROR_FAIL;
bytelen = (uint16_t)((bitlen + 7) >> 3);
SET_LE_U32(&versaloon_cmd_buf[0], bitlen);
memcpy(versaloon_cmd_buf + 4, tdi, bytelen);
memcpy(versaloon_cmd_buf + 4 + bytelen, tms, bytelen);
return usbtoxxx_inout_command(USB_TO_JTAG_RAW, interface_index,
versaloon_cmd_buf, 4 + bytelen * 2, bytelen, tdo, 0, bytelen, 0);
}