Lancaster University
Lancaster University's fork of the mbed BLE API. Lives on github, https://github.com/lancaster-university/BLE_API
Dependents: microbit-dal microbit-dal microbit-ble-open microbit-dal ... more
Fork of
BLE_API
by 
Bluetooth Low Energy
Diff: ble/services/EddystoneConfigService.h
- Revision:
- 832:5dac246f8f02
- Parent:
- 831:47413688398a
- Child:
- 841:468a5863cacb
--- a/ble/services/EddystoneConfigService.h Tue Sep 29 09:54:19 2015 +0100
+++ b/ble/services/EddystoneConfigService.h Tue Sep 29 09:54:19 2015 +0100
@@ -14,17 +14,13 @@
* limitations under the License.
*/
-#ifndef SERVICES_EDDYSTONEBEACONCONFIGSERVICE_H_
-#define SERVICES_EDDYSTONEBEACONCONFIGSERVICE_H_
+#ifndef SERVICES_EDDYSTONE_BEACON_CONFIG_SERVICE_H_
+#define SERVICES_EDDYSTONE_BEACON_CONFIG_SERVICE_H_
#include "mbed.h"
#include "ble/BLE.h"
#include "ble/services/EddystoneService.h"
-#define EDDYSTONE_NUM_UID_FRAMES 10
-#define EDDYSTONE_NUM_URL_FRAMES 50
-
-
#define UUID_URI_BEACON(FIRST, SECOND) { \
0xee, 0x0c, FIRST, SECOND, 0x87, 0x86, 0x40, 0xba, \
0xab, 0x96, 0x99, 0xb9, 0x1a, 0xc9, 0x81, 0xd8, \
@@ -40,7 +36,7 @@
static const uint8_t UUID_TX_POWER_MODE_CHAR[] = UUID_URI_BEACON(0x20, 0x87);
static const uint8_t UUID_BEACON_PERIOD_CHAR[] = UUID_URI_BEACON(0x20, 0x88);
static const uint8_t UUID_RESET_CHAR[] = UUID_URI_BEACON(0x20, 0x89);
-extern const uint8_t BEACON_EDDYSTONE[2];
+extern const uint8_t BEACON_EDDYSTONE[2];
/**
* @class EddystoneConfigService
@@ -50,34 +46,34 @@
*/
class EddystoneConfigService
{
-public:
+public:
/**
* @brief Transmission Power Modes for UriBeacon
*/
- static const uint8_t TX_POWER_MODE_LOWEST = 0; /*!< Lowest TX power mode */
- static const uint8_t TX_POWER_MODE_LOW = 1; /*!< Low TX power mode */
- static const uint8_t TX_POWER_MODE_MEDIUM = 2; /*!< Medium TX power mode */
- static const uint8_t TX_POWER_MODE_HIGH = 3; /*!< High TX power mode */
- static const unsigned NUM_POWER_MODES = 4; /*!< Number of Power Modes defined */
+ enum {
+ TX_POWER_MODE_LOWEST,
+ TX_POWER_MODE_LOW,
+ TX_POWER_MODE_MEDIUM,
+ TX_POWER_MODE_HIGH,
+ NUM_POWER_MODES
+ };
- static const int ADVERTISING_INTERVAL_MSEC = 1000; // Advertising interval for config service.
- static const int SERVICE_DATA_MAX = 31; // Maximum size of service data in ADV packets
+ static const unsigned ADVERTISING_INTERVAL_MSEC = 1000; // Advertising interval for config service.
