stm32/usbdev: Reduce dependency on py header files.

ports/stm32/usbd_conf.h

@@ -38,8 +38,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "py/mpconfig.h"
-
 /* Exported types ------------------------------------------------------------*/
 /* Exported constants --------------------------------------------------------*/
 /* Common Config */

ports/stm32/usbd_desc.c

@@ -33,8 +33,7 @@
 #include "usbd_desc.h"
 #include "usbd_conf.h"
 
-// need these headers just for MP_HAL_UNIQUE_ID_ADDRESS
-#include "py/misc.h"
+// need this header just for MP_HAL_UNIQUE_ID_ADDRESS
 #include "py/mphal.h"
 
 // So we don't clash with existing ST boards, we use the unofficial FOSS VID.

ports/stm32/usbd_msc_storage.c

@@ -36,7 +36,7 @@
 #include "usbd_cdc_msc_hid.h"
 #include "usbd_msc_storage.h"
 
-#include "py/misc.h"
+#include "py/mpstate.h"
 #include "storage.h"
 #include "sdcard.h"
 

ports/stm32/usbdev/class/inc/usbd_cdc_msc_hid.h

@@ -36,8 +36,8 @@ typedef struct {
   uint8_t  CmdOpCode;
   uint8_t  CmdLength;    
   
-  __IO uint32_t TxState;     
-  __IO uint32_t RxState;    
+  volatile uint32_t TxState;
+  volatile uint32_t RxState;
 } USBD_CDC_HandleTypeDef;
 
 typedef struct _USBD_STORAGE {

ports/stm32/usbdev/class/src/usbd_cdc_msc_hid.c

@@ -24,6 +24,7 @@
  * THE SOFTWARE.
  */
 
+#include STM32_HAL_H
 #include "usbd_ioreq.h"
 #include "usbd_cdc_msc_hid.h"