Fixed broken DFU bootloader, added XPLAIN support for bootloader start when XCK jumpe...

[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / USBController.c

diff --git a/LUFA/Drivers/USB/LowLevel/USBController.c b/LUFA/Drivers/USB/LowLevel/USBController.c
index fe62482..fc57256 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/USBController.c
+++ b/LUFA/Drivers/USB/LowLevel/USBController.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.

-              
+

   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com

-      www.fourwalledcubicle.com
+           www.lufa-lib.org

 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 

-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this

   software and its documentation for any purpose is hereby granted
   software and its documentation for any purpose is hereby granted

-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in

   all copies and that both that the copyright notice and this
   all copies and that both that the copyright notice and this

-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the

   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this


@@ -29,10 +29,11 @@
 */
 
 #define  __INCLUDE_FROM_USB_DRIVER
 */
 
 #define  __INCLUDE_FROM_USB_DRIVER

+#define  __INCLUDE_FROM_USB_CONTROLLER_C

 #include "USBController.h"
 
 #if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))
 #include "USBController.h"
 
 #if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))

-volatile uint8_t USB_CurrentMode = USB_MODE_NONE;
+volatile uint8_t USB_CurrentMode = USB_MODE_None;

 #endif
 
 #if !defined(USE_STATIC_OPTIONS)
 #endif
 
 #if !defined(USE_STATIC_OPTIONS)


@@ -49,68 +50,50 @@ void USB_Init(
                #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
                void
                #endif
                #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
                void
                #endif

-                          
+

                #if !defined(USE_STATIC_OPTIONS)
                const uint8_t Options
                #endif
                )
 {
                #if !defined(USE_STATIC_OPTIONS)
                const uint8_t Options
                #endif
                )
 {

-       #if defined(USB_CAN_BE_BOTH)
-       USB_CurrentMode = Mode;
-       #endif
-

        #if !defined(USE_STATIC_OPTIONS)
        USB_Options = Options;
        #endif
 
        #if !defined(USE_STATIC_OPTIONS)
        USB_Options = Options;
        #endif
 

-       #if defined(USB_CAN_BE_HOST)
-       USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;
-       #endif
-       
-       #if defined(USB_DEVICE_ONLY) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
-       UHWCON |= (1 << UIMOD);
-       #elif defined(USB_HOST_ONLY)
-       UHWCON &= ~(1 << UIMOD);
-       #elif defined(USB_CAN_BE_BOTH)
-       if (Mode == USB_MODE_DEVICE)
-       {
-               UHWCON |=  (1 << UIMOD);
-       }
-       else if (Mode == USB_MODE_HOST)                 
+       if (!(USB_Options & USB_OPT_REG_DISABLED))
+         USB_REG_On();
+       else
+         USB_REG_Off();
+
+       #if defined(USB_CAN_BE_BOTH)
+       if (Mode == USB_MODE_UID)

        {
        {

-               UHWCON &= ~(1 << UIMOD);
+               UHWCON |= (1 << UIDE);
+               USB_INT_Enable(USB_INT_IDTI);
+               USB_CurrentMode = USB_GetUSBModeFromUID();

        }
        else
        {
        }
        else
        {

-               UHWCON |=  (1 << UIDE);
+               USB_CurrentMode = Mode;

        }
        #endif
        }
        #endif

-       
-       USB_ResetInterface();
-
-       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
-       USB_OTGPAD_On();
-       #endif

 
        USB_IsInitialized = true;
 
        USB_IsInitialized = true;

+
+       USB_ResetInterface();

 }
 
 void USB_ShutDown(void)
 {
 }
 
 void USB_ShutDown(void)
 {

-       USB_ResetInterface();
-       USB_Detach();
-       USB_Controller_Disable();
-       

        USB_INT_DisableAllInterrupts();
        USB_INT_ClearAllInterrupts();
 
        USB_INT_DisableAllInterrupts();
        USB_INT_ClearAllInterrupts();
 

-       #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
-       UHWCON &= ~(1 << UIMOD);
-       #endif
-       
+       USB_Detach();
+       USB_Controller_Disable();
+

        if (!(USB_Options & USB_OPT_MANUAL_PLL))
          USB_PLL_Off();
        if (!(USB_Options & USB_OPT_MANUAL_PLL))
          USB_PLL_Off();

