Oscar Ariza / nRF51822

nordic

Fork of nRF51822 by Nordic Semiconductor

btle/btle_discovery.cpp@248:df37e7bb3f71, 2015-06-19 (annotated)

Committer:
rgrover1
Date:
Fri Jun 19 15:55:22 2015 +0100
Revision:
248:df37e7bb3f71
Parent:
244:a966506d1e5b
Child:
249:71ef03789dd3
Synchronized with git rev 75938af2

Author: Rohit Grover

remove btle_gattc.h

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 244:a966506d1e5b 1 /* mbed Microcontroller Library
rgrover1 244:a966506d1e5b 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 244:a966506d1e5b 3 *
rgrover1 244:a966506d1e5b 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 244:a966506d1e5b 5 * you may not use this file except in compliance with the License.
rgrover1 244:a966506d1e5b 6 * You may obtain a copy of the License at
rgrover1 244:a966506d1e5b 7 *
rgrover1 244:a966506d1e5b 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 244:a966506d1e5b 9 *
rgrover1 244:a966506d1e5b 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 244:a966506d1e5b 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 244:a966506d1e5b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 244:a966506d1e5b 13 * See the License for the specific language governing permissions and
rgrover1 244:a966506d1e5b 14 * limitations under the License.
rgrover1 244:a966506d1e5b 15 */
rgrover1 244:a966506d1e5b 16
rgrover1 240:693a1f145b5a 17 #include "blecommon.h"
rgrover1 240:693a1f145b5a 18 #include "UUID.h"
rgrover1 240:693a1f145b5a 19 #include "Gap.h"
rgrover1 240:693a1f145b5a 20 #include "nrf_error.h"
rgrover1 240:693a1f145b5a 21 #include "btle_discovery.h"
rgrover1 240:693a1f145b5a 22 #include "ble_err.h"
rgrover1 244:a966506d1e5b 23
rgrover1 244:a966506d1e5b 24 static NordicServiceDiscovery discoverySingleton;
rgrover1 244:a966506d1e5b 25 ServiceDiscovery *ServiceDiscovery::getSingleton(void) {
rgrover1 244:a966506d1e5b 26 return &discoverySingleton;
rgrover1 244:a966506d1e5b 27 }
rgrover1 240:693a1f145b5a 28
rgrover1 240:693a1f145b5a 29 ble_error_t
rgrover1 240:693a1f145b5a 30 ServiceDiscovery::launch(Gap::Handle_t connectionHandle, ServiceCallback_t sc, CharacteristicCallback_t cc)
rgrover1 240:693a1f145b5a 31 {
rgrover1 240:693a1f145b5a 32 ServiceDiscovery *singleton = getSingleton();
rgrover1 244:a966506d1e5b 33 discoverySingleton.serviceDiscoveryStarted(connectionHandle);
rgrover1 240:693a1f145b5a 34
rgrover1 240:693a1f145b5a 35 uint32_t rc;
rgrover1 240:693a1f145b5a 36 if ((rc = sd_ble_gattc_primary_services_discover(connectionHandle, SRV_DISC_START_HANDLE, NULL)) != NRF_SUCCESS) {
rgrover1 240:693a1f145b5a 37 singleton->terminate();
rgrover1 240:693a1f145b5a 38 switch (rc) {
rgrover1 240:693a1f145b5a 39 case NRF_ERROR_INVALID_PARAM:
rgrover1 240:693a1f145b5a 40 case BLE_ERROR_INVALID_CONN_HANDLE:
rgrover1 240:693a1f145b5a 41 return BLE_ERROR_INVALID_PARAM;
rgrover1 240:693a1f145b5a 42 case NRF_ERROR_BUSY:
rgrover1 240:693a1f145b5a 43 return BLE_STACK_BUSY;
rgrover1 240:693a1f145b5a 44 default:
rgrover1 240:693a1f145b5a 45 case NRF_ERROR_INVALID_STATE:
