usbtojtagraw.c

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// 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);
}