Sansa Connect: Working USB Mass Storage

Acknowledge SYS_USB_CONNECTED in all queues so USB task can gain
exclusive access to the storage.

Reduce CPPI requeue timeout to speed up disk access.

Change-Id: I322aae4cac679696bb8186ccacf838a18f0715e9

1 files changed, 7 insertions, 1 deletions

diff --git a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
index 611bdbfde5..1af9789174 100644
--- a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
+++ b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
@@ -374,7 +374,13 @@ void btn_thread(void)
     while (1)
     {
         queue_wait(&btn_queue, &ev);
-        
+
+        if (ev.id == SYS_USB_CONNECTED)
+        {
+            /* Allow USB to gain exclusive storage access */
+            usb_acknowledge(SYS_USB_CONNECTED_ACK);
+        }
+
         /* Ignore all messages except BTN_INTERRUPT */
         if (ev.id != BTN_INTERRUPT)
             continue;