ble transmitter
Dependencies: mbed BLE_API nRF51822
Diff: transmitter_main.cpp
- Revision:
- 0:37b6e6dc1a2f
- Child:
- 1:6659687d9cb0
diff -r 000000000000 -r 37b6e6dc1a2f transmitter_main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/transmitter_main.cpp Wed Apr 17 20:12:27 2019 +0000 @@ -0,0 +1,69 @@ +#include "mbed.h" +#include "ble/BLE.h" +//#define LED_RED p21 +//#define LED_GREEN p22 +//#define LED_BLUE p23 +//#define BUTTON_PIN p17 +//#define BATTERY_PIN p1 +#define LED_RED p22 +DigitalOut led1(p21); + +typedef struct packet { + int increasing_sequence = 23; + const static char DEVICE_NAME[] = "Joe-Aidan"; +} + +static volatile bool triggerSensorPolling = false; +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) +{ + BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising(); // restart advertising +} +void periodicCallback(void) +{ + led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ + /* 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_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(); +} +int main(void) +{ + led1 = 1; + Ticker ticker; + ticker.attach(periodicCallback, 1); // blink LED every second + BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE); + ble.init(bleInitComplete); + + /* SpinWait for initialization to complete. This is necessary because the + * BLE object is used in the main loop below. */ + while (ble.hasInitialized() == false) { /* spin loop */ } + + while (1) { + // check for trigger from periodicCallback() + if (triggerSensorPolling && ble.getGapState().connected) { + triggerSensorPolling = false; + } else { + ble.waitForEvent(); // low power wait for event + } + } +} \ No newline at end of file