如上圖：
代碼：
else?if?(?centralDiscState?==?BLE_DISC_STATE_CHAR?)
??{
????//?Characteristic?found,?store?handle
????if?(?pMsg->method?==?ATT_READ_BY_TYPE_RSP?&&?
?????????pMsg->msg.readByTypeRsp.numPairs?>?0?)
????{
??????centralCharHdl?=?BUILD_UINT16(?pMsg->msg.readByTypeRsp.pDataList[0],
???????????????????????????????????????pMsg->msg.readByTypeRsp.pDataList[1]?);
??????centralProcedureInProgress?=?FALSE;
??????
??????//?Start?do?read?or?write
??????tmos_start_task(?centralTaskId,?START_READ_OR_WRITE_EVT,?DEFAULT_READ_OR_WRITE_DELAY);
??????
??????//?Display?Characteristic?1?handle
??????PRINT("Found?Characteristic?4?handle?:?%x?\n",centralCharHdl);????
//?Do?a?write
????????attWriteReq_t?req;
????????
????????req.cmd?=?FALSE;
????????req.sig?=?FALSE;
????????req.handle?=?centralCharHdl+1;
????????req.len?=?2;
//centralConnHandle=0;
PRINT(?"222!\n");
????????req.pValue?=?GATT_bm_alloc(centralConnHandle,ATT_WRITE_REQ,req.len,NULL,0);
????????if?(?req.pValue?!=?NULL?)
????????{
??????????req.pValue[0]?=?0x01;
req.pValue[1]?=?0x00;
??????????PRINT(?"333!\n");
??????????if(?GATT_WriteCharValue(centralConnHandle,&req,centralTaskId)?==?SUCCESS?)
??????????{??????
????????????centralProcedureInProgress?=?TRUE;
PRINT(?"Open?Notify?ok!\n");
????????????//centralDoWrite?=?!centralDoWrite;
????????????tmos_start_task(?centralTaskId,?START_READ_OR_WRITE_EVT,?DEFAULT_READ_OR_WRITE_DELAY);
??????????}
??????????else
??????????{
????????????GATT_bm_free((gattMsg_t?*)&req,?ATT_WRITE_REQ);
PRINT(?"Open?Notify?Fail!\n");
??????????}
????????}??
????}
????centralDiscState?=?BLE_DISC_STATE_IDLE;
??}
我用CC2541主機(jī)打開CC2541從機(jī)的char4通知使能是可以的。
用沁恒就失敗。
請(qǐng)問高手，哪里有錯(cuò)？謝謝
熱門產(chǎn)品 :
CH32X035: 32位USB+USB PD單片機(jī)
