David Smart / MSCFileSystem

Revised to support both SD and USB file system

Dependents:   Multi-FileSystem Multi-FileSystem

Fork of MSCFileSystem by Chris Styles

Files at this revision

API Documentation at this revision

Revision 10:4072b4b1c6f4, committed 2016-10-17

Comitter:
WiredHome
Date:
Mon Oct 17 00:57:08 2016 +0000
Parent:
9:de4ea8f3349b
Commit message:
Minor change in how a buffer was allocated in memory to not be hard-coded address.

Changed in this revision

USBHostLite/usbhost_lpc17xx.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/USBHostLite/usbhost_lpc17xx.cpp	Sun Mar 13 19:13:50 2016 +0000
+++ b/USBHostLite/usbhost_lpc17xx.cpp	Mon Oct 17 00:57:08 2016 +0000
@@ -43,11 +43,24 @@
           USB_INT16U  *TDBufNonVol;               /* Identical to TDBuffer just to reduce compiler warnings */
 volatile  USB_INT08U  *TDBuffer;                  /* Current Buffer Pointer of transfer descriptor          */
 
+#if 0
+// This construction may cause:
+//   Error: Unable to automatically place AT section usbhost_lpc17xx.LPC1768.o(.ARM.__AT_0x2007C000) 
+//   with required base address 0x2007c000. Please manually place in the scatter file using the --no_autoat option.
+//
 // USB host structures
 // AHB SRAM block 1
 #define HOSTBASEADDR 0x2007C000
 // reserve memory for the linker
 static USB_INT08U HostBuf[0x200] __attribute__((at(HOSTBASEADDR)));
+#else
+// Which might be solved by this:
+//
+// USB host structures
+// AHB SRAM block 1
+// reserve memory for the linker
+static volatile __align(0x200) USB_INT08U HostBuf[0x200] __attribute((section("AHBSRAM1"),aligned));
+#endif
 /*
 **************************************************************************************************************
 *                                         DELAY IN MILLI SECONDS