Example #1
0
long
cc3000_spi_write(unsigned char *pUserBuffer, unsigned short usLength)
{

    cc3000_irq_disable();

    unsigned char ucPad = 0;

    // Figure out the total length of the packet in order to figure out if there
    // is padding or not
    if(!(usLength & 0x0001))
    {
        ucPad++;
    }

    pUserBuffer[0] = WRITE;
    pUserBuffer[1] = HI(usLength + ucPad);
    pUserBuffer[2] = LO(usLength + ucPad);
    pUserBuffer[3] = 0;
    pUserBuffer[4] = 0;

    usLength += (SPI_HEADER_SIZE + ucPad);

    // The magic number that resides at the end of the TX/RX buffer (1 byte after
    // the allocated size) for the purpose of detection of the overrun. If the
    // magic number is overwritten - buffer overrun occurred - and we will stuck
    // here forever!
    if (wlan_tx_buffer[CC3000_TX_BUFFER_SIZE - 1] != CC3000_BUFFER_MAGIC_NUMBER)
    {
        while (1)
            ;
    }

    if (sSpiInformation.ulSpiState == eSPI_STATE_POWERUP)
    {
        while (sSpiInformation.ulSpiState != eSPI_STATE_INITIALIZED)
            ;
    }

    if (sSpiInformation.ulSpiState == eSPI_STATE_INITIALIZED)
    {
        // This is time for first TX/RX transactions over SPI: the IRQ is down -
        // so need to send read buffer size command
        SpiFirstWrite(pUserBuffer, usLength);
    }
    else
    {
        // Assert the CS line and wait till SSI IRQ line is active and then
        // initialize write operation
        ASSERT_CS();
        while (cc3000_read_irq_pin()) ; // wait for the IRQ line to go low
        SpiWriteDataSynchronous(pUserBuffer, usLength);
        DEASSERT_CS();
    }

    cc3000_irq_enable();

    return(0);
}
Example #2
0
unsigned char *
hci_event_handler(void *pRetParams, unsigned char *from, unsigned char *fromlen)
{
	unsigned char *pucReceivedData, ucArgsize;
	unsigned short usLength;
	unsigned char *pucReceivedParams;
	unsigned short usReceivedEventOpcode = 0;
	unsigned long retValue32;
    unsigned char * RecvParams;
    unsigned char *RetParams;

    JsSysTime timeout = jshGetSystemTime() + jshGetTimeFromMilliseconds(10000); // blocking for 10 seconds (!!!)

	cc3000_irq_disable();
	while (!jspIsInterrupted())
	{
		if (tSLInformation.usEventOrDataReceived != 0)
		{				
			pucReceivedData = (tSLInformation.pucReceivedData);

			if (*pucReceivedData == HCI_TYPE_EVNT)
			{
				// Event Received
				STREAM_TO_UINT16((char *)pucReceivedData, HCI_EVENT_OPCODE_OFFSET,
												 usReceivedEventOpcode);
				pucReceivedParams = pucReceivedData + HCI_EVENT_HEADER_SIZE;		
				RecvParams = pucReceivedParams;
				RetParams = pRetParams;
				
				// In case unsolicited event received - here the handling finished
				if (hci_unsol_event_handler((char *)pucReceivedData) == 0)
				{
					STREAM_TO_UINT8(pucReceivedData, HCI_DATA_LENGTH_OFFSET, usLength);
					
					switch(usReceivedEventOpcode)
					{		
					case HCI_CMND_READ_BUFFER_SIZE:
						{
							STREAM_TO_UINT8((char *)pucReceivedParams, 0, 
															tSLInformation.usNumberOfFreeBuffers);
							STREAM_TO_UINT16((char *)pucReceivedParams, 1, 
															 tSLInformation.usSlBufferLength);
						}
						break;
						
					case HCI_CMND_WLAN_CONFIGURE_PATCH:
					case HCI_NETAPP_DHCP:
					case HCI_NETAPP_PING_SEND:
					case HCI_NETAPP_PING_STOP:
					case HCI_NETAPP_ARP_FLUSH:
					case HCI_NETAPP_SET_DEBUG_LEVEL:
					case HCI_NETAPP_SET_TIMERS:
					case HCI_EVNT_NVMEM_READ:
					case HCI_EVNT_NVMEM_CREATE_ENTRY:
					case HCI_CMND_NVMEM_WRITE_PATCH:
					case HCI_NETAPP_PING_REPORT:
					case HCI_EVNT_MDNS_ADVERTISE:
						
