Lancaster University / nRF51822

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Dependencies:   nrf51-sdk

Dependents:   microbit-dal microbit-ble-open microbit-dal-eddystone microbit-dal-ble-accelerometer-example ... more

btle/btle_discovery.cpp@242:73fc02cc20b1, 2015-06-19 (annotated)

Committer:
rgrover1
Date:
Fri Jun 19 15:55:21 2015 +0100
Revision:
242:73fc02cc20b1
Parent:
240:75b69581d1dd
Child:
243:a966506d1e5b
Synchronized with git rev a2e83d29

Author: Rohit Grover

variable renames.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 239:693a1f145b5a 1 #include "blecommon.h"
rgrover1 239:693a1f145b5a 2 #include "UUID.h"
rgrover1 239:693a1f145b5a 3 #include "Gap.h"
rgrover1 239:693a1f145b5a 4 #include "nrf_error.h"
rgrover1 239:693a1f145b5a 5 #include "btle_discovery.h"
rgrover1 239:693a1f145b5a 6 #include "ble_err.h"
rgrover1 239:693a1f145b5a 7
rgrover1 239:693a1f145b5a 8 ble_error_t
rgrover1 239:693a1f145b5a 9 ServiceDiscovery::launch(Gap::Handle_t connectionHandle, ServiceCallback_t sc, CharacteristicCallback_t cc)
rgrover1 239:693a1f145b5a 10 {
rgrover1 239:693a1f145b5a 11 ServiceDiscovery *singleton = getSingleton();
rgrover1 239:693a1f145b5a 12 singleton->serviceDiscoveryStarted(connectionHandle);
rgrover1 239:693a1f145b5a 13
rgrover1 239:693a1f145b5a 14 uint32_t rc;
rgrover1 239:693a1f145b5a 15 if ((rc = sd_ble_gattc_primary_services_discover(connectionHandle, SRV_DISC_START_HANDLE, NULL)) != NRF_SUCCESS) {
rgrover1 239:693a1f145b5a 16 singleton->terminate();
rgrover1 239:693a1f145b5a 17 switch (rc) {
rgrover1 239:693a1f145b5a 18 case NRF_ERROR_INVALID_PARAM:
rgrover1 239:693a1f145b5a 19 case BLE_ERROR_INVALID_CONN_HANDLE:
rgrover1 239:693a1f145b5a 20 return BLE_ERROR_INVALID_PARAM;
rgrover1 239:693a1f145b5a 21 case NRF_ERROR_BUSY:
rgrover1 239:693a1f145b5a 22 return BLE_STACK_BUSY;
rgrover1 239:693a1f145b5a 23 default:
rgrover1 239:693a1f145b5a 24 case NRF_ERROR_INVALID_STATE:
rgrover1 239:693a1f145b5a 25 return BLE_ERROR_INVALID_STATE;
rgrover1 239:693a1f145b5a 26 }
rgrover1 239:693a1f145b5a 27 }
rgrover1 239:693a1f145b5a 28
rgrover1 239:693a1f145b5a 29 return BLE_ERROR_NONE;
rgrover1 239:693a1f145b5a 30 }
rgrover1 239:693a1f145b5a 31
rgrover1 239:693a1f145b5a 32 ble_error_t ServiceDiscovery::launchCharacteristicDiscovery(Gap::Handle_t connectionHandle, Gap::Handle_t startHandle, Gap::Handle_t endHandle) {
rgrover1 239:693a1f145b5a 33 ServiceDiscovery *singleton = getSingleton();
rgrover1 239:693a1f145b5a 34 singleton->characteristicDiscoveryStarted(connectionHandle);
rgrover1 239:693a1f145b5a 35
rgrover1 239:693a1f145b5a 36 ble_gattc_handle_range_t handleRange = {
rgrover1 239:693a1f145b5a 37 .start_handle = startHandle,
rgrover1 239:693a1f145b5a 38 .end_handle = endHandle
rgrover1 239:693a1f145b5a 39 };
rgrover1 239:693a1f145b5a 40 uint32_t rc;
rgrover1 239:693a1f145b5a 41 if ((rc = sd_ble_gattc_characteristics_discover(connectionHandle, &handleRange)) != NRF_SUCCESS) {
rgrover1 239:693a1f145b5a 42 singleton->terminateCharacteristicDiscovery();
