BLEAdvertisement.cxx

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#include "openlcb/BLEAdvertisement.hxx"
 
#include <endian.h>
 
#include "openlcb/BLEService.hxx"
 
namespace openlcb
{
 
//
// BLEAdvertisement::BLEAdvertisement()
//
BLEAdvertisement::BLEAdvertisement(
    NodeID node_id, const char *node_name, uint32_t pip)
    : Advertisement(ble::Advertisement::MAX_DATA_PAYLOAD_SIZE,
                    ble::Advertisement::MAX_SCAN_DATA_PAYLOAD_SIZE)
{
    // Add flags to data.
    uint8_t flags = static_cast<uint8_t>(Flags::LE_ONLY_GENERAL_DISC_MODE);
    append(Field::DATA, ble::Defs::AdvType::FLAGS, &flags, 1);
    // Add name to data.
    if (node_name && strlen(node_name) != 0)
    {
        std::string name(node_name);
        append_name(Field::DATA, name);
    }
 
    // Add OpenLCB service data 128 to scan data.
    pip = htole32(pip);
    node_id = htole64(node_id);
    std::basic_string<uint8_t> payload =
        std::basic_string<uint8_t>((uint8_t*)&node_id, 6) +
        std::basic_string<uint8_t>((uint8_t*)&pip, sizeof(pip));
    std::basic_string<uint8_t> srvc_data = concat_service_data_128(
        BLEService::GATT_SERVICE_UUID_OPENLCB, payload);
    append(Field::SCAN_DATA, ble::Defs::AdvType::SERVICE_DATA_128, srvc_data);
}
 
} // namespace openlcb