Bluetooth Low Energy
High level Bluetooth Low Energy API and radio abstraction layer
Dependents: BLE_ANCS_SDAPI BLE_temperature BLE_HeartRate BLE_ANCS_SDAPI_IRC ... more
Overview
The BLE_API is a high level abstraction for using Bluetooth Low Energy on multiple platforms. For details and examples using the BLE_API please see the BLE_API Summary Page. Or click on the API Documentation tab above.
Supported Services
Supported services can be found in the BLE_API/services folder.
Revision 835:6556fcb2f51d, committed 2015-11-02
- Comitter:
- rgrover1
- Date:
- Mon Nov 02 09:09:03 2015 +0000
- Parent:
- 834:44e2b14acd89
- Child:
- 836:09dba2bf7c82
- Commit message:
- Synchronized with git rev f0f42d11
Author: Xabi Crespo
Support for Environmental Service (temperature, pressure and humidity characteristics)
Changed in this revision
--- a/ble/GattCharacteristic.h Mon Nov 02 09:09:03 2015 +0000
+++ b/ble/GattCharacteristic.h Mon Nov 02 09:09:03 2015 +0000
@@ -57,6 +57,7 @@
UUID_HEART_RATE_MEASUREMENT_CHAR = 0x2A37,
UUID_HID_CONTROL_POINT_CHAR = 0x2A4C,
UUID_HID_INFORMATION_CHAR = 0x2A4A,
+ UUID_HUMIDITY_CHAR = 0x2A6F,
UUID_IEEE_REGULATORY_CERTIFICATION_DATA_LIST_CHAR = 0x2A2A,
UUID_INTERMEDIATE_CUFF_PRESSURE_CHAR = 0x2A36,
UUID_INTERMEDIATE_TEMPERATURE_CHAR = 0x2A1E,
@@ -67,6 +68,7 @@
UUID_UNREAD_ALERT_CHAR = 0x2A45,
UUID_NEW_ALERT_CHAR = 0x2A46,
UUID_PNP_ID_CHAR = 0x2A50,
+ UUID_PRESSURE_CHAR = 0x2A6D,
UUID_PROTOCOL_MODE_CHAR = 0x2A4E,
UUID_RECORD_ACCESS_CONTROL_POINT_CHAR = 0x2A52,
UUID_REFERENCE_TIME_INFORMATION_CHAR = 0x2A14,
@@ -81,6 +83,7 @@
UUID_SUPPORTED_NEW_ALERT_CATEGORY_CHAR = 0x2A47,
UUID_SUPPORTED_UNREAD_ALERT_CATEGORY_CHAR = 0x2A48,
UUID_SYSTEM_ID_CHAR = 0x2A23,
+ UUID_TEMPERATURE_CHAR = 0x2A6E,
UUID_TEMPERATURE_MEASUREMENT_CHAR = 0x2A1C,
UUID_TEMPERATURE_TYPE_CHAR = 0x2A1D,
UUID_TIME_ACCURACY_CHAR = 0x2A12,
@@ -93,7 +96,7 @@
UUID_CSC_FEATURE_CHAR = 0x2A5C,
UUID_CSC_MEASUREMENT_CHAR = 0x2A5B,
UUID_RSC_FEATURE_CHAR = 0x2A54,
- UUID_RSC_MEASUREMENT_CHAR = 0x2A53,
+ UUID_RSC_MEASUREMENT_CHAR = 0x2A53
};
/**************************************************************************/
--- a/ble/GattService.h Mon Nov 02 09:09:03 2015 +0000
+++ b/ble/GattService.h Mon Nov 02 09:09:03 2015 +0000
@@ -29,6 +29,7 @@
UUID_CURRENT_TIME_SERVICE = 0x1805,
UUID_CYCLING_SPEED_AND_CADENCE = 0x1816,
UUID_DEVICE_INFORMATION_SERVICE = 0x180A,
+ UUID_ENVIRONMENTAL_SERVICE = 0x181A,
UUID_GLUCOSE_SERVICE = 0x1808,
UUID_HEALTH_THERMOMETER_SERVICE = 0x1809,
UUID_HEART_RATE_SERVICE = 0x180D,
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ble/services/EnvironmentalService.h Mon Nov 02 09:09:03 2015 +0000
@@ -0,0 +1,102 @@
+
+#ifndef __BLE_ENVIRONMENTAL_SERVICE_H__
+#define __BLE_ENVIRONMENTAL_SERVICE_H__
+
+#include "ble/BLE.h"
+
+ /**
+* @class EnvironmentalService
+* @brief BLE Environmental Service. This service provides the location of the thermometer and the temperature. <br>
+* Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.environmental_sensing.xml <br>
+* Temperature: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature.xml <br>
+* Humidity: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.humidity.xml <br>
+* Pressure: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.pressure.xml
+*/
+class EnvironmentalService {
+public:
+ /**
+ * @brief EnvironmentalService constructor.
