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, see <http://www.gnu.org/licenses/>. *
16 ***************************************************************************/
26 #include "versaloon_include.h"
27 #include "versaloon.h"
28 #include "versaloon_internal.h"
29 #include "usbtoxxx/usbtoxxx.h"
31 uint8_t *versaloon_buf;
32 uint8_t *versaloon_cmd_buf;
33 uint16_t versaloon_buf_size;
35 struct versaloon_pending_t versaloon_pending[VERSALOON_MAX_PENDING_NUMBER];
36 uint16_t versaloon_pending_idx;
38 libusb_device_handle *versaloon_usb_device_handle;
39 static uint32_t versaloon_usb_to = VERSALOON_TIMEOUT;
41 static RESULT versaloon_init(void);
42 static RESULT versaloon_fini(void);
43 static RESULT versaloon_get_target_voltage(uint16_t *voltage);
44 static RESULT versaloon_set_target_voltage(uint16_t voltage);
45 static RESULT versaloon_delay_ms(uint16_t ms);
46 static RESULT versaloon_delay_us(uint16_t us);
48 struct versaloon_interface_t versaloon_interface = {
49 .init = versaloon_init,
50 .fini = versaloon_fini,
52 { /* target_voltage */
53 .get = versaloon_get_target_voltage,
54 .set = versaloon_set_target_voltage,
57 .init = usbtogpio_init,
58 .fini = usbtogpio_fini,
59 .config = usbtogpio_config,
64 .delayms = versaloon_delay_ms,
65 .delayus = versaloon_delay_us,
68 .init = usbtoswd_init,
69 .fini = usbtoswd_fini,
70 .config = usbtoswd_config,
71 .seqout = usbtoswd_seqout,
72 .seqin = usbtoswd_seqin,
73 .transact = usbtoswd_transact,
76 .init = usbtojtagraw_init,
77 .fini = usbtojtagraw_fini,
78 .config = usbtojtagraw_config,
79 .execute = usbtojtagraw_execute,
81 .peripheral_commit = usbtoxxx_execute_command,
86 .ep_out = VERSALOON_OUTP,
87 .ep_in = VERSALOON_INP,
88 .interface = VERSALOON_IFACE,
95 static uint32_t versaloon_pending_id;
96 static versaloon_callback_t versaloon_callback;
97 static void *versaloon_extra_data;
98 static struct versaloon_want_pos_t *versaloon_want_pos;
100 void versaloon_set_pending_id(uint32_t id)
102 versaloon_pending_id = id;
104 void versaloon_set_callback(versaloon_callback_t callback)
106 versaloon_callback = callback;
108 void versaloon_set_extra_data(void *p)
110 versaloon_extra_data = p;
113 void versaloon_free_want_pos(void)
116 struct versaloon_want_pos_t *tmp, *free_tmp;
118 tmp = versaloon_want_pos;
119 while (tmp != NULL) {
124 versaloon_want_pos = NULL;
126 for (i = 0; i < dimof(versaloon_pending); i++) {
127 tmp = versaloon_pending[i].pos;
128 while (tmp != NULL) {
133 versaloon_pending[i].pos = NULL;
137 RESULT versaloon_add_want_pos(uint16_t offset, uint16_t size, uint8_t *buff)
139 struct versaloon_want_pos_t *new_pos = NULL;
141 new_pos = malloc(sizeof(*new_pos));
142 if (NULL == new_pos) {
143 LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
144 return ERRCODE_NOT_ENOUGH_MEMORY;
146 new_pos->offset = offset;
147 new_pos->size = size;
148 new_pos->buff = buff;
149 new_pos->next = NULL;
151 if (NULL == versaloon_want_pos)
152 versaloon_want_pos = new_pos;
154 struct versaloon_want_pos_t *tmp = versaloon_want_pos;
156 while (tmp->next != NULL)
164 RESULT versaloon_add_pending(uint8_t type, uint8_t cmd, uint16_t actual_szie,
165 uint16_t want_pos, uint16_t want_size, uint8_t *buffer, uint8_t collect)
168 if (versaloon_pending_idx >= VERSALOON_MAX_PENDING_NUMBER) {
169 LOG_BUG(ERRMSG_INVALID_INDEX, versaloon_pending_idx,
170 "versaloon pending data");
175 versaloon_pending[versaloon_pending_idx].type = type;
176 versaloon_pending[versaloon_pending_idx].cmd = cmd;
177 versaloon_pending[versaloon_pending_idx].actual_data_size = actual_szie;
178 versaloon_pending[versaloon_pending_idx].want_data_pos = want_pos;
179 versaloon_pending[versaloon_pending_idx].want_data_size = want_size;
180 versaloon_pending[versaloon_pending_idx].data_buffer = buffer;
181 versaloon_pending[versaloon_pending_idx].collect = collect;
182 versaloon_pending[versaloon_pending_idx].id = versaloon_pending_id;
183 versaloon_pending_id = 0;
184 versaloon_pending[versaloon_pending_idx].extra_data = versaloon_extra_data;
185 versaloon_extra_data = NULL;
