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板子已经通过smartLink配置成功
//// Device connect ap//deviceConnectWlan();DeviceDefaultConfig(); while (1)[ _SlNonOsMainLoopTask();] 如果我先连接WIFI ,在进行读写文件,就没问题; DeviceDefaultConfig(); //// Device connect ap//deviceConnectWlan(); 如果我先读写文件, 在调用fs_open之后,就会一直处于_SlNonOsMainLoopTask函数中; void main()[ // // Board Initialization // BoardInit(); // // Initialize the uDMA // UDMAInit(); // // Configure the pinmux settings for the peripherals exercised // PinMuxConfig(); // // Configuring UART // InitTerm(); // // Display banner // DisplayBanner(APPLICATION_NAME); DeviceDefaultConfig(); // // Device connect ap // //deviceConnectWlan(); while (1) [ _SlNonOsMainLoopTask(); ]]//*****************************************************************************//// Close the Doxygen group.//! @]////*****************************************************************************int deviceConnectWlan( void )[ long lRetVal = -1; InitializeAppVariables(); //lRetVal = ConfigureSimpleLinkToDefaultState(); if(lRetVal < 0) [ if (DEVICE_NOT_IN_STATION_MODE == lRetVal) UART_PRINT("Failed to configure the device in its default state nr"); // ASSERT_ON_ERROR(DEVICE_DEFAULT_ERROR); ] UART_PRINT("Device is configured in default state nr"); lRetVal = sl_Start(0, 0, 0); if (lRetVal < 0) [ UART_PRINT("Failed to start the device nr"); ASSERT_ON_ERROR(DEVICE_START_ERROR); ] UART_PRINT("Device started as STATION nr"); UART_PRINT("Connecting to AP: %s ...rn",SSID_NAME); //lRetVal = WlanConnect(); if(lRetVal < 0) [ UART_PRINT("Connection to AP failed nr"); ASSERT_ON_ERROR(DEVICE_CONNECT_ERROR); ] // Wait for WLAN Event while((!IS_CONNECTED(g_ulStatus)) || (!IS_IP_ACQUIRED(g_ulStatus))) [ _SlNonOsMainLoopTask(); ] UART_PRINT("Connected to AP: %s nr",SSID_NAME); UART_PRINT("Device IP: %d.%d.%d.%dnrnr", SL_IPV4_BYTE(g_ulIpAddr,3), SL_IPV4_BYTE(g_ulIpAddr,2), SL_IPV4_BYTE(g_ulIpAddr,1), SL_IPV4_BYTE(g_ulIpAddr,0)); return SUCCESS; ]long DeviceDefaultConfig( void )[ long lRetVal = -1; // // create a user file // lRetVal = sl_FsOpen((unsigned char *)USER_FILE_NAME, FS_MODE_OPEN_CREATE(65536, _FS_FILE_OPEN_FLAG_COMMIT|_FS_FILE_PUBLIC_WRITE), NULL, lFileHandle); if(lRetVal < 0) [ // // File may already be created // lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0); ASSERT_ON_ERROR(lRetVal); ] else [ // // close the user file // lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0); if (SL_RET_CODE_OK != lRetVal) [ ASSERT_ON_ERROR(FILE_CLOSE_ERROR); ] ] Report("Cread file success.rn"); lRetVal = sl_FsOpen((unsigned char *)USER_FILE_NAME, FS_MODE_OPEN_READ, NULL, lFileHandle); if(lRetVal < 0) [ lRetVal = sl_FsClose(*lFileHandle, 0, 0, 0); ASSERT_ON_ERROR(FILE_OPEN_WRITE_FAILED); ] Report("open read is success.rn"); return SUCCESS;] 代码如下: |
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1个回答
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文件系统是通过NWP进行读写的,在文件读写之前需要将Sl_Start()开启后才能正常操作文件系统
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