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process transfers in correct order - use single active data source

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This commit is contained in:
Matthias Ringwald 2017-01-06 17:27:18 +01:00
parent f258f41689
commit f9644fc508
1 changed files with 55 additions and 3 deletions
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58
platform/windows/hci_transport_h2_winusb.c
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@ -378,7 +378,7 @@ static void usb_submit_sco_in_transfer(int i, int continue_stream){
ULONG current_frame_number;
WinUsb_GetCurrentFrameNumber(usb_interface_0_handle, &current_frame_number, &timestamp);
// log_info("WinUsb_ReadIsochPipeAsap #%u - current frame %lu", i, current_frame_number);
log_info("WinUsb_ReadIsochPipeAsap #%02u - current frame %lu", i, current_frame_number);
BOOL result = WinUsb_ReadIsochPipeAsap(hci_sco_in_buffer_handle, i * SCO_PACKET_SIZE, SCO_PACKET_SIZE,
continue_stream, NUM_ISO_PACKETS, &hci_sco_packet_descriptors[i * NUM_ISO_PACKETS], &usb_overlapped_sco_in[i]);
@ -396,7 +396,7 @@ static void usb_submit_sco_in_transfer(int i, int continue_stream){
}
#endif
// IO_PENDING -> wait for completed
btstack_run_loop_enable_data_source_callbacks(&usb_data_source_sco_in[i], DATA_SOURCE_CALLBACK_READ);
// btstack_run_loop_enable_data_source_callbacks(&usb_data_source_sco_in[i], DATA_SOURCE_CALLBACK_READ);
return;
exit_on_error:
@ -587,11 +587,58 @@ static void usb_process_sco_out(btstack_data_source_t *ds, btstack_data_source_
static void usb_process_sco_in(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){
btstack_run_loop_disable_data_source_callbacks(ds, DATA_SOURCE_CALLBACK_WRITE);
// get current frame number
ULONG current_frame_number;
LARGE_INTEGER timestamp;
WinUsb_GetCurrentFrameNumber(usb_interface_0_handle, &current_frame_number, &timestamp);
// find index
int i;
for (i=0;i<ISOC_BUFFERS;i++){
if (ds == &usb_data_source_sco_in[i]) break;
}
int transfer_index = i;
// log_info("usb_process_sco_in[%02u] -- current frame %lu", transfer_index, current_frame_number);
DWORD bytes_transferred;
BOOL ok = WinUsb_GetOverlappedResult(usb_interface_0_handle, &usb_overlapped_sco_in[transfer_index], &bytes_transferred, FALSE);
if(!ok) {
DWORD err = GetLastError();
if (err == ERROR_IO_INCOMPLETE) {
// IO_INCOMPLETE -> wait for completed
btstack_run_loop_enable_data_source_callbacks(ds, DATA_SOURCE_CALLBACK_READ);
return;
}
log_error("usb_process_sco_in[%02u]: error reading %u, Internal %x", transfer_index, (int) err, (int) usb_overlapped_sco_out[i].Internal);
usb_submit_sco_in_transfer(transfer_index, 1);
}
if (ok){
for (i=0;i<NUM_ISO_PACKETS;i++){
USBD_ISO_PACKET_DESCRIPTOR * packet_descriptor = &hci_sco_packet_descriptors[transfer_index * NUM_ISO_PACKETS + i];
if (packet_descriptor->Length){
uint8_t * iso_data = &hci_sco_in_buffer[transfer_index * SCO_PACKET_SIZE + packet_descriptor->Offset];
uint16_t iso_len = packet_descriptor->Length;
// log_info_hexdump(iso_data, iso_len);
sco_handle_data(iso_data, iso_len);
}
}
}
// usb_submit_sco_in_transfer_at_frame(i, &sco_next_transfer_at_frame);
usb_submit_sco_in_transfer(transfer_index, 1);
// update expected and wait for completion
usb_sco_in_expected_transfer = (transfer_index+ 1) % ISOC_BUFFERS;
// log_info("usb_process_sco_in[%02u]: enable data source %02u", transfer_index, usb_sco_in_expected_transfer);
btstack_run_loop_enable_data_source_callbacks(&usb_data_source_sco_in[usb_sco_in_expected_transfer], DATA_SOURCE_CALLBACK_WRITE);
#if 0
// check all transfers, starting with usb_sco_in_expected_transfer
int i;
for (i=0;i<ISOC_BUFFERS;i++){
@ -629,6 +676,7 @@ static void usb_process_sco_in(btstack_data_source_t *ds, btstack_data_source_c
// update expected
usb_sco_in_expected_transfer = (i + 1) % ISOC_BUFFERS;
}
#endif
}
static void usb_process_command_out(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){
@ -843,7 +891,6 @@ static int usb_try_open_device(const char * device_path){
usb_data_source_sco_in[i].handle = usb_overlapped_sco_in[i].hEvent;
btstack_run_loop_set_data_source_handler(&usb_data_source_sco_in[i], &usb_process_sco_in);
btstack_run_loop_add_data_source(&usb_data_source_sco_in[i]);
usb_sco_in_expected_transfer = 0;
}
memset(&usb_overlapped_sco_out, 0, sizeof(usb_overlapped_sco_out));
@ -892,6 +939,11 @@ static int usb_try_open_device(const char * device_path){
usb_submit_sco_in_transfer(i, 0);
}
usb_sco_in_expected_transfer = 0;
// only await first transfer to return
btstack_run_loop_enable_data_source_callbacks(&usb_data_source_sco_in[usb_sco_in_expected_transfer], DATA_SOURCE_CALLBACK_READ);
// test code to check continous iso transfers
#if 0