186 versaloon_pending[versaloon_pending_idx].callback = versaloon_callback;
187 versaloon_callback = NULL;
188 versaloon_pending[versaloon_pending_idx].pos = versaloon_want_pos;
189 versaloon_want_pos = NULL;
190 versaloon_pending_idx++;
195 RESULT versaloon_send_command(uint16_t out_len, uint16_t *inlen)
201 if (NULL == versaloon_buf) {
202 LOG_BUG(ERRMSG_INVALID_BUFFER, TO_STR(versaloon_buf));
203 return ERRCODE_INVALID_BUFFER;
205 if ((0 == out_len) || (out_len > versaloon_interface.usb_setting.buf_size)) {
206 LOG_BUG(ERRMSG_INVALID_PARAMETER, __func__);
207 return ERRCODE_INVALID_PARAMETER;
211 ret = libusb_bulk_transfer(versaloon_usb_device_handle,
212 versaloon_interface.usb_setting.ep_out,
213 versaloon_buf, out_len, &transferred, versaloon_usb_to);
214 if (0 != ret || transferred != out_len) {
215 LOG_ERROR(ERRMSG_FAILURE_OPERATION, "send usb data");
216 return ERRCODE_FAILURE_OPERATION;
220 ret = libusb_bulk_transfer(versaloon_usb_device_handle,
221 versaloon_interface.usb_setting.ep_in,
222 versaloon_buf, versaloon_interface.usb_setting.buf_size,
223 &transferred, versaloon_usb_to);
225 *inlen = (uint16_t)transferred;
228 LOG_ERROR(ERRMSG_FAILURE_OPERATION, "receive usb data");
235 #define VERSALOON_RETRY_CNT 10
236 static RESULT versaloon_init(void)
240 uint32_t timeout_tmp;
242 /* malloc temporary buffer */
243 versaloon_buf = malloc(versaloon_interface.usb_setting.buf_size);
244 if (NULL == versaloon_buf) {
245 LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
246 return ERRCODE_NOT_ENOUGH_MEMORY;
249 /* connect to versaloon */
250 timeout_tmp = versaloon_usb_to;
251 /* not output error message when connecting */
252 /* 100ms delay when connect */
253 versaloon_usb_to = 100;
254 for (retry = 0; retry < VERSALOON_RETRY_CNT; retry++) {
255 versaloon_buf[0] = VERSALOON_GET_INFO;
256 if ((ERROR_OK == versaloon_send_command(1, &ret)) && (ret >= 3))
259 versaloon_usb_to = timeout_tmp;
260 if (VERSALOON_RETRY_CNT == retry) {
262 LOG_ERROR(ERRMSG_FAILURE_OPERATION, "communicate with versaloon");
263 return ERRCODE_FAILURE_OPERATION;
266 versaloon_buf[ret] = 0;
267 versaloon_buf_size = versaloon_buf[0] + (versaloon_buf[1] << 8);
268 versaloon_interface.usb_setting.buf_size = versaloon_buf_size;
269 LOG_INFO("%s", versaloon_buf + 2);
271 /* free temporary buffer */
273 versaloon_buf = NULL;
275 versaloon_buf = malloc(versaloon_interface.usb_setting.buf_size);
276 if (NULL == versaloon_buf) {
278 LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
279 return ERRCODE_NOT_ENOUGH_MEMORY;
281 versaloon_cmd_buf = malloc(versaloon_interface.usb_setting.buf_size - 3);
282 if (NULL == versaloon_cmd_buf) {
284 LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
285 return ERRCODE_NOT_ENOUGH_MEMORY;
287 if (ERROR_OK != usbtoxxx_init()) {
288 LOG_ERROR(ERRMSG_FAILURE_OPERATION, "initialize usbtoxxx");
291 return versaloon_get_target_voltage(&ret);
294 static RESULT versaloon_fini(void)
296 if (versaloon_usb_device_handle != NULL) {
298 versaloon_free_want_pos();
300 versaloon_usb_device_handle = NULL;
303 versaloon_buf = NULL;
305 free(versaloon_cmd_buf);
306 versaloon_cmd_buf = NULL;
312 static RESULT versaloon_set_target_voltage(uint16_t voltage)
316 usbtopwr_output(0, voltage);
319 return usbtoxxx_execute_command();
322 static RESULT versaloon_get_target_voltage(uint16_t *voltage)
327 if (NULL == versaloon_buf) {
328 LOG_BUG(ERRMSG_INVALID_BUFFER, TO_STR(versaloon_buf));
329 return ERRCODE_INVALID_BUFFER;
331 if (NULL == voltage) {
332 LOG_BUG(ERRMSG_INVALID_PARAMETER, __func__);
333 return ERRCODE_INVALID_PARAMETER;
337 versaloon_buf[0] = VERSALOON_GET_TVCC;
339 if ((ERROR_OK != versaloon_send_command(1, &inlen)) || (inlen != 2)) {
340 LOG_ERROR(ERRMSG_FAILURE_OPERATION, "communicate with versaloon");
341 return ERRCODE_FAILURE_OPERATION;
343 *voltage = versaloon_buf[0] + (versaloon_buf[1] << 8);
348 static RESULT versaloon_delay_ms(uint16_t ms)
350 return usbtodelay_delay(ms | 0x8000);
353 static RESULT versaloon_delay_us(uint16_t us)
355 return usbtodelay_delay(us & 0x7FFF);