+ static const unsigned SERVICE_DATA_MAX = 31; // Maximum size of service data in ADV packets
- typedef uint8_t Lock_t[16]; /* 128 bits */
+ typedef uint8_t Lock_t[16]; /* 128 bits */
typedef int8_t PowerLevels_t[NUM_POWER_MODES];
// There are currently 3 subframes defined, URI, UID, and TLM
#define EDDYSTONE_MAX_FRAMETYPE 3
- void (*frames[EDDYSTONE_MAX_FRAMETYPE])(uint8_t *, uint32_t);
- uint8_t frameIndex;
- static const int URI_DATA_MAX = 18;
- typedef uint8_t UriData_t[URI_DATA_MAX];
+ static const unsigned URI_DATA_MAX = 18;
+ typedef uint8_t UriData_t[URI_DATA_MAX];
// UID Frame Type subfields
- static const int UID_NAMESPACEID_SIZE = 10;
- typedef uint8_t UIDNamespaceID_t[UID_NAMESPACEID_SIZE];
- static const int UID_INSTANCEID_SIZE = 6;
- typedef uint8_t UIDInstanceID_t[UID_INSTANCEID_SIZE];
+ static const size_t UID_NAMESPACEID_SIZE = 10;
+ typedef uint8_t UIDNamespaceID_t[UID_NAMESPACEID_SIZE];
+ static const size_t UID_INSTANCEID_SIZE = 6;
+ typedef uint8_t UIDInstanceID_t[UID_INSTANCEID_SIZE];
// Eddystone Frame Type ID
static const uint8_t FRAME_TYPE_UID = 0x00;
@@ -89,27 +85,28 @@
struct Params_t {
// Config Data
- bool isConfigured; // Flag for configuration being complete, True = configured, false = not configured. Reset at instantiation, used for external callbacks.
- uint8_t lockedState;
- Lock_t lock;
- uint8_t flags;
- PowerLevels_t advPowerLevels; // Current value of AdvertisedPowerLevels
- uint8_t txPowerMode; // Firmware power levels used with setTxPower()
- uint16_t beaconPeriod;
+ bool isConfigured; // Flag for configuration being complete,
+ // True = configured, false = not configured. Reset at instantiation, used for external callbacks.
+ uint8_t lockedState;
+ Lock_t lock;
+ uint8_t flags;
+ PowerLevels_t advPowerLevels; // Current value of AdvertisedPowerLevels
+ uint8_t txPowerMode; // Firmware power levels used with setTxPower()
+ uint16_t beaconPeriod;
// TLM Frame Data
- uint8_t tlmVersion; // version of TLM packet
- bool tlmEnabled;
- float tlmBeaconPeriod; // how often to broadcat TLM frame, in S
+ uint8_t tlmVersion; // version of TLM packet
+ bool tlmEnabled;
+ float tlmBeaconPeriod; // how often to broadcat TLM frame, in seconds.
// URI Frame Data
- uint8_t uriDataLength;
- UriData_t uriData;
- bool uriEnabled;
- float uriBeaconPeriod; // how often to broadcast URIFrame, in S
+ uint8_t uriDataLength;
+ UriData_t uriData;
+ bool uriEnabled;
+ float uriBeaconPeriod; // how often to broadcast URIFrame, in seconds.
// UID Frame Data
- UIDNamespaceID_t uidNamespaceID; // UUID type, Namespace ID, 10B
- UIDInstanceID_t uidInstanceID; // UUID type, Instance ID, 6B
- bool uidEnabled;
- float uidBeaconPeriod; // how often to broadcast UID Frame, in S
+ UIDNamespaceID_t uidNamespaceID; // UUID type, Namespace ID, 10B
+ UIDInstanceID_t uidInstanceID; // UUID type, Instance ID, 6B
+ bool uidEnabled;
+ float uidBeaconPeriod; // how often to broadcast UID Frame, in seconds.
};
/**
@@ -149,27 +146,9 @@
advPowerLevelsChar(UUID_ADV_POWER_LEVELS_CHAR, ¶ms.advPowerLevels),
txPowerModeChar(UUID_TX_POWER_MODE_CHAR, ¶ms.txPowerMode),
beaconPeriodChar(UUID_BEACON_PERIOD_CHAR, ¶ms.beaconPeriod),
- resetChar(UUID_RESET_CHAR, &resetFlag)
- {
+ resetChar(UUID_RESET_CHAR, &resetFlag) {
// set eddystone as not configured yet. Used to exit config before timeout if GATT services are written to.
params.isConfigured = false;
- }
-
- /*
- * @breif Start EddystoneConfig advertising. This function should be called after the EddystoneConfig constructor and after all the frames have been added.
- * @paramsP[in] resetToDefaultsFlag
- * Applies to the state of the 'paramsIn' parameter.