rgrover1 239:693a1f145b5a 43 switch (rc) {
rgrover1 239:693a1f145b5a 44 case BLE_ERROR_INVALID_CONN_HANDLE:
rgrover1 239:693a1f145b5a 45 case NRF_ERROR_INVALID_ADDR:
rgrover1 239:693a1f145b5a 46 return BLE_ERROR_INVALID_PARAM;
rgrover1 239:693a1f145b5a 47 case NRF_ERROR_BUSY:
rgrover1 239:693a1f145b5a 48 return BLE_STACK_BUSY;
rgrover1 239:693a1f145b5a 49 default:
rgrover1 239:693a1f145b5a 50 case NRF_ERROR_INVALID_STATE:
rgrover1 239:693a1f145b5a 51 return BLE_ERROR_INVALID_STATE;
rgrover1 239:693a1f145b5a 52 }
rgrover1 239:693a1f145b5a 53 }
rgrover1 239:693a1f145b5a 54
rgrover1 239:693a1f145b5a 55 return BLE_ERROR_NONE;
rgrover1 239:693a1f145b5a 56 }
rgrover1 239:693a1f145b5a 57
rgrover1 239:693a1f145b5a 58 void
rgrover1 240:75b69581d1dd 59 NordicServiceDiscovery::setupDiscoveredServices(const ble_gattc_evt_prim_srvc_disc_rsp_t *response)
rgrover1 239:693a1f145b5a 60 {
rgrover1 242:73fc02cc20b1 61 serviceIndex = 0;
rgrover1 242:73fc02cc20b1 62 numServices = response->count;
rgrover1 239:693a1f145b5a 63
rgrover1 239:693a1f145b5a 64 /* Account for the limitation on the number of discovered services we can handle at a time. */
rgrover1 242:73fc02cc20b1 65 if (numServices > BLE_DB_DISCOVERY_MAX_SRV) {
rgrover1 242:73fc02cc20b1 66 numServices = BLE_DB_DISCOVERY_MAX_SRV;
rgrover1 239:693a1f145b5a 67 }
rgrover1 239:693a1f145b5a 68
rgrover1 242:73fc02cc20b1 69 for (unsigned serviceIndex = 0; serviceIndex < numServices; serviceIndex++) {
rgrover1 239:693a1f145b5a 70 services[serviceIndex].setup(response->services[serviceIndex].uuid.uuid,
rgrover1 239:693a1f145b5a 71 response->services[serviceIndex].handle_range.start_handle,
rgrover1 239:693a1f145b5a 72 response->services[serviceIndex].handle_range.end_handle);
rgrover1 239:693a1f145b5a 73 }
rgrover1 239:693a1f145b5a 74 }
rgrover1 239:693a1f145b5a 75
rgrover1 239:693a1f145b5a 76 void
rgrover1 240:75b69581d1dd 77 NordicServiceDiscovery::setupDiscoveredCharacteristics(const ble_gattc_evt_char_disc_rsp_t *response)
rgrover1 239:693a1f145b5a 78 {
rgrover1 242:73fc02cc20b1 79 characteristicIndex = 0;
rgrover1 242:73fc02cc20b1 80 numCharacteristics = response->count;
rgrover1 239:693a1f145b5a 81
rgrover1 239:693a1f145b5a 82 /* Account for the limitation on the number of discovered characteristics we can handle at a time. */
rgrover1 242:73fc02cc20b1 83 if (numCharacteristics > BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV) {
rgrover1 242:73fc02cc20b1 84 numCharacteristics = BLE_DB_DISCOVERY_MAX_CHAR_PER_SRV;
rgrover1 239:693a1f145b5a 85 }
rgrover1 239:693a1f145b5a 86
rgrover1 242:73fc02cc20b1 87 for (unsigned charIndex = 0; charIndex < numCharacteristics; charIndex++) {
rgrover1 239:693a1f145b5a 88 characteristics[charIndex].setup(response->chars[charIndex].uuid.uuid,
rgrover1 239:693a1f145b5a 89 *(const uint8_t *)(&response->chars[charIndex].char_props),
rgrover1 239:693a1f145b5a 90 response->chars[charIndex].handle_decl,
rgrover1 239:693a1f145b5a 91 response->chars[charIndex].handle_value);
rgrover1 239:693a1f145b5a 92 }
rgrover1 239:693a1f145b5a 93 }