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circuitpython/drivers/cc3000/src/evnt_handler.c

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/*****************************************************************************
*
* evnt_handler.c - CC3000 Host Driver Implementation.
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
//*****************************************************************************
//
//! \addtogroup evnt_handler_api
//! @{
//
//******************************************************************************
//******************************************************************************
// INCLUDE FILES
//******************************************************************************
#include "cc3000_common.h"
#include "string.h"
#include "hci.h"
#include "evnt_handler.h"
#include "wlan.h"
#include "socket.h"
#include "netapp.h"
#include "ccspi.h"
//*****************************************************************************
// COMMON DEFINES
//*****************************************************************************
#define FLOW_CONTROL_EVENT_HANDLE_OFFSET (0)
#define FLOW_CONTROL_EVENT_BLOCK_MODE_OFFSET (1)
#define FLOW_CONTROL_EVENT_FREE_BUFFS_OFFSET (2)
#define FLOW_CONTROL_EVENT_SIZE (4)
#define BSD_RSP_PARAMS_SOCKET_OFFSET (0)
#define BSD_RSP_PARAMS_STATUS_OFFSET (4)
#define GET_HOST_BY_NAME_RETVAL_OFFSET (0)
#define GET_HOST_BY_NAME_ADDR_OFFSET (4)
#define ACCEPT_SD_OFFSET (0)
#define ACCEPT_RETURN_STATUS_OFFSET (4)
#define ACCEPT_ADDRESS__OFFSET (8)
#define SL_RECEIVE_SD_OFFSET (0)
#define SL_RECEIVE_NUM_BYTES_OFFSET (4)
#define SL_RECEIVE__FLAGS__OFFSET (8)
#define SELECT_STATUS_OFFSET (0)
#define SELECT_READFD_OFFSET (4)
#define SELECT_WRITEFD_OFFSET (8)
#define SELECT_EXFD_OFFSET (12)
#define NETAPP_IPCONFIG_IP_OFFSET (0)
#define NETAPP_IPCONFIG_SUBNET_OFFSET (4)
#define NETAPP_IPCONFIG_GW_OFFSET (8)
#define NETAPP_IPCONFIG_DHCP_OFFSET (12)
#define NETAPP_IPCONFIG_DNS_OFFSET (16)
#define NETAPP_IPCONFIG_MAC_OFFSET (20)
#define NETAPP_IPCONFIG_SSID_OFFSET (26)
#define NETAPP_IPCONFIG_IP_LENGTH (4)
#define NETAPP_IPCONFIG_MAC_LENGTH (6)
#define NETAPP_IPCONFIG_SSID_LENGTH (32)
#define NETAPP_PING_PACKETS_SENT_OFFSET (0)
#define NETAPP_PING_PACKETS_RCVD_OFFSET (4)
#define NETAPP_PING_MIN_RTT_OFFSET (8)
#define NETAPP_PING_MAX_RTT_OFFSET (12)
#define NETAPP_PING_AVG_RTT_OFFSET (16)
#define GET_SCAN_RESULTS_TABlE_COUNT_OFFSET (0)
#define GET_SCAN_RESULTS_SCANRESULT_STATUS_OFFSET (4)
#define GET_SCAN_RESULTS_ISVALID_TO_SSIDLEN_OFFSET (8)
#define GET_SCAN_RESULTS_FRAME_TIME_OFFSET (10)
#define GET_SCAN_RESULTS_SSID_MAC_LENGTH (38)
#define GET_MSS_VAL_RETVAL_OFFSET (0)
//*****************************************************************************
// GLOBAL VARAIABLES
//*****************************************************************************
UINT32 socket_active_status = SOCKET_STATUS_INIT_VAL;
//*****************************************************************************
// Prototypes for the static functions
//*****************************************************************************
static INT32 hci_event_unsol_flowcontrol_handler(CHAR *pEvent);
static void update_socket_active_status(CHAR *resp_params);
//*****************************************************************************
//
//! hci_unsol_handle_patch_request
//!
//! @param event_hdr event header
//!
//! @return none
//!
