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- /***************************************************************************
- * Copyright (C) 2009 - 2010 by Simon Qian <SimonQian@SimonQian.com> *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program. If not, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
- #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"
-
- #define N_A "n/a"
-
- static const char *types_name[96] = {
- "usbtousart", "usbtospi", "usbtoi2c", "usbtogpio", "usbtocan", "usbtopwm",
- "usbtoadc", "usbtodac",
- "usbtomicrowire", "usbtoswim", "usbtodusi", N_A, N_A, N_A, "usbtopower", "usbtodelay",
- N_A, N_A, N_A, N_A, N_A, N_A, N_A, N_A, N_A,
- N_A, N_A, N_A, N_A, N_A, N_A, N_A,
- "usbtojtagll", "usbtojtaghl", "usbtoissp", "usbtoc2", "usbtosbw",
- "usbtolpcicp", "usbtoswd", "usbtojtagraw",
- "usbtobdm", N_A, N_A, N_A, N_A, N_A, N_A, N_A,
- N_A, N_A, N_A, N_A, N_A, N_A, N_A, N_A,
- "usbtomsp430jtag", N_A, N_A, N_A, N_A, N_A, N_A, N_A,
- "usbtopower", "usbtodelay", "usbtopoll", N_A, N_A, N_A, N_A, N_A,
- N_A, N_A, N_A, N_A, N_A, N_A, N_A, "usbtoall"
- };
-
- uint8_t usbtoxxx_abilities[USB_TO_XXX_ABILITIES_LEN];
-
- #define usbtoxxx_get_type_name(type) \
- types_name[((type) - VERSALOON_USB_TO_XXX_CMD_START) \
- % ARRAY_SIZE(types_name)]
-
- static uint8_t type_pre;
- static uint16_t usbtoxxx_buffer_index;
- static uint16_t usbtoxxx_current_cmd_index;
- static uint8_t *usbtoxxx_buffer;
-
- static uint16_t collect_index;
- static uint8_t collect_cmd;
- static uint8_t poll_nesting;
-
- struct usbtoxxx_context_t {
- uint8_t type_pre;
- uint8_t *usbtoxxx_buffer;
- uint16_t usbtoxxx_current_cmd_index;
- uint16_t usbtoxxx_buffer_index;
- uint16_t versaloon_pending_idx;
- };
- static struct usbtoxxx_context_t poll_context;
-
- static void usbtoxxx_save_context(struct usbtoxxx_context_t *c)
- {
- c->type_pre = type_pre;
- c->usbtoxxx_buffer = usbtoxxx_buffer;
- c->usbtoxxx_buffer_index = usbtoxxx_buffer_index;
- c->usbtoxxx_current_cmd_index = usbtoxxx_current_cmd_index;
- c->versaloon_pending_idx = versaloon_pending_idx;
- }
-
- static void usbtoxxx_pop_context(struct usbtoxxx_context_t *c)
- {
- type_pre = c->type_pre;
- usbtoxxx_buffer = c->usbtoxxx_buffer;
- usbtoxxx_buffer_index = c->usbtoxxx_buffer_index;
- usbtoxxx_current_cmd_index = c->usbtoxxx_current_cmd_index;
- versaloon_pending_idx = c->versaloon_pending_idx;
- }
-
- static RESULT usbtoxxx_validate_current_command_type(void)
- {
- if (type_pre > 0) {
- /* not the first command */
- if (!usbtoxxx_buffer) {
- LOG_BUG(ERRMSG_INVALID_BUFFER, TO_STR(usbtoxxx_buffer));
- return ERRCODE_INVALID_BUFFER;
- }
-
- usbtoxxx_buffer[0] = type_pre;
- SET_LE_U16(&usbtoxxx_buffer[1], usbtoxxx_current_cmd_index);
-
- usbtoxxx_buffer_index += usbtoxxx_current_cmd_index;
- } else {
- /* first command */
- usbtoxxx_buffer_index = 3;
- }
-
- /* prepare for next command */
- usbtoxxx_current_cmd_index = 3;
- usbtoxxx_buffer = versaloon_buf + usbtoxxx_buffer_index;
-
- collect_index = 0;
- collect_cmd = 0;
-
- return ERROR_OK;
- }
-
- RESULT usbtoxxx_execute_command(void)
- {
- uint16_t i;
- uint16_t inlen;
- RESULT result = ERROR_OK;
-
- if (poll_nesting) {
- LOG_BUG(ERRMSG_INVALID_USAGE, "USB_TO_POLL");
- versaloon_free_want_pos();
- return ERROR_FAIL;
- }
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- versaloon_free_want_pos();
- return ERRCODE_FAILURE_OPERATION;
- }
- if (3 == usbtoxxx_buffer_index) {
- versaloon_free_want_pos();
- return ERROR_OK;
- }
-
- versaloon_buf[0] = USB_TO_ALL;
- SET_LE_U16(&versaloon_buf[1], usbtoxxx_buffer_index);
-
- if (ERROR_OK != versaloon_send_command(usbtoxxx_buffer_index, &inlen)) {
- versaloon_free_want_pos();
- return ERROR_FAIL;
- }
-
- /* process return data */
- usbtoxxx_buffer_index = 0;
