Kris Scholte Lubberink / Mbed OS SSS_Ble

Ble for smart sOlutions

Dependencies:   Adafruit_WS2801

source/BleDevice.h@9:92d861703f96, 2019-06-11 (annotated)

Committer:
kris@kris-X682X
Date:
Tue Jun 11 11:16:55 2019 +0200
Revision:
9:92d861703f96
Parent:
8:369b80cef5ae
Child:
10:d845189d146e
WS2812 working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kris@kris-X682X 6:ee9c86f06eae 1 //
kris@kris-X682X 6:ee9c86f06eae 2 // Created by kris on 20-4-19.
kris@kris-X682X 6:ee9c86f06eae 3 //
kris@kris-X682X 6:ee9c86f06eae 4
kris@kris-X682X 6:ee9c86f06eae 5 #ifndef SSS_BLE_BLEDEVICE_H
kris@kris-X682X 6:ee9c86f06eae 6 #define SSS_BLE_BLEDEVICE_H
kris@kris-X682X 6:ee9c86f06eae 7 #include "pretty_printer.h"
kris@kris-X682X 6:ee9c86f06eae 8
kris@kris-X682X 6:ee9c86f06eae 9 #include <mbed.h>
kris@kris-X682X 6:ee9c86f06eae 10 #include "SecurityManager.h"
kris@kris-X682X 9:92d861703f96 11 #include "CustomUUIDs.h"
kris@kris-X682X 6:ee9c86f06eae 12 #include "ble/BLE.h"
kris@kris-X682X 8:369b80cef5ae 13
kris@kris-X682X 8:369b80cef5ae 14 #include "ble/DiscoveredCharacteristic.h"
kris@kris-X682X 8:369b80cef5ae 15 #include "ble/DiscoveredService.h"
kris@kris-X682X 8:369b80cef5ae 16 #include "ble/gap/Gap.h"
kris@kris-X682X 8:369b80cef5ae 17 #include "ble/gap/AdvertisingDataParser.h"
kris@kris-X682X 6:ee9c86f06eae 18 #include <events/mbed_events.h>
kris@kris-X682X 6:ee9c86f06eae 19
kris@kris-X682X 8:369b80cef5ae 20
kris@kris-X682X 6:ee9c86f06eae 21 typedef ble_error_t (Gap::*disconnect_call_t)(ble::connection_handle_t, ble::local_disconnection_reason_t);
kris@kris-X682X 6:ee9c86f06eae 22 const static disconnect_call_t disconnect_call = &Gap::disconnect;
kris@kris-X682X 6:ee9c86f06eae 23
kris@kris-X682X 6:ee9c86f06eae 24 class BleDevice : private mbed::NonCopyable<BleDevice>,
kris@kris-X682X 6:ee9c86f06eae 25 public SecurityManager::EventHandler,
kris@kris-X682X 6:ee9c86f06eae 26 public ble::Gap::EventHandler
kris@kris-X682X 6:ee9c86f06eae 27 {
kris@kris-X682X 9:92d861703f96 28 typedef BleDevice Self;
kris@kris-X682X 9:92d861703f96 29 typedef CharacteristicDescriptorDiscovery::DiscoveryCallbackParams_t
kris@kris-X682X 9:92d861703f96 30 DiscoveryCallbackParams_t;
kris@kris-X682X 9:92d861703f96 31
kris@kris-X682X 9:92d861703f96 32 typedef CharacteristicDescriptorDiscovery::TerminationCallbackParams_t
kris@kris-X682X 9:92d861703f96 33 TerminationCallbackParams_t;
kris@kris-X682X 9:92d861703f96 34
kris@kris-X682X 9:92d861703f96 35 typedef DiscoveredCharacteristic::Properties_t Properties_t;
kris@kris-X682X 9:92d861703f96 36
kris@kris-X682X 9:92d861703f96 37
kris@kris-X682X 6:ee9c86f06eae 38 public:
kris@kris-X682X 6:ee9c86f06eae 39 inline void print_error(ble_error_t error, const char* msg)
kris@kris-X682X 6:ee9c86f06eae 40 {
kris@kris-X682X 6:ee9c86f06eae 41 printf("%s: ", msg);
kris@kris-X682X 6:ee9c86f06eae 42 switch(error) {
kris@kris-X682X 6:ee9c86f06eae 43 case BLE_ERROR_NONE:
kris@kris-X682X 6:ee9c86f06eae 44 printf("BLE_ERROR_NONE: No error");
kris@kris-X682X 6:ee9c86f06eae 45 break;
kris@kris-X682X 6:ee9c86f06eae 46 case BLE_ERROR_BUFFER_OVERFLOW:
kris@kris-X682X 6:ee9c86f06eae 47 printf("BLE_ERROR_BUFFER_OVERFLOW: The requested action would cause a buffer overflow and has been aborted");
kris@kris-X682X 6:ee9c86f06eae 48 break;
kris@kris-X682X 6:ee9c86f06eae 49 case BLE_ERROR_NOT_IMPLEMENTED:
kris@kris-X682X 6:ee9c86f06eae 50 printf("BLE_ERROR_NOT_IMPLEMENTED: Requested a feature that isn't yet implement or isn't supported by the target HW");