rgrover1 240:693a1f145b5a 46 return BLE_ERROR_INVALID_STATE;
rgrover1 240:693a1f145b5a 47 }
rgrover1 240:693a1f145b5a 48 }
rgrover1 240:693a1f145b5a 49
rgrover1 240:693a1f145b5a 50 return BLE_ERROR_NONE;
rgrover1 240:693a1f145b5a 51 }
rgrover1 240:693a1f145b5a 52
rgrover1 244:a966506d1e5b 53 ble_error_t
rgrover1 244:a966506d1e5b 54 NordicServiceDiscovery::launchCharacteristicDiscovery(Gap::Handle_t connectionHandle, Gap::Handle_t startHandle, Gap::Handle_t endHandle) {
rgrover1 244:a966506d1e5b 55 discoverySingleton.characteristicDiscoveryStarted(connectionHandle);
rgrover1 240:693a1f145b5a 56
rgrover1 240:693a1f145b5a 57 ble_gattc_handle_range_t handleRange = {
rgrover1 240:693a1f145b5a 58 .start_handle = startHandle,
rgrover1 240:693a1f145b5a 59 .end_handle = endHandle
rgrover1 240:693a1f145b5a 60 };
rgrover1 240:693a1f145b5a 61 uint32_t rc;
rgrover1 240:693a1f145b5a 62 if ((rc = sd_ble_gattc_characteristics_discover(connectionHandle, &handleRange)) != NRF_SUCCESS) {
rgrover1 244:a966506d1e5b 63 discoverySingleton.terminateCharacteristicDiscovery();
rgrover1 240:693a1f145b5a 64 switch (rc) {
rgrover1 240:693a1f145b5a 65 case BLE_ERROR_INVALID_CONN_HANDLE:
rgrover1 240:693a1f145b5a 66 case NRF_ERROR_INVALID_ADDR:
rgrover1 240:693a1f145b5a 67 return BLE_ERROR_INVALID_PARAM;
rgrover1 240:693a1f145b5a 68 case NRF_ERROR_BUSY:
rgrover1 240:693a1f145b5a 69 return BLE_STACK_BUSY;
rgrover1 240:693a1f145b5a 70 default:
rgrover1 240:693a1f145b5a 71 case NRF_ERROR_INVALID_STATE:
rgrover1 240:693a1f145b5a 72 return BLE_ERROR_INVALID_STATE;
rgrover1 240:693a1f145b5a 73 }
rgrover1 240:693a1f145b5a 74 }
rgrover1 240:693a1f145b5a 75
rgrover1 240:693a1f145b5a 76 return BLE_ERROR_NONE;
rgrover1 240:693a1f145b5a 77 }
rgrover1 240:693a1f145b5a 78
rgrover1 240:693a1f145b5a 79 void
rgrover1 241:75b69581d1dd 80 NordicServiceDiscovery::setupDiscoveredServices(const ble_gattc_evt_prim_srvc_disc_rsp_t *response)
rgrover1 240:693a1f145b5a 81 {
rgrover1 243:73fc02cc20b1 82 serviceIndex = 0;
rgrover1 243:73fc02cc20b1 83 numServices = response->count;
rgrover1 240:693a1f145b5a 84
rgrover1 240:693a1f145b5a 85 /* Account for the limitation on the number of discovered services we can handle at a time. */
rgrover1 243:73fc02cc20b1 86 if (numServices > BLE_DB_DISCOVERY_MAX_SRV) {
rgrover1 243:73fc02cc20b1 87 numServices = BLE_DB_DISCOVERY_MAX_SRV;
rgrover1 240:693a1f145b5a 88 }
rgrover1 240:693a1f145b5a 89
rgrover1 243:73fc02cc20b1 90 for (unsigned serviceIndex = 0; serviceIndex < numServices; serviceIndex++) {
rgrover1 240:693a1f145b5a 91 services[serviceIndex].setup(response->services[serviceIndex].uuid.uuid,
rgrover1 240:693a1f145b5a 92 response->services[serviceIndex].handle_range.start_handle,
rgrover1 240:693a1f145b5a 93 response->services[serviceIndex].handle_range.end_handle);
rgrover1 240:693a1f145b5a 94 }
rgrover1 240:693a1f145b5a 95 }
rgrover1 240:693a1f145b5a 96
rgrover1 240:693a1f145b5a 97 void
rgrover1 241:75b69581d1dd 98 NordicServiceDiscovery::setupDiscoveredCharacteristics(const ble_gattc_evt_char_disc_rsp_t *response)
