From 49bcf3530962c40857c510af431968960ba4bdc6 Mon Sep 17 00:00:00 2001
From: Marcin Bukat <marcin.bukat@gmail.com>
Date: Wed, 24 Jul 2013 22:40:12 +0200
Subject: [PATCH] usb stack: add more verbose debug logf()s

Change-Id: I087aefd2854978813c7e4ed7ef7da400f3692e39
---
 firmware/usbstack/usb_core.c    | 8 ++++++--
 firmware/usbstack/usb_storage.c | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/firmware/usbstack/usb_core.c b/firmware/usbstack/usb_core.c
index cc41e8b892..130111cdfe 100644
--- a/firmware/usbstack/usb_core.c
+++ b/firmware/usbstack/usb_core.c
@@ -440,7 +440,10 @@ void usb_core_handle_transfer_completion(
 
     switch(ep) {
         case EP_CONTROL:
-            logf("ctrl handled %ld",current_tick);
+            logf("ctrl handled %ld req=0x%x",
+                 current_tick,
+                 ((struct usb_ctrlrequest*)event->data)->bRequest);
+
             usb_core_control_request_handler(
                 (struct usb_ctrlrequest*)event->data);
             break;
@@ -825,6 +828,7 @@ static void request_handler_endpoint_standard(struct usb_ctrlrequest* req)
             usb_drv_send(EP_CONTROL, NULL, 0);
             break;
         case USB_REQ_SET_FEATURE:
+            logf("usb_core: SET FEATURE (%d)", req->wValue);
             if(req->wValue == USB_ENDPOINT_HALT)
                usb_drv_stall(EP_NUM(req->wIndex), true, EP_DIR(req->wIndex));
             
@@ -959,7 +963,7 @@ void usb_core_control_request(struct usb_ctrlrequest* req)
     completion_event->data = (void*)req;
     completion_event->status = 0;
     completion_event->length = 0;
-    logf("ctrl received %ld", current_tick);
+    logf("ctrl received %ld, req=0x%x", current_tick, req->bRequest);
     usb_signal_transfer_completion(completion_event);
 }
 
diff --git a/firmware/usbstack/usb_storage.c b/firmware/usbstack/usb_storage.c
index 85a0e2b843..c51b0faa4c 100644
--- a/firmware/usbstack/usb_storage.c
+++ b/firmware/usbstack/usb_storage.c
@@ -753,6 +753,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
     unsigned int block_size_mult = 1;
 
     if(letoh32(cbw->signature) != CBW_SIGNATURE) {
+        logf("ums: bad cbw signature (%x)", cbw->signature);
         usb_drv_stall(ep_in, true,true);
         usb_drv_stall(ep_out, true,false);
         return;