SNIC UART Interface library: Serial to Wi-Fi library for Murata TypeYD Wi-Fi module. For more information about TypeYD: http://www.murata.co.jp/products/microwave/module/lbwb1zzydz/index.html

Dependents:   SNIC-xively-jumpstart-demo SNIC-FluentLogger-example TCPEchoServer murataDemo ... more

Fork of YDwifiInterface by Takao Kishino

Revision:
12:0254eaccfda2
Child:
14:54378c96d285
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SNIC_WifiInterface.cpp	Tue Mar 25 01:42:25 2014 +0000
@@ -0,0 +1,515 @@
+#include "SNIC_WifiInterface.h"
+#include "SNIC_UartMsgUtil.h"
+
+using namespace murata_wifi;
+
+C_SNIC_WifiInterface::C_SNIC_WifiInterface( PinName tx, PinName rx, PinName cts, PinName rts, PinName reset, PinName alarm, int baud)
+{
+    mSNICWifi_p = C_SNIC_Core::getInstance();
+
+    mUART_tx     = tx;
+    mUART_rx     = rx;
+    mUART_cts    = cts;
+    mUART_rts    = rts;;
+    mUART_baud   = baud;
+    mModuleReset = reset;
+}
+
+int C_SNIC_WifiInterface::init()
+{    
+    /* Initialize UART */
+    mSNICWifi_p->initUart( mUART_tx, mUART_rx, mUART_baud );
+
+    /* Initialize SNIC API */
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("snic_init payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagSNIC_INIT_REQ_T req;
+    // Make request
+    req.cmd_sid  = UART_CMD_SID_SNIC_INIT_REQ;
+    req.seq      = mUartRequestSeq++;
+    req.buf_size = 0x800;
+
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_SNIC, req.cmd_sid, (unsigned char *)&req
+                            , sizeof(tagSNIC_INIT_REQ_T), payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+
+    int ret;
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "snic_init failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( mSNICWifi_p->mUartCommand.getCommandStatus() != 0 )
+    {
+        printf("snic_init status:%02x\r\n", mSNICWifi_p->mUartCommand.getCommandStatus());
+        ret = -1;
+    }
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+    
+    return ret;
+}
+
+int C_SNIC_WifiInterface::getFWVersion( unsigned char *version_p )
+{
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("getFWVersion payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagGEN_FW_VER_GET_REQ_T req;
+    // Make request
+    req.cmd_sid = UART_CMD_SID_GEN_FW_VER_GET_REQ;
+    req.seq     = mUartRequestSeq++;
+    
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_GEN, req.cmd_sid, (unsigned char *)&req
+                        , sizeof(tagGEN_FW_VER_GET_REQ_T), payload_buf->buf, command_array );
+
+    int ret;
+    
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+    
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "getFWversion failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( mSNICWifi_p->mUartCommand.getCommandStatus() == 0 )
+    {
+        unsigned char version_len = payload_buf->buf[3];
+        memcpy( version_p, &payload_buf->buf[4], version_len );
+    }
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+    return 0;
+}
+
+int C_SNIC_WifiInterface::connect(const char *ssid_p, unsigned char ssid_len, E_SECURITY sec_type
+                            , const char *sec_key_p, unsigned char sec_key_len)
+{
+    // Parameter check(SSID)
+    if( (ssid_p == NULL) || (ssid_len == 0) )
+    {
+        printf( "connect failed [ parameter NG:SSID ]\r\n" );
+        return -1;
+    }
+    
+    // Parameter check(Security key)
+    if( (sec_type != e_SEC_OPEN) && ( (sec_key_len == 0) || (sec_key_p == NULL) ) )
+    {
+        printf( "connect failed [ parameter NG:Security key ]\r\n" );
+        return -1;
+    }
+    
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("connect payload_buf NULL\r\n");
+        return -1;
+    }
+
+    unsigned char buf[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  buf_len = 0;
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+
+    memset( buf, 0, UART_REQUEST_PAYLOAD_MAX );
+    // Make request
+    buf[0] = UART_CMD_SID_WIFI_JOIN_REQ;
+    buf_len++;
+    buf[1] = mUartRequestSeq++;
+    buf_len++;
+    // SSID
+    memcpy( &buf[2], ssid_p, ssid_len );
+    buf_len += ssid_len;
+    buf_len++;
+    
+    // Security mode
+    buf[ buf_len ] = (unsigned char)sec_type;
+    buf_len++;
+
+    // Security key
+    if( sec_type != e_SEC_OPEN )
+    {
