subsurface/core/qt-ble.h
Dirk Hohndel 6f46238fc4 Qt6: Bluetooth API changes
Use the explicit QBluetoothUuid instead of just QUuid and deal with new
constants and signal names.
At least with Qt6 we no longer need the ugly QOverload hack.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2022-03-12 08:28:32 -08:00

87 lines
3 KiB
C++

// SPDX-License-Identifier: GPL-2.0
#ifndef QT_BLE_H
#define QT_BLE_H
#include <stddef.h>
#include "core/libdivecomputer.h"
#include <QVector>
#include <QLowEnergyController>
#include <QEventLoop>
#define TELIT_DATA_RX 0
#define TELIT_DATA_TX 1
#define TELIT_CREDITS_RX 2
#define TELIT_CREDITS_TX 3
#define UBLOX_DATA_RX 0
#define UBLOX_DATA_TX 0
#define UBLOX_CREDITS_RX 1
#define UBLOX_CREDITS_TX 1
class BLEObject : public QObject
{
Q_OBJECT
public:
BLEObject(QLowEnergyController *c, device_data_t *);
~BLEObject();
inline void set_timeout(int value) { timeout = value; }
dc_status_t write(const void* data, size_t size, size_t *actual);
dc_status_t read(void* data, size_t size, size_t *actual);
inline dc_status_t get_name(char *res, size_t size)
{
if (!device->btname) return DC_STATUS_UNSUPPORTED;
strncpy(res, device->btname, size);
return DC_STATUS_SUCCESS;
}
dc_status_t poll(int timeout);
inline QLowEnergyService *preferredService() { return preferred; }
inline int descriptorWritten() { return desc_written; }
dc_status_t select_preferred_service(void);
public slots:
void addService(const QBluetoothUuid &newService);
void serviceStateChanged(QLowEnergyService::ServiceState s);
void characteristcStateChanged(const QLowEnergyCharacteristic &c, const QByteArray &value);
void characteristicWritten(const QLowEnergyCharacteristic &c, const QByteArray &value);
void writeCompleted(const QLowEnergyDescriptor &d, const QByteArray &value);
dc_status_t setupHwTerminalIo(const QList<QLowEnergyCharacteristic> &allC);
dc_status_t setHwCredit(unsigned int c);
private:
QVector<QLowEnergyService *> services;
QLowEnergyController *controller = nullptr;
QLowEnergyService *preferred = nullptr;
QList<QByteArray> receivedPackets;
bool isCharacteristicWritten;
device_data_t *device;
unsigned int hw_credit = 0;
unsigned int desc_written = 0;
int timeout;
QList<QBluetoothUuid> telit = {
QBluetoothUuid(QUuid("{00000001-0000-1000-8000-008025000000}")), // TELIT_DATA_RX
QBluetoothUuid(QUuid("{00000002-0000-1000-8000-008025000000}")), // TELIT_DATA_TX
QBluetoothUuid(QUuid("{00000003-0000-1000-8000-008025000000}")), // TELIT_CREDITS_RX
QBluetoothUuid(QUuid("{00000004-0000-1000-8000-008025000000}")) // TELIT_CREDITS_TX
};
QList<QBluetoothUuid> ublox = {
QBluetoothUuid(QUuid("{2456e1b9-26e2-8f83-e744-f34f01e9d703}")), // UBLOX_DATA_RX, UBLOX_DATA_TX
QBluetoothUuid(QUuid("{2456e1b9-26e2-8f83-e744-f34f01e9d704}")) // UBLOX_CREDITS_RX, UBLOX_CREDITS_TX
};
};
extern "C" {
dc_status_t qt_ble_open(void **io, dc_context_t *context, const char *devaddr, device_data_t *user_device);
dc_status_t qt_ble_set_timeout(void *io, int timeout);
dc_status_t qt_ble_poll(void *io, int timeout);
dc_status_t qt_ble_read(void *io, void* data, size_t size, size_t *actual);
dc_status_t qt_ble_write(void *io, const void* data, size_t size, size_t *actual);
dc_status_t qt_ble_ioctl(void *io, unsigned int request, void *data, size_t size);
dc_status_t qt_ble_close(void *io);
}
#endif