- * If true, it indicates that paramsIn is potentially
- * un-initialized, and default values should be used
- * instead. Otherwise, paramsIn overrides the defaults.
- *
- */
- void start(bool resetToDefaultsFlag){
- INFO("reset to defaults flag = %d", resetToDefaultsFlag);
- if (!resetToDefaultsFlag && (params.uriDataLength > URI_DATA_MAX)) {
- INFO("Reset to Defaults triggered");
- resetToDefaultsFlag = true;
- }
lockChar.setWriteAuthorizationCallback(this, &EddystoneConfigService::lockAuthorizationCallback);
unlockChar.setWriteAuthorizationCallback(this, &EddystoneConfigService::unlockAuthorizationCallback);
@@ -188,16 +167,33 @@
GattService configService(UUID_URI_BEACON_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
ble.addService(configService);
+ ble.onDataWritten(this, &EddystoneConfigService::onDataWrittenCallback);
+ }
+
+ /**
+ * @brief Start EddystoneConfig advertising. This function should be called
+ * after the EddystoneConfig constructor and after all the frames have been added.
+ *
+ * @paramsP[in] resetToDefaultsFlag
+ * Applies to the state of the 'paramsIn' parameter.
+ * If true, it indicates that paramsIn is potentially
+ * un-initialized, and default values should be used
+ * instead. Otherwise, paramsIn overrides the defaults.
+ */
+ void start(bool resetToDefaultsFlag){
+ INFO("reset to defaults flag = %d", resetToDefaultsFlag);
+ if (!resetToDefaultsFlag && (params.uriDataLength > URI_DATA_MAX)) {
+ INFO("Reset to Defaults triggered");
+ resetToDefaultsFlag = true;
+ }
+
if (resetToDefaultsFlag) {
resetToDefaults();
} else {
updateCharacteristicValues();
}
-
- ble.onDataWritten(this, &EddystoneConfigService::onDataWrittenCallback);
setupEddystoneConfigAdvertisements(); /* Setup advertising for the configService. */
-
initSucceeded = true;
}
@@ -207,48 +203,47 @@
bool initSuccessfully(void) const {
return initSucceeded;
}
-
+
/*
- * @breif Function to update the default values for the TLM frame. Only applied if Reset Defaults is applied.
+ * @brief Function to update the default values for the TLM frame. Only applied if Reset Defaults is applied.
*
* @param[in] tlmVersionIn Version of the TLM frame being used
* @param[in] advPeriodInMin how long between TLM frames being advertised, this is measured in minutes.
*
*/
void setDefaultTLMFrameData(uint8_t tlmVersionIn = 0, float advPeriodInSec = 60){
- DBG("Setting Default TLM Data, version = %d, advPeriodInMind= %f",tlmVersionIn,advPeriodInSec);
- defaultTlmVersion = tlmVersionIn;
- TlmBatteryVoltage = 0;
- TlmBeaconTemp = 0;
- TlmPduCount = 0;
- TlmTimeSinceBoot = 0;
+ DBG("Setting Default TLM Data, version = %d, advPeriodInMind= %f", tlmVersionIn, advPeriodInSec);
+ defaultTlmVersion = tlmVersionIn;
+ TlmBatteryVoltage = 0;
+ TlmBeaconTemp = 0;
+ TlmPduCount = 0;
+ TlmTimeSinceBoot = 0;
defaultTlmAdvPeriod = advPeriodInSec;
- tlmIsSet = true; // flag to add this to eddystone service when config is done
-
+ tlmIsSet = true; // flag to add this to eddystone service when config is done
}
-
+
/*
- * @breif Function to update the default values for the URI frame. Only applied if Reset Defaults is applied.
+ * @brief Function to update the default values for the URI frame. Only applied if Reset Defaults is applied.
*
* @param[in] uriIn url to advertise
* @param[in] advPeriod how long to advertise the url for, measured in number of ADV frames.
