Diff: SNIC/SNIC_Core.cpp

Revision:

20:dd736d328de6

Child:

22:a9ec0cad4f84

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SNIC/SNIC_Core.cpp	Thu Mar 27 06:52:04 2014 +0000
@@ -0,0 +1,242 @@
+/******************* Murata Manufacturing Co.,Ltd. 2014 *****************
+ *
+ * Filename:   SNIC_Core.cpp
+ *
+ * Purpose:    This module has implementation of internal common function for API.
+ *              
+ * $Author: kishino $
+ *
+ * $Date: 2014/03/26 $
+ *
+ * $Revision: 0.0.0.1 $
+ * ***********************************************************************/
+#include "mbed.h"
+#include "SNIC_Core.h"
+#include "SNIC_UartMsgUtil.h"
+#include <string>
+
+using namespace murata_wifi;
+
+#define UART_RECVBUF_SIZE   2048
+typedef struct
+{
+    unsigned char buf[UART_RECVBUF_SIZE];
+    unsigned int  size;
+    bool          is_receive;
+}tagUART_RECVBUF_T;
+tagUART_RECVBUF_T   gUART_RCVBUF;
+unsigned char   gUART_TEMP_BUF[UART_RECVBUF_SIZE];
+
+C_SNIC_Core *C_SNIC_Core::mInstance_p = NULL;
+
+C_SNIC_Core *C_SNIC_Core::getInstance()
+{
+    if( mInstance_p == NULL )
+    {
+        mInstance_p    = new C_SNIC_Core();
+    }
+    return mInstance_p;
+}
+
+C_SNIC_Core::C_SNIC_Core()
+{
+    int i;
+    
+    mUartCommand_p = new C_SNIC_UartCommandManager();
+    for( i = 0; i < MAX_SOCKET_ID+1; i++ )
+    {
+        mConnectInfo[i].recvbuf_p    = NULL;
+        mConnectInfo[i].is_connected = false;
+    }
+    
+    mUartRecvThread_p = NULL;
+}
+
+int C_SNIC_Core::initUart(PinName tx, PinName rx, int baud)
+{
+//    printf("[C_SNIC_Core::initUart]1\r\n");
+    
+    mUartRequestSeq   = 0;
+
+    mUart_p = new RawSerial( tx, rx );
+    mUart_p->baud( baud );
+    mUart_p->format(8, SerialBase::None, 1);
+
+//    printf("[C_SNIC_Core::initUart]2\r\n");
+    // Initialize uart
+    gUART_RCVBUF.is_receive = false;
+    gUART_RCVBUF.size       = 0;
+
+    // Create UART recv thread
+    mUartRecvThread_p = new Thread( C_SNIC_Core::uartRecvThread );
+//    printf("[C_SNIC_Core::initUart]3\r\n");
+    if( mUartRecvThread_p == NULL )
+    {
+        printf("[C_SNIC_Core::initUart] thread cread failed\r\n");
+        return -1;
+    }
+
+    return 0;
+}
+
+unsigned int C_SNIC_Core::preparationSendCommand( unsigned char cmd_id, unsigned char cmd_sid
+                                            , unsigned char *req_buf_p,    unsigned int req_buf_len
+                                            , unsigned char *response_buf_p, unsigned char *command_p )
+{
+    unsigned char  payload_array[UART_REQUEST_PAYLOAD_MAX];
+    unsigned short payload_len;
+    unsigned int   command_len = 0;
+    
+    // Make command payload
+    payload_len = C_SNIC_UartMsgUtil::makePayload( req_buf_len, req_buf_p, payload_array );
+    // Make all command request
+    command_len = C_SNIC_UartMsgUtil::makeRequest( cmd_id, payload_array, payload_len, command_p );
+
+    // Set data for response
+    mUartCommand_p->setCommandID( cmd_id );
+    mUartCommand_p->setCommandSID( cmd_sid | 0x80 );
+    mUartCommand_p->setResponseBuf( response_buf_p );
+    
+    return command_len;
+}
+
+int C_SNIC_Core::sendUart( unsigned int len, unsigned char *data )
+{
+    int ret = 0;
+    
+    mUartMutex.lock();
+    for( int i = 0; i < len; i++ )
+    {
+        // Write to UART
+        ret = mUart_p->putc( data[i] );
+        if( ret == -1 )
+        {
+            ret = -1;
+            break;
+        }
+    }
+    mUartMutex.unlock();
+    return ret;
+}
+
+tagMEMPOOL_BLOCK_T *C_SNIC_Core::allocCmdBuf()
+{
+    // Get buffer from MemoryPool
+    return mMemPoolPayload.alloc();
+}
+
+void C_SNIC_Core::freeCmdBuf( tagMEMPOOL_BLOCK_T *buf_p )
+{
+    mMemPoolPayload.free( buf_p );
+}
+
+tagCONNECT_INFO_T  *C_SNIC_Core::getConnectInfo( int socket_id )
+{
+    if( (socket_id < 0) || (socket_id > MAX_SOCKET_ID) )
+    {
+        return NULL;
+    }
+    return &mConnectInfo[socket_id];
+}
+
+C_SNIC_UartCommandManager *C_SNIC_Core::getUartCommand()
