Lancaster University
/
BLE_API
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Dependents: microbit-dal microbit-dal microbit-ble-open microbit-dal ... more
Fork of
BLE_API
by 
Bluetooth Low Energy
Diff: services/URIBeaconConfigService.h
- Revision:
- 218:8ae02569fab9
- Parent:
- 217:b48d47c39020
- Child:
- 219:5603d539120c
diff -r b48d47c39020 -r 8ae02569fab9 services/URIBeaconConfigService.h
--- a/services/URIBeaconConfigService.h Mon Dec 01 14:31:19 2014 +0000
+++ b/services/URIBeaconConfigService.h Mon Dec 01 14:31:19 2014 +0000
@@ -28,6 +28,7 @@
const uint8_t uriDataCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x84);
const uint8_t flagsCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x85);
const uint8_t txPowerLevelsCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x86);
+const uint8_t txPowerModeCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x87);
const uint8_t beaconPeriodCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x88);
const uint8_t resetCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x89);
@@ -48,18 +49,21 @@
* URI as a null-terminated string.
* @param[in] flagsIn
* UriBeacon Flags.
- * @param[in] effectiveTxPowerIn
- * UriBeacon Tx Power Level in dBm.
+ * @param[in] powerLevels[]
+ * Table of UriBeacon Tx Power Levels in dBm.
+ * @param[in] powerMode
+ * Currently effective power mode.
* @param[in] beaconPeriodIn
* The period in milliseconds that a UriBeacon packet is
* transmitted. A value of zero disables UriBeacon
* transmissions.
*/
- URIBeaconConfigService(BLEDevice &bleIn,
- const char *uriDataIn,
- uint8_t flagsIn = 0,
- int8_t effectiveTxPowerIn = 0,
- uint16_t beaconPeriodIn = 1000) :
+ URIBeaconConfigService(BLEDevice &bleIn,
+ const char *uriDataIn,
+ uint8_t flagsIn = 0,
+ const int8_t powerLevelsIn[NUM_POWER_MODES] = NULL,
+ TXPowerModes_t powerModeIn = TX_POWER_MODE_LOW,
+ uint16_t beaconPeriodIn = 1000) :
ble(bleIn),
payloadIndex(0),
serviceDataPayload(),
@@ -68,7 +72,6 @@
uriDataLength(0),
uriData(),
flags(flagsIn),
- effectiveTxPower(effectiveTxPowerIn),
powerLevels(),
beaconPeriod(beaconPeriodIn),
lockedStateChar(lockedStateCharUUID, reinterpret_cast<uint8_t *>(&lockedState), 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
@@ -80,6 +83,8 @@
NUM_POWER_MODES * sizeof(int8_t),
NUM_POWER_MODES * sizeof(int8_t),
GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
+ txPowerModeChar(txPowerModeCharUUID, reinterpret_cast<uint8_t *>(&txPowerMode), sizeof(uint8_t), sizeof(uint8_t),
+ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
beaconPeriodChar(beaconPeriodCharUUID, reinterpret_cast<uint8_t *>(&beaconPeriod), 2, 2,
GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE),
resetChar(resetCharUUID, reinterpret_cast<uint8_t *>(&resetFlag), 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE)
@@ -89,6 +94,11 @@
}
strcpy(reinterpret_cast<char *>(uriData), uriDataIn);
+ if (powerModeIn != NULL) {
+ memcpy(powerLevels, powerLevelsIn, sizeof(powerLevels));
+ updateTxPowerLevelsCharacteristic();
+ }
+
configureGAP();
GattCharacteristic *charTable[] = {&lockedStateChar, &uriDataChar, &flagsChar, &txPowerLevelsChar, &beaconPeriodChar, &resetChar};
@@ -141,8 +151,9 @@
* Set the effective power mode from one of the values in the powerLevels tables.
*/
void useTxPowerMode(TXPowerModes_t mode) {
- effectiveTxPower = powerLevels[mode];
+ txPowerMode = mode;
configureGAP();
+ updateTxPowerModeCharacteristic();
}
/**
@@ -167,7 +178,7 @@
serviceDataPayload[payloadIndex++] = BEACON_UUID[0];
serviceDataPayload[payloadIndex++] = BEACON_UUID[1];
serviceDataPayload[payloadIndex++] = flags;
- serviceDataPayload[payloadIndex++] = effectiveTxPower;
+ serviceDataPayload[payloadIndex++] = powerLevels[txPowerMode];
const char *urlData = reinterpret_cast<char *>(uriData);
size_t sizeofURLData = uriDataLength;
@@ -178,7 +189,7 @@
ble.accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceDataPayload, encodedBytes + 4);
ble.setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(beaconPeriod));
- ble.setTxPower(effectiveTxPower);
+ ble.setTxPower(powerLevels[txPowerMode]);
}
size_t encodeURISchemePrefix(const char *&urldata, size_t &sizeofURLData) {
@@ -314,8 +325,8 @@
uriDataLength = 0;
memset(uriData, 0, MAX_SIZE_URI_DATA_CHAR_VALUE);
flags = 0;
- effectiveTxPower = 0;
memset(powerLevels, 0, sizeof(powerLevels));
+ txPowerMode = TX_POWER_MODE_LOW;
beaconPeriod = 0;
updateGATT();
@@ -344,6 +355,14 @@
ble.updateCharacteristicValue(beaconPeriodChar.getValueAttribute().getHandle(), reinterpret_cast<uint8_t *>(&beaconPeriod), sizeof(uint16_t));
}
+ void updateTxPowerModeCharacteristic(void) {
+
+ }
+
+ void updateTxPowerLevelsCharacteristic(void) {
+ ble.updateCharacteristicValue(txPowerLevelsChar.getValueAttribute().getHandle(), reinterpret_cast<uint8_t *>(powerLevels), NUM_POWER_MODES * sizeof(int8_t));
+ }
+
private:
/**
* For debugging only.
@@ -372,8 +391,8 @@
uint16_t uriDataLength;
uint8_t uriData[MAX_SIZE_URI_DATA_CHAR_VALUE];
uint8_t flags;
- int8_t effectiveTxPower;
int8_t powerLevels[NUM_POWER_MODES];
+ TXPowerModes_t txPowerMode;
uint16_t beaconPeriod;
bool resetFlag;
@@ -381,6 +400,7 @@
GattCharacteristic uriDataChar;
GattCharacteristic flagsChar;
GattCharacteristic txPowerLevelsChar;
+ GattCharacteristic txPowerModeChar;
GattCharacteristic beaconPeriodChar;
GattCharacteristic resetChar;
};