*
*/
- void setDefaultURIFrameData(const char * uriIn, float advPeriod = 1){
+ void setDefaultURIFrameData(const char *uriIn, float advPeriod = 1){
DBG("Setting Default URI Data");
// Set URL Frame
- EddystoneService::encodeURL(uriIn, defaultUriData, defaultUriDataLength); // encode URL to URL Formatting
+ EddystoneService::encodeURL(uriIn, defaultUriData, defaultUriDataLength); // encode URL to URL Formatting
if (defaultUriDataLength > URI_DATA_MAX) {
return;
}
INFO("\t URI input = %s : %d", uriIn, defaultUriDataLength);
- INFO("\t default URI = %s : %d ",defaultUriData,defaultUriDataLength );
+ INFO("\t default URI = %s : %d ", defaultUriData, defaultUriDataLength );
defaultUriAdvPeriod = advPeriod;
- urlIsSet = true; // flag to add this to eddystone service when config is done
+ urlIsSet = true; // flag to add this to eddystone service when config is done
}
-
+
/*
- * @breif Function to update the default values for the UID frame. Only applied if Reset Defaults is applied.
+ * @brief Function to update the default values for the UID frame. Only applied if Reset Defaults is applied.
*
* @param[in] namespaceID 10Byte Namespace ID
* @param[in] instanceID 6Byte Instance ID
@@ -261,7 +256,7 @@
memcpy(defaultUidNamespaceID, namespaceID, UID_NAMESPACEID_SIZE);
memcpy(defaultUidInstanceID, instanceID, UID_INSTANCEID_SIZE);
defaultUidAdvPeriod = advPeriod;
- uidIsSet = true; // flag to add this to eddystone service when config is done
+ uidIsSet = true; // flag to add this to eddystone service when config is done
}
/* Start out by advertising the configService for a limited time after
@@ -304,24 +299,26 @@
extern void saveURIBeaconConfigParams(const Params_t *paramsP); /* forward declaration; necessary to avoid a circular dependency. */
saveURIBeaconConfigParams(¶ms);
INFO("Saved Params to Memory.")
- // Setup Eddystone Service
- static EddystoneService eddyServ(ble,params.beaconPeriod,radioPowerLevels[params.txPowerMode]);
+ // Setup Eddystone Service
+ static EddystoneService eddyServ(ble, params.beaconPeriod, radioPowerLevels[params.txPowerMode]);
// Set configured frames (TLM,UID,URI...etc)
- if(params.tlmEnabled){
- eddyServ.setTLMFrameData(params.tlmVersion,params.tlmBeaconPeriod);
+ if (params.tlmEnabled) {
+ eddyServ.setTLMFrameData(params.tlmVersion, params.tlmBeaconPeriod);
}
- if(params.uriEnabled){
+ if (params.uriEnabled) {
eddyServ.setURLFrameData(params.advPowerLevels[params.txPowerMode], (const char *) params.uriData, params.uriBeaconPeriod);
}
- if(params.uidEnabled){
- eddyServ.setUIDFrameData(params.advPowerLevels[params.txPowerMode], (uint8_t *) params.uidNamespaceID, (uint8_t *) params.uidInstanceID, params.uidBeaconPeriod);
- }
- // Start Advertising the eddystone service.
- eddyServ.start();
+ if (params.uidEnabled) {
+ eddyServ.setUIDFrameData(params.advPowerLevels[params.txPowerMode],
+ (uint8_t *)params.uidNamespaceID,
+ (uint8_t *)params.uidInstanceID,
+ params.uidBeaconPeriod);
+ }
+ // Start Advertising the eddystone service.