rgrover1 240:693a1f145b5a 99 {
rgrover1 243:73fc02cc20b1 100 characteristicIndex = 0;
rgrover1 243:73fc02cc20b1 101 numCharacteristics = response->count;
rgrover1 240:693a1f145b5a 102
rgrover1 240:693a1f145b5a 103 /* Account for the limitation on the number of discovered characteristics we can handle at a time. */
rgrover1 243:73fc02cc20b1 104 if (numCharacteristics > BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV) {
rgrover1 243:73fc02cc20b1 105 numCharacteristics = BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV;
rgrover1 240:693a1f145b5a 106 }
rgrover1 240:693a1f145b5a 107
rgrover1 243:73fc02cc20b1 108 for (unsigned charIndex = 0; charIndex < numCharacteristics; charIndex++) {
rgrover1 240:693a1f145b5a 109 characteristics[charIndex].setup(response->chars[charIndex].uuid.uuid,
rgrover1 240:693a1f145b5a 110 *(const uint8_t *)(&response->chars[charIndex].char_props),
rgrover1 240:693a1f145b5a 111 response->chars[charIndex].handle_decl,
rgrover1 240:693a1f145b5a 112 response->chars[charIndex].handle_value);
rgrover1 240:693a1f145b5a 113 }
rgrover1 244:a966506d1e5b 114 }
rgrover1 244:a966506d1e5b 115
rgrover1 244:a966506d1e5b 116 void bleGattcEventHandler(const ble_evt_t *p_ble_evt)
rgrover1 244:a966506d1e5b 117 {
rgrover1 244:a966506d1e5b 118 switch (p_ble_evt->header.evt_id) {
rgrover1 244:a966506d1e5b 119 case BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP:
rgrover1 244:a966506d1e5b 120 switch (p_ble_evt->evt.gattc_evt.gatt_status) {
rgrover1 244:a966506d1e5b 121 case BLE_GATT_STATUS_SUCCESS:
rgrover1 244:a966506d1e5b 122 discoverySingleton.setupDiscoveredServices(&p_ble_evt->evt.gattc_evt.params.prim_srvc_disc_rsp);
rgrover1 244:a966506d1e5b 123 break;
rgrover1 244:a966506d1e5b 124
rgrover1 244:a966506d1e5b 125 case BLE_GATT_STATUS_ATTERR_ATTRIBUTE_NOT_FOUND:
rgrover1 244:a966506d1e5b 126 default:
rgrover1 244:a966506d1e5b 127 discoverySingleton.terminate();
rgrover1 244:a966506d1e5b 128 break;
rgrover1 244:a966506d1e5b 129 }
rgrover1 244:a966506d1e5b 130 break;
rgrover1 244:a966506d1e5b 131
rgrover1 244:a966506d1e5b 132 case BLE_GATTC_EVT_CHAR_DISC_RSP:
rgrover1 244:a966506d1e5b 133 switch (p_ble_evt->evt.gattc_evt.gatt_status) {
rgrover1 244:a966506d1e5b 134 case BLE_GATT_STATUS_SUCCESS:
rgrover1 244:a966506d1e5b 135 discoverySingleton.setupDiscoveredCharacteristics(&p_ble_evt->evt.gattc_evt.params.char_disc_rsp);
rgrover1 244:a966506d1e5b 136 break;
rgrover1 244:a966506d1e5b 137
rgrover1 244:a966506d1e5b 138 case BLE_GATT_STATUS_ATTERR_ATTRIBUTE_NOT_FOUND:
rgrover1 244:a966506d1e5b 139 default:
rgrover1 244:a966506d1e5b 140 discoverySingleton.terminateCharacteristicDiscovery();
rgrover1 244:a966506d1e5b 141 break;
rgrover1 244:a966506d1e5b 142 }
rgrover1 244:a966506d1e5b 143 break;
rgrover1 244:a966506d1e5b 144 }
rgrover1 244:a966506d1e5b 145
rgrover1 244:a966506d1e5b 146 discoverySingleton.progressCharacteristicDiscovery();
rgrover1 244:a966506d1e5b 147 discoverySingleton.progressServiceDiscovery();
rgrover1 240:693a1f145b5a 148 }