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Basic image driver foundations

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The basic model is that image drivers declare a fp_img_driver structure
rather than a fp_driver struct. fp_img_driver will contain primitive imaging
operations such as 'scan finger and return image'. The imgdev layer will
generically implement the primitive fp_driver operations, and the imgdev
layer will fix up the enroll/verify/etc pointers at driver registration
time.

Removed const from all fp_driver declarations, as these are now modified
dynamically in the case of imaging drivers.
This commit is contained in:
Daniel Drake
2007-10-23 23:24:21 +01:00
parent c97f4bb1a7
commit 2709c6dc8c
9 changed files with 82 additions and 25 deletions
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23
libfprint/fp_internal.h
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@@ -72,7 +72,7 @@ void fpi_log(enum fpi_log_level, const char *component, const char *function,
#define fp_err(fmt...) _fpi_log(LOG_LEVEL_ERROR, fmt)
struct fp_dev {
const struct fp_driver *drv;
struct fp_driver *drv;
usb_dev_handle *udev;
void *priv;
@@ -88,10 +88,18 @@ struct usb_id {
unsigned long driver_data;
};
enum fp_driver_type {
DRIVER_PRIMITIVE = 0,
DRIVER_IMAGING = 1,
};
struct fp_driver {
const char *name;
const char *full_name;
const struct usb_id * const id_table;
enum fp_driver_type type;
void *priv;
/* Device operations */
int (*init)(struct fp_dev *dev);
@@ -101,11 +109,20 @@ struct fp_driver {
int (*verify)(struct fp_dev *dev, struct fp_print_data *data);
};
extern const struct fp_driver upekts_driver;
struct fp_img_driver {
struct fp_driver driver;
/* Device operations */
};
extern struct fp_driver upekts_driver;
extern struct fp_img_driver uru4000_driver;
void fpi_img_driver_setup(struct fp_img_driver *idriver);
struct fp_dscv_dev {
struct usb_device *udev;
const struct fp_driver *drv;
struct fp_driver *drv;
};
struct fp_print_data {