ban4jp - / SNICInterface_PullReq

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Dependents:   SNIC-httpclient-example SNIC-ntpclient-example

Fork of SNICInterface by muRata

SNICwifi/SNICwifi.cpp@10:49ffd373066b, 2014-03-18 (annotated)

Committer:
kishino
Date:
Tue Mar 18 02:57:24 2014 +0000
Revision:
10:49ffd373066b
Parent:
9:a98b45e766c8 
[Refactoring]Created the common function for the preparation of request command of UART.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kishino 0:61c402886fbb 1 #include "mbed.h"
kishino 8:50d2509479cd 2 #include "SNICwifi.h"
kishino 8:50d2509479cd 3 #include "SNICwifi_uartmsg.h"
kishino 0:61c402886fbb 4 #include <string>
kishino 0:61c402886fbb 5 //#include <algorithm>
kishino 0:61c402886fbb 6
kishino 2:0ba43344c814 7 using namespace murata_wifi;
kishino 2:0ba43344c814 8
kishino 2:0ba43344c814 9 #define UART_RECVBUF_SIZE 2048
kishino 2:0ba43344c814 10 typedef struct
kishino 2:0ba43344c814 11 {
kishino 2:0ba43344c814 12 unsigned char buf[UART_RECVBUF_SIZE];
kishino 2:0ba43344c814 13 unsigned int size;
kishino 2:0ba43344c814 14 bool is_receive;
kishino 2:0ba43344c814 15 }tagUART_RECVBUF_T;
kishino 2:0ba43344c814 16 tagUART_RECVBUF_T gUART_RCVBUF;
kishino 3:9f90024d7fb2 17 unsigned char gUART_TEMP_BUF[UART_RECVBUF_SIZE];
kishino 2:0ba43344c814 18
kishino 8:50d2509479cd 19 C_SNICwifi *C_SNICwifi::mInstance_p;
kishino 0:61c402886fbb 20
kishino 8:50d2509479cd 21 C_SNICwifi::C_SNICwifi(PinName tx, PinName rx, PinName cts, PinName rts, PinName reset, PinName alarm, int baud):
kishino 6:70f522934032 22 mUart(tx, rx)
kishino 0:61c402886fbb 23 {
kishino 0:61c402886fbb 24 mUartRecvThread_p = NULL;
kishino 0:61c402886fbb 25 mInstance_p = this;
kishino 0:61c402886fbb 26 mUartRequestSeq = 0;
kishino 0:61c402886fbb 27
kishino 2:0ba43344c814 28 // Initialize uart
kishino 2:0ba43344c814 29 gUART_RCVBUF.is_receive = false;
kishino 2:0ba43344c814 30 gUART_RCVBUF.size = 0;
kishino 2:0ba43344c814 31 mUart.baud( 115200 );
kishino 2:0ba43344c814 32 mUart.format(8, SerialBase::None, 1);
kishino 0:61c402886fbb 33 }
kishino 0:61c402886fbb 34
kishino 8:50d2509479cd 35 int C_SNICwifi::initUart()
kishino 0:61c402886fbb 36 {
kishino 0:61c402886fbb 37 // Create UART recv thread
kishino 8:50d2509479cd 38 mUartRecvThread_p = new Thread( C_SNICwifi::uartRecvThread );
kishino 0:61c402886fbb 39 if( mUartRecvThread_p == NULL )
kishino 0:61c402886fbb 40 {
kishino 8:50d2509479cd 41 printf("[C_SNICwifi::initUart] thread cread failed\r\n");
kishino 0:61c402886fbb 42 return -1;
kishino 0:61c402886fbb 43 }
kishino 2:0ba43344c814 44
kishino 0:61c402886fbb 45 return 0;
kishino 0:61c402886fbb 46 }
kishino 0:61c402886fbb 47
kishino 10:49ffd373066b 48 unsigned int C_SNICwifi::preparationSendCommand( unsigned char cmd_id, unsigned char cmd_sid
kishino 10:49ffd373066b 49 , unsigned char *req_buf_p, unsigned int req_buf_len
kishino 10:49ffd373066b 50 , unsigned char *response_buf_p, unsigned char *command_p )
kishino 10:49ffd373066b 51 {
kishino 10:49ffd373066b 52 unsigned char payload_array[UART_REQUEST_PAYLOAD_MAX];
kishino 10:49ffd373066b 53 unsigned short payload_len;
kishino 10:49ffd373066b 54 unsigned int command_len = 0;
kishino 10:49ffd373066b 55
kishino 10:49ffd373066b 56 // Make command payload
