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Log a warning message for errors.

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This commit is contained in:
Jef Driesen 2011-04-28 21:18:13 +02:00
parent 36e5a75f8e
commit 0517a640bf
1 changed files with 16 additions and 4 deletions
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20
src/atomics_cobalt.c
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@ -107,12 +107,14 @@ atomics_cobalt_device_open (device_t **out)
int rc = libusb_init (&device->context);
if (rc < 0) {
WARNING ("Failed to initialize usb support.");
free (device);
return DEVICE_STATUS_IO;
}
device->handle = libusb_open_device_with_vid_pid (device->context, VID, PID);
if (device->handle == NULL) {
WARNING ("Failed to open the usb device.");
libusb_exit (device->context);
free (device);
return DEVICE_STATUS_IO;
@ -120,6 +122,7 @@ atomics_cobalt_device_open (device_t **out)
rc = libusb_claim_interface (device->handle, 0);
if (rc < 0) {
WARNING ("Failed to claim the usb interface.");
libusb_close (device->handle);
libusb_exit (device->context);
free (device);
@ -128,6 +131,7 @@ atomics_cobalt_device_open (device_t **out)
device_status_t status = atomics_cobalt_device_version ((device_t *) device, device->version, sizeof (device->version));
if (status != DEVICE_STATUS_SUCCESS) {
WARNING ("Failed to identify the dive computer.");
libusb_close (device->handle);
libusb_exit (device->context);
free (device);
@ -212,16 +216,20 @@ atomics_cobalt_device_version (device_t *abstract, unsigned char data[], unsigne
int rc = libusb_control_transfer (device->handle,
LIBUSB_RECIPIENT_DEVICE | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT,
bRequest, 0, 0, NULL, 0, TIMEOUT);
if (rc != LIBUSB_SUCCESS)
if (rc != LIBUSB_SUCCESS) {
WARNING ("Failed to send the command.");
return DEVICE_STATUS_IO;
}
// Receive the answer from the dive computer.
int length = 0;
unsigned char packet[SZ_VERSION + 2] = {0};
rc = libusb_bulk_transfer (device->handle, 0x82,
packet, sizeof (packet), &length, TIMEOUT);
if (rc != LIBUSB_SUCCESS || length != sizeof (packet))
if (rc != LIBUSB_SUCCESS || length != sizeof (packet)) {
WARNING ("Failed to receive the answer.");
return DEVICE_STATUS_IO;
}
// Verify the checksum of the packet.
unsigned short crc = array_uint16_le (packet + SZ_VERSION);
@ -264,8 +272,10 @@ atomics_cobalt_read_dive (device_t *abstract, dc_buffer_t *buffer, int init, dev
int rc = libusb_control_transfer (device->handle,
LIBUSB_RECIPIENT_DEVICE | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT,
bRequest, 0, 0, NULL, 0, TIMEOUT);
if (rc != LIBUSB_SUCCESS)
if (rc != LIBUSB_SUCCESS) {
WARNING ("Failed to send the command.");
return DEVICE_STATUS_IO;
}
unsigned int nbytes = 0;
while (1) {
@ -274,8 +284,10 @@ atomics_cobalt_read_dive (device_t *abstract, dc_buffer_t *buffer, int init, dev
unsigned char packet[10 * 1024] = {0};
rc = libusb_bulk_transfer (device->handle, 0x82,
packet, sizeof (packet), &length, TIMEOUT);
if (rc != LIBUSB_SUCCESS && rc != LIBUSB_ERROR_TIMEOUT)
if (rc != LIBUSB_SUCCESS && rc != LIBUSB_ERROR_TIMEOUT) {
WARNING ("Failed to receive the answer.");
return DEVICE_STATUS_IO;
}
// Update and emit a progress event.
if (progress) {