FlapJackApps/libdivecomputer
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Automatically abort when a dive is older than the provided timestamp.

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This commit is contained in:
Jef Driesen 2009-02-06 08:27:07 +00:00
parent e5fea5a370
commit 19cc36b527
3 changed files with 29 additions and 3 deletions
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1
src/libdivecomputer.symbols
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@ -41,6 +41,7 @@ oceanic_vtpro_device_open
oceanic_vtpro_device_keepalive
oceanic_vtpro_device_calibrate
reefnet_sensus_device_open
reefnet_sensus_device_set_timestamp
reefnet_sensus_extract_dives
reefnet_sensuspro_device_open
reefnet_sensuspro_device_set_timestamp

26
src/reefnet_sensus.c
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@ -46,6 +46,7 @@ struct reefnet_sensus_device_t {
device_t base;
struct serial *port;
unsigned int waiting;
unsigned int timestamp;
};
static device_status_t reefnet_sensus_device_handshake (device_t *abstract, unsigned char *data, unsigned int size);
@ -111,6 +112,7 @@ reefnet_sensus_device_open (device_t **out, const char* name)
// Set the default values.
device->port = NULL;
device->waiting = 0;
device->timestamp = 0;
// Open the device.
int rc = serial_open (&device->port, name);
@ -172,6 +174,20 @@ reefnet_sensus_device_close (device_t *abstract)
}
device_status_t
reefnet_sensus_device_set_timestamp (device_t *abstract, unsigned int timestamp)
{
reefnet_sensus_device_t *device = (reefnet_sensus_device_t*) abstract;
if (! device_is_reefnet_sensus (abstract))
return DEVICE_STATUS_TYPE_MISMATCH;
device->timestamp = timestamp;
return DEVICE_STATUS_SUCCESS;
}
static device_status_t
reefnet_sensus_device_handshake (device_t *abstract, unsigned char *data, unsigned int size)
{
@ -324,12 +340,12 @@ reefnet_sensus_device_foreach (device_t *abstract, dive_callback_t callback, voi
if (rc != DEVICE_STATUS_SUCCESS)
return rc;
return reefnet_sensus_extract_dives (data, sizeof (data), callback, userdata);
return reefnet_sensus_extract_dives (data, sizeof (data), callback, userdata, device->timestamp);
}
device_status_t
reefnet_sensus_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata)
reefnet_sensus_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata, unsigned int timestamp)
{
// Search the entire data stream for start markers.
unsigned int previous = size;
@ -375,6 +391,12 @@ reefnet_sensus_extract_dives (const unsigned char data[], unsigned int size, div
return DEVICE_STATUS_ERROR;
}
// Automatically abort when a dive is older than the provided timestamp.
unsigned int datetime = data[current + 2] + (data[current + 3] << 8) +
(data[current + 4] << 16) + (data[current + 5] << 24);
if (datetime <= timestamp)
return DEVICE_STATUS_SUCCESS;
if (callback && !callback (data + current, offset - current, userdata))
return DEVICE_STATUS_SUCCESS;

5
src/reefnet_sensus.h
View File

@ -36,7 +36,10 @@ device_status_t
reefnet_sensus_device_open (device_t **device, const char* name);
device_status_t
reefnet_sensus_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata);
reefnet_sensus_device_set_timestamp (device_t *device, unsigned int timestamp);
device_status_t
reefnet_sensus_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata, unsigned int timestamp);
parser_status_t
reefnet_sensus_parser_create (parser_t **parser);