+ * @param ble Reference to BLE device.
+ * @param temperature_en Enable this characteristic.
+ * @param humidity_en Enable this characteristic.
+ * @param pressure_en Enable this characteristic.
+ */
+ EnvironmentalService(BLE &_ble,
+ bool temperature_en = false,
+ bool humidity_en = false,
+ bool pressure_en = false) :
+ ble(_ble),
+ temperatureCharacteristic(GattCharacteristic::UUID_TEMPERATURE_CHAR,
+ (uint8_t *) &temperature,
+ (temperature_en) ? 2 : 0, // minLength
+ (temperature_en) ? 2 : 0, // maxLength
+ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
+ humidityCharacteristic(GattCharacteristic::UUID_HUMIDITY_CHAR,
+ (uint8_t *) &humidity,
+ (humidity_en) ? 2 : 0, // minLength
+ (humidity_en) ? 2 : 0, // maxLength
+ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
+ pressureCharacteristic(GattCharacteristic::UUID_PRESSURE_CHAR,
+ (uint8_t *) &pressure,
+ (pressure_en) ? 4 : 0, // minLength
+ (pressure_en) ? 4 : 0, // maxLength
+ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ)
+ {
+ static bool serviceAdded = false; /* We should only ever need to add the information service once. */
+ if (serviceAdded) {
+ return;
+ }
+
+ GattCharacteristic *charTable[] = { &humidityCharacteristic,
+ &pressureCharacteristic,
+ &temperatureCharacteristic };
+
+ GattService environmentalService(GattService::UUID_ENVIRONMENTAL_SERVICE, charTable,
+ sizeof(charTable) / sizeof(GattCharacteristic *));
+
+ ble.gattServer().addService(environmentalService);
+ serviceAdded = true;
+ }
+
+ /**
+ * @brief Update humidity characteristic.
+ * @param newHumidityVal New humidity measurement.
+ */
+ void updateHumidity(uint16_t newHumidityVal)
+ {
+ humidity = (uint32_t) (newHumidityVal*100);
+ ble.gattServer().write(humidityCharacteristic.getValueHandle(), (uint8_t *) &humidity, 2);
+ }
+
+ /**
+ * @brief Update pressure characteristic.
+ * @param newPressureVal New pressure measurement.
+ */
+ void updatePressure(uint32_t newPressureVal)
+ {
+ pressure = (uint32_t) (newPressureVal*10);
+ ble.gattServer().write(pressureCharacteristic.getValueHandle(), (uint8_t *) &pressure, 4);
+ }
+
+ /**
+ * @brief Update temperature characteristic.
+ * @param newTemperatureVal New temperature measurement.
+ */
+ void updateTemperature(float newTemperatureVal)
+ {
+ temperature = (int16_t) (newTemperatureVal*100);
+ ble.gattServer().write(temperatureCharacteristic.getValueHandle(), (uint8_t *) &temperature, 2);
+ }
+
+private:
+ BLE &ble;
+
+ int16_t temperature;
+ GattCharacteristic temperatureCharacteristic;
+ uint16_t humidity;
+ GattCharacteristic humidityCharacteristic;
+ uint32_t pressure;
+ GattCharacteristic pressureCharacteristic;
+};
+
+#endif /* #ifndef __BLE_ENVIRONMENTAL_SERVICE_H__*/
\ No newline at end of file
--- a/ble/services/LinkLossService.h Mon Nov 02 09:09:03 2015 +0000
+++ b/ble/services/LinkLossService.h Mon Nov 02 09:09:03 2015 +0000
@@ -55,7 +55,7 @@
ble.addService(linkLossService);
serviceAdded = true;
- ble.onDisconnection(this, &LinkLossService::onDisconnectionFilter);
+ ble.addToDisconnectionCallChain(this, &LinkLossService::onDisconnectionFilter);
ble.onDataWritten(this, &LinkLossService::onDataWritten);
}
@@ -86,7 +86,7 @@
}
}
- void onDisconnectionFilter(const Gap::DisconnectionCallbackParams_t *params) {
+ void onDisconnectionFilter(void) {
if (alertLevel != NO_ALERT) {
callback(alertLevel);
}