/*----------------------------------------------------------------------------*
* NAME
* startAdvertising
*
* DESCRIPTION
* This function is called to start advertisements.
*
* Advertisement packet will contain Flags AD and Manufacturer-specific
* AD with Manufacturer id set to CSR and payload set to the value of
* the User Key 0. The payload size is set by the User Key 1.
*
* +--------+-------------------------------------------------+
* |FLAGS AD|MANUFACTURER AD |
* +--------+-------------------------------------------------+
* 0 2 3
*
* RETURNS
* Nothing.
*
*---------------------------------------------------------------------------*/
static void BeaconInit(void)
{
uint8 filler;
uint16 advInterval;
uint8 advPayloadSize;
ls_addr_type addressType = ls_addr_type_public; /* use public address */
/* initialise values from User CsKeys */
/* read User key 0 for the payload filler */
filler = (uint8)(CSReadUserKey(0) & 0x00FF);
/* read User key 1 for the payload size */
advPayloadSize = (uint8)(CSReadUserKey(1) & 0x00FF);
/* range check */
if((advPayloadSize < 1) || (advPayloadSize > MAX_ADVERT_PAYLOAD_SIZE))
{
/* revert to default payload size */
advPayloadSize = DEFAULT_ADVERT_PAYLOAD_SIZE;
}
/* read User key 2 for the advertising interval */
advInterval = CSReadUserKey(2);
/* range check */
if((advInterval < MIN_ADVERTISING_INTERVAL) ||
(advInterval > MAX_ADVERTISING_INTERVAL))
{
/* revert to default advertising interval */
advInterval = DEFAULT_ADVERTISING_INTERVAL;
}
/* read address type from User key 3 */
if(CSReadUserKey(3))
{
/* use random address type */
addressType = ls_addr_type_random;
/* generate and set the random address */
appSetRandomAddress();
}
/* set the GAP Broadcaster role */
GapSetMode(gap_role_broadcaster,
gap_mode_discover_no,
gap_mode_connect_no,
gap_mode_bond_no,
gap_mode_security_none);
/* clear the existing advertisement data, if any */
LsStoreAdvScanData(0, NULL, ad_src_advertise);
/* set the advertisement interval, API accepts the value in microseconds */
GapSetAdvInterval(advInterval * MILLISECOND, advInterval * MILLISECOND);
}
/*----------------------------------------------------------------------------*
* NAME
* startAdvertising
*
* DESCRIPTION
* This function is called to start advertisements.
*
* Advertisement packet will contain Flags AD and Manufacturer-specific
* AD with Manufacturer id set to CSR and payload set to the value of
* the User Key 0. The payload size is set by the User Key 1.
*
* +--------+-------------------------------------------------+
* |FLAGS AD|MANUFACTURER AD |
* +--------+-------------------------------------------------+
* 0 2 3
*
* RETURNS
* Nothing.
*
*---------------------------------------------------------------------------*/
void startAdvertising(void)
{
uint8 advData[MAX_ADVERT_PACKET_SIZE];
uint16 offset = 0;
uint8 filler;
uint16 advInterval;
uint8 advPayloadSize;
ls_addr_type addressType = ls_addr_type_public; /* use public address */
/* initialise values from User CsKeys */
/* read User key 0 for the payload filler */
filler = (uint8)(CSReadUserKey(0) & 0x00FF);
/* read User key 1 for the payload size */
advPayloadSize = (uint8)(CSReadUserKey(1) & 0x00FF);
/* range check */
if((advPayloadSize < 1) || (advPayloadSize > MAX_ADVERT_PAYLOAD_SIZE))
{
/* revert to default payload size */
advPayloadSize = DEFAULT_ADVERT_PAYLOAD_SIZE;
}
/* read User key 2 for the advertising interval */
advInterval = CSReadUserKey(2);
/* range check */
if((advInterval < MIN_ADVERTISING_INTERVAL) ||
(advInterval > MAX_ADVERTISING_INTERVAL))
{
/* revert to default advertising interval */
advInterval = DEFAULT_ADVERTISING_INTERVAL;
}
/* read address type from User key 3 */
if(CSReadUserKey(3))
{
/* use random address type */
addressType = ls_addr_type_random;
/* generate and set the random address */
appSetRandomAddress();
}
/* set the GAP Broadcaster role */
GapSetMode(gap_role_broadcaster,
gap_mode_discover_no,
gap_mode_connect_no,
gap_mode_bond_no,
gap_mode_security_none);
/* clear the existing advertisement data, if any */
LsStoreAdvScanData(0, NULL, ad_src_advertise);
/* set the advertisement interval, API accepts the value in microseconds */
GapSetAdvInterval(advInterval * MILLISECOND, advInterval * MILLISECOND);
/* manufacturer-specific data */
advData[0] = AD_TYPE_MANUF;
/* CSR company code, little endian */
advData[1] = 0x0A;
advData[2] = 0x00;
/* fill in the rest of the advertisement */
for(offset = 0; offset < advPayloadSize; offset++)
{
advData[3 + offset] = filler;
}
/* store the advertisement data */
LsStoreAdvScanData(advPayloadSize + 3, advData, ad_src_advertise);
/* Start broadcasting */
LsStartStopAdvertise(TRUE, whitelist_disabled, addressType);
}