kris@kris-X682X 6:ee9c86f06eae 51 break;
kris@kris-X682X 6:ee9c86f06eae 52 case BLE_ERROR_PARAM_OUT_OF_RANGE:
kris@kris-X682X 6:ee9c86f06eae 53 printf("BLE_ERROR_PARAM_OUT_OF_RANGE: One of the supplied parameters is outside the valid range");
kris@kris-X682X 6:ee9c86f06eae 54 break;
kris@kris-X682X 6:ee9c86f06eae 55 case BLE_ERROR_INVALID_PARAM:
kris@kris-X682X 6:ee9c86f06eae 56 printf("BLE_ERROR_INVALID_PARAM: One of the supplied parameters is invalid");
kris@kris-X682X 6:ee9c86f06eae 57 break;
kris@kris-X682X 6:ee9c86f06eae 58 case BLE_STACK_BUSY:
kris@kris-X682X 6:ee9c86f06eae 59 printf("BLE_STACK_BUSY: The stack is busy");
kris@kris-X682X 6:ee9c86f06eae 60 break;
kris@kris-X682X 6:ee9c86f06eae 61 case BLE_ERROR_INVALID_STATE:
kris@kris-X682X 6:ee9c86f06eae 62 printf("BLE_ERROR_INVALID_STATE: Invalid state");
kris@kris-X682X 6:ee9c86f06eae 63 break;
kris@kris-X682X 6:ee9c86f06eae 64 case BLE_ERROR_NO_MEM:
kris@kris-X682X 6:ee9c86f06eae 65 printf("BLE_ERROR_NO_MEM: Out of Memory");
kris@kris-X682X 6:ee9c86f06eae 66 break;
kris@kris-X682X 6:ee9c86f06eae 67 case BLE_ERROR_OPERATION_NOT_PERMITTED:
kris@kris-X682X 6:ee9c86f06eae 68 printf("BLE_ERROR_OPERATION_NOT_PERMITTED");
kris@kris-X682X 6:ee9c86f06eae 69 break;
kris@kris-X682X 6:ee9c86f06eae 70 case BLE_ERROR_INITIALIZATION_INCOMPLETE:
kris@kris-X682X 6:ee9c86f06eae 71 printf("BLE_ERROR_INITIALIZATION_INCOMPLETE");
kris@kris-X682X 6:ee9c86f06eae 72 break;
kris@kris-X682X 6:ee9c86f06eae 73 case BLE_ERROR_ALREADY_INITIALIZED:
kris@kris-X682X 6:ee9c86f06eae 74 printf("BLE_ERROR_ALREADY_INITIALIZED");
kris@kris-X682X 6:ee9c86f06eae 75 break;
kris@kris-X682X 6:ee9c86f06eae 76 case BLE_ERROR_UNSPECIFIED:
kris@kris-X682X 6:ee9c86f06eae 77 printf("BLE_ERROR_UNSPECIFIED: Unknown error");
kris@kris-X682X 6:ee9c86f06eae 78 break;
kris@kris-X682X 6:ee9c86f06eae 79 case BLE_ERROR_INTERNAL_STACK_FAILURE:
kris@kris-X682X 6:ee9c86f06eae 80 printf("BLE_ERROR_INTERNAL_STACK_FAILURE: internal stack faillure");
kris@kris-X682X 6:ee9c86f06eae 81 break;
kris@kris-X682X 6:ee9c86f06eae 82 case BLE_ERROR_NOT_FOUND:
kris@kris-X682X 6:ee9c86f06eae 83 printf("BLE_ERROR_NOT_FOUND");
kris@kris-X682X 6:ee9c86f06eae 84 break;
kris@kris-X682X 6:ee9c86f06eae 85 }
kris@kris-X682X 6:ee9c86f06eae 86 printf("\r\n");
kris@kris-X682X 6:ee9c86f06eae 87 }
kris@kris-X682X 6:ee9c86f06eae 88
kris@kris-X682X 6:ee9c86f06eae 89 /** print device address to the terminal */
kris@kris-X682X 6:ee9c86f06eae 90 void print_address(const uint8_t *addr)
kris@kris-X682X 6:ee9c86f06eae 91 {
kris@kris-X682X 6:ee9c86f06eae 92 printf("%02x:%02x:%02x:%02x:%02x:%02x\r\n",
kris@kris-X682X 6:ee9c86f06eae 93 addr[5], addr[4], addr[3], addr[2], addr[1], addr[0]);
kris@kris-X682X 6:ee9c86f06eae 94 }
kris@kris-X682X 6:ee9c86f06eae 95
kris@kris-X682X 6:ee9c86f06eae 96 inline void print_mac_address()
kris@kris-X682X 6:ee9c86f06eae 97 {
kris@kris-X682X 6:ee9c86f06eae 98 /* Print out device MAC address to the console*/
kris@kris-X682X 6:ee9c86f06eae 99 Gap::AddressType_t addr_type;
kris@kris-X682X 6:ee9c86f06eae 100 Gap::Address_t address;
kris@kris-X682X 6:ee9c86f06eae 101 BLE::Instance().gap().getAddress(&addr_type, address);
kris@kris-X682X 6:ee9c86f06eae 102 printf("DEVICE MAC ADDRESS: ");
kris@kris-X682X 6:ee9c86f06eae 103 print_address(address);
kris@kris-X682X 6:ee9c86f06eae 104 }
kris@kris-X682X 6:ee9c86f06eae 105
