ble transmitter

Dependencies:   mbed BLE_API nRF51822

Committer:
jzabins2
Date:
Wed Apr 17 20:32:42 2019 +0000
Revision:
2:f8dfdded83bf
Parent:
1:6659687d9cb0
Child:
3:76b8337374e7
Imported libraries and corrected pins

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aidanjabb 0:37b6e6dc1a2f 1 #include "mbed.h"
aidanjabb 0:37b6e6dc1a2f 2 #include "ble/BLE.h"
jzabins2 2:f8dfdded83bf 3
aidanjabb 0:37b6e6dc1a2f 4 #define LED_RED p22
jzabins2 2:f8dfdded83bf 5 #define LED_GREEN p21
jzabins2 2:f8dfdded83bf 6 #define LED_BLUE p23
jzabins2 2:f8dfdded83bf 7 #define BUTTON_PIN p17
jzabins2 2:f8dfdded83bf 8 #define BATTERY_PIN p1
jzabins2 2:f8dfdded83bf 9
aidanjabb 0:37b6e6dc1a2f 10 DigitalOut led1(p21);
jzabins2 2:f8dfdded83bf 11 const static char DEVICE_NAME[] = "Joe-Aidan";
aidanjabb 0:37b6e6dc1a2f 12
jzabins2 2:f8dfdded83bf 13 struct Packet {
jzabins2 2:f8dfdded83bf 14 uint32_t increasing_sequence;
jzabins2 2:f8dfdded83bf 15 };
jzabins2 2:f8dfdded83bf 16
aidanjabb 0:37b6e6dc1a2f 17 static volatile bool triggerSensorPolling = false;
aidanjabb 0:37b6e6dc1a2f 18 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
aidanjabb 0:37b6e6dc1a2f 19 {
aidanjabb 0:37b6e6dc1a2f 20 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising(); // restart advertising
aidanjabb 0:37b6e6dc1a2f 21 }
aidanjabb 0:37b6e6dc1a2f 22 void periodicCallback(void)
aidanjabb 0:37b6e6dc1a2f 23 {
aidanjabb 0:37b6e6dc1a2f 24 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
aidanjabb 0:37b6e6dc1a2f 25 /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
aidanjabb 0:37b6e6dc1a2f 26 * heavy-weight sensor polling from the main thread. */
aidanjabb 0:37b6e6dc1a2f 27 triggerSensorPolling = true;
aidanjabb 0:37b6e6dc1a2f 28 }
aidanjabb 0:37b6e6dc1a2f 29 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
aidanjabb 0:37b6e6dc1a2f 30 {
aidanjabb 0:37b6e6dc1a2f 31 BLE &ble = params->ble;
aidanjabb 0:37b6e6dc1a2f 32 ble_error_t error = params->error;
aidanjabb 0:37b6e6dc1a2f 33 if (error != BLE_ERROR_NONE) {
aidanjabb 0:37b6e6dc1a2f 34 return;
aidanjabb 0:37b6e6dc1a2f 35 }
aidanjabb 0:37b6e6dc1a2f 36 ble.gap().onDisconnection(disconnectionCallback);
aidanjabb 0:37b6e6dc1a2f 37 /* Setup primary service. */
aidanjabb 0:37b6e6dc1a2f 38 // hrService = new HeartRateService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
aidanjabb 0:37b6e6dc1a2f 39 /* Setup auxiliary service. */
aidanjabb 0:37b6e6dc1a2f 40 // deviceInfo = new DeviceInformationService(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
aidanjabb 0:37b6e6dc1a2f 41 /* Setup advertising. */
aidanjabb 0:37b6e6dc1a2f 42 // ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
aidanjabb 0:37b6e6dc1a2f 43 // ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
aidanjabb 0:37b6e6dc1a2f 44 // ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
aidanjabb 0:37b6e6dc1a2f 45 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
aidanjabb 0:37b6e6dc1a2f 46 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
aidanjabb 0:37b6e6dc1a2f 47 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
aidanjabb 0:37b6e6dc1a2f 48 ble.gap().startAdvertising();
aidanjabb 0:37b6e6dc1a2f 49 }
aidanjabb 0:37b6e6dc1a2f 50 int main(void)
aidanjabb 0:37b6e6dc1a2f 51 {
aidanjabb 0:37b6e6dc1a2f 52 led1 = 1;
aidanjabb 0:37b6e6dc1a2f 53 Ticker ticker;
aidanjabb 0:37b6e6dc1a2f 54 ticker.attach(periodicCallback, 1); // blink LED every second
aidanjabb 0:37b6e6dc1a2f 55 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
aidanjabb 0:37b6e6dc1a2f 56 ble.init(bleInitComplete);
aidanjabb 0:37b6e6dc1a2f 57
aidanjabb 0:37b6e6dc1a2f 58 /* SpinWait for initialization to complete. This is necessary because the
aidanjabb 0:37b6e6dc1a2f 59 * BLE object is used in the main loop below. */
aidanjabb 0:37b6e6dc1a2f 60 while (ble.hasInitialized() == false) { /* spin loop */ }
aidanjabb 0:37b6e6dc1a2f 61
aidanjabb 0:37b6e6dc1a2f 62 while (1) {
aidanjabb 0:37b6e6dc1a2f 63 // check for trigger from periodicCallback()
aidanjabb 0:37b6e6dc1a2f 64 if (triggerSensorPolling && ble.getGapState().connected) {
aidanjabb 0:37b6e6dc1a2f 65 triggerSensorPolling = false;
aidanjabb 0:37b6e6dc1a2f 66 } else {
aidanjabb 0:37b6e6dc1a2f 67 ble.waitForEvent(); // low power wait for event
aidanjabb 0:37b6e6dc1a2f 68 }
aidanjabb 0:37b6e6dc1a2f 69 }
aidanjabb 0:37b6e6dc1a2f 70 }