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Dump function for the OSTC3

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This adds a dump function for the ostc3 series computers. This function
dumps the whole external eprom, that contains the dive-headers and the
dive data.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
This commit is contained in:
Anton Lundin 2015-04-25 18:33:28 +02:00 committed by Jef Driesen
parent c03c592a27
commit ad1c17b39d
1 changed files with 57 additions and 3 deletions
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60
src/hw_ostc3.c
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@ -47,7 +47,7 @@
#define SZ_CUSTOMTEXT 60
#define SZ_VERSION (SZ_CUSTOMTEXT + 4)
#define SZ_HARDWARE 1
#define SZ_MEMORY 0x200000
#define SZ_MEMORY 0x400000
#define SZ_CONFIG 4
#define SZ_FIRMWARE 0x01E000 // 120KB
#define SZ_FIRMWARE_BLOCK 0x1000 // 4KB
@ -109,6 +109,7 @@ static const unsigned char ostc3_key[16] = {
};
static dc_status_t hw_ostc3_device_set_fingerprint (dc_device_t *abstract, const unsigned char data[], unsigned int size);
static dc_status_t hw_ostc3_device_dump (dc_device_t *abstract, dc_buffer_t *buffer);
static dc_status_t hw_ostc3_device_foreach (dc_device_t *abstract, dc_dive_callback_t callback, void *userdata);
static dc_status_t hw_ostc3_device_close (dc_device_t *abstract);
@ -117,7 +118,7 @@ static const dc_device_vtable_t hw_ostc3_device_vtable = {
hw_ostc3_device_set_fingerprint, /* set_fingerprint */
NULL, /* read */
NULL, /* write */
NULL, /* dump */
hw_ostc3_device_dump, /* dump */
hw_ostc3_device_foreach, /* foreach */
hw_ostc3_device_close /* close */
};
@ -498,7 +499,7 @@ hw_ostc3_device_foreach (dc_device_t *abstract, dc_dive_callback_t callback, voi
// Enable progress notifications.
dc_event_progress_t progress = EVENT_PROGRESS_INITIALIZER;
progress.maximum = (RB_LOGBOOK_SIZE * RB_LOGBOOK_COUNT) + SZ_MEMORY;
progress.maximum = SZ_MEMORY;
device_event_emit (abstract, DC_EVENT_PROGRESS, &progress);
dc_status_t rc = hw_ostc3_device_init (device, DOWNLOAD);
@ -1161,3 +1162,56 @@ hw_ostc3_device_fwupdate (dc_device_t *abstract, const char *filename)
// Finished!
return DC_STATUS_SUCCESS;
}
static dc_status_t
hw_ostc3_device_dump (dc_device_t *abstract, dc_buffer_t *buffer)
{
hw_ostc3_device_t *device = (hw_ostc3_device_t *) abstract;
// Erase the current contents of the buffer.
if (!dc_buffer_clear (buffer)) {
ERROR (abstract->context, "Insufficient buffer space available.");
return DC_STATUS_NOMEMORY;
}
// Enable progress notifications.
dc_event_progress_t progress = EVENT_PROGRESS_INITIALIZER;
progress.maximum = SZ_MEMORY;
device_event_emit (abstract, DC_EVENT_PROGRESS, &progress);
// Make sure the device is in service mode
dc_status_t rc = hw_ostc3_device_init (device, SERVICE);
if (rc != DC_STATUS_SUCCESS) {
return rc;
}
// Allocate the required amount of memory.
if (!dc_buffer_resize (buffer, SZ_MEMORY)) {
ERROR (abstract->context, "Insufficient buffer space available.");
return DC_STATUS_NOMEMORY;
}
unsigned char *data = dc_buffer_get_data (buffer);
unsigned int nbytes = 0;
while (nbytes < SZ_MEMORY) {
// packet size. Can be almost arbetary size.
unsigned int len = SZ_FIRMWARE_BLOCK;
// Read a block
rc = hw_ostc3_firmware_block_read (device, nbytes, data + nbytes, len);
if (rc != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to read block.");
return rc;
}
// Update and emit a progress event.
progress.current += len;
device_event_emit (abstract, DC_EVENT_PROGRESS, &progress);
nbytes += len;
}
return DC_STATUS_SUCCESS;
}