kris@kris-X682X 6:ee9c86f06eae 106 inline const char* phy_to_string(Gap::Phy_t phy) {
kris@kris-X682X 6:ee9c86f06eae 107 switch(phy.value()) {
kris@kris-X682X 6:ee9c86f06eae 108 case Gap::Phy_t::LE_1M:
kris@kris-X682X 6:ee9c86f06eae 109 return "LE 1M";
kris@kris-X682X 6:ee9c86f06eae 110 case Gap::Phy_t::LE_2M:
kris@kris-X682X 6:ee9c86f06eae 111 return "LE 2M";
kris@kris-X682X 6:ee9c86f06eae 112 case Gap::Phy_t::LE_CODED:
kris@kris-X682X 6:ee9c86f06eae 113 return "LE coded";
kris@kris-X682X 6:ee9c86f06eae 114 default:
kris@kris-X682X 6:ee9c86f06eae 115 return "invalid PHY";
kris@kris-X682X 6:ee9c86f06eae 116 }
kris@kris-X682X 6:ee9c86f06eae 117 }
kris@kris-X682X 6:ee9c86f06eae 118
kris@kris-X682X 6:ee9c86f06eae 119 BleDevice(const BLE& ble, events::EventQueue &event_queue) :
kris@kris-X682X 6:ee9c86f06eae 120 _led1(LED1, 0),
kris@kris-X682X 6:ee9c86f06eae 121 _ble(const_cast<BLE &>(ble)),
kris@kris-X682X 6:ee9c86f06eae 122 _event_queue(event_queue),
kris@kris-X682X 6:ee9c86f06eae 123 _handle(0),
kris@kris-X682X 9:92d861703f96 124 _is_connecting(false),
kris@kris-X682X 9:92d861703f96 125 hi(false){ };
kris@kris-X682X 6:ee9c86f06eae 126
kris@kris-X682X 6:ee9c86f06eae 127 virtual ~BleDevice()
kris@kris-X682X 6:ee9c86f06eae 128 {
kris@kris-X682X 7:9cda1b0f25ae 129 printf("[DEVICE]\t Destructing the device\r\n");
kris@kris-X682X 6:ee9c86f06eae 130 if (_ble.hasInitialized()) {
kris@kris-X682X 6:ee9c86f06eae 131 _ble.shutdown();
kris@kris-X682X 6:ee9c86f06eae 132 }
kris@kris-X682X 6:ee9c86f06eae 133 };
kris@kris-X682X 6:ee9c86f06eae 134
kris@kris-X682X 7:9cda1b0f25ae 135
kris@kris-X682X 6:ee9c86f06eae 136 /** Start BLE interface initialisation */
kris@kris-X682X 6:ee9c86f06eae 137 void run(int time)
kris@kris-X682X 6:ee9c86f06eae 138 {
kris@kris-X682X 6:ee9c86f06eae 139 ble_error_t error;
kris@kris-X682X 6:ee9c86f06eae 140
kris@kris-X682X 6:ee9c86f06eae 141 /* to show we're running we'll blink every 500ms */
kris@kris-X682X 6:ee9c86f06eae 142 _event_queue.call_every(500, this, &BleDevice::blink);
kris@kris-X682X 6:ee9c86f06eae 143
kris@kris-X682X 6:ee9c86f06eae 144 if (_ble.hasInitialized()) {
kris@kris-X682X 6:ee9c86f06eae 145 printf("Ble instance already initialised.\r\n");
kris@kris-X682X 6:ee9c86f06eae 146 return;
kris@kris-X682X 6:ee9c86f06eae 147 }
kris@kris-X682X 6:ee9c86f06eae 148
kris@kris-X682X 6:ee9c86f06eae 149 /* this will inform us off all events so we can schedule their handling
kris@kris-X682X 6:ee9c86f06eae 150 * using our event queue */
kris@kris-X682X 6:ee9c86f06eae 151 _ble.onEventsToProcess(
kris@kris-X682X 6:ee9c86f06eae 152 makeFunctionPointer(this, &BleDevice::schedule_ble_events)
kris@kris-X682X 6:ee9c86f06eae 153 );
kris@kris-X682X 6:ee9c86f06eae 154
kris@kris-X682X 6:ee9c86f06eae 155 /* handle gap events */
kris@kris-X682X 6:ee9c86f06eae 156 _ble.gap().setEventHandler(this);
kris@kris-X682X 6:ee9c86f06eae 157
kris@kris-X682X 6:ee9c86f06eae 158 error = _ble.init(this, &BleDevice::on_init_complete);
kris@kris-X682X 6:ee9c86f06eae 159
kris@kris-X682X 6:ee9c86f06eae 160 if (error) {
kris@kris-X682X 6:ee9c86f06eae 161 printf("Error returned by BLE::init.\r\n");
kris@kris-X682X 6:ee9c86f06eae 162 return;
kris@kris-X682X 6:ee9c86f06eae 163 }
kris@kris-X682X 6:ee9c86f06eae 164 printf("Initialized the device! I should now wait for a bit maybe?");
kris@kris-X682X 6:ee9c86f06eae 165
kris@kris-X682X 6:ee9c86f06eae 166 /* this will not return until shutdown */
kris@kris-X682X 6:ee9c86f06eae 167 //BUT IT SHOULD!