						STREAM_TO_UINT8(pucReceivedData, HCI_EVENT_STATUS_OFFSET
														,*(unsigned char *)pRetParams);
						break;
						
					case HCI_CMND_SETSOCKOPT:
					case HCI_CMND_WLAN_CONNECT:
					case HCI_CMND_WLAN_IOCTL_STATUSGET:
					case HCI_EVNT_WLAN_IOCTL_ADD_PROFILE:
					case HCI_CMND_WLAN_IOCTL_DEL_PROFILE:
					case HCI_CMND_WLAN_IOCTL_SET_CONNECTION_POLICY:
					case HCI_CMND_WLAN_IOCTL_SET_SCANPARAM:
					case HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_START:
					case HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_STOP:
					case HCI_CMND_WLAN_IOCTL_SIMPLE_CONFIG_SET_PREFIX:
					case HCI_CMND_EVENT_MASK:
					case HCI_EVNT_WLAN_DISCONNECT:
					case HCI_EVNT_SOCKET:
					case HCI_EVNT_BIND:
					case HCI_CMND_LISTEN:
					case HCI_EVNT_CLOSE_SOCKET:
					case HCI_EVNT_CONNECT:
					case HCI_EVNT_NVMEM_WRITE:
						
						STREAM_TO_UINT32((char *)pucReceivedParams,0
														 ,*(unsigned long *)pRetParams);
						break;
						
					case HCI_EVNT_READ_SP_VERSION:
						
						STREAM_TO_UINT8(pucReceivedData, HCI_EVENT_STATUS_OFFSET
														,*(unsigned char *)pRetParams);
						pRetParams = ((char *)pRetParams) + 1;
						STREAM_TO_UINT32((char *)pucReceivedParams, 0, retValue32);
						UINT32_TO_STREAM((unsigned char *)pRetParams, retValue32);				
						break;
						
					case HCI_EVNT_BSD_GETHOSTBYNAME:
						
						STREAM_TO_UINT32((char *)pucReceivedParams
						      ,GET_HOST_BY_NAME_RETVAL_OFFSET,*(unsigned long *)pRetParams);
						pRetParams = ((char *)pRetParams) + 4;
						STREAM_TO_UINT32((char *)pucReceivedParams
									,GET_HOST_BY_NAME_ADDR_OFFSET,*(unsigned long *)pRetParams);					
						break;
						
					case HCI_EVNT_ACCEPT:
						{
							STREAM_TO_UINT32((char *)pucReceivedParams,ACCEPT_SD_OFFSET
															 ,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							STREAM_TO_UINT32((char *)pucReceivedParams
										,ACCEPT_RETURN_STATUS_OFFSET,*(unsigned long *)pRetParams);
              pRetParams = ((char *)pRetParams) + 4; 
							
							//This argument returns in network order
							memcpy((unsigned char *)pRetParams, 
								  pucReceivedParams + ACCEPT_ADDRESS__OFFSET, sizeof(sockaddr));	
							break;
						}
						
					case HCI_EVNT_RECV:
					case HCI_EVNT_RECVFROM:
						{
							STREAM_TO_UINT32((char *)pucReceivedParams,SL_RECEIVE_SD_OFFSET ,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							STREAM_TO_UINT32((char *)pucReceivedParams,SL_RECEIVE_NUM_BYTES_OFFSET,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							STREAM_TO_UINT32((char *)pucReceivedParams,SL_RECEIVE__FLAGS__OFFSET,*(unsigned long *)pRetParams);
							
							if(((tBsdReadReturnParams *)pRetParams)->iNumberOfBytes == ERROR_SOCKET_INACTIVE)
							{
								set_socket_active_status(((tBsdReadReturnParams *)pRetParams)->iSocketDescriptor,SOCKET_STATUS_INACTIVE);
							}
							break;
						}
                                                
                                        case HCI_EVNT_SEND:
					case HCI_EVNT_SENDTO:
						{
							STREAM_TO_UINT32((char *)pucReceivedParams,SL_RECEIVE_SD_OFFSET ,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							STREAM_TO_UINT32((char *)pucReceivedParams,SL_RECEIVE_NUM_BYTES_OFFSET,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							
							break;
						}
						
					case HCI_EVNT_SELECT:
						{ 
							STREAM_TO_UINT32((char *)pucReceivedParams,SELECT_STATUS_OFFSET,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							STREAM_TO_UINT32((char *)pucReceivedParams,SELECT_READFD_OFFSET,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							STREAM_TO_UINT32((char *)pucReceivedParams,SELECT_WRITEFD_OFFSET,*(unsigned long *)pRetParams);
							pRetParams = ((char *)pRetParams) + 4;
							STREAM_TO_UINT32((char *)pucReceivedParams,SELECT_EXFD_OFFSET,*(unsigned long *)pRetParams);			
							break;
						}
						
					case HCI_CMND_GETSOCKOPT:
						
						STREAM_TO_UINT8(pucReceivedData, HCI_EVENT_STATUS_OFFSET,((tBsdGetSockOptReturnParams *)pRetParams)->iStatus);
						//This argument returns in network order
						memcpy((unsigned char *)pRetParams, pucReceivedParams, 4);
						break;
						
					case HCI_CMND_WLAN_IOCTL_GET_SCAN_RESULTS:
						