- for (i = 0; i < versaloon_pending_idx; i++) {
- /* check result */
- if ((0 == i) || !((versaloon_pending[i].collect)
- && (versaloon_pending[i - 1].collect)
- && (versaloon_pending[i].cmd
- == versaloon_pending[i - 1].cmd))) {
- if (USB_TO_XXX_CMD_NOT_SUPPORT
- == versaloon_buf[usbtoxxx_buffer_index]) {
- LOG_ERROR(ERRMSG_NOT_SUPPORT_BY,
- usbtoxxx_get_type_name(versaloon_pending[i].type),
- "current dongle");
- result = ERROR_FAIL;
- break;
- } else if (USB_TO_XXX_OK != versaloon_buf[usbtoxxx_buffer_index]) {
- LOG_ERROR("%s command 0x%02x failed with 0x%02x",
- usbtoxxx_get_type_name(versaloon_pending[i].type),
- versaloon_pending[i].cmd,
- versaloon_buf[usbtoxxx_buffer_index]);
- result = ERROR_FAIL;
- break;
- }
- usbtoxxx_buffer_index++;
- }
-
- /* get result data */
- if (versaloon_pending[i].pos) {
- uint8_t processed = 0;
-
- if (versaloon_pending[i].callback) {
- versaloon_pending[i].callback(&versaloon_pending[i],
- versaloon_buf + usbtoxxx_buffer_index, &processed);
- }
- if (!processed) {
- struct versaloon_want_pos_t *tmp;
-
- tmp = versaloon_pending[i].pos;
- while (tmp) {
- if ((tmp->buff) && (tmp->size > 0)) {
- memcpy(tmp->buff,
- versaloon_buf + usbtoxxx_buffer_index
- + tmp->offset,
- tmp->size);
- }
- struct versaloon_want_pos_t *free_tmp;
- free_tmp = tmp;
- tmp = tmp->next;
- free(free_tmp);
- }
- versaloon_pending[i].pos = NULL;
- }
- } else if ((versaloon_pending[i].want_data_size > 0)
- && (versaloon_pending[i].data_buffer)) {
- uint8_t processed = 0;
-
- if (versaloon_pending[i].callback) {
- versaloon_pending[i].callback(&versaloon_pending[i],
- versaloon_buf + usbtoxxx_buffer_index, &processed);
- }
- if (!processed) {
- memcpy(versaloon_pending[i].data_buffer,
- versaloon_buf + usbtoxxx_buffer_index
- + versaloon_pending[i].want_data_pos,
- versaloon_pending[i].want_data_size);
- }
- }
- usbtoxxx_buffer_index += versaloon_pending[i].actual_data_size;
- if (usbtoxxx_buffer_index > inlen) {
- LOG_BUG("%s command 0x%02x process error",
- usbtoxxx_get_type_name(versaloon_pending[i].type),
- versaloon_pending[i].cmd);
- result = ERROR_FAIL;
- break;
- }
- }
-
- /* data is not the right size */
- if (inlen != usbtoxxx_buffer_index) {
- LOG_ERROR(ERRMSG_INVALID_TARGET, "length of return data");
- result = ERROR_FAIL;
- }
-
- if (versaloon_pending_idx > 0)
- versaloon_pending_idx = 0;
- else {
- /* no receive data, avoid collision */
- sleep_ms(10);
- }
-
- type_pre = 0;
- collect_cmd = 0;
- collect_index = 0;
- versaloon_free_want_pos();
- return result;
- }
-
- RESULT usbtoxxx_init(void)
- {
- versaloon_pending_idx = 0;
-
- if ((ERROR_OK != usbtoinfo_get_abilities(usbtoxxx_abilities)) ||
- (ERROR_OK != usbtoxxx_execute_command()))
- return ERROR_FAIL;
- LOG_INFO("USB_TO_XXX abilities: 0x%08X:0x%08X:0x%08X",
- GET_LE_U32(&usbtoxxx_abilities[0]),
- GET_LE_U32(&usbtoxxx_abilities[4]),
- GET_LE_U32(&usbtoxxx_abilities[8]));
- return ERROR_OK;
- }
-
- RESULT usbtoxxx_fini(void)
- {
- usbtoxxx_buffer = NULL;
- type_pre = 0;
- return ERROR_OK;
- }
-
- bool usbtoxxx_interface_supported(uint8_t cmd)
- {
- if ((cmd < VERSALOON_USB_TO_XXX_CMD_START) ||
- (cmd > VERSALOON_USB_TO_XXX_CMD_END))
- return false;
-
- cmd -= VERSALOON_USB_TO_XXX_CMD_START;
- return (usbtoxxx_abilities[cmd / 8] & (1 << (cmd % 8))) > 0;
- }
-
- static RESULT usbtoxxx_ensure_buffer_size(uint16_t cmdlen)
- {
- /* check free space, commit if not enough */
- if (((usbtoxxx_buffer_index + usbtoxxx_current_cmd_index + cmdlen)
- >= versaloon_buf_size)
- || (versaloon_pending_idx >= VERSALOON_MAX_PENDING_NUMBER)) {
- struct usbtoxxx_context_t context_tmp;
- uint8_t poll_nesting_tmp = 0;
-
- memset(&context_tmp, 0, sizeof(context_tmp));
- if (poll_nesting) {
- if (0 == poll_context.type_pre) {
- LOG_BUG("USB_TO_POLL toooooo long");
