unsigned char *
hci_event_handler(void *pRetParams, unsigned char *from, long *fromlen)
{
unsigned char *pucReceivedData, ucArgsize;
unsigned short usLength;
unsigned char *pucReceivedParams;
unsigned short usReceivedEventOpcode = 0;
unsigned long retValue32;
unsigned char * RecvParams;
unsigned char *RetParams;
volatile system_tick_t start = GetSystem1MsTick();
while (1)
{
if (tSLInformation.usEventOrDataReceived == 0)
{
volatile system_tick_t now = GetSystem1MsTick();
volatile system_tick_t elapsed = now - start;
if (elapsed < 0) { // Did we wrap
elapsed = start + now; // yes now
}
if (cc3000__event_timeout_ms && (elapsed >= cc3000__event_timeout_ms))
{
ERROR("Timeout now %ld start %ld elapsed %ld cc3000__event_timeout_ms %ld",now,start,elapsed,cc3000__event_timeout_ms);
ERROR("Timeout waiting on tSLInformation.usRxEventOpcode 0x%04x",tSLInformation.usRxEventOpcode);
// Timeout Return Error for requested Opcode
// This sucks because callers should have initialized pucReceivedParams
switch(tSLInformation.usRxEventOpcode)
{
default:
INVALID_CASE(tSLInformation.usRxEventOpcode);
break;
case HCI_CMND_SIMPLE_LINK_START:
case HCI_CMND_READ_BUFFER_SIZE:
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:
case HCI_EVNT_READ_SP_VERSION:
case HCI_EVNT_SELECT:
*(unsigned char *)pRetParams = -1;
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:
case HCI_EVNT_BSD_GETHOSTBYNAME:
*(int32_t *)pRetParams = -1;
break;
case HCI_EVNT_RECV:
case HCI_EVNT_RECVFROM:
case HCI_EVNT_ACCEPT:
case HCI_EVNT_SEND:
case HCI_EVNT_SENDTO:
case HCI_CMND_GETSOCKOPT:
*(int32_t *)pRetParams = -1;
pRetParams += sizeof(int32_t );
*(int32_t *)pRetParams = -1;
break;
case HCI_CMND_WLAN_IOCTL_GET_SCAN_RESULTS:
*(int32_t *)pRetParams = 0;
break;
case HCI_NETAPP_IPCONFIG:
memset(pRetParams,0,sizeof(tNetappIpconfigRetArgs));
break;
}
break; // Exit Loop
}
}
else
{
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;
tSLInformation.solicitedResponse = 0;
}
}
else
{
if (tSLInformation.usRxDataPending == 0)
{
ERROR("type != HCI_TYPE_EVNT is (%d) usRxDataPending=%d usRxEventOpcode=%u usReceivedEventOpcode=%u",
*pucReceivedData,
tSLInformation.usRxDataPending,
tSLInformation.usRxEventOpcode,
usReceivedEventOpcode);
}
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);
}
// Let's vet length
long length = usLength - ucArgsize;
if (length <= 0 || length > arraySize(wlan_rx_buffer))
{
// Not sane
length = -1;
}
else
{
memcpy(pRetParams, pucReceivedParams + HCI_DATA_HEADER_SIZE + ucArgsize, length);
}
// fixes the Nvram read not returning length
if (fromlen)
{
*fromlen = length;
}
tSLInformation.usRxDataPending = 0;
}
}
tSLInformation.usEventOrDataReceived = 0;
SpiResumeSpi();
// 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))
{
break;
}
}
}
return NULL;
}
/**
* @brief The handler for Interrupt that is generated on SPI at the end of DMA
transfer.
* @param None
* @retval None
*/
void SPI_DMA_IntHandler(void)
{
unsigned long ucTxFinished, ucRxFinished;
unsigned short data_to_recv = 0;
ucTxFinished = DMA_GetFlagStatus(CC3000_SPI_TX_DMA_TCFLAG );
ucRxFinished = DMA_GetFlagStatus(CC3000_SPI_RX_DMA_TCFLAG );
switch(sSpiInformation.ulSpiState)
{
case eSPI_STATE_READ_IRQ:
// Both Done
if (ucTxFinished && ucRxFinished)
{
/* Clear SPI_DMA Interrupt Pending Flags */
DMA_ClearFlag(CC3000_SPI_TX_DMA_TCFLAG | CC3000_SPI_RX_DMA_TCFLAG);
sSpiInformation.ulSpiState = eSPI_STATE_READ_PROCEED;
uint16_t *pnetlen = (uint16_t *) &sSpiInformation.pRxPacket[READ_OFFSET_TO_LENGTH];
data_to_recv = ntohs(*pnetlen);
if (data_to_recv)
{
/* We will read ARRAY_SIZE(spi_readCommand) + data_to_recv. is it odd? */
if ((data_to_recv + arraySize(spi_readCommand)) & 1)
{
/* Odd so make it even */
data_to_recv++;
}
/* Read the whole payload in at the beginning of the buffer
* Will it fit?
*/
SPARK_ASSERT(data_to_recv <= arraySize(wlan_rx_buffer));
SpiIO(eRead,sSpiInformation.pRxPacket,data_to_recv, FALSE);
}
}
break;
case eSPI_STATE_READ_PROCEED:
//
// All the data was read - finalize handling by switching to the task
// and calling from task Event Handler
//
if (ucRxFinished)
{
/* Clear SPI_DMA Interrupt Pending Flags */
DMA_ClearFlag(CC3000_SPI_TX_DMA_TCFLAG | CC3000_SPI_RX_DMA_TCFLAG);
SpiPauseSpi();
SetState(eSPI_STATE_IDLE, eDeAssert);
WARN("CC3000 DmaHandler release read spi bus");
// Call out to the Unsolicited handler
// It will handle the event or leave it there for an outstanding opcode
// It it handles it the it Will resume the SPI ISR
// It it dose not handles it and there are not outstanding Opcodes the it Will resume the SPI ISR
sSpiInformation.SPIRxHandler(sSpiInformation.pRxPacket);
}
break;
case eSPI_STATE_FIRST_WRITE:
case eSPI_STATE_WRITE_PROCEED:
if (ucTxFinished)
{
/* Loop until SPI busy */
while (SPI_I2S_GetFlagStatus(CC3000_SPI, SPI_I2S_FLAG_BSY ) != RESET)
{
}
/* Clear SPI_DMA Interrupt Pending Flags */
DMA_ClearFlag(CC3000_SPI_TX_DMA_TCFLAG | CC3000_SPI_RX_DMA_TCFLAG);
if ( sSpiInformation.ulSpiState == eSPI_STATE_FIRST_WRITE)
{
sSpiInformation.ulSpiState = eSPI_STATE_WRITE_PROCEED;
}
else
{
SetState(eSPI_STATE_IDLE, eDeAssert);
WARN("CC3000 DmaHandler release write spi bus");
}
}
break;
default:
INVALID_CASE(sSpiInformation.ulSpiState);
break;
}
}
