ble_spp_server read event error
Posted: Wed Jan 29, 2020 4:18 am
Hi,
I tried to add ESP_GATTS_READ_EVT process as below line.
https://github.com/espressif/esp-idf/bl ... emo.c#L499
However, I got below error message.
How do I resolve it?
I tried to add ESP_GATTS_READ_EVT process as below line.
https://github.com/espressif/esp-idf/bl ... emo.c#L499
Code: Select all
case ESP_GATTS_READ_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "GATT_READ_EVT, conn_id %d, trans_id %d, handle %d\n", param->read.conn_id, param->read.trans_id, param->read.handle);
res = find_char_and_desr_index(p_data->read.handle);
if(res == SPP_IDX_SPP_STATUS_VAL){
//TODO:client read the status characteristic
}
else if(res == SPP_IDX_SPP_DATA_NTY_VAL){
esp_gatt_rsp_t rsp;
memset(&rsp, 0, sizeof(esp_gatt_rsp_t));
rsp.attr_value.handle = param->read.handle;
rsp.attr_value.len = 4;
rsp.attr_value.value[0] = 0xde;
rsp.attr_value.value[1] = 0xed;
rsp.attr_value.value[2] = 0xbe;
rsp.attr_value.value[3] = 0xef;
esp_ble_gatts_send_response(gatts_if, spp_conn_id, param->read.trans_id, ESP_GATT_OK, &rsp);
}
break;How do I resolve it?
I (708100) GATTS_SPP_DEMO: EVT 1, gatts if 3
I (708100) GATTS_SPP_DEMO: event = 1
I (708100) GATTS_SPP_DEMO: GATT_READ_EVT, conn_id 0, trans_id 7, handle 44
E (708120) BT_GATT: GATTS_SendRsp conn_id: 3 waiting for op_code = 00
E (708120) BT_APPL: Sending response failed
I (708130) GATTS_SPP_DEMO: EVT 21, gatts if 3
I (708130) GATTS_SPP_DEMO: event = 15