SNIC UART Interface library for Murata Type-YD module
Dependents: WebSocketServerTest
Fork of SNICInterface_mod by
SNIC/SNIC_Core.cpp
- Committer:
- kishino
- Date:
- 2014-03-27
- Revision:
- 22:a9ec0cad4f84
- Parent:
- 20:dd736d328de6
- Child:
- 26:f2e1030964e4
File content as of revision 22:a9ec0cad4f84:
/******************* 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; } C_SNIC_Core::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 ); } C_SNIC_Core::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(); } }