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Dependencies: BLE_API BLE_BlueNRG mbed
Fork of BLE_HeartRate by
Diff: main.cpp
- Revision:
- 22:299658c5fa3c
- Parent:
- 20:58bff62d0f7a
- Child:
- 26:e6ad33b227c6
--- a/main.cpp Wed Jun 11 14:52:56 2014 +0100
+++ b/main.cpp Thu Jun 12 08:12:51 2014 +0100
@@ -18,12 +18,10 @@
#include "BLEDevice.h"
BLEDevice ble;
-
DigitalOut led1(LED1);
#define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console;
- * it will have an impact on code-size and power
- * consumption. */
+ * it will have an impact on code-size and power consumption. */
#if NEED_CONSOLE_OUTPUT
Serial pc(USBTX, USBRX);
@@ -32,15 +30,6 @@
#define DEBUG(...) /* nothing */
#endif /* #if NEED_CONSOLE_OUTPUT */
-/* Battery Level Service */
-uint8_t batt = 72; /* Battery level */
-GattCharacteristic battLevel (GattCharacteristic::UUID_BATTERY_LEVEL_CHAR, &batt, sizeof(batt), sizeof(batt),
- GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
-GattCharacteristic *battChars[] = {
- &battLevel,
-};
-GattService battService (GattService::UUID_BATTERY_SERVICE, battChars, sizeof(battChars) / sizeof(GattCharacteristic *));
-
/* Heart Rate Service */
/* Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.heart_rate.xml */
/* HRM Char: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */
@@ -53,28 +42,9 @@
GattCharacteristic hrmLocation(GattCharacteristic::UUID_BODY_SENSOR_LOCATION_CHAR,
(uint8_t *)&location, sizeof(location), sizeof(location),
GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
-GattCharacteristic *hrmChars[] = {
- &hrmRate, &hrmLocation,
-};
+GattCharacteristic *hrmChars[] = {&hrmRate, &hrmLocation, };
GattService hrmService(GattService::UUID_HEART_RATE_SERVICE, hrmChars, sizeof(hrmChars) / sizeof(GattCharacteristic *));
-/* Device Information service */
-static const uint8_t deviceName[] = {'m', 'b', 'e', 'd'};
-GattCharacteristic deviceManufacturer (GattCharacteristic::UUID_MANUFACTURER_NAME_STRING_CHAR,
- (uint8_t *)deviceName, sizeof(deviceName), sizeof(deviceName),
- GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
-GattCharacteristic *devInfoChars[] = {
- &deviceManufacturer,
-};
-GattService deviceInformationService (GattService::UUID_DEVICE_INFORMATION_SERVICE,
- devInfoChars, sizeof(devInfoChars) / sizeof(GattCharacteristic *));
-
-static const uint16_t uuid16_list[] = {
- GattService::UUID_BATTERY_SERVICE,
- GattService::UUID_DEVICE_INFORMATION_SERVICE,
- GattService::UUID_HEART_RATE_SERVICE
-};
-
void disconnectionCallback(void)
{
DEBUG("Disconnected!\n\r");
@@ -83,21 +53,13 @@
}
/**
- * Runs once a second in interrupt context triggered by the 'ticker'; updates
- * battery level and hrmCounter if there is a connection.
+ * Triggered periodically by the 'ticker' interrupt; updates hrmCounter.
*/
void periodicCallback(void)
{
led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
if (ble.getGapState().connected) {
- /* Update battery level */
- batt++;
- if (batt > 100) {
- batt = 72;
- }
- ble.updateCharacteristicValue(battLevel.getHandle(), (uint8_t *)&batt, sizeof(batt));
-
/* 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 */
@@ -118,20 +80,15 @@
DEBUG("Initialising the nRF51822\n\r");
ble.init();
-
- /* Setup the local GAP/GATT event handlers */
ble.onDisconnection(disconnectionCallback);
/* setup advertising */
ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
- ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
ble.accumulateAdvertisingPayload(GapAdvertisingData::HEART_RATE_SENSOR_HEART_RATE_BELT);
ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
ble.startAdvertising();
- ble.addService(deviceInformationService);
- ble.addService(battService);
ble.addService(hrmService);
while (true) {
