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
Diff: NetworkJoin.cpp
- Revision:
- 29:b6af04b77a56
- Child:
- 33:9b690d76eedf
diff -r 3c52f578708a -r b6af04b77a56 NetworkJoin.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NetworkJoin.cpp Mon Oct 27 13:42:26 2014 -0700 @@ -0,0 +1,251 @@ +/** + * 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_SSID, + FS_SET_PASSWORD, + FS_NETWORK_UP, + FS_GET_STATUS + }; + + CHECK_CALLBACK_AVAILABLE(completeHandler_); + + CHECK_OTHER_COMMAND_EXECUTING(); + + 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