BLEService.hxx

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#ifndef _OPENLCB_BLESERVICE_HXX_
#define _OPENLCB_BLESERVICE_HXX_
 
#include <cstring>
 
#include "ble/Service.hxx"
#include "utils/macros.h"
 
namespace openlcb
{
 
class BLEService : public ble::Service
{
public:
    static const uint8_t GATT_SERVICE_UUID_OPENLCB[16];
 
    static const uint8_t GATT_CHAR_UUID_DATA_IN[16];
 
    static const uint8_t GATT_CHAR_UUID_DATA_OUT[16];
 
private:
    static uint8_t dataIn_[200]; 
    static uint8_t dataOut_[200]; 
 
    static uint8_t dataInCCCD_[2]; 
    static uint8_t dataOutCCCD_[2]; 
 
public:
    enum GATTAttributeIndexs
    {
        GATT_SERVICE_INDEX = 0,    
        GATT_DATA_IN_DECL_INDEX,   
        GATT_DATA_IN_VALUE_INDEX,  
        GATT_DATA_IN_CCCD_INDEX,   
        GATT_DATA_OUT_DECL_INDEX,  
        GATT_DATA_OUT_VALUE_INDEX, 
        GATT_DATA_OUT_CCCD_INDEX,  
    };
 
    static constexpr GATTAttribute GATT_ATTRIBUTES[] =
    {
        // Primary service.
        {
            ble::Defs::UUID_LEN_16,
            ble::Defs::PRIMARY_SERVICE_UUID,
            ble::Defs::GATTPerm::READ,
            sizeof(GATT_SERVICE_UUID_OPENLCB),
            GATT_SERVICE_UUID_OPENLCB
        },
        // Characteristic declaration for data in.
        {
            ble::Defs::UUID_LEN_16,
            ble::Defs::CHAR_DECLARATOIN_UUID,
            ble::Defs::GATTPerm::READ,
            sizeof(ble::Defs::CHAR_PROP_WRITE),
            ble::Defs::CHAR_PROP_WRITE
        },
        // Characteristic value for data in.
        {
            ble::Defs::UUID_LEN_128,
            GATT_CHAR_UUID_DATA_IN,
            ble::Defs::GATTPerm::WRITE,
            sizeof(dataIn_),
            dataIn_
        },
        // Client characteristic configuration descriptor (CCCD) for data in.
        {
            ble::Defs::UUID_LEN_16,
            ble::Defs::CHAR_CLIENT_CONFIG_UUID,
            ble::Defs::GATTPerm::READ | ble::Defs::GATTPerm::WRITE,
            sizeof(dataInCCCD_),
            dataInCCCD_
        },
        // Characteristic declaration for data out.
        {
            ble::Defs::UUID_LEN_16,
            ble::Defs::CHAR_DECLARATOIN_UUID,
            ble::Defs::GATTPerm::READ,
            sizeof(ble::Defs::CHAR_PROP_READ_NOTIFY_ACK),
            ble::Defs::CHAR_PROP_READ_NOTIFY_ACK
        },
        // Characteristic value for data out.
        {
            ble::Defs::UUID_LEN_128,
            GATT_CHAR_UUID_DATA_OUT,
            ble::Defs::GATTPerm::READ,
            sizeof(dataOut_),
            dataOut_
        },
        // Client characteristic configuration descriptor (CCCD) for data out.
        {
            ble::Defs::UUID_LEN_16,
            ble::Defs::CHAR_CLIENT_CONFIG_UUID,
            ble::Defs::GATTPerm::READ | ble::Defs::GATTPerm::WRITE,
            sizeof(dataOutCCCD_),
            dataOutCCCD_
        },
    };
 
    static constexpr size_t size()
    {
        return ARRAYSIZE(GATT_ATTRIBUTES);
    }
};
 
} // namespace ble
 
#endif // _OPENLCB_BLESERVICE_HXX_