Merge pull request #13 from hathach/devlocal

add unplugged event for nrf5x

1 files changed, 15 insertions, 7 deletions

diff --git a/examples/device/cdc_msc_hid/src/tusb_config.h b/examples/device/cdc_msc_hid/src/tusb_config.h
index 29ed8a8e0..9bc97ecff 100644
--- a/examples/device/cdc_msc_hid/src/tusb_config.h
+++ b/examples/device/cdc_msc_hid/src/tusb_config.h
@@ -58,10 +58,24 @@
 #define CFG_TUSB_DEBUG              2
 #define CFG_TUSB_OS                 OPT_OS_NONE
 
+/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment.
+ * Tinyusb use follows macros to declare transferring memory so that they can be put
+ * into those specific section.
+ * e.g
+ * - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") ))
+ * - CFG_TUSB_MEM_ALIGN   : __attribute__ ((aligned(4)))
+ */
+#ifndef CFG_TUSB_MEM_SECTION
+#define CFG_TUSB_MEM_SECTION
+#endif
+
+#ifndef CFG_TUSB_MEM_ALIGN
+#define CFG_TUSB_MEM_ALIGN          ATTR_ALIGNED(4)
+#endif
+
 //--------------------------------------------------------------------
 // DEVICE CONFIGURATION
 //--------------------------------------------------------------------
-
 #define CFG_TUD_ENDOINT0_SIZE       64
 
 /*------------- Descriptors -------------*/
@@ -132,12 +146,6 @@
  */
 #define CFG_TUD_HID_ASCII_TO_KEYCODE_LOOKUP 1
 
-//--------------------------------------------------------------------
-// USB RAM PLACEMENT
-//--------------------------------------------------------------------
-#define CFG_TUSB_ATTR_USBRAM
-#define CFG_TUSB_MEM_ALIGN          ATTR_ALIGNED(4)
-
 
 #ifdef __cplusplus
  }