+{
+    return mUartCommand_p;
+}
+
+DigitalOut led1(LED1);
+void C_SNIC_Core::uartRecvThread (void const *args_p) {
+
+    C_SNIC_Core *instance_p = C_SNIC_Core::getInstance();
+    if ( instance_p == NULL )
+    {
+        printf("Socket constructor error: no wifly instance available!\r\n");
+    }
+    C_SNIC_UartCommandManager *uartCmdMgr_p = instance_p->getUartCommand();
+
+    int recvdata = 0;
+    int i;
+    
+    /* UART recv thread main loop */
+    for (;;) 
+    {
+        while( instance_p->mUart_p->readable() )
+        {
+            // Receive data from UART.
+            instance_p->mUartMutex.lock();
+            recvdata = instance_p->mUart_p->getc();
+            instance_p->mUartMutex.unlock();
+
+            // Check UART receiving flg
+            if( gUART_RCVBUF.is_receive )
+            {
+                gUART_RCVBUF.buf[ gUART_RCVBUF.size ] = (unsigned char)recvdata;
+                gUART_RCVBUF.size++;
+                // Check  received data is EOM.
+                if( recvdata == UART_CMD_EOM )
+                {
+                    led1 = 0;
+#if 0
+                    printf("[recv]\r\n");
+                    for( i = 0; i < gUART_RCVBUF.size; i++ )
+                    {
+                        printf("%02x ", gUART_RCVBUF.buf[i]);
+                    }
+                    printf("\r\n");
+#endif
+                    unsigned char command_id;
+                    // Get payload from received data from UART.
+                    int payload_len = C_SNIC_UartMsgUtil::getResponsePayload( gUART_RCVBUF.size, gUART_RCVBUF.buf
+                                                            , &command_id, gUART_TEMP_BUF );
+
+                    // Check receive a TCP or UDP packet
+                    if( (command_id == UART_CMD_ID_SNIC) && (gUART_TEMP_BUF[0] == UART_CMD_SID_SNIC_CONNECTION_RECV_IND) )
+                    {
+                        // Packet buffering
+                        uartCmdMgr_p->bufferredPacket( gUART_TEMP_BUF, payload_len );
+                    }
+
+                    // Check scan results indication 
+                    else if( (command_id == UART_CMD_ID_WIFI) && (gUART_TEMP_BUF[0] == UART_CMD_SID_WIFI_SCAN_RESULT_IND) )
+                    {
+                        // Scan result indicate
+                        uartCmdMgr_p->scanResultIndicate( gUART_TEMP_BUF, payload_len );
+                    }
+                    // Checks in the command which is waiting.
+                    else if( uartCmdMgr_p->isWaitingCommand(command_id, gUART_TEMP_BUF) )
+                    {
+                        // Get buffer for payload data
+                        unsigned char *payload_buf_p = uartCmdMgr_p->getResponseBuf();
+                        if( payload_buf_p != NULL )
+                        {
+                            memcpy( payload_buf_p, gUART_TEMP_BUF, payload_len );
+                            uartCmdMgr_p->setResponseBuf( NULL );
+                        }
+                        // Set status
+                        uartCmdMgr_p->setCommandStatus( gUART_TEMP_BUF[2] );
+                        // Set signal for command response wait.
+                        uartCmdMgr_p->signal();
+                    }
+                    
+                    gUART_RCVBUF.size = 0;
+                    gUART_RCVBUF.is_receive = false;
+                }
+            }
+            else
+            {
+                // Check  received data is SOM.
+                if( recvdata == UART_CMD_SOM )
+                {
+                    led1 = 1;
+                    gUART_RCVBUF.size = 0;
+                    gUART_RCVBUF.buf[ gUART_RCVBUF.size ] = (unsigned char)recvdata;
+                    gUART_RCVBUF.size++;
+                    gUART_RCVBUF.is_receive = true;
+                }
+            }
+//            Thread::yield();
+        }
+        Thread::yield();
+    }
+}
+