-       
+

        USB_REG_Off();
 
        #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
        USB_REG_Off();
 
        #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)


@@ -118,38 +101,23 @@ void USB_ShutDown(void)
        #endif
 
        #if defined(USB_CAN_BE_BOTH)
        #endif
 
        #if defined(USB_CAN_BE_BOTH)

-       UHWCON &= ~(1 << UIDE);
+       USB_CurrentMode = USB_MODE_None;

        #endif
 
        USB_IsInitialized = false;
        #endif
 
        USB_IsInitialized = false;

-
-       #if defined(USB_CAN_BE_BOTH)
-       USB_CurrentMode = USB_MODE_NONE;
-       #endif

 }
 
 void USB_ResetInterface(void)
 {
 }
 
 void USB_ResetInterface(void)
 {

+       #if defined(USB_CAN_BE_BOTH)
+       bool UIDModeSelectEnabled = ((UHWCON & (1 << UIDE)) != 0);
+       #endif
+

        USB_INT_DisableAllInterrupts();
        USB_INT_ClearAllInterrupts();
        USB_INT_DisableAllInterrupts();
        USB_INT_ClearAllInterrupts();

-       
-       #if defined(USB_CAN_BE_HOST)
-       USB_HostState   = HOST_STATE_Unattached;
-       #endif
-       
-       #if defined(USB_CAN_BE_DEVICE)
-       USB_DeviceState = DEVICE_STATE_Unattached;
-       USB_ConfigurationNumber  = 0;

 
 

-       #if !defined(NO_DEVICE_REMOTE_WAKEUP)
-       USB_RemoteWakeupEnabled  = false;
-       #endif
-       
-       #if !defined(NO_DEVICE_SELF_POWER)
-       USB_CurrentlySelfPowered = false;
-       #endif
-       #endif
-       
+       USB_Controller_Reset();
+

        if (!(USB_Options & USB_OPT_MANUAL_PLL))
        {
                #if defined(USB_SERIES_4_AVR)
        if (!(USB_Options & USB_OPT_MANUAL_PLL))
        {
                #if defined(USB_SERIES_4_AVR)


@@ -159,103 +127,106 @@ void USB_ResetInterface(void)
                USB_PLL_On();
                while (!(USB_PLL_IsReady()));
        }
                USB_PLL_On();
                while (!(USB_PLL_IsReady()));
        }

-       
-       USB_Controller_Reset();
-       
+

        #if defined(USB_CAN_BE_BOTH)
        #if defined(USB_CAN_BE_BOTH)

-       if (UHWCON & (1 << UIDE))
+       if (UIDModeSelectEnabled)

        {
        {

-               USB_INT_Clear(USB_INT_IDTI);
+               UHWCON |= (1 << UIDE);

                USB_INT_Enable(USB_INT_IDTI);
                USB_INT_Enable(USB_INT_IDTI);

-               USB_CurrentMode = USB_GetUSBModeFromUID();

        }
        #endif
        }
        #endif

-               
-       if (!(USB_Options & USB_OPT_REG_DISABLED))
-         USB_REG_On();
-       else
-         USB_REG_Off();
-       
+

        USB_CLK_Unfreeze();
 
        USB_CLK_Unfreeze();
 

-       #if (defined(USB_CAN_BE_DEVICE) && (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)))
-       if (USB_CurrentMode == USB_MODE_DEVICE)
+       if (USB_CurrentMode == USB_MODE_Device)
+       {
+               #if defined(USB_CAN_BE_DEVICE)
+               #if (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
+               UHWCON |=  (1 << UIMOD);
+               #endif
+
+               USB_Init_Device();
+               #endif
+       }
+       else if (USB_CurrentMode == USB_MODE_Host)

        {
        {

-               if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
-                 USB_Device_SetLowSpeed();
-               else
-                 USB_Device_SetFullSpeed();
+               #if defined(USB_CAN_BE_HOST)
+               UHWCON &= ~(1 << UIMOD);
+               USB_Init_Host();
+               #endif

        }
        }

+
+       #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
+       USB_OTGPAD_On();
+       #endif
+}
+
+#if defined(USB_CAN_BE_DEVICE)
+static void USB_Init_Device(void)
+{
+       USB_DeviceState          = DEVICE_STATE_Unattached;
+       USB_ConfigurationNumber  = 0;
+
+       #if !defined(NO_DEVICE_REMOTE_WAKEUP)
+       USB_RemoteWakeupEnabled  = false;
+       #endif
+
+       #if !defined(NO_DEVICE_SELF_POWER)
+       USB_CurrentlySelfPowered = false;