//! @brief Handle unsolicited event from type patch request
//
//*****************************************************************************
void hci_unsol_handle_patch_request(CHAR *event_hdr)
{
CHAR *params = (CHAR *)(event_hdr) + HCI_EVENT_HEADER_SIZE;
UINT32 ucLength = 0;
CHAR *patch;
switch (*params)
{
case HCI_EVENT_PATCHES_DRV_REQ:
if (tSLInformation.sDriverPatches)
{
patch = tSLInformation.sDriverPatches(&ucLength);
if (patch)
{
hci_patch_send(HCI_EVENT_PATCHES_DRV_REQ,
tSLInformation.pucTxCommandBuffer, patch, ucLength);
return;
}
}
// Send 0 length Patches response event
hci_patch_send(HCI_EVENT_PATCHES_DRV_REQ,
tSLInformation.pucTxCommandBuffer, 0, 0);
break;
case HCI_EVENT_PATCHES_FW_REQ:
if (tSLInformation.sFWPatches)
{
patch = tSLInformation.sFWPatches(&ucLength);
// Build and send a patch
if (patch)
{
hci_patch_send(HCI_EVENT_PATCHES_FW_REQ,
tSLInformation.pucTxCommandBuffer, patch, ucLength);
return;
}
}
// Send 0 length Patches response event
hci_patch_send(HCI_EVENT_PATCHES_FW_REQ,
tSLInformation.pucTxCommandBuffer, 0, 0);
break;
case HCI_EVENT_PATCHES_BOOTLOAD_REQ:
if (tSLInformation.sBootLoaderPatches)
{
patch = tSLInformation.sBootLoaderPatches(&ucLength);
if (patch)
{
hci_patch_send(HCI_EVENT_PATCHES_BOOTLOAD_REQ,
tSLInformation.pucTxCommandBuffer, patch, ucLength);
return;
}
}
// Send 0 length Patches response event
hci_patch_send(HCI_EVENT_PATCHES_BOOTLOAD_REQ,
tSLInformation.pucTxCommandBuffer, 0, 0);
break;
}
}
//*****************************************************************************
//
//! hci_event_handler
//!
//! @param pRetParams incoming data buffer
//! @param from from information (in case of data received)
//! @param fromlen from information length (in case of data received)
//!
//! @return none
//!
//! @brief Parse the incoming events packets and issues corresponding
//! event handler from global array of handlers pointers
//
//*****************************************************************************
UINT8 * hci_event_handler(void *pRetParams, UINT8 *from, UINT8 *fromlen)
{
UINT8 *pucReceivedData, ucArgsize;
UINT16 usLength;
UINT8 *pucReceivedParams;
UINT16 usReceivedEventOpcode = 0;
UINT32 retValue32;
UINT8 * RecvParams;
UINT8 *RetParams;
while (1)
{
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
,*(UINT8 *)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
,*(UINT32 *)pRetParams);
break;
case HCI_EVNT_READ_SP_VERSION:
STREAM_TO_UINT8(pucReceivedData, HCI_EVENT_STATUS_OFFSET
,*(UINT8 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 1;
STREAM_TO_UINT32((CHAR *)pucReceivedParams, 0, retValue32);
UINT32_TO_STREAM((UINT8 *)pRetParams, retValue32);
break;
case HCI_EVNT_BSD_GETHOSTBYNAME:
STREAM_TO_UINT32((CHAR *)pucReceivedParams
,GET_HOST_BY_NAME_RETVAL_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams
,GET_HOST_BY_NAME_ADDR_OFFSET,*(UINT32 *)pRetParams);
break;
case HCI_EVNT_GETMSSVALUE:
STREAM_TO_UINT16((CHAR *)pucReceivedParams
,GET_MSS_VAL_RETVAL_OFFSET,*(UINT16 *)pRetParams);
break;
case HCI_EVNT_ACCEPT:
{
STREAM_TO_UINT32((CHAR *)pucReceivedParams,ACCEPT_SD_OFFSET
,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams
,ACCEPT_RETURN_STATUS_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
//This argument returns in network order