+        buf[ buf_len ] = sec_key_len;
+        buf_len++;
+        if( sec_key_len > 0 )
+        {
+            memcpy( &buf[buf_len], sec_key_p, sec_key_len );
+            buf_len += sec_key_len;
+        }
+    }
+
+    // Preparation of command
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_WIFI, UART_CMD_SID_WIFI_JOIN_REQ, buf
+                        , buf_len, payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+    
+    int ret;
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "join failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( mSNICWifi_p->mUartCommand.getCommandStatus() != 0 )
+    {
+        printf("join status:%02x\r\n", mSNICWifi_p->mUartCommand.getCommandStatus());
+        ret = -1;
+    }
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+
+    return ret;
+}
+
+int C_SNIC_WifiInterface::disconnect()
+{
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("disconnect payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagWIFI_DISCONNECT_REQ_T req;
+    // Make request
+    req.cmd_sid = UART_CMD_SID_WIFI_DISCONNECT_REQ;
+    req.seq = mUartRequestSeq++;
+    
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_WIFI, req.cmd_sid, (unsigned char *)&req
+                        , sizeof(tagWIFI_DISCONNECT_REQ_T), payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+    
+    int ret;
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "disconnect failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( mSNICWifi_p->mUartCommand.getCommandStatus() != 0 )
+    {
+        printf("disconnect status:%02x\r\n", mSNICWifi_p->mUartCommand.getCommandStatus());
+        ret = -1;
+    }
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+    return ret;
+}
+
+int C_SNIC_WifiInterface::scan( const char *ssid_p, unsigned char *bssid_p
+                        , void (*result_handler_p)(tagSCAN_RESULT_T *scan_result) )
+{
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("scan payload_buf NULL\r\n");
+        return -1;
+    }
+    
+    tagWIFI_SCAN_REQ_T req;
+    unsigned int  buf_len = 0;
+    
+    memset( &req, 0, sizeof(tagWIFI_SCAN_REQ_T) );
+    // Make request
+    req.cmd_sid = UART_CMD_SID_WIFI_SCAN_REQ;
+    buf_len++;
+    req.seq = mUartRequestSeq++;
+    buf_len++;
+    
+    // Set scan type(Active scan)
+    req.scan_type = 0;
+    buf_len++;
+    // Set bss type(any)
+    req.bss_type = 2;
+    buf_len++;
+    // Set BSSID
+    if( bssid_p != NULL )
+    {
+        memcpy( req.bssid, bssid_p, BSSID_MAC_LENTH );
+    }
+    buf_len += BSSID_MAC_LENTH;
+    // Set channel list(0)
+    req.chan_list = 0;
+    buf_len++;
+    //Set SSID
+    if( ssid_p != NULL )
+    {
+        strcpy( (char *)req.ssid, ssid_p );
+        buf_len += strlen(ssid_p);
+    }
+    buf_len++;
+
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_WIFI, req.cmd_sid, (unsigned char *)&req
+                        , buf_len, payload_buf->buf, command_array );
+
+    // Set scan result callback 
+    mSNICWifi_p->mUartCommand.setScanResultHandler( result_handler_p );
+    
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+
+    int ret;
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    printf( "scan wait:%d\r\n", ret );
+    if( ret != 0 )
+    {
+        printf( "scan failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( mSNICWifi_p->mUartCommand.getCommandStatus() != 0 )
+    {
+        printf("scan status:%02x\r\n", mSNICWifi_p->mUartCommand.getCommandStatus());
+        ret = -1;
+    }
+
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+
+    return ret;
+}
+
+int C_SNIC_WifiInterface::wifi_on( const char *country_p )
+{
+    // Parameter check
+    if( country_p == NULL )
+    {
+        printf("wifi_on parameter error\r\n");
+        return -1;
+    }
+    
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("wifi_on payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagWIFI_ON_REQ_T req;
+    // Make request
+    req.cmd_sid = UART_CMD_SID_WIFI_ON_REQ;
+    req.seq = mUartRequestSeq++;
+    memcpy( req.country, country_p, COUNTRYC_CODE_LENTH );
+    
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_WIFI, req.cmd_sid, (unsigned char *)&req
+                        , sizeof(tagWIFI_ON_REQ_T), payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+    
