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Bike service
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Bluetooth Low Energy
Diff: ble/services/URIBeaconConfigService.h
- Revision:
- 1053:ec4a5b9b254e
- Parent:
- 1042:21a86ac7f5b1
--- a/ble/services/URIBeaconConfigService.h Mon Jan 11 08:51:31 2016 +0000
+++ b/ble/services/URIBeaconConfigService.h Mon Jan 11 08:51:32 2016 +0000
@@ -47,18 +47,18 @@
class URIBeaconConfigService {
public:
/**
- * @brief Transmission Power Modes for UriBeacon
+ * @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 */
+ 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. */
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 int 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];
static const int URI_DATA_MAX = 18;
@@ -69,8 +69,8 @@
uint8_t uriDataLength;
UriData_t uriData;
uint8_t flags;
- PowerLevels_t advPowerLevels; // Current value of AdvertisedPowerLevels
- uint8_t txPowerMode; // Firmware power levels used with setTxPower()
+ PowerLevels_t advPowerLevels; // Current value of AdvertisedPowerLevels.
+ uint8_t txPowerMode; // Firmware power levels used with setTxPower().
uint16_t beaconPeriod;
};
@@ -86,9 +86,9 @@
* un-initialized, and default values should be used
* instead. Otherwise, paramsIn overrides the defaults.
* @param[in] defaultUriDataIn
- * Default un-encoded URI; applies only if the resetToDefaultsFlag is true.
+ * Default un-encoded URI. Applies only if the resetToDefaultsFlag is true.
* @param[in] defaultAdvPowerLevelsIn
- * Default power-levels array; applies only if the resetToDefaultsFlag is true.
+ * Default power-levels array. Applies only if the resetToDefaultsFlag is true.
*/
URIBeaconConfigService(BLE &bleIn,
Params_t ¶msIn,
@@ -148,7 +148,7 @@
ble.addService(configService);
ble.onDataWritten(this, &URIBeaconConfigService::onDataWrittenCallback);
- setupURIBeaconConfigAdvertisements(); /* Setup advertising for the configService. */
+ setupURIBeaconConfigAdvertisements(); /* Set up advertising for the config service. */
initSucceeded = true;
}
@@ -157,9 +157,9 @@
return initSucceeded;
}
- /* Start out by advertising the configService for a limited time after
- * startup; and switch to the normal non-connectible beacon functionality
- * afterwards. */
+ /* Start out by advertising the config service for a limited time after
+ * startup. Then switch to the normal non-connectible beacon functionality.
+ */
void setupURIBeaconConfigAdvertisements()
{
const char DEVICE_NAME[] = "mUriBeacon Config";
@@ -186,14 +186,14 @@
ble.gap().setAdvertisingInterval(GapAdvertisingParams::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(ADVERTISING_INTERVAL_MSEC));
}
- /* Helper function to switch to the non-connectible normal mode for URIBeacon. This gets called after a timeout. */
+ /* Helper function to switch to the non-connectible normal mode for UriBeacon. This gets called after a timeout. */
void setupURIBeaconAdvertisements()
{
/* Reinitialize the BLE stack. This will clear away the existing services and advertising state. */
ble.shutdown();
ble.init();
- // Fields from the Service
+ // Fields from the service.
unsigned beaconPeriod = params.beaconPeriod;
unsigned txPowerMode = params.txPowerMode;
unsigned uriDataLength = params.uriDataLength;
@@ -201,7 +201,7 @@
URIBeaconConfigService::PowerLevels_t &advPowerLevels = params.advPowerLevels;
uint8_t flags = params.flags;
- extern void saveURIBeaconConfigParams(const Params_t *paramsP); /* forward declaration; necessary to avoid a circular dependency. */
+ extern void saveURIBeaconConfigParams(const Params_t *paramsP); /* Forward declaration; necessary to avoid a circular dependency. */
saveURIBeaconConfigParams(¶ms);
ble.gap().clearAdvertisingPayload();
@@ -224,7 +224,7 @@
}
private:
- // True if the lock bits are non-zero
+ // True if the lock bits are non-zero.
bool isLocked() {
Lock_t testLock;
memset(testLock, 0, sizeof(Lock_t));
@@ -233,19 +233,19 @@
/*
* 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
+ * characteristics of this service. These attempts are also applied to
* the internal state of this service object.
*/
void onDataWrittenCallback(const GattWriteCallbackParams *writeParams) {
uint16_t handle = writeParams->handle;
if (handle == lockChar.getValueHandle()) {
- // Validated earlier
+ // Validated earlier,
memcpy(params.lock, writeParams->data, sizeof(Lock_t));
- // use isLocked() in case bits are being set to all 0's
+ // Use isLocked() in case bits are being set to all zeros.
lockedState = isLocked();
} else if (handle == unlockChar.getValueHandle()) {
- // Validated earlier
+ // Validated earlier.
memset(params.lock, 0, sizeof(Lock_t));
lockedState = false;
} else if (handle == uriDataChar.getValueHandle()) {
@@ -260,7 +260,7 @@
} else if (handle == beaconPeriodChar.getValueHandle()) {
params.beaconPeriod = *((uint16_t *)(writeParams->data));
- /* Re-map beaconPeriod to within permissible bounds if necessary. */
+ /* Remap beaconPeriod to within permissible bounds if necessary. */
if (params.beaconPeriod != 0) {
bool paramsUpdated = false;
if (params.beaconPeriod < ble.gap().getMinAdvertisingInterval()) {
@@ -378,9 +378,9 @@
BLE &ble;
Params_t ¶ms;
- size_t defaultUriDataLength; // Default value that is restored on reset
- UriData_t defaultUriData; // Default value that is restored on reset
- PowerLevels_t &defaultAdvPowerLevels; // Default value that is restored on reset
+ size_t defaultUriDataLength; // Default value that is restored on reset.
+ UriData_t defaultUriData; // Default value that is restored on reset.
+ PowerLevels_t &defaultAdvPowerLevels; // Default value that is restored on reset.
uint8_t lockedState;
bool initSucceeded;
@@ -398,7 +398,7 @@
public:
/*
- * Encode a human-readable URI into the binary format defined by URIBeacon spec (https://github.com/google/uribeacon/tree/master/specification).
+ * Encode a human-readable URI into the binary format defined by the UriBeacon spec (https://github.com/google/uribeacon/tree/master/specification).
*/
static void encodeURI(const char *uriDataIn, UriData_t uriDataOut, size_t &sizeofURIDataOut) {
const char *prefixes[] = {
@@ -447,7 +447,7 @@
}
/*
- * handle suffixes
+ * Handle suffixes.
*/
while (*uriDataIn && (sizeofURIDataOut < URI_DATA_MAX)) {
/* check for suffix match */
@@ -457,10 +457,10 @@
if (strncmp(uriDataIn, suffixes[i], suffixLen) == 0) {
uriDataOut[sizeofURIDataOut++] = i;
uriDataIn += suffixLen;
- break; /* from the for loop for checking against suffixes */
+ break; /* From the for loop for checking against suffixes. */
}
}
- /* This is the default case where we've got an ordinary character which doesn't match a suffix. */
+ /* This is the default case where we've got an ordinary character that doesn't match a suffix. */
if (i == NUM_SUFFIXES) {
uriDataOut[sizeofURIDataOut++] = *uriDataIn;
++uriDataIn;