kris@kris-X682X 9:92d861703f96 168 // _event_queue.dispatch_forever();// wait(2);
kris@kris-X682X 6:ee9c86f06eae 169 // printf(" Waited? ");
kris@kris-X682X 6:ee9c86f06eae 170 _event_queue.dispatch(time);
kris@kris-X682X 6:ee9c86f06eae 171 };
kris@kris-X682X 6:ee9c86f06eae 172
kris@kris-X682X 6:ee9c86f06eae 173 private:
kris@kris-X682X 6:ee9c86f06eae 174 /** Override to start chosen activity when initialisation completes */
kris@kris-X682X 6:ee9c86f06eae 175 virtual void start() = 0;
kris@kris-X682X 6:ee9c86f06eae 176
kris@kris-X682X 6:ee9c86f06eae 177 /** This is called when BLE interface is initialised and starts the demonstration */
kris@kris-X682X 6:ee9c86f06eae 178 void on_init_complete(BLE::InitializationCompleteCallbackContext *event)
kris@kris-X682X 6:ee9c86f06eae 179 {
kris@kris-X682X 6:ee9c86f06eae 180 // ble_error_t error;
kris@kris-X682X 6:ee9c86f06eae 181
kris@kris-X682X 6:ee9c86f06eae 182 if (event->error) {
kris@kris-X682X 6:ee9c86f06eae 183 printf("Error during the initialisation\r\n");
kris@kris-X682X 6:ee9c86f06eae 184 return;
kris@kris-X682X 6:ee9c86f06eae 185 }
kris@kris-X682X 6:ee9c86f06eae 186
kris@kris-X682X 6:ee9c86f06eae 187 /* gap events also handled by this class */
kris@kris-X682X 6:ee9c86f06eae 188 _ble.gap().setEventHandler(this);
kris@kris-X682X 6:ee9c86f06eae 189
kris@kris-X682X 6:ee9c86f06eae 190 /* print device address */
kris@kris-X682X 6:ee9c86f06eae 191 Gap::AddressType_t addr_type;
kris@kris-X682X 6:ee9c86f06eae 192 Gap::Address_t addr;
kris@kris-X682X 6:ee9c86f06eae 193 _ble.gap().getAddress(&addr_type, addr);
kris@kris-X682X 6:ee9c86f06eae 194 print_address(addr);
kris@kris-X682X 7:9cda1b0f25ae 195 printf("\r\n.... Initialized the device! \r\n");
kris@kris-X682X 6:ee9c86f06eae 196
kris@kris-X682X 6:ee9c86f06eae 197 _event_queue.call_in(500, this, &BleDevice::start);
kris@kris-X682X 6:ee9c86f06eae 198 };
kris@kris-X682X 6:ee9c86f06eae 199
kris@kris-X682X 6:ee9c86f06eae 200 /** Schedule processing of events from the BLE in the event queue. */
kris@kris-X682X 6:ee9c86f06eae 201 void schedule_ble_events(BLE::OnEventsToProcessCallbackContext *context)
kris@kris-X682X 6:ee9c86f06eae 202 {
kris@kris-X682X 6:ee9c86f06eae 203 _event_queue.call(mbed::callback(&context->ble, &BLE::processEvents));
kris@kris-X682X 6:ee9c86f06eae 204 };
kris@kris-X682X 6:ee9c86f06eae 205
kris@kris-X682X 6:ee9c86f06eae 206 /** Blink LED to show we're running */
kris@kris-X682X 6:ee9c86f06eae 207 void blink(void)
kris@kris-X682X 6:ee9c86f06eae 208 {
kris@kris-X682X 6:ee9c86f06eae 209 _led1 = !_led1;
kris@kris-X682X 6:ee9c86f06eae 210 };
kris@kris-X682X 6:ee9c86f06eae 211
kris@kris-X682X 6:ee9c86f06eae 212 private:
kris@kris-X682X 9:92d861703f96 213 static void print_uuid(const UUID &uuid)
kris@kris-X682X 9:92d861703f96 214 {
kris@kris-X682X 9:92d861703f96 215 const uint8_t *uuid_value = uuid.getBaseUUID();
kris@kris-X682X 9:92d861703f96 216
