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Add BLE support for the Scubapro G2 devices

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The main difference with the USB HID communication is that the BLE data
packets have a variable size and are no longer padded to the full 32
(Tx) or 64 (Rx) bytes.
This commit is contained in:
Jef Driesen 2018-02-12 12:07:33 +01:00
parent afff8b450f
commit 3dcf93e26e
2 changed files with 18 additions and 9 deletions
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4
src/descriptor.c
View File

@ -135,9 +135,9 @@ static const dc_descriptor_t g_descriptors[] = {
{"Scubapro", "Chromis", DC_FAMILY_UWATEC_MERIDIAN, 0x24, DC_TRANSPORT_SERIAL, NULL},
{"Scubapro", "Mantis 2", DC_FAMILY_UWATEC_MERIDIAN, 0x26, DC_TRANSPORT_SERIAL, NULL},
/* Scubapro G2 */
{"Scubapro", "Aladin Sport Matrix", DC_FAMILY_UWATEC_G2, 0x17, DC_TRANSPORT_NONE, dc_filter_uwatec},
{"Scubapro", "Aladin Sport Matrix", DC_FAMILY_UWATEC_G2, 0x17, DC_TRANSPORT_BLE, dc_filter_uwatec},
{"Scubapro", "Aladin Square", DC_FAMILY_UWATEC_G2, 0x22, DC_TRANSPORT_USBHID, dc_filter_uwatec},
{"Scubapro", "G2", DC_FAMILY_UWATEC_G2, 0x32, DC_TRANSPORT_USBHID, dc_filter_uwatec},
{"Scubapro", "G2", DC_FAMILY_UWATEC_G2, 0x32, DC_TRANSPORT_USBHID | DC_TRANSPORT_BLE, dc_filter_uwatec},
/* Reefnet */
{"Reefnet", "Sensus", DC_FAMILY_REEFNET_SENSUS, 1, DC_TRANSPORT_SERIAL, NULL},
{"Reefnet", "Sensus Pro", DC_FAMILY_REEFNET_SENSUSPRO, 2, DC_TRANSPORT_SERIAL, NULL},

23
src/uwatec_g2.c
View File

@ -74,21 +74,25 @@ receive_data (uwatec_g2_device_t *device, dc_event_progress_t *progress, unsigne
rc = dc_iostream_read (device->iostream, buf, sizeof(buf), &transferred);
if (rc != DC_STATUS_SUCCESS) {
ERROR (device->base.context, "read interrupt transfer failed");
ERROR (device->base.context, "Failed to receive the packet.");
return rc;
}
if (transferred != sizeof(buf)) {
ERROR (device->base.context, "incomplete read interrupt transfer (got " DC_PRINTF_SIZE ", expected " DC_PRINTF_SIZE ")", transferred, sizeof(buf));
if (transferred < 1) {
ERROR (device->base.context, "Invalid packet length (" DC_PRINTF_SIZE ").", transferred);
return DC_STATUS_PROTOCOL;
}
len = buf[0];
if (len >= sizeof(buf)) {
ERROR (device->base.context, "read interrupt transfer returns impossible packet size (%d)", len);
if (len + 1 > transferred) {
ERROR (device->base.context, "Invalid payload length (%u).", len);
return DC_STATUS_PROTOCOL;
}
HEXDUMP (device->base.context, DC_LOGLEVEL_DEBUG, "rcv", buf + 1, len);
if (len > size) {
ERROR (device->base.context, "receive result buffer too small");
ERROR (device->base.context, "Insufficient buffer space available.");
return DC_STATUS_PROTOCOL;
}
@ -124,7 +128,12 @@ uwatec_g2_transfer (uwatec_g2_device_t *device, const unsigned char command[], u
buf[1] = csize;
memcpy(buf + 2, command, csize);
memset(buf + 2 + csize, 0, sizeof(buf) - (csize + 2));
status = dc_iostream_write (device->iostream, buf, sizeof(buf), &transferred);
if (dc_iostream_get_transport(device->iostream) == DC_TRANSPORT_BLE) {
status = dc_iostream_write(device->iostream, buf + 1, csize + 1, &transferred);
} else {
status = dc_iostream_write(device->iostream, buf, sizeof(buf), &transferred);
}
if (status != DC_STATUS_SUCCESS) {
ERROR (device->base.context, "Failed to send the command.");
return status;