diff options
Diffstat (limited to 'src/drivers/device/device.h')
| -rw-r--r-- | src/drivers/device/device.h | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/src/drivers/device/device.h b/src/drivers/device/device.h index d99f22922..9d684e394 100644 --- a/src/drivers/device/device.h +++ b/src/drivers/device/device.h @@ -124,9 +124,37 @@ public: */ virtual int ioctl(unsigned operation, unsigned &arg); + /* + device bus types for DEVID + */ + enum DeviceBusType { + DeviceBusType_UNKNOWN = 0, + DeviceBusType_I2C = 1, + DeviceBusType_SPI = 2 + }; + + /* + broken out device elements. The bitfields are used to keep + the overall value small enough to fit in a float accurately, + which makes it possible to transport over the MAVLink + parameter protocol without loss of information. + */ + struct DeviceStructure { + enum DeviceBusType bus_type:3; + uint8_t bus:5; // which instance of the bus type + uint8_t address; // address on the bus (eg. I2C address) + uint8_t devtype; // device class specific device type + }; + + union DeviceId { + struct DeviceStructure devid_s; + uint32_t devid; + }; + protected: const char *_name; /**< driver name */ bool _debug_enabled; /**< if true, debug messages are printed */ + union DeviceId _device_id; /**< device identifier information */ /** * Constructor @@ -212,6 +240,7 @@ private: * @param context Pointer to the interrupted context. */ static void dev_interrupt(int irq, void *context); + }; /** @@ -441,6 +470,10 @@ private: * @return OK, or -errno on error. */ int remove_poll_waiter(struct pollfd *fds); + + /* do not allow copying this class */ + CDev(const CDev&); + CDev operator=(const CDev&); }; /** @@ -510,6 +543,10 @@ private: } // namespace device // class instance for primary driver of each class -#define CLASS_DEVICE_PRIMARY 0 +enum CLASS_DEVICE { + CLASS_DEVICE_PRIMARY=0, + CLASS_DEVICE_SECONDARY=1, + CLASS_DEVICE_TERTIARY=2 +}; #endif /* _DEVICE_DEVICE_H */ |