- return ERROR_OK;
- }
-
- usbtoxxx_save_context(&context_tmp);
- usbtoxxx_pop_context(&poll_context);
- poll_nesting_tmp = poll_nesting;
- poll_nesting = 0;
- }
-
- if (usbtoxxx_execute_command() != ERROR_OK)
- return ERROR_FAIL;
-
- if (poll_nesting_tmp) {
- uint16_t newlen, oldlen;
-
- newlen = context_tmp.versaloon_pending_idx
- - poll_context.versaloon_pending_idx;
- memcpy(&versaloon_pending[0],
- &versaloon_pending[poll_context.versaloon_pending_idx],
- sizeof(versaloon_pending[0]) * newlen);
- context_tmp.versaloon_pending_idx = newlen;
- oldlen = poll_context.usbtoxxx_buffer_index
- + poll_context.usbtoxxx_current_cmd_index;
- newlen = context_tmp.usbtoxxx_buffer_index
- + context_tmp.usbtoxxx_current_cmd_index;
- memcpy(versaloon_buf + 3, versaloon_buf + oldlen, newlen - oldlen);
- oldlen -= 3;
- context_tmp.usbtoxxx_buffer -= oldlen;
- context_tmp.usbtoxxx_buffer_index -= oldlen;
- usbtoxxx_pop_context(&context_tmp);
- poll_nesting = poll_nesting_tmp;
- }
- }
- return ERROR_OK;
- }
-
- RESULT usbtoxxx_add_command(uint8_t type, uint8_t cmd, uint8_t *cmdbuf,
- uint16_t cmdlen, uint16_t retlen, uint8_t *wantbuf,
- uint16_t wantpos, uint16_t wantlen, uint8_t collect)
- {
- uint16_t len_tmp;
-
- /* 3 more bytes by usbtoxxx_validate_current_command_type */
- /* 3 more bytes when ((0 == collect_index) || (collect_cmd != cmd)) */
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(cmdlen + 6))
- return ERROR_FAIL;
-
- if ((type_pre != type) || (!usbtoxxx_buffer)) {
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
- type_pre = type;
- }
-
- if ((0 == collect_index) || (collect_cmd != cmd)) {
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = cmd;
-
- if (collect) {
- collect_index = usbtoxxx_current_cmd_index;
- collect_cmd = cmd;
- } else {
- collect_index = 0;
- collect_cmd = 0;
- }
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], cmdlen);
- usbtoxxx_current_cmd_index += 2;
- } else {
- len_tmp = GET_LE_U16(&usbtoxxx_buffer[collect_index]) + cmdlen;
- SET_LE_U16(&usbtoxxx_buffer[collect_index], len_tmp);
- }
-
- if (cmdbuf) {
- memcpy(usbtoxxx_buffer + usbtoxxx_current_cmd_index, cmdbuf, cmdlen);
- usbtoxxx_current_cmd_index += cmdlen;
- }
-
- return versaloon_add_pending(type, cmd, retlen, wantpos, wantlen,
- wantbuf, collect);
- }
-
- RESULT usbtoinfo_get_abilities(uint8_t abilities[USB_TO_XXX_ABILITIES_LEN])
- {
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(3))
- return ERROR_FAIL;
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
- type_pre = USB_TO_INFO;
-
- return versaloon_add_pending(USB_TO_INFO, 0, USB_TO_XXX_ABILITIES_LEN, 0,
- USB_TO_XXX_ABILITIES_LEN, abilities, 0);
- }
-
- RESULT usbtopoll_start(uint16_t retry_cnt, uint16_t interval_us)
- {
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(3 + 5))
- return ERROR_FAIL;
- if (!poll_nesting)
- usbtoxxx_save_context(&poll_context);
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
- poll_nesting++;
- type_pre = USB_TO_POLL;
-
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = USB_TO_POLL_START;
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], retry_cnt);
- usbtoxxx_current_cmd_index += 2;
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], interval_us);
- usbtoxxx_current_cmd_index += 2;
-
- return versaloon_add_pending(USB_TO_POLL, 0, 0, 0, 0, NULL, 0);
- }
-
- RESULT usbtopoll_end(void)
- {
- if (!poll_nesting) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "check poll nesting");
- return ERRCODE_FAILURE_OPERATION;
- }
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(3 + 1))
- return ERROR_FAIL;
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
-
- poll_nesting--;
- type_pre = USB_TO_POLL;
-
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = USB_TO_POLL_END;
-
