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

2 files changed, 9 insertions, 3 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;
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/tnetv105_usb_drv.c b/firmware/target/arm/tms320dm320/sansa-connect/tnetv105_usb_drv.c
index 56251a96db..00c9c2b80d 100644
--- a/firmware/target/arm/tms320dm320/sansa-connect/tnetv105_usb_drv.c
+++ b/firmware/target/arm/tms320dm320/sansa-connect/tnetv105_usb_drv.c
@@ -1034,7 +1034,7 @@ static int cppi_timeout_cb(struct timeout *tmo)
     int flags = disable_irq_save();
     bool requeue = tnetv_handle_cppi();
     restore_irq(flags);
-    return requeue ? HZ/10 : 0;
+    return requeue ? 1 : 0;
 }
 
 void VLYNQ(void) __attribute__ ((section(".icode")));
@@ -1205,7 +1205,7 @@ void VLYNQ(void)
 
         if (tnetv_handle_cppi())
         {
-            timeout_register(&cppi_timeout, cppi_timeout_cb, HZ/10, 0);
+            timeout_register(&cppi_timeout, cppi_timeout_cb, 1, 0);
         }
     }
 }