        #endif
        #endif

-       
-       #if (defined(USB_CAN_BE_DEVICE) && !defined(FIXED_CONTROL_ENDPOINT_SIZE))
-       if (USB_CurrentMode == USB_MODE_DEVICE)
+
+       #if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
+       USB_Descriptor_Device_t* DeviceDescriptorPtr;
+
+       if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)

        {
        {

-               USB_Descriptor_Device_t* DeviceDescriptorPtr;
-
-               if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
-               {                 
-                       #if defined(USE_RAM_DESCRIPTORS)
-                       USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
-                       #elif defined(USE_EEPROM_DESCRIPTORS)
-                       USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
-                       #else
-                       USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
-                       #endif
-               }
+               #if defined(USE_RAM_DESCRIPTORS)
+               USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
+               #elif defined(USE_EEPROM_DESCRIPTORS)
+               USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+               #else
+               USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+               #endif

        }
        #endif
 
        }
        #endif
 

-       USB_Attach();
-       
-       #if defined(USB_DEVICE_ONLY)
-       USB_INT_Clear(USB_INT_SUSPEND);
-       USB_INT_Enable(USB_INT_SUSPEND);
-       USB_INT_Clear(USB_INT_EORSTI);
-       USB_INT_Enable(USB_INT_EORSTI);
+       #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
+       if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
+         USB_Device_SetLowSpeed();
+       else
+         USB_Device_SetFullSpeed();

 
 

-       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)

        USB_INT_Enable(USB_INT_VBUS);
        #endif
        USB_INT_Enable(USB_INT_VBUS);
        #endif

-       #elif defined(USB_HOST_ONLY)
+
+       Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
+                                                          ENDPOINT_DIR_OUT, USB_ControlEndpointSize,
+                                                          ENDPOINT_BANK_SINGLE);
+
+       USB_INT_Clear(USB_INT_SUSPI);
+       USB_INT_Enable(USB_INT_SUSPI);
+       USB_INT_Enable(USB_INT_EORSTI);
+
+       USB_Attach();
+}
+#endif
+
+#if defined(USB_CAN_BE_HOST)
+static void USB_Init_Host(void)
+{
+       USB_HostState       = HOST_STATE_Unattached;
+       USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;
+

        USB_Host_HostMode_On();
        USB_Host_HostMode_On();

-       
-       USB_Host_VBUS_Auto_Off();
-       USB_OTGPAD_Off();

 
 

+       USB_Host_VBUS_Auto_Off();

        USB_Host_VBUS_Manual_Enable();
        USB_Host_VBUS_Manual_On();
        USB_Host_VBUS_Manual_Enable();
        USB_Host_VBUS_Manual_On();

-       
+

        USB_INT_Enable(USB_INT_SRPI);
        USB_INT_Enable(USB_INT_BCERRI);
        USB_INT_Enable(USB_INT_SRPI);
        USB_INT_Enable(USB_INT_BCERRI);

-       #else
-       if (USB_CurrentMode == USB_MODE_DEVICE)
-       {
-               USB_INT_Clear(USB_INT_SUSPEND);
-               USB_INT_Enable(USB_INT_SUSPEND);
-               USB_INT_Clear(USB_INT_EORSTI);
-               USB_INT_Enable(USB_INT_EORSTI);
-
-               #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
-               USB_INT_Enable(USB_INT_VBUS);
-               #endif

 
 

-               Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
-                                          ENDPOINT_DIR_OUT, USB_ControlEndpointSize,
-                                          ENDPOINT_BANK_SINGLE);
-       }
-       else if (USB_CurrentMode == USB_MODE_HOST)
-       {
-               USB_Host_HostMode_On();
-               
-               USB_Host_VBUS_Auto_Off();
-               USB_OTGPAD_Off();
-
-               USB_Host_VBUS_Manual_Enable();
-               USB_Host_VBUS_Manual_On();
-               
-               USB_INT_Enable(USB_INT_SRPI);
-               USB_INT_Enable(USB_INT_BCERRI);
-       }
-       #endif
+       USB_Attach();

 }
 }

+#endif
+