kishino 10:49ffd373066b 57 payload_len = C_SNIC_UartMsg::makePayload( req_buf_len, req_buf_p, payload_array );
kishino 10:49ffd373066b 58 // Make all command request
kishino 10:49ffd373066b 59 command_len = C_SNIC_UartMsg::makeRequest( cmd_id, payload_array, payload_len, command_p );
kishino 10:49ffd373066b 60
kishino 10:49ffd373066b 61 // Set data for response
kishino 10:49ffd373066b 62 mUartCommand.setCommandID( cmd_id );
kishino 10:49ffd373066b 63 mUartCommand.setCommandSID( cmd_sid );
kishino 10:49ffd373066b 64 mUartCommand.setResponseBuf( response_buf_p );
kishino 10:49ffd373066b 65
kishino 10:49ffd373066b 66 return command_len;
kishino 10:49ffd373066b 67 }
kishino 10:49ffd373066b 68
kishino 8:50d2509479cd 69 int C_SNICwifi::sendUart( unsigned int len, unsigned char *data )
kishino 0:61c402886fbb 70 {
kishino 2:0ba43344c814 71 int ret = 0;
kishino 2:0ba43344c814 72
kishino 2:0ba43344c814 73 mUartMutex.lock();
kishino 2:0ba43344c814 74 for( int i = 0; i < len; i++ )
kishino 2:0ba43344c814 75 {
kishino 2:0ba43344c814 76 // Write to UART
kishino 2:0ba43344c814 77 ret = mUart.putc( data[i] );
kishino 2:0ba43344c814 78 if( ret == -1 )
kishino 2:0ba43344c814 79 {
kishino 2:0ba43344c814 80 ret = -1;
kishino 2:0ba43344c814 81 break;
kishino 2:0ba43344c814 82 }
kishino 2:0ba43344c814 83 }
kishino 2:0ba43344c814 84 mUartMutex.unlock();
kishino 2:0ba43344c814 85 return ret;
kishino 0:61c402886fbb 86 }
kishino 0:61c402886fbb 87
kishino 9:a98b45e766c8 88 tagMEMPOOL_BLOCK_T *C_SNICwifi::getAlocCmdBuf()
kishino 9:a98b45e766c8 89 {
kishino 9:a98b45e766c8 90 // Get buffer from MemoryPool
kishino 9:a98b45e766c8 91 return mMemPoolPayload.alloc();
kishino 9:a98b45e766c8 92 }
kishino 9:a98b45e766c8 93
kishino 9:a98b45e766c8 94 void C_SNICwifi::freeCmdBuf( tagMEMPOOL_BLOCK_T *buf_p )
kishino 9:a98b45e766c8 95 {
kishino 9:a98b45e766c8 96 mMemPoolPayload.free( buf_p );
kishino 9:a98b45e766c8 97 }
kishino 9:a98b45e766c8 98
kishino 8:50d2509479cd 99 void C_SNICwifi::uartRecvThread (void const *args_p) {
kishino 2:0ba43344c814 100
kishino 8:50d2509479cd 101 C_SNICwifi *instance_p = C_SNICwifi::getInstance();
kishino 0:61c402886fbb 102 if ( instance_p == NULL )
kishino 0:61c402886fbb 103 {
kishino 0:61c402886fbb 104 printf("Socket constructor error: no wifly instance available!\r\n");
kishino 0:61c402886fbb 105 }
kishino 0:61c402886fbb 106
kishino 0:61c402886fbb 107 int recvdata = 0;
kishino 2:0ba43344c814 108 int i;
kishino 2:0ba43344c814 109
kishino 0:61c402886fbb 110 /* UART recv thread main loop */
kishino 0:61c402886fbb 111 for (;;)
kishino 0:61c402886fbb 112 {
kishino 2:0ba43344c814 113 while( instance_p->mUart.readable() )
kishino 2:0ba43344c814 114 {
kishino 2:0ba43344c814 115 // Receive data from UART.
kishino 2:0ba43344c814 116 instance_p->mUartMutex.lock();
kishino 2:0ba43344c814 117 recvdata = instance_p->mUart.getc();
kishino 2:0ba43344c814 118 instance_p->mUartMutex.unlock();
kishino 7:e88ccbe0225f 119
kishino 2:0ba43344c814 120 // Check UART receiving flg
kishino 2:0ba43344c814 121 if( gUART_RCVBUF.is_receive )
kishino 2:0ba43344c814 122 {
kishino 2:0ba43344c814 123 gUART_RCVBUF.buf[ gUART_RCVBUF.size ] = (unsigned char)recvdata;
kishino 2:0ba43344c814 124 gUART_RCVBUF.size++;
kishino 2:0ba43344c814 125 // Check received data is EOM.