						STREAM_TO_UINT32((char *)pucReceivedParams,GET_SCAN_RESULTS_TABlE_COUNT_OFFSET,*(unsigned long *)pRetParams);
						pRetParams = ((char *)pRetParams) + 4;   					
						STREAM_TO_UINT32((char *)pucReceivedParams,GET_SCAN_RESULTS_SCANRESULT_STATUS_OFFSET,*(unsigned long *)pRetParams);
						pRetParams = ((char *)pRetParams) + 4;                                                        					
						STREAM_TO_UINT16((char *)pucReceivedParams,GET_SCAN_RESULTS_ISVALID_TO_SSIDLEN_OFFSET,*(unsigned long *)pRetParams);
						pRetParams = ((char *)pRetParams) + 2;   					
						STREAM_TO_UINT16((char *)pucReceivedParams,GET_SCAN_RESULTS_FRAME_TIME_OFFSET,*(unsigned long *)pRetParams);
						pRetParams = ((char *)pRetParams) + 2;  
						memcpy((unsigned char *)pRetParams, (char *)(pucReceivedParams + GET_SCAN_RESULTS_FRAME_TIME_OFFSET + 2), GET_SCAN_RESULTS_SSID_MAC_LENGTH);	
						break;
						
					case HCI_CMND_SIMPLE_LINK_START:
						break;
						
					case HCI_NETAPP_IPCONFIG:
						
						//Read IP address
						STREAM_TO_STREAM(RecvParams,RetParams,NETAPP_IPCONFIG_IP_LENGTH);
						RecvParams += 4;
						
						//Read subnet
						STREAM_TO_STREAM(RecvParams,RetParams,NETAPP_IPCONFIG_IP_LENGTH);
						RecvParams += 4;
						
						//Read default GW
						STREAM_TO_STREAM(RecvParams,RetParams,NETAPP_IPCONFIG_IP_LENGTH);
						RecvParams += 4;
						
						//Read DHCP server                                          	
						STREAM_TO_STREAM(RecvParams,RetParams,NETAPP_IPCONFIG_IP_LENGTH);
						RecvParams += 4;
						
						//Read DNS server                                           
						STREAM_TO_STREAM(RecvParams,RetParams,NETAPP_IPCONFIG_IP_LENGTH);
						RecvParams += 4;
						
						//Read Mac address                            	
						STREAM_TO_STREAM(RecvParams,RetParams,NETAPP_IPCONFIG_MAC_LENGTH);
						RecvParams += 6;
						
						//Read SSID
						STREAM_TO_STREAM(RecvParams,RetParams,NETAPP_IPCONFIG_SSID_LENGTH);
	
					}
				}
				
				if (usReceivedEventOpcode == tSLInformation.usRxEventOpcode)
				{
					tSLInformation.usRxEventOpcode = 0;
				}
			}
			else
			{
				pucReceivedParams = pucReceivedData;
				STREAM_TO_UINT8((char *)pucReceivedData, HCI_PACKET_ARGSIZE_OFFSET, ucArgsize);
				
				STREAM_TO_UINT16((char *)pucReceivedData, HCI_PACKET_LENGTH_OFFSET, usLength);

				// Data received: note that the only case where from and from length 
				// are not null is in recv from, so fill the args accordingly
				if (from)
				{
					STREAM_TO_UINT32((char *)(pucReceivedData + HCI_DATA_HEADER_SIZE), BSD_RECV_FROM_FROMLEN_OFFSET, *(unsigned long *)fromlen);
					memcpy(from, (pucReceivedData + HCI_DATA_HEADER_SIZE + BSD_RECV_FROM_FROM_OFFSET) ,*fromlen);
				}
				
				if (pRetParams) // GW: just in case. It'll probably still crash though :(
				  memcpy(pRetParams, pucReceivedParams + HCI_DATA_HEADER_SIZE + ucArgsize,
							 usLength - ucArgsize);
				
				tSLInformation.usRxDataPending = 0;
			}
		
			tSLInformation.usEventOrDataReceived = 0;
			
			cc3000_spi_resume();
			
			// Since we are going to TX - we need to handle this event after the 
			// ResumeSPi since we need interrupts
			if ((*pucReceivedData == HCI_TYPE_EVNT) &&
					(usReceivedEventOpcode == HCI_EVNT_PATCHES_REQ))
			{
				hci_unsol_handle_patch_request((char *)pucReceivedData);
			}
			
			if ((tSLInformation.usRxEventOpcode == 0) && (tSLInformation.usRxDataPending == 0))
			{
			  cc3000_irq_enable();
		      return NULL;
			}	
		} else
		    cc3000_check_irq_pin();

		if (jshGetSystemTime() > timeout) {
                  jspSetInterrupted(true);
		  jsError("Timeout in CC3000 driver (%d)", tSLInformation.usRxEventOpcode);
		  break;
		}
	}
	cc3000_irq_enable();
        return NULL;
}