kris@kris-X682X 9:92d861703f96 217 // UUIDs are in little endian, print them in big endian
kris@kris-X682X 9:92d861703f96 218 for (size_t i = 0; i < uuid.getLen(); ++i) {
kris@kris-X682X 9:92d861703f96 219 printf("%02X", uuid_value[(uuid.getLen() - 1) - i]);
kris@kris-X682X 9:92d861703f96 220 }
kris@kris-X682X 9:92d861703f96 221 }
kris@kris-X682X 9:92d861703f96 222 void when_service_discovered(const DiscoveredService *discovered_service)
kris@kris-X682X 9:92d861703f96 223 {
kris@kris-X682X 9:92d861703f96 224 // print information of the service discovered
kris@kris-X682X 9:92d861703f96 225 printf("Service discovered: value = ");
kris@kris-X682X 9:92d861703f96 226 print_uuid(discovered_service->getUUID());
kris@kris-X682X 9:92d861703f96 227 printf(", start = %u, end = %u.\r\n",
kris@kris-X682X 9:92d861703f96 228 discovered_service->getStartHandle(),
kris@kris-X682X 9:92d861703f96 229 discovered_service->getEndHandle()
kris@kris-X682X 9:92d861703f96 230 );
kris@kris-X682X 9:92d861703f96 231 }
kris@kris-X682X 9:92d861703f96 232 /**
kris@kris-X682X 9:92d861703f96 233 * Add a discovered characteristic into the list of discovered characteristics.
kris@kris-X682X 9:92d861703f96 234 */
kris@kris-X682X 9:92d861703f96 235 // bool add_characteristic(const DiscoveredCharacteristic *characteristic)
kris@kris-X682X 9:92d861703f96 236 // {
kris@kris-X682X 9:92d861703f96 237 // //TODO: If char UUID == UUID, store char for reading
kris@kris-X682X 9:92d861703f96 238 // if
kris@kris-X682X 9:92d861703f96 239 // printf("Adding char");
kris@kris-X682X 9:92d861703f96 240 //
kris@kris-X682X 9:92d861703f96 241 //// if (new_node == false) {
kris@kris-X682X 9:92d861703f96 242 //// printf("Error while allocating a new characteristic.\r\n");
kris@kris-X682X 9:92d861703f96 243 //// return false;
kris@kris-X682X 9:92d861703f96 244 //// }
kris@kris-X682X 9:92d861703f96 245 // printf("Added char");
kris@kris-X682X 9:92d861703f96 246 //
kris@kris-X682X 9:92d861703f96 247 // if (_characteristics == NULL) {
kris@kris-X682X 9:92d861703f96 248 // _characteristics = const_cast<DiscoveredCharacteristic *>(characteristic);
kris@kris-X682X 9:92d861703f96 249 // } else {
kris@kris-X682X 9:92d861703f96 250 // DiscoveredCharacteristic* c = _characteristics;
kris@kris-X682X 9:92d861703f96 251 // while() {
kris@kris-X682X 9:92d861703f96 252 // c = c->next;
kris@kris-X682X 9:92d861703f96 253 // }
kris@kris-X682X 9:92d861703f96 254 // c->next = new_node;
kris@kris-X682X 9:92d861703f96 255 // }
kris@kris-X682X 9:92d861703f96 256 // delete new_node;
kris@kris-X682X 9:92d861703f96 257 // return true;
kris@kris-X682X 9:92d861703f96 258 // }
kris@kris-X682X 9:92d861703f96 259 /**
kris@kris-X682X 9:92d861703f96 260 * Handle characteristics discovered.
kris@kris-X682X 9:92d861703f96 261 *
kris@kris-X682X 9:92d861703f96 262 * The GattClient invoke this function when a characteristic has been
kris@kris-X682X 9:92d861703f96 263 * discovered.
