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unsigned short ucIndex; unsigned char ucpolicyOpt; union { unsigned char ucPolicy[4]; unsigned int uiPolicyLen; }policyVal;
InitializeAppVariables();
// // Following function configure the device to default state by cleaning // the persistent settings stored in NVMEM (viz. connection profiles & // policies, power policy etc) // // Applications may choose to skip this step if the developer is sure // that the device is in its default state at start of applicaton // // Note that all profiles and persistent settings that were done on the // device will be lost // lRetVal = ConfigureSimpleLinkToDefaultState(); if(lRetVal < 0) { if (DEVICE_NOT_IN_STATION_MODE == lRetVal) { UART_PRINT("Failed to configure the device in its default state\n\r"); } return lRetVal; }
//UART_PRINT("Device is configured in default state \n\r");
// // Assumption is that the device is configured in station mode already // and it is in its default state // lRetVal = sl_Start(0, 0, 0); if (lRetVal < 0 || ROLE_STA != lRetVal) { UART_PRINT("Failed to start the device \n\r"); return lRetVal; }
//UART_PRINT("Device started as STATION \n\r");
// // make sure the connection policy is not set (so no scan is run in the // background) // ucpolicyOpt = SL_CONNECTION_POLICY(0, 0, 0, 0,0); lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION , ucpolicyOpt, NULL, 0); if(lRetVal != 0) { GPIO_IF_LedOn(MCU_EXECUTE_FAIL_IND); UART_PRINT("Unable to clear the Connection Policy\n\r"); return lRetVal; }
// // enable scan // ucpolicyOpt = SL_SCAN_POLICY(1); // // set scan cycle to 10 seconds // policyVal.uiPolicyLen = 10; // // set scan policy - this starts the scan // lRetVal = sl_WlanPolicySet(SL_POLICY_SCAN , ucpolicyOpt, (unsigned char*)(policyVal.ucPolicy), sizeof(policyVal)); if(lRetVal!=0) { GPIO_IF_LedOn(MCU_EXECUTE_FAIL_IND); UART_PRINT("Unable to set the Scan Policy\n\r"); return lRetVal; } MAP_UtilsDelay(8000000); // // get scan results - all 20 entries in one transaction // ucIndex = 0; // // retVal indicates the valid number of entries // The scan results are occupied in netEntries[] // lRetVal = sl_WlanGetNetworkList(ucIndex, (unsigned char)WLAN_SCAN_COUNT, &netEntries[ucIndex]); if(lRetVal==0) { GPIO_IF_LedOn(MCU_EXECUTE_FAIL_IND); UART_PRINT("Unable to retreive the network list\n\r"); return lRetVal; } /* put a break point here and check netEntries[] value for scan ssid list */ // // get scan results - 4 transactions of 5 entries // ucIndex = 0; memset(netEntries, 0, sizeof(netEntries));
do { lRetVal = sl_WlanGetNetworkList(ucIndex, (unsigned char)WLAN_SCAN_COUNT/4, &netEntries[ucIndex]); ucIndex += lRetVal; } while ((lRetVal == WLAN_SCAN_COUNT/4) && (ucIndex < WLAN_SCAN_COUNT)); /* put a break point here and check netEntries[] value for scan ssid list */ // // disable scan // ucpolicyOpt = SL_SCAN_POLICY(0); lRetVal = sl_WlanPolicySet(SL_POLICY_SCAN , ucpolicyOpt, NULL, 0); if(lRetVal != 0) { GPIO_IF_LedOn(MCU_EXECUTE_FAIL_IND); UART_PRINT("Unable to Clear the Scan Policy\n\r"); return lRetVal; }