memcpy((UINT8 *)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 ,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams,SL_RECEIVE_NUM_BYTES_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams,SL_RECEIVE__FLAGS__OFFSET,*(UINT32 *)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 ,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams,SL_RECEIVE_NUM_BYTES_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
break;
}
case HCI_EVNT_SELECT:
{
STREAM_TO_UINT32((CHAR *)pucReceivedParams,SELECT_STATUS_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams,SELECT_READFD_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams,SELECT_WRITEFD_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams,SELECT_EXFD_OFFSET,*(UINT32 *)pRetParams);
break;
}
case HCI_CMND_GETSOCKOPT:
STREAM_TO_UINT8(pucReceivedData, HCI_EVENT_STATUS_OFFSET,((tBsdGetSockOptReturnParams *)pRetParams)->iStatus);
//This argument returns in network order
memcpy((UINT8 *)pRetParams, pucReceivedParams, 4);
break;
case HCI_CMND_WLAN_IOCTL_GET_SCAN_RESULTS:
STREAM_TO_UINT32((CHAR *)pucReceivedParams,GET_SCAN_RESULTS_TABlE_COUNT_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT32((CHAR *)pucReceivedParams,GET_SCAN_RESULTS_SCANRESULT_STATUS_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 4;
STREAM_TO_UINT16((CHAR *)pucReceivedParams,GET_SCAN_RESULTS_ISVALID_TO_SSIDLEN_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 2;
STREAM_TO_UINT16((CHAR *)pucReceivedParams,GET_SCAN_RESULTS_FRAME_TIME_OFFSET,*(UINT32 *)pRetParams);
pRetParams = ((CHAR *)pRetParams) + 2;
memcpy((UINT8 *)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, *(UINT32 *)fromlen);
memcpy(from, (pucReceivedData + HCI_DATA_HEADER_SIZE + BSD_RECV_FROM_FROM_OFFSET) ,*fromlen);
}
memcpy(pRetParams, pucReceivedParams + HCI_DATA_HEADER_SIZE + ucArgsize,
usLength - ucArgsize);
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))
{
return NULL;
}
}
}
}
//*****************************************************************************
//
//! hci_unsol_event_handler
//!
//! @param event_hdr event header
//!
//! @return 1 if event supported and handled
//! 0 if event is not supported
//!
//! @brief Handle unsolicited events
//
//*****************************************************************************
INT32 hci_unsol_event_handler(CHAR *event_hdr)
{
CHAR * data = NULL;
INT32 event_type;
UINT32 NumberOfReleasedPackets;
UINT32 NumberOfSentPackets;
STREAM_TO_UINT16(event_hdr, HCI_EVENT_OPCODE_OFFSET,event_type);
if (event_type & HCI_EVNT_UNSOL_BASE)
{
switch(event_type)
{
case HCI_EVNT_DATA_UNSOL_FREE_BUFF:
{
hci_event_unsol_flowcontrol_handler(event_hdr);
NumberOfReleasedPackets = tSLInformation.NumberOfReleasedPackets;
NumberOfSentPackets = tSLInformation.NumberOfSentPackets;
if (NumberOfReleasedPackets == NumberOfSentPackets)
{
if (tSLInformation.InformHostOnTxComplete)
{
tSLInformation.sWlanCB(HCI_EVENT_CC3000_CAN_SHUT_DOWN, NULL, 0);
}
}
return 1;
}
}
}
if(event_type & HCI_EVNT_WLAN_UNSOL_BASE)
{
switch(event_type)
{
case HCI_EVNT_WLAN_KEEPALIVE:
case HCI_EVNT_WLAN_UNSOL_CONNECT:
case HCI_EVNT_WLAN_UNSOL_DISCONNECT:
case HCI_EVNT_WLAN_UNSOL_INIT:
case HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE:
if( tSLInformation.sWlanCB )
{
tSLInformation.sWlanCB(event_type, 0, 0);
}
break;
case HCI_EVNT_WLAN_UNSOL_DHCP:
{
UINT8 params[NETAPP_IPCONFIG_MAC_OFFSET + 1]; // extra byte is for the status
UINT8 *recParams = params;
data = (CHAR*)(event_hdr) + HCI_EVENT_HEADER_SIZE;
//Read IP address
STREAM_TO_STREAM(data,recParams,NETAPP_IPCONFIG_IP_LENGTH);
data += 4;
//Read subnet
STREAM_TO_STREAM(data,recParams,NETAPP_IPCONFIG_IP_LENGTH);
data += 4;
//Read default GW
