手機(jī)端發(fā)送讀數(shù)據(jù)時，?Peripheral例程中的哪個函數(shù)被觸發(fā)回調(diào)？修改哪里讓它讀到我指定想返回的數(shù)據(jù)，謝謝！

在EVT\EXAM\BLE\Peripheral 的example中,這些讀操作最先會調(diào)用下面這個函數(shù):

文件: EVT\EXAM\BLE\Peripheral\Profile.c 中的部分代碼

static?bStatus_t?simpleProfile_ReadAttrCB(?uint16?connHandle,?gattAttribute_t?*pAttr,?
????????????????????????????uint8?*pValue,?uint16?*pLen,?uint16?offset,?uint16?maxLen,uint8?method??)
{
??bStatus_t?status?=?SUCCESS;

??//?If?attribute?permissions?require?authorization?to?read,?return?error
??if?(?gattPermitAuthorRead(?pAttr->permissions?)?)
??{
????//?Insufficient?authorization
????return?(?ATT_ERR_INSUFFICIENT_AUTHOR?);
??}
??
??//?Make?sure?it's?not?a?blob?operation?(no?attributes?in?the?profile?are?long)
??if?(?offset?>?0?)
??{
????return?(?ATT_ERR_ATTR_NOT_LONG?);
??}
?
??if?(?pAttr->type.len?==?ATT_BT_UUID_SIZE?)
??{
????//?16-bit?UUID
????uint16?uuid?=?BUILD_UINT16(?pAttr->type.uuid[0],?pAttr->type.uuid[1]);
????switch?(?uuid?)
????{
??????//?No?need?for?"GATT_SERVICE_UUID"?or?"GATT_CLIENT_CHAR_CFG_UUID"?cases;
??????//?gattserverapp?handles?those?reads

??????//?characteristics?1?and?2?have?read?permissions
??????//?characteritisc?3?does?not?have?read?permissions;?therefore?it?is?not
??????//???included?here
??????//?characteristic?4?does?not?have?read?permissions,?but?because?it
??????//???can?be?sent?as?a?notification,?it?is?included?here
??????case?SIMPLEPROFILE_CHAR1_UUID:
????????*pLen?=?SIMPLEPROFILE_CHAR1_LEN;
????????tmos_memcpy(?pValue,?pAttr->pValue,?SIMPLEPROFILE_CHAR1_LEN?);
????????break;
??????
??????case?SIMPLEPROFILE_CHAR2_UUID:
????????*pLen?=?SIMPLEPROFILE_CHAR2_LEN;
????????tmos_memcpy(?pValue,?pAttr->pValue,?SIMPLEPROFILE_CHAR2_LEN?);
????????break;
??????
??????case?SIMPLEPROFILE_CHAR4_UUID:
????????*pLen?=?SIMPLEPROFILE_CHAR4_LEN;
????????tmos_memcpy(?pValue,?pAttr->pValue,?SIMPLEPROFILE_CHAR4_LEN?);
????????break;
??????
??????case?SIMPLEPROFILE_CHAR5_UUID:
????????*pLen?=?SIMPLEPROFILE_CHAR5_LEN;
????????tmos_memcpy(?pValue,?pAttr->pValue,?SIMPLEPROFILE_CHAR5_LEN?);
????????break;
????????
??????default:
????????//?Should?never?get?here!?(characteristics?3?and?4?do?not?have?read?permissions)
????????*pLen?=?0;
????????status?=?ATT_ERR_ATTR_NOT_FOUND;
????????break;
????}