- return versaloon_add_pending(USB_TO_POLL, 0, 0, 0, 0, NULL, 0);
- }
-
- RESULT usbtopoll_checkok(uint8_t equ, uint16_t offset, uint8_t size,
- uint32_t mask, uint32_t value)
- {
- uint8_t i;
-
- if (size > 4) {
- LOG_BUG(ERRMSG_INVALID_PARAMETER, __func__);
- return ERRCODE_INVALID_PARAMETER;
- }
- if (!poll_nesting) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "check poll nesting");
- return ERRCODE_FAILURE_OPERATION;
- }
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(3 + 4 + 2 * size))
- return ERROR_FAIL;
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
-
- type_pre = USB_TO_POLL;
-
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = USB_TO_POLL_CHECKOK;
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], offset);
- usbtoxxx_current_cmd_index += 2;
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = size;
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = equ;
- for (i = 0; i < size; i++)
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = (mask >> (8 * i)) & 0xFF;
- for (i = 0; i < size; i++)
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = (value >> (8 * i)) & 0xFF;
-
- return ERROR_OK;
- }
-
- RESULT usbtopoll_checkfail(uint8_t equ, uint16_t offset, uint8_t size,
- uint32_t mask, uint32_t value)
- {
- uint8_t i;
-
- if (size > 4) {
- LOG_BUG(ERRMSG_INVALID_PARAMETER, __func__);
- return ERRCODE_INVALID_PARAMETER;
- }
- if (!poll_nesting) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "check poll nesting");
- return ERRCODE_FAILURE_OPERATION;
- }
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(3 + 4 + 2 * size))
- return ERROR_FAIL;
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
-
- type_pre = USB_TO_POLL;
-
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = USB_TO_POLL_CHECKFAIL;
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], offset);
- usbtoxxx_current_cmd_index += 2;
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = size;
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = equ;
- for (i = 0; i < size; i++)
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = (mask >> (8 * i)) & 0xFF;
- for (i = 0; i < size; i++)
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = (value >> (8 * i)) & 0xFF;
-
- return ERROR_OK;
- }
-
- RESULT usbtopoll_verifybuff(uint16_t offset, uint16_t size, uint8_t *buff)
- {
- if (!poll_nesting) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "check poll nesting");
- return ERRCODE_FAILURE_OPERATION;
- }
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(3 + 5 + size))
- return ERROR_FAIL;
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
-
- type_pre = USB_TO_POLL;
-
- usbtoxxx_buffer[usbtoxxx_current_cmd_index++] = USB_TO_POLL_VERIFYBUFF;
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], offset);
- usbtoxxx_current_cmd_index += 2;
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], size);
- usbtoxxx_current_cmd_index += 2;
- memcpy(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], buff, size);
- usbtoxxx_current_cmd_index += size;
-
- return ERROR_OK;
- }
-
- RESULT usbtodelay_delay(uint16_t dly)
- {
- if (ERROR_OK != usbtoxxx_ensure_buffer_size(3 + 2))
- return ERROR_FAIL;
-
- if (ERROR_OK != usbtoxxx_validate_current_command_type()) {
- LOG_BUG(ERRMSG_FAILURE_OPERATION, "validate previous commands");
- return ERRCODE_FAILURE_OPERATION;
- }
- type_pre = USB_TO_DELAY;
-
- SET_LE_U16(&usbtoxxx_buffer[usbtoxxx_current_cmd_index], dly);
- usbtoxxx_current_cmd_index += 2;
-
- return versaloon_add_pending(USB_TO_DELAY, 0, 0, 0, 0, NULL, 0);
- }
-
- RESULT usbtodelay_delayms(uint16_t ms)
- {
- return usbtodelay_delay(ms | 0x8000);
- }
-
- RESULT usbtodelay_delayus(uint16_t us)
- {
- return usbtodelay_delay(us & 0x7FFF);
- }
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