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Tidying up in decouple

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This commit is contained in:
Russell
2011-11-21 11:54:45 +00:00
parent f568790fc3
commit 61726fd98b
1 changed files with 5 additions and 16 deletions
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21
module_usb_aud_shared/usb_buffer/decouple.xc
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@@ -1033,12 +1033,8 @@ void decouple(chanend c_mix_out,
/* Swap the collecting and sending buffer */ /* Swap the collecting and sending buffer */
swap(midi_to_host_buffer_being_collected, midi_to_host_buffer_being_sent); swap(midi_to_host_buffer_being_collected, midi_to_host_buffer_being_sent);
{ /* Request to send packet */
/* Request to send packet */ XUD_SetReady_In(midi_to_host_usb_ep, 0, midi_to_host_buffer_being_sent+4, midi_data_collected_from_device);
int len;
asm("ldw %0, %1[0]":"=r"(len):"r"(midi_to_host_buffer_being_sent));
XUD_SetReady_In(midi_to_host_usb_ep, 0, midi_to_host_buffer_being_sent+4, len);
}
/* Mark as waiting for host to poll us */ /* Mark as waiting for host to poll us */
midi_waiting_on_send_to_host = 1; midi_waiting_on_send_to_host = 1;
@@ -1058,9 +1054,6 @@ void decouple(chanend c_mix_out,
if (midi_from_host_flag) if (midi_from_host_flag)
{ {
/* The buffer() thread has filled up a buffer */ /* The buffer() thread has filled up a buffer */
int datalength;
int space_left;
/* Reset flag */ /* Reset flag */
SET_SHARED_GLOBAL(g_midi_from_host_flag, 0); SET_SHARED_GLOBAL(g_midi_from_host_flag, 0);
@@ -1123,16 +1116,12 @@ void decouple(chanend c_mix_out,
if (!midi_waiting_on_send_to_host) if (!midi_waiting_on_send_to_host)
{ {
write_via_xc_ptr(midi_to_host_buffer_being_collected, midi_data_collected_from_device); write_via_xc_ptr(midi_to_host_buffer_being_collected, midi_data_collected_from_device);
midi_data_collected_from_device = 0;
swap(midi_to_host_buffer_being_collected, midi_to_host_buffer_being_sent); swap(midi_to_host_buffer_being_collected, midi_to_host_buffer_being_sent);
// Signal other side to swap // Signal other side to swap
{ XUD_SetReady_In(midi_to_host_usb_ep, 0, midi_to_host_buffer_being_sent+4, midi_data_collected_from_device);
int len; midi_data_collected_from_device = 0;
asm("ldw %0, %1[0]":"=r"(len):"r"(midi_to_host_buffer_being_sent));
XUD_SetReady_In(midi_to_host_usb_ep, 0, midi_to_host_buffer_being_sent+4, len);
}
midi_waiting_on_send_to_host = 1; midi_waiting_on_send_to_host = 1;
} }
} }