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add txPowerMode characteristic.

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master
Rohit Grover 9 years ago
parent d3cc9ed912
commit 13ed67ec1e
1 changed files with 33 additions and 13 deletions
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46
services/URIBeaconConfigService.h
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@ -28,6 +28,7 @@ const uint8_t lockedStateCharUUID[] = UUID_INITIALIZER_LIST(0x20, 0x81)
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 @@ public:
* 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 @@ public:
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 @@ public:
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 @@ public:
}
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 @@ public:
* 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 @@ private:
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 @@ private:
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 @@ private:
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 @@ private:
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 @@ private:
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 @@ private:
GattCharacteristic uriDataChar;
GattCharacteristic flagsChar;
GattCharacteristic txPowerLevelsChar;
GattCharacteristic txPowerModeChar;
GattCharacteristic beaconPeriodChar;
GattCharacteristic resetChar;
};

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