1 /***************************************************************************
2 * Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com> *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
18 ***************************************************************************/
27 #include "../versaloon_include.h"
28 #include "../versaloon.h"
29 #include "../versaloon_internal.h"
31 #include "usbtoxxx_internal.h"
33 RESULT usbtoswd_callback(void *p, uint8_t *src, uint8_t *processed)
35 struct versaloon_pending_t *pending = (struct versaloon_pending_t *)p;
37 processed = processed;
39 if (pending->extra_data != NULL)
40 *((uint8_t *)pending->extra_data) = src[0];
45 RESULT usbtoswd_init(uint8_t interface_index)
47 return usbtoxxx_init_command(USB_TO_SWD, interface_index);
50 RESULT usbtoswd_fini(uint8_t interface_index)
52 return usbtoxxx_fini_command(USB_TO_SWD, interface_index);
55 RESULT usbtoswd_config(uint8_t interface_index, uint8_t trn, uint16_t retry,
61 if (interface_index > 7) {
62 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
68 SET_LE_U16(&cfg_buf[1], retry);
69 SET_LE_U16(&cfg_buf[3], dly);
71 return usbtoxxx_conf_command(USB_TO_SWD, interface_index, cfg_buf, 5);
74 RESULT usbtoswd_seqout(uint8_t interface_index, uint8_t *data, uint16_t bitlen)
76 uint16_t bytelen = (bitlen + 7) >> 3;
79 if (interface_index > 7) {
80 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
85 SET_LE_U16(&versaloon_cmd_buf[0], bitlen);
86 memcpy(versaloon_cmd_buf + 2, data, bytelen);
88 return usbtoxxx_out_command(USB_TO_SWD, interface_index,
89 versaloon_cmd_buf, bytelen + 2, 0);
92 RESULT usbtoswd_seqin(uint8_t interface_index, uint8_t *data, uint16_t bitlen)
94 uint16_t bytelen = (bitlen + 7) >> 3;
98 if (interface_index > 7) {
99 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
104 SET_LE_U16(&buff[0], bitlen);
106 return usbtoxxx_in_command(USB_TO_SWD, interface_index, buff, 2, bytelen,
107 data, 0, bytelen, 0);
110 RESULT usbtoswd_transact(uint8_t interface_index, uint8_t request,
111 uint32_t *data, uint8_t *ack)
117 if (interface_index > 7) {
118 LOG_BUG(ERRMSG_INVALID_INTERFACE_NUM, interface_index);
123 parity = (request >> 1) & 1;
124 parity += (request >> 2) & 1;
125 parity += (request >> 3) & 1;
126 parity += (request >> 4) & 1;
128 buff[0] = (request | 0x81 | (parity << 5)) & ~0x40;
130 SET_LE_U32(&buff[1], *data);
132 memset(buff + 1, 0, 4);
134 versaloon_set_extra_data(ack);
135 versaloon_set_callback(usbtoswd_callback);
136 if (request & 0x04) {
138 return usbtoxxx_inout_command(USB_TO_SWD, interface_index, buff, 5, 5,
139 (uint8_t *)data, 1, 4, 0);
142 return usbtoxxx_inout_command(USB_TO_SWD, interface_index, buff, 5, 5,