kishino 2:0ba43344c814 126 if( recvdata == UART_CMD_EOM )
kishino 2:0ba43344c814 127 {
kishino 3:9f90024d7fb2 128 /*
kishino 2:0ba43344c814 129 printf("[recv]\r\n");
kishino 2:0ba43344c814 130 for( i = 0; i < gUART_RCVBUF.size; i++ )
kishino 2:0ba43344c814 131 {
kishino 2:0ba43344c814 132 printf("%02x ", gUART_RCVBUF.buf[i]);
kishino 2:0ba43344c814 133 }
kishino 2:0ba43344c814 134 printf("\r\n");
kishino 5:ef3befe3edad 135 */
kishino 2:0ba43344c814 136 unsigned char command_id;
kishino 3:9f90024d7fb2 137 // Get payload from received data from UART.
kishino 8:50d2509479cd 138 int payload_len = C_SNIC_UartMsg::getResponsePayload( gUART_RCVBUF.size, gUART_RCVBUF.buf
kishino 3:9f90024d7fb2 139 , &command_id, gUART_TEMP_BUF );
kishino 3:9f90024d7fb2 140 /*
kishino 3:9f90024d7fb2 141 printf("[payload]\r\n");
kishino 3:9f90024d7fb2 142 for( i = 0; i < payload_len; i++ )
kishino 3:9f90024d7fb2 143 {
kishino 3:9f90024d7fb2 144 printf("%02x ", gUART_TEMP_BUF[i]);
kishino 3:9f90024d7fb2 145 }
kishino 3:9f90024d7fb2 146 printf("\r\n");
kishino 5:ef3befe3edad 147 */
kishino 3:9f90024d7fb2 148 // Check scan results indication
kishino 3:9f90024d7fb2 149 if( (command_id == UART_CMD_ID_WIFI) || (gUART_TEMP_BUF[0] == UART_CMD_SID_WIFI_SCAN_RESULT_IND) )
kishino 3:9f90024d7fb2 150 {
kishino 3:9f90024d7fb2 151 // Scan result indicate
kishino 3:9f90024d7fb2 152 instance_p->mUartCommand.scanResultIndicate( gUART_TEMP_BUF, payload_len );
kishino 3:9f90024d7fb2 153 }
kishino 2:0ba43344c814 154
kishino 3:9f90024d7fb2 155 // Checks in the command which is waiting.
kishino 3:9f90024d7fb2 156 if( instance_p->mUartCommand.isWaitingCommand(command_id, gUART_TEMP_BUF) )
kishino 2:0ba43344c814 157 {
kishino 3:9f90024d7fb2 158 // Get buffer for payload data
kishino 3:9f90024d7fb2 159 unsigned char *payload_buf_p = instance_p->mUartCommand.getResponseBuf();
kishino 3:9f90024d7fb2 160 if( payload_buf_p != NULL )
kishino 2:0ba43344c814 161 {
kishino 3:9f90024d7fb2 162 memcpy( payload_buf_p, gUART_TEMP_BUF, payload_len );
kishino 3:9f90024d7fb2 163 instance_p->mUartCommand.setResponseBuf( NULL );
kishino 2:0ba43344c814 164 }
kishino 3:9f90024d7fb2 165 // Set status
kishino 3:9f90024d7fb2 166 instance_p->mUartCommand.setCommandStatus( gUART_TEMP_BUF[2] );
kishino 3:9f90024d7fb2 167 // Set signal for command response wait.
kishino 3:9f90024d7fb2 168 instance_p->mUartCommand.signal();
kishino 2:0ba43344c814 169 }
kishino 3:9f90024d7fb2 170
kishino 2:0ba43344c814 171 gUART_RCVBUF.size = 0;
kishino 2:0ba43344c814 172 gUART_RCVBUF.is_receive = false;
kishino 2:0ba43344c814 173 }
kishino 2:0ba43344c814 174 }
kishino 2:0ba43344c814 175 else
kishino 2:0ba43344c814 176 {
kishino 2:0ba43344c814 177 // Check received data is SOM.
kishino 2:0ba43344c814 178 if( recvdata == UART_CMD_SOM )
kishino 2:0ba43344c814 179 {
kishino 2:0ba43344c814 180 gUART_RCVBUF.size = 0;
kishino 2:0ba43344c814 181 gUART_RCVBUF.buf[ gUART_RCVBUF.size ] = (unsigned char)recvdata;
kishino 2:0ba43344c814 182 gUART_RCVBUF.size++;
kishino 2:0ba43344c814 183 gUART_RCVBUF.is_receive = true;
kishino 2:0ba43344c814 184 }
kishino 2:0ba43344c814 185 }
kishino 7:e88ccbe0225f 186 // Thread::yield();
kishino 2:0ba43344c814 187 }
kishino 2:0ba43344c814 188 Thread::yield();
kishino 0:61c402886fbb 189 }
kishino 0:61c402886fbb 190 }
kishino 0:61c402886fbb 191