+    int ret;
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "wifi_on failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( mSNICWifi_p->mUartCommand.getCommandStatus() != 0 )
+    {
+        printf("wifi_on status:%02x\r\n", mSNICWifi_p->mUartCommand.getCommandStatus());
+        ret = -1;
+    }
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+
+    return ret;
+}
+
+int C_SNIC_WifiInterface::wifi_off()
+{
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("wifi_off payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagWIFI_OFF_REQ_T req;
+    // Make request
+    req.cmd_sid = UART_CMD_SID_WIFI_OFF_REQ;
+    req.seq = mUartRequestSeq++;
+    
+    unsigned char command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int  command_len;
+    // Preparation of command
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_WIFI, req.cmd_sid, (unsigned char *)&req
+                        , sizeof(tagWIFI_OFF_REQ_T), payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+    
+    int ret;
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "wifi_off failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    if( mSNICWifi_p->mUartCommand.getCommandStatus() != 0 )
+    {
+        printf("wifi_off status:%02x\r\n", mSNICWifi_p->mUartCommand.getCommandStatus());
+        ret = -1;
+    }
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+
+    return ret;
+}
+
+int C_SNIC_WifiInterface::getRssi( signed char *rssi_p )
+{
+    if( rssi_p == NULL )
+    {
+        printf("getRssi parameter error\r\n");
+        return -1;
+    }
+    
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("getRssi payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagWIFI_GET_STA_RSSI_REQ_T req;
+    
+    // Make request
+    req.cmd_sid = UART_CMD_SID_WIFI_GET_STA_RSSI_REQ;
+    req.seq     = mUartRequestSeq++;
+    
+    unsigned char  command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int   command_len;
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_WIFI, req.cmd_sid, (unsigned char *)&req
+                        , sizeof(tagWIFI_GET_STA_RSSI_REQ_T), payload_buf->buf, command_array );
+
+    int ret;
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+    
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "getRssi failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    *rssi_p = (signed char)payload_buf->buf[2];
+
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+    return 0;
+}
+
+int C_SNIC_WifiInterface::getWifiStatus( tagWIFI_STATUS_T *status_p)
+{
+    if( status_p == NULL )
+    {
+        printf("getWifiStatus parameter error\r\n");
+        return -1;
+    }
+    
+    // Get buffer for response payload from MemoryPool
+    tagMEMPOOL_BLOCK_T *payload_buf = mSNICWifi_p->getAlocCmdBuf();
+    if( payload_buf == NULL )
+    {
+        printf("getWifiStatus payload_buf NULL\r\n");
+        return -1;
+    }
+
+    tagWIFI_GET_STATUS_REQ_T req;
+    // Make request
+    req.cmd_sid = UART_CMD_SID_WIFI_GET_STATUS_REQ;
+    req.seq     = mUartRequestSeq++;
+    req.interface = 0;
+    
+    unsigned char  command_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned int   command_len;
+    command_len = mSNICWifi_p->preparationSendCommand( UART_CMD_ID_WIFI, req.cmd_sid, (unsigned char *)&req
+                        , sizeof(tagWIFI_GET_STATUS_REQ_T), payload_buf->buf, command_array );
+
+    // Send uart command request
+    mSNICWifi_p->sendUart( command_len, command_array );
+    
+    int ret;
+    // Wait UART response
+    ret = mSNICWifi_p->mUartCommand.wait();
+    if( ret != 0 )
+    {
+        printf( "getWifiStatus failed\r\n" );
+        mSNICWifi_p->freeCmdBuf( payload_buf );
+        return -1;
+    }
+    
+    // set status
+    status_p->status = (E_WIFI_STATUS)payload_buf->buf[2];
+    
+    // set Mac address
+    if( status_p->status != e_STATUS_OFF )
+    {
+        memcpy( status_p->mac_address, &payload_buf->buf[3], BSSID_MAC_LENTH );
+    } 
+
+    // set SSID
+    if( ( status_p->status == e_STA_JOINED ) == ( status_p->status == e_AP_STARTED ) )
+    {
+        memcpy( status_p->ssid, &payload_buf->buf[9], strlen( (char *)&payload_buf->buf[9]) );
+    } 
+
+    mSNICWifi_p->freeCmdBuf( payload_buf );
+    return 0;
+}