STREAM_TO_STREAM(data,recParams,NETAPP_IPCONFIG_IP_LENGTH);
data += 4;
//Read DHCP server
STREAM_TO_STREAM(data,recParams,NETAPP_IPCONFIG_IP_LENGTH);
data += 4;
//Read DNS server
STREAM_TO_STREAM(data,recParams,NETAPP_IPCONFIG_IP_LENGTH);
// read the status
STREAM_TO_UINT8(event_hdr, HCI_EVENT_STATUS_OFFSET, *recParams);
if( tSLInformation.sWlanCB )
{
tSLInformation.sWlanCB(event_type, (CHAR *)params, sizeof(params));
}
}
break;
case HCI_EVNT_WLAN_ASYNC_PING_REPORT:
{
netapp_pingreport_args_t params;
data = (CHAR*)(event_hdr) + HCI_EVENT_HEADER_SIZE;
STREAM_TO_UINT32(data, NETAPP_PING_PACKETS_SENT_OFFSET, params.packets_sent);
STREAM_TO_UINT32(data, NETAPP_PING_PACKETS_RCVD_OFFSET, params.packets_received);
STREAM_TO_UINT32(data, NETAPP_PING_MIN_RTT_OFFSET, params.min_round_time);
STREAM_TO_UINT32(data, NETAPP_PING_MAX_RTT_OFFSET, params.max_round_time);
STREAM_TO_UINT32(data, NETAPP_PING_AVG_RTT_OFFSET, params.avg_round_time);
if( tSLInformation.sWlanCB )
{
tSLInformation.sWlanCB(event_type, (CHAR *)&params, sizeof(params));
}
}
break;
case HCI_EVNT_BSD_TCP_CLOSE_WAIT:
{
data = (CHAR *)(event_hdr) + HCI_EVENT_HEADER_SIZE;
if( tSLInformation.sWlanCB )
{
//data[0] represents the socket id, for which FIN was received by remote.
//Upon receiving this event, the user can close the socket, or else the
//socket will be closded after inacvitity timeout (by default 60 seconds)
tSLInformation.sWlanCB(event_type, data, 1);
}
}
break;
//'default' case which means "event not supported"
default:
return (0);
}
return(1);
}
if ((event_type == HCI_EVNT_SEND) || (event_type == HCI_EVNT_SENDTO)
|| (event_type == HCI_EVNT_WRITE))
{
CHAR *pArg;
INT32 status;
pArg = M_BSD_RESP_PARAMS_OFFSET(event_hdr);
STREAM_TO_UINT32(pArg, BSD_RSP_PARAMS_STATUS_OFFSET,status);
if (ERROR_SOCKET_INACTIVE == status)
{
// The only synchronous event that can come from SL device in form of
// command complete is "Command Complete" on data sent, in case SL device
// was unable to transmit
STREAM_TO_UINT8(event_hdr, HCI_EVENT_STATUS_OFFSET, tSLInformation.slTransmitDataError);
update_socket_active_status(M_BSD_RESP_PARAMS_OFFSET(event_hdr));
return (1);
}
else
return (0);
}
//handle a case where unsolicited event arrived, but was not handled by any of the cases above
if ((event_type != tSLInformation.usRxEventOpcode) && (event_type != HCI_EVNT_PATCHES_REQ))
{
return(1);
}
return(0);
}
//*****************************************************************************
//
//! hci_unsolicited_event_handler
//!
//! @param None
//!
//! @return ESUCCESS if successful, EFAIL if an error occurred
//!
//! @brief Parse the incoming unsolicited event packets and issues
//! corresponding event handler.
//
//*****************************************************************************
INT32 hci_unsolicited_event_handler(void)
{
UINT32 res = 0;
UINT8 *pucReceivedData;
if (tSLInformation.usEventOrDataReceived != 0)
{
pucReceivedData = (tSLInformation.pucReceivedData);
if (*pucReceivedData == HCI_TYPE_EVNT)
{
// In case unsolicited event received - here the handling finished
if (hci_unsol_event_handler((CHAR *)pucReceivedData) == 1)
{
// There was an unsolicited event received - we can release the buffer
// and clean the event received
tSLInformation.usEventOrDataReceived = 0;
res = 1;
SpiResumeSpi();
}
}
}
return res;
}
//*****************************************************************************
//
//! set_socket_active_status
//!
//! @param Sd
//! @param Status
//! @return none
//!