kris@kris-X682X 9:92d861703f96 264 *
kris@kris-X682X 9:92d861703f96 265 * @see GattClient::launchServiceDiscovery
kris@kris-X682X 9:92d861703f96 266 */
kris@kris-X682X 9:92d861703f96 267 void when_characteristic_discovered(const DiscoveredCharacteristic *discovered_characteristic)
kris@kris-X682X 9:92d861703f96 268 {
kris@kris-X682X 9:92d861703f96 269 // print characteristics properties
kris@kris-X682X 9:92d861703f96 270 printf("\tCharacteristic discovered: uuid = ");
kris@kris-X682X 9:92d861703f96 271 print_uuid(discovered_characteristic->getUUID());
kris@kris-X682X 9:92d861703f96 272 printf(", properties = ");
kris@kris-X682X 9:92d861703f96 273 // print_properties(discovered_characteristic->getProperties());
kris@kris-X682X 9:92d861703f96 274 printf(
kris@kris-X682X 9:92d861703f96 275 ", decl handle = %u, value handle = %u, last handle = %u.\r\n",
kris@kris-X682X 9:92d861703f96 276 discovered_characteristic->getDeclHandle(),
kris@kris-X682X 9:92d861703f96 277 discovered_characteristic->getValueHandle(),
kris@kris-X682X 9:92d861703f96 278 discovered_characteristic->getLastHandle()
kris@kris-X682X 9:92d861703f96 279 );
kris@kris-X682X 9:92d861703f96 280 if(discovered_characteristic->getUUID() == CustomUUIDs::UUID_INTEREST_CHAR){
kris@kris-X682X 9:92d861703f96 281 printf("You have the interest char!");
kris@kris-X682X 9:92d861703f96 282 hi = true;
kris@kris-X682X 9:92d861703f96 283 _interest_characteristic = discovered_characteristic;
kris@kris-X682X 9:92d861703f96 284 }
kris@kris-X682X 9:92d861703f96 285 }
kris@kris-X682X 9:92d861703f96 286
kris@kris-X682X 9:92d861703f96 287 /**
kris@kris-X682X 9:92d861703f96 288 * Handle termination of the service and characteristic discovery process.
kris@kris-X682X 9:92d861703f96 289 *
kris@kris-X682X 9:92d861703f96 290 * The GattClient invokes this function when the service and characteristic
kris@kris-X682X 9:92d861703f96 291 * discovery process ends.
kris@kris-X682X 9:92d861703f96 292 *
kris@kris-X682X 9:92d861703f96 293 * @see GattClient::onServiceDiscoveryTermination
kris@kris-X682X 9:92d861703f96 294 */
kris@kris-X682X 9:92d861703f96 295 void when_service_discovery_ends(Gap::Handle_t connection_handle)
kris@kris-X682X 9:92d861703f96 296 {
kris@kris-X682X 9:92d861703f96 297 if (!hi) {
kris@kris-X682X 9:92d861703f96 298 printf("No characteristics discovered, end of the process.\r\n");
kris@kris-X682X 9:92d861703f96 299 return;
kris@kris-X682X 9:92d861703f96 300 }
kris@kris-X682X 9:92d861703f96 301
kris@kris-X682X 9:92d861703f96 302 printf("All services and characteristics discovered, process them.\r\n");
kris@kris-X682X 9:92d861703f96 303
kris@kris-X682X 9:92d861703f96 304 process_next_characteristic();
kris@kris-X682X 9:92d861703f96 305 // reset iterator and start processing characteristics in order
kris@kris-X682X 9:92d861703f96 306 // _event_queue.call(mbed::callback(this, &Self::process_next_characteristic));
kris@kris-X682X 9:92d861703f96 307 }
kris@kris-X682X 9:92d861703f96 308
kris@kris-X682X 9:92d861703f96 309
kris@kris-X682X 9:92d861703f96 310 ////////////////////////////////////////////////////////////////////////////////
kris@kris-X682X 9:92d861703f96 311 // Processing of characteristics based on their properties.
kris@kris-X682X 9:92d861703f96 312
kris@kris-X682X 9:92d861703f96 313 void process_next_characteristic(void)
kris@kris-X682X 9:92d861703f96 314 {
kris@kris-X682X 9:92d861703f96 315 printf("Test");
kris@kris-X682X 9:92d861703f96 316 if(_interest_characteristic){
kris@kris-X682X 9:92d861703f96 317 //Interest char can be null; check that
kris@kris-X682X 9:92d861703f96 318 Properties_t properties = _interest_characteristic->getProperties();
kris@kris-X682X 9:92d861703f96 319
kris@kris-X682X 9:92d861703f96 320 if (properties.read()) {
kris@kris-X682X 9:92d861703f96 321 read_characteristic(*_interest_characteristic);
kris@kris-X682X 9:92d861703f96 322 return;
kris@kris-X682X 9:92d861703f96 323 } else {
kris@kris-X682X 9:92d861703f96 324 // printf(
kris@kris-X682X 9:92d861703f96 325 // "Skip processing of characteristic %u\r\n",
kris@kris-X682X 9:92d861703f96 326 // _it->value.getValueHandle()
kris@kris-X682X 9:92d861703f96 327 // );
kris@kris-X682X 9:92d861703f96 328 // _it = _it->next;
kris@kris-X682X 9:92d861703f96 329 }
kris@kris-X682X 9:92d861703f96 330
kris@kris-X682X 9:92d861703f96 331 }
kris@kris-X682X 9:92d861703f96 332
kris@kris-X682X 9:92d861703f96 333 printf("All characteristics discovered have been processed.\r\n");
kris@kris-X682X 9:92d861703f96 334 }
kris@kris-X682X 9:92d861703f96 335 /**
kris@kris-X682X 9:92d861703f96 336 * Initate the read of the characteristic in input.
