Add STM32 USBDEV driver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2185 42af7a65-404d-4744-a932-0658087f49c3

configs/stm3210e-eval/src/Makefile

@@ -39,8 +39,8 @@ CFLAGS		+= -I$(TOPDIR)/sched
 
 ASRCS		= 
 AOBJS		= $(ASRCS:.S=$(OBJEXT))
-CSRCS		= up_boot.c up_leds.c up_spi.c up_extcontext.c up_selectnor.c \
+CSRCS		= up_boot.c up_leds.c up_spi.c up_usbdev.c up_extcontext.c \
-		      up_deselectnor.c up_selectsram.c up_deselectsram.c
+		  up_selectnor.c up_deselectnor.c up_selectsram.c up_deselectsram.c
 ifeq ($(CONFIG_EXAMPLES_NSH_ARCHINIT),y)
 CSRCS		+= up_nsh.c
 endif

configs/stm3210e-eval/src/stm3210e-internal.h

@@ -65,14 +65,24 @@
 
 /* LEDs */
 
-#define GPIO_LED1     (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN6)
+#define GPIO_LED1       (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
-#define GPIO_LED2     (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN7)
+                         GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN6)
-#define GPIO_LED3     (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN8)
+#define GPIO_LED2       (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
-#define GPIO_LED4     (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN9)
+                         GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN7)
+#define GPIO_LED3       (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
+                         GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN8)
+#define GPIO_LED4       (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
+                         GPIO_OUTPUT_CLEAR|GPIO_PORTF|GPIO_PIN9)
 
 /* SPI FLASH chip select:  PA.4 */
 
-#define GPIO_FLASH_CS (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN2)
+#define GPIO_FLASH_CS   (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
+                         GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN2)
+
+/* USB Soft Connect Pullup: PB.14 */
+
+#define GPIO_USB_PULLUP (GPIO_OUTPUT|GPIO_CNF_OUTOD|GPIO_MODE_50MHz|\
+                         GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN14)
 
 /************************************************************************************
  * Public Types
@@ -115,6 +125,16 @@ extern const uint16 g_commonconfig[NCOMMON_CONFIG];
 
 extern void weak_function stm32_spiinitialize(void);
 
+/************************************************************************************
+ * Name: stm32_usbinitialize
+ *
+ * Description:
+ *   Called to setup USB-related GPIO pins for the STM3210E-EVAL board.
+ *
+ ************************************************************************************/
+
+extern void weak_function stm32_usbinitialize(void);
+
 /************************************************************************************
  * Name: stm32_extcontextsave
  *

configs/stm3210e-eval/src/up_boot.c

@@ -94,6 +94,18 @@ void stm32_boardinitialize(void)
     }
 #endif
 
+   /* Initialize USB is 1) USBDEV is selected, 2) the USB controller is not
+    * disabled, and 3) the weak function stm32_usbinitialize() has been brought
+    * into the build.
+    */
+
+#if defined(CONFIG_USBDEV) && defined(CONFIG_STM32_USB)
+  if (stm32_usbinitialize)
+    {
+      stm32_usbinitialize();
+    }
+#endif
+
   /* Configure on-board LEDs if LED support has been selected. */
 
 #ifdef CONFIG_ARCH_LEDS

configs/stm3210e-eval/src/up_usbdev.c

@@ -0,0 +1,112 @@
+/************************************************************************************
+ * configs/stm3210e-eval/src/up_usbdev.c
+ * arch/arm/src/board/up_boot.c
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+
+#include <debug.h>
+
+#include <nuttx/usbdev.h>
+
+#include "up_arch.h"
+#include "stm32_internal.h"
+#include "stm3210e-internal.h"
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Name: stm32_usbinitialize
+ *
+ * Description:
+ *   Called to setup USB-related GPIO pins for the STM3210E-EVAL board.
+ *
+ ************************************************************************************/
+
+void stm32_usbinitialize(void)
+{
+  /* USB Soft Connect Pullup: PB.14 */
+
+  stm32_configgpio(GPIO_USB_PULLUP);
+}
+
+/************************************************************************************
+ * Name:  stm32_usbpullup
+ *
+ * Description:
+ *   If USB is supported and the board supports a pullup via GPIO (for USB software
+ *   connect and disconnect), then the board software must provide stm32_pullup.
+ *   See include/nuttx/usbdev.h for additional description of this method.
+ *   Alternatively, if no pull-up GPIO the following EXTERN can be redefined to be
+ *   NULL.
+ *
+ ************************************************************************************/
+
+int stm32_usbpullup(FAR struct usbdev_s *dev,  boolean enable)
+{
+  stm32_gpiowrite(GPIO_USB_PULLUP, !enable);
+  return OK;
+}
+
+/************************************************************************************
+ * Name:  stm32_usbsuspend
+ *
+ * Description:
+ *   Board logic must provide the stm32_usbsuspend logic if the USBDEV driver is
+ *   used.  This function is called whenever the USB enters or leaves suspend mode.
+ *   This is an opportunity for the board logic to shutdown clocks, power, etc.
+ *   while the USB is suspended.
+ *
+ ************************************************************************************/
+
+void stm32_usbsuspend(FAR struct usbdev_s *dev, boolean resume)
+{
+  ulldbg("resume: %d\n", resume);
+}
+