//! @brief Check if the socket ID and status are valid and set
//! accordingly the global socket status
//
//*****************************************************************************
void set_socket_active_status(INT32 Sd, INT32 Status)
{
if(M_IS_VALID_SD(Sd) && M_IS_VALID_STATUS(Status))
{
socket_active_status &= ~(1 << Sd); /* clean socket's mask */
socket_active_status |= (Status << Sd); /* set new socket's mask */
}
}
//*****************************************************************************
//
//! hci_event_unsol_flowcontrol_handler
//!
//! @param pEvent pointer to the string contains parameters for IPERF
//! @return ESUCCESS if successful, EFAIL if an error occurred
//!
//! @brief Called in case unsolicited event from type
//! HCI_EVNT_DATA_UNSOL_FREE_BUFF has received.
//! Keep track on the number of packets transmitted and update the
//! number of free buffer in the SL device.
//
//*****************************************************************************
INT32 hci_event_unsol_flowcontrol_handler(CHAR *pEvent)
{
INT32 temp, value;
UINT16 i;
UINT16 pusNumberOfHandles=0;
CHAR *pReadPayload;
STREAM_TO_UINT16((CHAR *)pEvent,HCI_EVENT_HEADER_SIZE,pusNumberOfHandles);
pReadPayload = ((CHAR *)pEvent +
HCI_EVENT_HEADER_SIZE + sizeof(pusNumberOfHandles));
temp = 0;
for(i = 0; i < pusNumberOfHandles ; i++)
{
STREAM_TO_UINT16(pReadPayload, FLOW_CONTROL_EVENT_FREE_BUFFS_OFFSET, value);
temp += value;
pReadPayload += FLOW_CONTROL_EVENT_SIZE;
}
tSLInformation.usNumberOfFreeBuffers += temp;
tSLInformation.NumberOfReleasedPackets += temp;
return(ESUCCESS);
}
//*****************************************************************************
//
//! get_socket_active_status
//!
//! @param Sd Socket IS
//! @return Current status of the socket.
//!
//! @brief Retrieve socket status
//
//*****************************************************************************
INT32 get_socket_active_status(INT32 Sd)
{
if(M_IS_VALID_SD(Sd))
{
return (socket_active_status & (1 << Sd)) ? SOCKET_STATUS_INACTIVE : SOCKET_STATUS_ACTIVE;
}
return SOCKET_STATUS_INACTIVE;
}
//*****************************************************************************
//
//! update_socket_active_status
//!
//! @param resp_params Socket IS
//! @return Current status of the socket.
//!
//! @brief Retrieve socket status
//
//*****************************************************************************
void update_socket_active_status(CHAR *resp_params)
{
INT32 status, sd;
STREAM_TO_UINT32(resp_params, BSD_RSP_PARAMS_SOCKET_OFFSET,sd);
STREAM_TO_UINT32(resp_params, BSD_RSP_PARAMS_STATUS_OFFSET,status);
if(ERROR_SOCKET_INACTIVE == status)
{
set_socket_active_status(sd, SOCKET_STATUS_INACTIVE);
}
}
//*****************************************************************************
//
//! SimpleLinkWaitEvent
//!
//! @param usOpcode command operation code
//! @param pRetParams command return parameters
//!
//! @return none
//!
//! @brief Wait for event, pass it to the hci_event_handler and
//! update the event opcode in a global variable.
//
//*****************************************************************************
void SimpleLinkWaitEvent(UINT16 usOpcode, void *pRetParams)
{
// In the blocking implementation the control to caller will be returned only
// after the end of current transaction
tSLInformation.usRxEventOpcode = usOpcode;
hci_event_handler(pRetParams, 0, 0);
}
//*****************************************************************************
//
//! SimpleLinkWaitData
//!
//! @param pBuf data buffer
//! @param from from information
//! @param fromlen from information length
//!
//! @return none
//!
//! @brief Wait for data, pass it to the hci_event_handler
//! and update in a global variable that there is
//! data to read.
//
//*****************************************************************************
void SimpleLinkWaitData(UINT8 *pBuf, UINT8 *from, UINT8 *fromlen)
{
// In the blocking implementation the control to caller will be returned only
// after the end of current transaction, i.e. only after data will be received
tSLInformation.usRxDataPending = 1;
hci_event_handler(pBuf, from, fromlen);
}
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
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