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ble transmitter
Dependencies: mbed BLE_API nRF51822
Diff: transmitter_main.cpp
- Revision:
- 3:76b8337374e7
- Parent:
- 2:f8dfdded83bf
- Child:
- 4:c3123e9e7d39
--- a/transmitter_main.cpp Wed Apr 17 20:32:42 2019 +0000 +++ b/transmitter_main.cpp Wed Apr 17 21:05:11 2019 +0000 @@ -8,51 +8,63 @@ #define BATTERY_PIN p1 DigitalOut led1(p21); -const static char DEVICE_NAME[] = "Joe-Aidan"; struct Packet { - uint32_t increasing_sequence; + uint32_t seqNum; }; +BLE ble; +const static char DEVICE_NAME[] = "JOEY"; static volatile bool triggerSensorPolling = false; + void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising(); // restart advertising } + +void updatePayload(void) +{ + static Packet p; + ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&p, sizeof(p)); + (p.seqNum)++; +} + void periodicCallback(void) { led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ + updatePayload(); + /* Note that the periodicCallback() executes in interrupt context, so it is safer to do * heavy-weight sensor polling from the main thread. */ triggerSensorPolling = true; } + void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) { - BLE &ble = params->ble; + BLE &localble = params->ble; ble_error_t error = params->error; + if (error != BLE_ERROR_NONE) { return; } - ble.gap().onDisconnection(disconnectionCallback); - /* Setup primary service. */ - // hrService = new HeartRateService(ble, hrmCounter, HeartRateService::LOCATION_FINGER); - /* Setup auxiliary service. */ - // deviceInfo = new DeviceInformationService(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1"); - /* Setup advertising. */ - // ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); - // ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); - // ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR); - ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); - ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); - ble.gap().setAdvertisingInterval(1000); /* 1000ms */ - ble.gap().startAdvertising(); + + localble.gap().onDisconnection(disconnectionCallback); + + localble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); + updatePayload(); + + localble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + localble.gap().setAdvertisingInterval(1000); /* 1000ms */ + localble.gap().startAdvertising(); } + int main(void) { led1 = 1; + Ticker ticker; - ticker.attach(periodicCallback, 1); // blink LED every second - BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE); + ticker.attach(periodicCallback, 1); + ble.init(bleInitComplete); /* SpinWait for initialization to complete. This is necessary because the