+ eddyServ.start();
}
private:
-
/*
* This callback is invoked when a GATT client attempts to modify any of the
* characteristics of this service. Attempts to do so are also applied to
@@ -342,32 +339,32 @@
INFO("Device Unlocked");
} else if (handle == uriDataChar.getValueHandle()) {
params.uriDataLength = writeParams->len;
- memset(params.uriData,0x00,URI_DATA_MAX); // clear URI string
+ memset(params.uriData, 0x00, URI_DATA_MAX); // clear URI string
memcpy(params.uriData, writeParams->data, params.uriDataLength); // set URI string
params.uriEnabled = true;
INFO("URI = %s, URILen = %d", writeParams->data, writeParams->len);
} else if (handle == flagsChar.getValueHandle()) {
params.flags = *(writeParams->data);
- INFO("flagsChar = 0x%x",params.flags);
+ INFO("flagsChar = 0x%x", params.flags);
} else if (handle == advPowerLevelsChar.getValueHandle()) {
memcpy(params.advPowerLevels, writeParams->data, sizeof(PowerLevels_t));
- INFO("PowerLevelsChar = %4x",params.advPowerLevels);
+ INFO("PowerLevelsChar = %4x", params.advPowerLevels);
} else if (handle == txPowerModeChar.getValueHandle()) {
params.txPowerMode = *(writeParams->data);
- INFO("TxPowerModeChar = %d",params.txPowerMode);
+ INFO("TxPowerModeChar = %d", params.txPowerMode);
} else if (handle == beaconPeriodChar.getValueHandle()) {
params.beaconPeriod = *((uint16_t *)(writeParams->data));
- INFO("BeaconPeriod = %d",params.beaconPeriod);
+ INFO("BeaconPeriod = %d", params.beaconPeriod);
/* Re-map beaconPeriod to within permissible bounds if necessary. */
if (params.beaconPeriod != 0) {
bool paramsUpdated = false;
if (params.beaconPeriod < ble.getMinAdvertisingInterval()) {
params.beaconPeriod = ble.getMinAdvertisingInterval();
- paramsUpdated = true;
+ paramsUpdated = true;
} else if (params.beaconPeriod > ble.getMaxAdvertisingInterval()) {
params.beaconPeriod = ble.getMaxAdvertisingInterval();
- paramsUpdated = true;
+ paramsUpdated = true;
}
if (paramsUpdated) {
ble.updateCharacteristicValue(beaconPeriodChar.getValueHandle(), reinterpret_cast<uint8_t *>(¶ms.beaconPeriod), sizeof(uint16_t));
@@ -387,30 +384,30 @@
void resetToDefaults(void) {
INFO("Resetting to defaults");
// General
- params.lockedState = false;
+ params.lockedState = false;
memset(params.lock, 0, sizeof(Lock_t));
- params.flags = 0x10;
+ params.flags = 0x10;
memcpy(params.advPowerLevels, defaultAdvPowerLevels, sizeof(PowerLevels_t));
- params.txPowerMode = TX_POWER_MODE_LOW;
- params.beaconPeriod = 1000;
-
+ params.txPowerMode = TX_POWER_MODE_LOW;
+ params.beaconPeriod = 1000;
+
// TLM Frame
- params.tlmVersion = defaultTlmVersion;
+ params.tlmVersion = defaultTlmVersion;
params.tlmBeaconPeriod = defaultTlmAdvPeriod;
- params.tlmEnabled = tlmIsSet;
-
+ params.tlmEnabled = tlmIsSet;
+
// URL Frame
memcpy(params.uriData, defaultUriData, URI_DATA_MAX);
- params.uriDataLength = defaultUriDataLength;
- params.uriBeaconPeriod = defaultUriAdvPeriod;
- params.uriEnabled = urlIsSet;
-
+ params.uriDataLength = defaultUriDataLength;
+ params.uriBeaconPeriod = defaultUriAdvPeriod;
+ params.uriEnabled = urlIsSet;
+
// UID Frame
memcpy(params.uidNamespaceID, defaultUidNamespaceID, UID_NAMESPACEID_SIZE);
memcpy(params.uidInstanceID, defaultUidInstanceID, UID_INSTANCEID_SIZE);
params.uidBeaconPeriod = defaultUidAdvPeriod;
- params.uidEnabled = uidIsSet;
-
+ params.uidEnabled = uidIsSet;
+
updateCharacteristicValues();
}
@@ -420,8 +417,7 @@
*/
void updateCharacteristicValues(void) {
ble.updateCharacteristicValue(lockedStateChar.getValueHandle(), ¶ms.lockedState, 1);
- ble.updateCharacteristicValue(uriDataChar.getValueHandle(), params.uriData, params.uriDataLength); // TODO: this isnt updating the initial URI in config mode, need to figure out why.
