Merge pull request #119 from spectaclelabs/USBDevice-STM32F4

Add initial USB Device support for STM32F4

Author: bogdanm

libraries/USBDevice/USBDevice/USBEndpoints.h

@@ -43,6 +43,8 @@ typedef enum {
 #include "USBEndpoints_LPC11U.h"
 #elif defined(TARGET_KL25Z)
 #include "USBEndpoints_KL25Z.h"
+#elif defined (TARGET_STM32F4XX)
+#include "USBEndpoints_STM32F4.h"
 #else
 #error "Unknown target type"
 #endif

libraries/USBDevice/USBDevice/USBEndpoints_STM32F4.h

@@ -0,0 +1,61 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#define NUMBER_OF_LOGICAL_ENDPOINTS (4)
+#define NUMBER_OF_PHYSICAL_ENDPOINTS (NUMBER_OF_LOGICAL_ENDPOINTS * 2)
+
+/* Define physical endpoint numbers */
+
+/*      Endpoint    No.     Type(s)       MaxPacket   DoubleBuffer  */
+/*      ----------------    ------------  ----------  ---           */
+#define EP0OUT      (0)  /* Control       64          No            */
+#define EP0IN       (1)  /* Control       64          No            */
+#define EP1OUT      (2)  /* Int/Bulk/Iso  64/64/1023  Yes           */
+#define EP1IN       (3)  /* Int/Bulk/Iso  64/64/1023  Yes           */
+#define EP2OUT      (4)  /* Int/Bulk/Iso  64/64/1023  Yes           */
+#define EP2IN       (5)  /* Int/Bulk/Iso  64/64/1023  Yes           */
+#define EP3OUT      (6)  /* Int/Bulk/Iso  64/64/1023  Yes           */
+#define EP3IN       (7)  /* Int/Bulk/Iso  64/64/1023  Yes           */
+
+/* Maximum Packet sizes */
+
+#define MAX_PACKET_SIZE_EP0 (64)
+#define MAX_PACKET_SIZE_EP1 (64) /* Int/Bulk */
+#define MAX_PACKET_SIZE_EP2 (64) /* Int/Bulk */
+#define MAX_PACKET_SIZE_EP3 (64) /* Int/Bulk */
+
+#define MAX_PACKET_SIZE_EP1_ISO (1023) /* Isochronous */
+#define MAX_PACKET_SIZE_EP2_ISO (1023) /* Isochronous */
+#define MAX_PACKET_SIZE_EP3_ISO (1023) /* Isochronous */
+
+/* Generic endpoints - intended to be portable accross devices */
+/* and be suitable for simple USB devices. */
+
+/* Bulk endpoint */
+#define EPBULK_OUT  (EP2OUT)
+#define EPBULK_IN   (EP2IN)
+/* Interrupt endpoint */
+#define EPINT_OUT   (EP1OUT)
+#define EPINT_IN    (EP1IN)
+/* Isochronous endpoint */
+#define EPISO_OUT   (EP3OUT)
+#define EPISO_IN    (EP3IN)
+
+#define MAX_PACKET_SIZE_EPBULK  (MAX_PACKET_SIZE_EP2)
+#define MAX_PACKET_SIZE_EPINT   (MAX_PACKET_SIZE_EP1)
+#define MAX_PACKET_SIZE_EPISO   (MAX_PACKET_SIZE_EP3_ISO)

libraries/USBDevice/USBDevice/USBHAL.h

@@ -74,9 +74,9 @@ class USBHAL {
     virtual bool EP2_IN_callback(){return false;};
     virtual bool EP3_OUT_callback(){return false;};
     virtual bool EP3_IN_callback(){return false;};
+#if !defined(TARGET_STM32F4)
     virtual bool EP4_OUT_callback(){return false;};
     virtual bool EP4_IN_callback(){return false;};
-    
 #if !defined(TARGET_LPC11U24)
     virtual bool EP5_OUT_callback(){return false;};
     virtual bool EP5_IN_callback(){return false;};
@@ -101,6 +101,7 @@ class USBHAL {
     virtual bool EP15_OUT_callback(){return false;};
     virtual bool EP15_IN_callback(){return false;};
 #endif
+#endif
 
 private:
     void usbisr(void);
@@ -109,6 +110,8 @@ class USBHAL {
 
 #if defined(TARGET_LPC11U24)
         bool (USBHAL::*epCallback[10 - 2])(void);
+#elif defined(TARGET_STM32F4XX)
+        bool (USBHAL::*epCallback[8 - 2])(void);
 #else
         bool (USBHAL::*epCallback[32 - 2])(void);
 #endif