High level Bluetooth Low Energy API and radio abstraction layer
Fork of BLE_API by
Diff: main.cpp
- Revision:
- 16:542a9db01350
- Parent:
- 15:327d7329072c
- Child:
- 23:f19c60478e1b
--- a/main.cpp Wed Dec 18 12:07:38 2013 +0000 +++ b/main.cpp Wed Dec 18 18:02:45 2013 +0000 @@ -1,89 +1,38 @@ #include "mbed.h" - #include "uuid.h" -#include "GattService.h" -#include "GattCharacteristic.h" #include "hw/nrf51822.h" DigitalOut myled ( LED1 ); -/* Radio HW abstraction layer */ +/* Radio HW */ nRF51822 radio; -/* Heart Rate Monitor Service */ -/* See --> https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.heart_rate.xml */ -GattService hrmService ( 0x180D ); -GattCharacteristic hrmRate ( 0x2A37, 2, 3, BLE_GATT_CHAR_PROPERTIES_NOTIFY ); -GattCharacteristic hrmLocation ( 0x2A39, 1, 1, BLE_GATT_CHAR_PROPERTIES_READ ); - -/* GAP Advertising Example (iBeacon) */ -GapAdvertisingParams advParams ( GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED ); -GapAdvertisingData advData; -GapAdvertisingData scanResponse; - -uint8_t iBeaconPayload[25] = { 0x4C, 0x00, 0x02, 0x15, 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, 0x00, 0x00, 0x00, 0x00, 0xC8 }; - void startBeacon(void) { + GapAdvertisingParams advParams ( GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED ); + GapAdvertisingData advData; + GapAdvertisingData scanResponse; + + uint8_t iBeaconPayload[25] = { 0x4C, 0x00, 0x02, 0x15, 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, 0x00, 0x00, 0x00, 0x00, 0xC8 }; + + /* ToDo: Check error conditions in a shared ASSERT with debug output via printf */ ble_error_t error; /* iBeacon includes the FLAG and MSD fields */ - advData.addFlags(GapAdvertisingData::BREDR_NOT_SUPPORTED); - advData.addData(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, iBeaconPayload, 25); - + error = advData.addFlags(GapAdvertisingData::BREDR_NOT_SUPPORTED); + error = advData.addData(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, iBeaconPayload, 25); + error = radio.reset(); error = radio.setAdvertising(advParams, advData, scanResponse); error = radio.start(); } -void startHRM(void) -{ - uint8_t hrmCounter = 100; - - /* Add the heart rate and sensor location chars to the HRM service */ - hrmService.addCharacteristic(hrmRate); - hrmService.addCharacteristic(hrmLocation); - - /* Reset the BLE hardware to make sure we get a clean start */ - wait(2); - radio.reset(); - - /* Add the services to the radio HAL */ - radio.addService(hrmService); - - /* Start the services so that we can start pushing data out */ - radio.start(); - - /* Set the heart rate monitor location (one time only) */ - /* See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.body_sensor_location.xml */ - uint8_t location = 0x01; /* Chest */ - radio.writeCharacteristic(hrmService, hrmLocation, (uint8_t*)&location, sizeof(location)); - - while(1) - { - myled = 1; - wait(0.1); - myled = 0; - wait(0.1); - - /* Update the HRM measurement */ - /* First byte = 8-bit values, no extra info, Second byte = uint8_t HRM value */ - /* See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */ - hrmCounter++; - if (hrmCounter == 175) hrmCounter = 100; - uint8_t bpm[2] = { 0x00, hrmCounter }; - radio.writeCharacteristic(hrmService, hrmRate, bpm, 2); - } -} - int main() { /* Give the radio some time to boot up and settle */ wait(2); - /* Only use one of these two options! */ startBeacon(); - // startHRM(); while(1); }