- INFO("updateCharacteristicValues - URI, %s : %d",params.uriData, params.uriDataLength);
+ ble.updateCharacteristicValue(uriDataChar.getValueHandle(), params.uriData, params.uriDataLength);
ble.updateCharacteristicValue(flagsChar.getValueHandle(), ¶ms.flags, 1);
ble.updateCharacteristicValue(beaconPeriodChar.getValueHandle(),
reinterpret_cast<uint8_t *>(¶ms.beaconPeriod), sizeof(uint16_t));
@@ -443,7 +439,6 @@
}
}
-
void unlockAuthorizationCallback(GattWriteAuthCallbackParams *authParams) {
if ((!params.lockedState) && (authParams->len == sizeof(Lock_t))) {
authParams->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS;
@@ -495,41 +490,41 @@
}
}
- BLEDevice &ble;
- Params_t ¶ms;
- Ticker timeSinceBootTick;
- Timeout switchFrame;
-// Default value that is restored on reset
- PowerLevels_t &defaultAdvPowerLevels; // this goes into the advertising frames (radio power measured at 1m from device)
- PowerLevels_t &radioPowerLevels; // this configures the power levels of the radio
- uint8_t lockedState;
- bool initSucceeded;
- uint8_t resetFlag;
- bool switchFlag;
+ BLEDevice &ble;
+ Params_t ¶ms;
+ Ticker timeSinceBootTick;
+ Timeout switchFrame;
+ // Default value that is restored on reset
+ PowerLevels_t &defaultAdvPowerLevels; // this goes into the advertising frames (radio power measured at 1m from device)
+ PowerLevels_t &radioPowerLevels; // this configures the power levels of the radio
+ uint8_t lockedState;
+ bool initSucceeded;
+ uint8_t resetFlag;
+ bool switchFlag;
-//UID Default value that is restored on reset
- UIDNamespaceID_t defaultUidNamespaceID;
- UIDInstanceID_t defaultUidInstanceID;
- float defaultUidAdvPeriod;
- int8_t defaultUidPower;
- uint16_t uidRFU;
- bool uidIsSet;
+ //UID Default value that is restored on reset
+ UIDNamespaceID_t defaultUidNamespaceID;
+ UIDInstanceID_t defaultUidInstanceID;
+ float defaultUidAdvPeriod;
+ int8_t defaultUidPower;
+ uint16_t uidRFU;
+ bool uidIsSet;
-//URI Default value that is restored on reset
- uint8_t defaultUriDataLength;
- UriData_t defaultUriData;
- int8_t defaultUrlPower;
- float defaultUriAdvPeriod;
- bool urlIsSet;
+ //URI Default value that is restored on reset
+ uint8_t defaultUriDataLength;
+ UriData_t defaultUriData;
+ int8_t defaultUrlPower;
+ float defaultUriAdvPeriod;
+ bool urlIsSet;
-//TLM Default value that is restored on reset
- uint8_t defaultTlmVersion;
- float defaultTlmAdvPeriod;
- volatile uint16_t TlmBatteryVoltage;
- volatile uint16_t TlmBeaconTemp;
- volatile uint32_t TlmPduCount;
- volatile uint32_t TlmTimeSinceBoot;
- bool tlmIsSet;
+ //TLM Default value that is restored on reset
+ uint8_t defaultTlmVersion;
+ float defaultTlmAdvPeriod;
+ volatile uint16_t TlmBatteryVoltage;
+ volatile uint16_t TlmBeaconTemp;
+ volatile uint32_t TlmPduCount;
+ volatile uint32_t TlmTimeSinceBoot;
+ bool tlmIsSet;
ReadOnlyGattCharacteristic<uint8_t> lockedStateChar;
WriteOnlyGattCharacteristic<Lock_t> lockChar;
@@ -540,7 +535,6 @@
ReadWriteGattCharacteristic<uint8_t> txPowerModeChar;
ReadWriteGattCharacteristic<uint16_t> beaconPeriodChar;
WriteOnlyGattCharacteristic<uint8_t> resetChar;
-
};
-#endif // SERVICES_EDDYSTONEBEACONCONFIGSERVICE_H_
\ No newline at end of file
+#endif // SERVICES_EDDYSTONE_BEACON_CONFIG_SERVICE_H_
\ No newline at end of file