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Update the example application

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The application is now responsible for setting up the USB based I/O
stream.
This commit is contained in:
Jef Driesen 2020-04-30 19:23:59 +02:00
parent c72dc4aa73
commit 5380b247af
2 changed files with 45 additions and 1 deletions
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38
examples/common.c
View File

@ -31,6 +31,7 @@
#include <libdivecomputer/serial.h>
#include <libdivecomputer/bluetooth.h>
#include <libdivecomputer/irda.h>
#include <libdivecomputer/usb.h>
#include <libdivecomputer/usbhid.h>
#include "common.h"
@ -398,6 +399,41 @@ dctool_file_read (const char *filename)
return buffer;
}
static dc_status_t
dctool_usb_open (dc_iostream_t **out, dc_context_t *context, dc_descriptor_t *descriptor)
{
dc_status_t status = DC_STATUS_SUCCESS;
dc_iostream_t *iostream = NULL;
// Discover the usb device.
dc_iterator_t *iterator = NULL;
dc_usb_device_t *device = NULL;
dc_usb_iterator_new (&iterator, context, descriptor);
while (dc_iterator_next (iterator, &device) == DC_STATUS_SUCCESS) {
break;
}
dc_iterator_free (iterator);
if (device == NULL) {
ERROR ("No dive computer found.");
status = DC_STATUS_NODEVICE;
goto cleanup;
}
// Open the usb device.
status = dc_usb_open (&iostream, context, device);
if (status != DC_STATUS_SUCCESS) {
ERROR ("Failed to open the usb device.");
goto cleanup;
}
*out = iostream;
cleanup:
dc_usb_device_free (device);
return status;
}
static dc_status_t
dctool_usbhid_open (dc_iostream_t **out, dc_context_t *context, dc_descriptor_t *descriptor)
{
@ -532,7 +568,7 @@ dctool_iostream_open (dc_iostream_t **iostream, dc_context_t *context, dc_descri
case DC_TRANSPORT_SERIAL:
return dc_serial_open (iostream, context, devname);
case DC_TRANSPORT_USB:
return DC_STATUS_SUCCESS;
return dctool_usb_open(iostream, context, descriptor);
case DC_TRANSPORT_USBHID:
return dctool_usbhid_open(iostream, context, descriptor);
case DC_TRANSPORT_IRDA:

8
examples/dctool_scan.c
View File

@ -36,6 +36,7 @@
#include <libdivecomputer/serial.h>
#include <libdivecomputer/irda.h>
#include <libdivecomputer/bluetooth.h>
#include <libdivecomputer/usb.h>
#include <libdivecomputer/usbhid.h>
#include "dctool.h"
@ -59,6 +60,9 @@ scan (dc_context_t *context, dc_descriptor_t *descriptor, dc_transport_t transpo
case DC_TRANSPORT_BLUETOOTH:
status = dc_bluetooth_iterator_new (&iterator, context, descriptor);
break;
case DC_TRANSPORT_USB:
status = dc_usb_iterator_new (&iterator, context, descriptor);
break;
case DC_TRANSPORT_USBHID:
status = dc_usbhid_iterator_new (&iterator, context, descriptor);
break;
@ -90,6 +94,10 @@ scan (dc_context_t *context, dc_descriptor_t *descriptor, dc_transport_t transpo
dc_bluetooth_device_get_name (device));
dc_bluetooth_device_free (device);
break;
case DC_TRANSPORT_USB:
printf ("%04x:%04x\n", dc_usb_device_get_vid (device), dc_usb_device_get_pid (device));
dc_usb_device_free (device);
break;
case DC_TRANSPORT_USBHID:
printf ("%04x:%04x\n", dc_usbhid_device_get_vid (device), dc_usbhid_device_get_pid (device));
dc_usbhid_device_free (device);