kris@kris-X682X 9:92d861703f96 337 *
kris@kris-X682X 9:92d861703f96 338 * The completion of the operation will happens in when_characteristic_read()
kris@kris-X682X 9:92d861703f96 339 */
kris@kris-X682X 9:92d861703f96 340 void read_characteristic(const DiscoveredCharacteristic &characteristic)
kris@kris-X682X 9:92d861703f96 341 {
kris@kris-X682X 9:92d861703f96 342 printf("Initiating read at %u.\r\n", characteristic.getValueHandle());
kris@kris-X682X 9:92d861703f96 343 ble_error_t error = characteristic.read(
kris@kris-X682X 9:92d861703f96 344 0, makeFunctionPointer(this, &Self::when_characteristic_read)
kris@kris-X682X 9:92d861703f96 345 );
kris@kris-X682X 9:92d861703f96 346
kris@kris-X682X 9:92d861703f96 347 if (error) {
kris@kris-X682X 9:92d861703f96 348 printf(
kris@kris-X682X 9:92d861703f96 349 "Error: cannot initiate read at %u due to %u\r\n",
kris@kris-X682X 9:92d861703f96 350 characteristic.getValueHandle(), error
kris@kris-X682X 9:92d861703f96 351 );
kris@kris-X682X 9:92d861703f96 352 }
kris@kris-X682X 9:92d861703f96 353 }
kris@kris-X682X 9:92d861703f96 354
kris@kris-X682X 9:92d861703f96 355 /**
kris@kris-X682X 9:92d861703f96 356 * Handle the reception of a read response.
kris@kris-X682X 9:92d861703f96 357 *
kris@kris-X682X 9:92d861703f96 358 * If the characteristic can emit notification or indication then start the
kris@kris-X682X 9:92d861703f96 359 * discovery of the the characteristic descriptors then subscribe to the
kris@kris-X682X 9:92d861703f96 360 * server initiated event by writing the CCCD discovered. Otherwise start
kris@kris-X682X 9:92d861703f96 361 * the processing of the next characteristic discovered in the server.
kris@kris-X682X 9:92d861703f96 362 */
kris@kris-X682X 9:92d861703f96 363 void when_characteristic_read(const GattReadCallbackParams *read_event)
kris@kris-X682X 9:92d861703f96 364 {
kris@kris-X682X 9:92d861703f96 365 printf("\tCharacteristic value at %u equal to: ", read_event->handle);
kris@kris-X682X 9:92d861703f96 366 for (size_t i = 0; i < read_event->len; ++i) {
kris@kris-X682X 9:92d861703f96 367 printf("0x%02X ", read_event->data[i]);
kris@kris-X682X 9:92d861703f96 368 }
kris@kris-X682X 9:92d861703f96 369 printf(".\r\n");
kris@kris-X682X 9:92d861703f96 370
kris@kris-X682X 9:92d861703f96 371 // Properties_t properties = _>getProperties();
kris@kris-X682X 9:92d861703f96 372
kris@kris-X682X 9:92d861703f96 373 // if(properties.notify() || properties.indicate()) {
kris@kris-X682X 9:92d861703f96 374 // discover_descriptors(_it->value);
kris@kris-X682X 9:92d861703f96 375 // } else {
kris@kris-X682X 9:92d861703f96 376 // process_next_characteristic();
kris@kris-X682X 9:92d861703f96 377 // }
kris@kris-X682X 9:92d861703f96 378 }
kris@kris-X682X 9:92d861703f96 379
kris@kris-X682X 6:ee9c86f06eae 380 /* Event handler */
kris@kris-X682X 6:ee9c86f06eae 381
kris@kris-X682X 6:ee9c86f06eae 382 /** This is called by Gap to notify the application we disconnected,
kris@kris-X682X 6:ee9c86f06eae 383 * in our case it ends the demonstration. */
kris@kris-X682X 6:ee9c86f06eae 384 virtual void onDisconnectionComplete(const ble::DisconnectionCompleteEvent &)
kris@kris-X682X 6:ee9c86f06eae 385 {
kris@kris-X682X 7:9cda1b0f25ae 386 printf("Disconnected\r\n");
kris@kris-X682X 6:ee9c86f06eae 387 _event_queue.break_dispatch();
kris@kris-X682X 7:9cda1b0f25ae 388 //And/or resume advertising?
