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Add support for the fingerprint feature.

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This commit is contained in:
Jef Driesen 2016-02-23 22:52:31 +01:00
parent ce82829284
commit 76c52b582a
1 changed files with 31 additions and 3 deletions
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34
src/suunto_eonsteel.c
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@ -52,6 +52,7 @@ typedef struct suunto_eonsteel_device_t {
libusb_device_handle *handle;
unsigned int magic;
unsigned short seq;
unsigned char fingerprint[4];
} suunto_eonsteel_device_t;
// The EON Steel implements a small filesystem
@ -81,13 +82,14 @@ struct directory_entry {
#define READDIR_CMD 0x0910
#define DIR_CLOSE_CMD 0x0a10
static dc_status_t suunto_eonsteel_device_set_fingerprint (dc_device_t *abstract, const unsigned char data[], unsigned int size);
static dc_status_t suunto_eonsteel_device_foreach(dc_device_t *abstract, dc_dive_callback_t callback, void *userdata);
static dc_status_t suunto_eonsteel_device_close(dc_device_t *abstract);
static const dc_device_vtable_t suunto_eonsteel_device_vtable = {
sizeof(suunto_eonsteel_device_t),
DC_FAMILY_SUUNTO_EONSTEEL,
NULL, /* set_fingerprint */
suunto_eonsteel_device_set_fingerprint, /* set_fingerprint */
NULL, /* read */
NULL, /* write */
NULL, /* dump */
@ -570,6 +572,7 @@ suunto_eonsteel_device_open(dc_device_t **out, dc_context_t *context, const char
// Set up the magic handshake fields
eon->magic = INIT_MAGIC;
eon->seq = INIT_SEQ;
memset (eon->fingerprint, 0, sizeof (eon->fingerprint));
if (libusb_init(&eon->ctx)) {
ERROR(context, "libusb_init() failed");
@ -619,6 +622,22 @@ static int count_dir_entries(struct directory_entry *de)
return count;
}
static dc_status_t
suunto_eonsteel_device_set_fingerprint (dc_device_t *abstract, const unsigned char data[], unsigned int size)
{
suunto_eonsteel_device_t *device = (suunto_eonsteel_device_t *) abstract;
if (size && size != sizeof (device->fingerprint))
return DC_STATUS_INVALIDARGS;
if (size)
memcpy (device->fingerprint, data, sizeof (device->fingerprint));
else
memset (device->fingerprint, 0, sizeof (device->fingerprint));
return DC_STATUS_SUCCESS;
}
static dc_status_t
suunto_eonsteel_device_foreach(dc_device_t *abstract, dc_dive_callback_t callback, void *userdata)
{
@ -642,6 +661,8 @@ suunto_eonsteel_device_foreach(dc_device_t *abstract, dc_dive_callback_t callbac
int len;
struct directory_entry *next = de->next;
unsigned char buf[4];
const unsigned char *data = NULL;
unsigned int size = 0;
if (device_is_cancelled(abstract))
skip = 1;
@ -668,9 +689,16 @@ suunto_eonsteel_device_foreach(dc_device_t *abstract, dc_dive_callback_t callbac
rc = read_file(eon, pathname, file);
if (rc < 0)
break;
if (!callback)
data = dc_buffer_get_data(file);
size = dc_buffer_get_size(file);
if (memcmp (data, eon->fingerprint, sizeof (eon->fingerprint)) == 0) {
skip = 1;
break;
if (!callback(dc_buffer_get_data(file), dc_buffer_get_size(file), NULL, 0, userdata))
}
if (callback && !callback(data, size, data, sizeof(eon->fingerprint), userdata))
skip = 1;
}
progress.current++;