[经验]

【大联大世平ON Semiconductor BLE5.0 RSL10开发板试用体验】+ CC2541主机连接安森美从机

长兵陈

2020-9-20 16:46:51

1297

`今天搞了一下CC2541主机连接安森美从机。
CC2541主机是4.0，部分代码：

/*********************************************************************
* @fn simpleBLECentralEventCB
*
* [url=home.php?mod=space&uid=2666770]@Brief[/url] Central event callback function.
*
* [url=home.php?mod=space&uid=3142012]@param[/url] pEvent - pointer to event structure
*
* [url=home.php?mod=space&uid=1141835]@Return[/url] none
*/
static void simpleBLECentralEventCB( gapCentralRoleEvent_t *pEvent )
{
switch ( pEvent->gap.opcode )
{
case GAP_DEVICE_INIT_DONE_EVENT:
{
LCD_WRITE_STRING( "BLE Central", HAL_LCD_LINE_1 );
LCD_WRITE_STRING( bdAddr2Str( pEvent->initDone.devAddr ), HAL_LCD_LINE_2 );
}
break;
case GAP_DEVICE_INFO_EVENT:
{
// if filtering device discovery results based on service UUID
if ( DEFAULT_DEV_DISC_BY_SVC_UUID == TRUE )
{
// if ( simpleBLEFindSvcUuid( SIMPLEPROFILE_SERV_UUID,
// pEvent->deviceInfo.pEvtData,
// pEvent->deviceInfo.dataLen ) )
{
simpleBLEAddDeviceInfo( pEvent->deviceInfo.addr, pEvent->deviceInfo.addrType );
}
}
}
break;
case GAP_DEVICE_DISCOVERY_EVENT:
{
// discovery complete
simpleBLEScanning = FALSE;
// if not filtering device discovery results based on service UUID
if ( DEFAULT_DEV_DISC_BY_SVC_UUID == FALSE )
{
// Copy results
simpleBLEScanRes = pEvent->discCmpl.numDevs;
osal_memcpy( simpleBLEDevList, pEvent->discCmpl.pDevList,
(sizeof( gapDevRec_t ) * pEvent->discCmpl.numDevs) );
}
NPI_PrintString("Devices Found
");
LCD_WRITE_STRING_VALUE( "Devices Found", simpleBLEScanRes,
10, HAL_LCD_LINE_1 );
if ( simpleBLEScanRes > 0 )
{
LCD_WRITE_STRING( "<- To Select", HAL_LCD_LINE_2 );
NPI_PrintString("<- To Select
");
}
// initialize scan index to last device
simpleBLEScanIdx = simpleBLEScanRes;
}
break;
case GAP_LINK_ESTABLISHED_EVENT:
{
if ( pEvent->gap.hdr.status == SUCCESS )
{
simpleBLEState = BLE_STATE_CONNECTED;
simpleBLEConnHandle = pEvent->linkCmpl.connectionHandle;
simpleBLEProcedureInProgress = TRUE;
NPI_PrintValue("连接句柄 ", simpleBLEConnHandle, 10);
// If service discovery not performed initiate service discovery
if ( simpleBLECharHdl == 0 )
{
osal_start_timerEx( simpleBLETaskId, START_DISCOVERY_EVT, DEFAULT_SVC_DISCOVERY_DELAY );
}
NPI_PrintString("Connected
");
LCD_WRITE_STRING( "Connected", HAL_LCD_LINE_1 );
LCD_WRITE_STRING( bdAddr2Str( pEvent->linkCmpl.devAddr ), HAL_LCD_LINE_2 );
// 启动定时器发送数据
//osal_start_timerEx( simpleBLETaskId, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD );// 关键
}
else
{
simpleBLEState = BLE_STATE_IDLE;
simpleBLEConnHandle = GAP_CONNHANDLE_INIT;
simpleBLERssi = FALSE;
simpleBLEDiscState = BLE_DISC_STATE_IDLE;
LCD_WRITE_STRING( "Connect Failed", HAL_LCD_LINE_1 );
LCD_WRITE_STRING_VALUE( "Reason:", pEvent->gap.hdr.status, 10, HAL_LCD_LINE_2 );
}
}
break;
case GAP_LINK_TERMINATED_EVENT:
{
simpleBLEState = BLE_STATE_IDLE;
simpleBLEConnHandle = GAP_CONNHANDLE_INIT;
simpleBLERssi = FALSE;
simpleBLEDiscState = BLE_DISC_STATE_IDLE;
simpleBLECharHdl = 0;
simpleBLEProcedureInProgress = FALSE;
LCD_WRITE_STRING( "Disconnected", HAL_LCD_LINE_1 );
LCD_WRITE_STRING_VALUE( "Reason:", pEvent->linkTerminate.reason,
10, HAL_LCD_LINE_2 );
}
break;
case GAP_LINK_PARAM_UPDATE_EVENT:
{
LCD_WRITE_STRING( "Param Update", HAL_LCD_LINE_1 );
}
break;
default:
break;
}
}