Host library for controlling a WiConnect enabled Wi-Fi module.
Dependents: wiconnect-ota_example wiconnect-web_setup_example wiconnect-test-console wiconnect-tcp_server_example ... more
NetworkJoin.cpp
- Committer:
- dan_ackme
- Date:
- 2014-11-03
- Revision:
- 33:9b690d76eedf
- Parent:
- 29:b6af04b77a56
File content as of revision 33:9b690d76eedf:
/** * ACKme WiConnect Host Library is licensed under the BSD licence: * * Copyright (c)2014 ACKme Networks. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. */ #include "Wiconnect.h" #include "internal/common.h" /*************************************************************************************************/ WiconnectResult NetworkInterface::join(const char* ssid, const char *password, const Callback &completeHandler_) { WiconnectResult result = WICONNECT_ERROR; enum { FS_SET_NETWORK_DOWN, FS_SET_SSID, FS_SET_PASSWORD, FS_NETWORK_UP, FS_GET_STATUS }; CHECK_CALLBACK_AVAILABLE(completeHandler_); CHECK_OTHER_COMMAND_EXECUTING(); if(wiconnect->internalProcessingState == FS_SET_NETWORK_DOWN) { if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("network_down"))) { wiconnect->internalProcessingState = FS_SET_SSID; } } if(wiconnect->internalProcessingState == FS_SET_SSID) { if(ssid == NULL || WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("set wlan.ssid %s", ssid))) { wiconnect->internalProcessingState = FS_SET_PASSWORD; } } if(wiconnect->internalProcessingState == FS_SET_PASSWORD) { if(password == NULL || *password == 0 || WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("set wlan.passkey %s", password))) { wiconnect->internalProcessingState = FS_NETWORK_UP; } } if(wiconnect->internalProcessingState == FS_NETWORK_UP) { if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("network_up"))) { if(!completeHandler_.isValid()) { wiconnect->internalProcessingState = FS_GET_STATUS; } #ifdef WICONNECT_ASYNC_TIMER_ENABLED else { monitorTimer.stop(); completeHandler = completeHandler_; monitorTimer.start(this, &NetworkInterface::joinStatusMonitor, 1000); } #endif } } if(wiconnect->internalProcessingState == FS_GET_STATUS) { #define MAX_JOIN_TIME 30000 TimeoutTimer timeout; status_loop: if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("get wlan.join.result"))) { int32_t status; if(!WICONNECT_FAILED(result, wiconnect->responseToInt32(&status))) { if((NetworkJoinResult)status == NETWORK_JOIN_RESULT_JOINING) { if(timeout.timedOut(MAX_JOIN_TIME)) { result = WICONNECT_TIMEOUT; } else if(!wiconnect->nonBlocking) { goto status_loop; } else { result = WICONNECT_PROCESSING; } } else { result = ((NetworkJoinResult)status == NETWORK_JOIN_RESULT_SUCCESS) ? WICONNECT_SUCCESS : WICONNECT_NOT_CONNECTED; } } } } CHECK_CLEANUP_COMMAND(); return result; } /*************************************************************************************************/ WiconnectResult NetworkInterface::leave() { WiconnectResult result; CHECK_OTHER_COMMAND_EXECUTING(); #ifdef WICONNECT_ASYNC_TIMER_ENABLED monitorTimer.stop(); #endif result = wiconnect->sendCommand("network_down"); CHECK_CLEANUP_COMMAND(); return result; } /*************************************************************************************************/ WiconnectResult NetworkInterface::getNetworkStatus(NetworkStatus *statusPtr) { WiconnectResult result; CHECK_OTHER_COMMAND_EXECUTING(); if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("get network.status"))) { int32_t status; if(!WICONNECT_FAILED(result, wiconnect->responseToInt32(&status))) { if(status != NETWORK_STATUS_DOWN) { #ifdef WICONNECT_ASYNC_TIMER_ENABLED monitorTimer.stop(); #endif } *statusPtr = (NetworkStatus)status; } } CHECK_CLEANUP_COMMAND(); return result; } /*************************************************************************************************/ WiconnectResult NetworkInterface::getNetworkJoinResult(NetworkJoinResult *joinResultPtr) { WiconnectResult result; CHECK_OTHER_COMMAND_EXECUTING(); if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("get wlan.join.result"))) { int32_t status; if(!WICONNECT_FAILED(result, wiconnect->responseToInt32(&status))) { if(status != NETWORK_JOIN_RESULT_JOINING) { #ifdef WICONNECT_ASYNC_TIMER_ENABLED monitorTimer.stop(); #endif } *joinResultPtr = (NetworkJoinResult)status; } } CHECK_CLEANUP_COMMAND(); return result; } #ifdef WICONNECT_ASYNC_TIMER_ENABLED /*************************************************************************************************/ // this is called every 1s by the monitorTimer void NetworkInterface::joinStatusMonitor() { static char responseBuffer[4]; static uint8_t cmdBuffer[sizeof(QueuedCommand)]; QueuedCommand *cmd = (QueuedCommand*)cmdBuffer; monitorTimer.stop(); *cmd = QueuedCommand(sizeof(responseBuffer), responseBuffer, "get wlan.join.result"); wiconnect->enqueueCommand(cmd, Callback(this, &NetworkInterface::joinStatusCheckCallback)); } /*************************************************************************************************/ // this is called on the completion of the 'get'wlan.join.result' command above void NetworkInterface::joinStatusCheckCallback(WiconnectResult result, void *arg1, void *arg2) { bool isComplete = false; NetworkJoinResult joinResult = NETWORK_JOIN_RESULT_NONE; QueuedCommand *cmd = (QueuedCommand*)arg1; if(result == WICONNECT_SUCCESS) { int32_t status; if(!StringUtil::strToInt32(cmd->responseBuffer, &status)) { result = WICONNECT_RESPONSE_PARSE_ERROR; } else if((NetworkJoinResult)status != NETWORK_JOIN_RESULT_JOINING) { isComplete = true; joinResult = (NetworkJoinResult)status; result = (joinResult == NETWORK_JOIN_RESULT_SUCCESS) ? WICONNECT_SUCCESS : WICONNECT_NOT_CONNECTED; } } if(isComplete || result != WICONNECT_SUCCESS) { completeHandler.call(result, (void*)joinResult, NULL); } else { monitorTimer.start(this, &NetworkInterface::joinStatusMonitor, 1000); } } #endif