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Dependents: SNIC-httpclient-example SNIC-ntpclient-example
Fork of SNICInterface by
SNICwifi/SNICwifi.cpp
- Committer:
- kishino
- Date:
- 2014-03-18
- Revision:
- 9:a98b45e766c8
- Parent:
- 8:50d2509479cd
- Child:
- 10:49ffd373066b
File content as of revision 9:a98b45e766c8:
#include "mbed.h"
#include "SNICwifi.h"
#include "SNICwifi_uartmsg.h"
#include <string>
//#include <algorithm>
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_SNICwifi *C_SNICwifi::mInstance_p;
C_SNICwifi::C_SNICwifi(PinName tx, PinName rx, PinName cts, PinName rts, PinName reset, PinName alarm, int baud):
mUart(tx, rx)
{
mUartRecvThread_p = NULL;
mInstance_p = this;
mUartRequestSeq = 0;
// Initialize uart
gUART_RCVBUF.is_receive = false;
gUART_RCVBUF.size = 0;
mUart.baud( 115200 );
mUart.format(8, SerialBase::None, 1);
}
int C_SNICwifi::initUart()
{
// Create UART recv thread
mUartRecvThread_p = new Thread( C_SNICwifi::uartRecvThread );
if( mUartRecvThread_p == NULL )
{
printf("[C_SNICwifi::initUart] thread cread failed\r\n");
return -1;
}
return 0;
}
int C_SNICwifi::sendUart( unsigned int len, unsigned char *data )
{
int ret = 0;
mUartMutex.lock();
for( int i = 0; i < len; i++ )
{
// Write to UART
ret = mUart.putc( data[i] );
if( ret == -1 )
{
ret = -1;
break;
}
}
mUartMutex.unlock();
return ret;
}
tagMEMPOOL_BLOCK_T *C_SNICwifi::getAlocCmdBuf()
{
// Get buffer from MemoryPool
return mMemPoolPayload.alloc();
}
void C_SNICwifi::freeCmdBuf( tagMEMPOOL_BLOCK_T *buf_p )
{
mMemPoolPayload.free( buf_p );
}
void C_SNICwifi::uartRecvThread (void const *args_p) {
C_SNICwifi *instance_p = C_SNICwifi::getInstance();
if ( instance_p == NULL )
{
printf("Socket constructor error: no wifly instance available!\r\n");
}
int recvdata = 0;
int i;
/* UART recv thread main loop */
for (;;)
{
while( instance_p->mUart.readable() )
{
// Receive data from UART.
instance_p->mUartMutex.lock();
recvdata = instance_p->mUart.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 )
{
/*
printf("[recv]\r\n");
for( i = 0; i < gUART_RCVBUF.size; i++ )
{
printf("%02x ", gUART_RCVBUF.buf[i]);
}
printf("\r\n");
*/
unsigned char command_id;
// Get payload from received data from UART.
int payload_len = C_SNIC_UartMsg::getResponsePayload( gUART_RCVBUF.size, gUART_RCVBUF.buf
, &command_id, gUART_TEMP_BUF );
/*
printf("[payload]\r\n");
for( i = 0; i < payload_len; i++ )
{
printf("%02x ", gUART_TEMP_BUF[i]);
}
printf("\r\n");
*/
// Check scan results indication
if( (command_id == UART_CMD_ID_WIFI) || (gUART_TEMP_BUF[0] == UART_CMD_SID_WIFI_SCAN_RESULT_IND) )
{
// Scan result indicate
instance_p->mUartCommand.scanResultIndicate( gUART_TEMP_BUF, payload_len );
}
// Checks in the command which is waiting.
if( instance_p->mUartCommand.isWaitingCommand(command_id, gUART_TEMP_BUF) )
{
// Get buffer for payload data
unsigned char *payload_buf_p = instance_p->mUartCommand.getResponseBuf();
if( payload_buf_p != NULL )
{
memcpy( payload_buf_p, gUART_TEMP_BUF, payload_len );
instance_p->mUartCommand.setResponseBuf( NULL );
}
// Set status
instance_p->mUartCommand.setCommandStatus( gUART_TEMP_BUF[2] );
// Set signal for command response wait.
instance_p->mUartCommand.signal();
}
gUART_RCVBUF.size = 0;
gUART_RCVBUF.is_receive = false;
}
}
else
{
// Check received data is SOM.
if( recvdata == UART_CMD_SOM )
{
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();
}
}
