subsurface/core/qt-ble.h
Berthold Stoeger 01306224ff import: turn C-string in device_data_t into std::strings
It was never clear what was a pointer to a static string from
libdivecomputer and what was allocated.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2024-08-13 19:28:30 +02:00

82 lines
2.8 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);
dc_status_t get_name(char *res, size_t size);
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;
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