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,
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