kris@kris-X682X 7:9cda1b0f25ae 389
kris@kris-X682X 6:ee9c86f06eae 390 };
kris@kris-X682X 6:ee9c86f06eae 391
kris@kris-X682X 6:ee9c86f06eae 392 virtual void onAdvertisingEnd(const ble::AdvertisingEndEvent &)
kris@kris-X682X 6:ee9c86f06eae 393 {
kris@kris-X682X 6:ee9c86f06eae 394
kris@kris-X682X 6:ee9c86f06eae 395 printf("Advertising timed out - aborting advertisting\r\n");
kris@kris-X682X 6:ee9c86f06eae 396 // _event_queue.break_dispatch();
kris@kris-X682X 6:ee9c86f06eae 397 }
kris@kris-X682X 6:ee9c86f06eae 398
kris@kris-X682X 6:ee9c86f06eae 399 virtual void onScanTimeout(const ble::ScanTimeoutEvent &)
kris@kris-X682X 6:ee9c86f06eae 400 {
kris@kris-X682X 6:ee9c86f06eae 401 printf("Scan timed out - aborting\r\n");
kris@kris-X682X 6:ee9c86f06eae 402 _event_queue.break_dispatch();
kris@kris-X682X 6:ee9c86f06eae 403 }
kris@kris-X682X 6:ee9c86f06eae 404
kris@kris-X682X 9:92d861703f96 405 /** This is called by Gap to notify the application we connected,
kris@kris-X682X 9:92d861703f96 406 * in our case it immediately request pairing */
kris@kris-X682X 9:92d861703f96 407 virtual void onConnectionComplete(const ble::ConnectionCompleteEvent &event)
kris@kris-X682X 9:92d861703f96 408 {
kris@kris-X682X 9:92d861703f96 409 if (event.getStatus() == BLE_ERROR_NONE) {
kris@kris-X682X 9:92d861703f96 410 /* store the handle for future Security Manager requests */
kris@kris-X682X 9:92d861703f96 411 _handle = event.getConnectionHandle();
kris@kris-X682X 9:92d861703f96 412
kris@kris-X682X 9:92d861703f96 413 printf("Connected\r\n");
kris@kris-X682X 9:92d861703f96 414
kris@kris-X682X 9:92d861703f96 415 /* in this example the local device is the master so we request pairing */
kris@kris-X682X 9:92d861703f96 416 // ble_error_t error = _ble.securityManager().requestPairing(_handle);
kris@kris-X682X 9:92d861703f96 417
kris@kris-X682X 9:92d861703f96 418 // if (error) {
kris@kris-X682X 9:92d861703f96 419 // printf("Error during SM::requestPairing %d\r\n", error);
kris@kris-X682X 9:92d861703f96 420 // return;
kris@kris-X682X 9:92d861703f96 421 // }
kris@kris-X682X 9:92d861703f96 422 _ble.gattClient().onServiceDiscoveryTermination(makeFunctionPointer(this, &Self::when_service_discovery_ends));
kris@kris-X682X 9:92d861703f96 423 _ble.gattClient().launchServiceDiscovery(_handle, makeFunctionPointer(this, &Self::when_service_discovered), makeFunctionPointer(this, &Self::when_characteristic_discovered));
kris@kris-X682X 9:92d861703f96 424 /* upon pairing success the application will disconnect */
kris@kris-X682X 9:92d861703f96 425 }
kris@kris-X682X 9:92d861703f96 426
kris@kris-X682X 9:92d861703f96 427 /* failed to connect - restart scan */
kris@kris-X682X 9:92d861703f96 428 // ble_error_t error = _ble.gap().startScan();
kris@kris-X682X 9:92d861703f96 429
kris@kris-X682X 9:92d861703f96 430 // if (error) {
kris@kris-X682X 9:92d861703f96 431 // print_error(error, "Error in Gap::startScan %d\r\n");
kris@kris-X682X 9:92d861703f96 432 // return;
kris@kris-X682X 9:92d861703f96 433 // }
kris@kris-X682X 9:92d861703f96 434 }
kris@kris-X682X 9:92d861703f96 435
kris@kris-X682X 6:ee9c86f06eae 436 private:
kris@kris-X682X 6:ee9c86f06eae 437 DigitalOut _led1;
kris@kris-X682X 6:ee9c86f06eae 438
kris@kris-X682X 6:ee9c86f06eae 439 protected:
kris@kris-X682X 6:ee9c86f06eae 440 BLE &_ble;
kris@kris-X682X 6:ee9c86f06eae 441 events::EventQueue &_event_queue;
kris@kris-X682X 6:ee9c86f06eae 442 ble::connection_handle_t _handle;
kris@kris-X682X 6:ee9c86f06eae 443 bool _is_connecting;
kris@kris-X682X 9:92d861703f96 444 bool hi;
kris@kris-X682X 9:92d861703f96 445 const DiscoveredCharacteristic *_interest_characteristic;
kris@kris-X682X 9:92d861703f96 446
kris@kris-X682X 6:ee9c86f06eae 447 };
kris@kris-X682X 6:ee9c86f06eae 448
kris@kris-X682X 6:ee9c86f06eae 449
kris@kris-X682X 6:ee9c86f06eae 450
kris@kris-X682X 6:ee9c86f06eae 451 #endif //SSS_BLE_BLEDEVICE_H