Allow serial strings to be generated on the older AVR8 devices which do not explicitl...

[pub/USBasp.git] / Bootloaders / DFU / Descriptors.c

diff --git a/Bootloaders/DFU/Descriptors.c b/Bootloaders/DFU/Descriptors.c
index 9baa889..d551590 100644 (file)
--- a/Bootloaders/DFU/Descriptors.c
+++ b/Bootloaders/DFU/Descriptors.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.

 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*

-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)

 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted


@@ -42,7 +42,7 @@
  *  number of device configurations. The descriptor is read out by the USB host when the enumeration
  *  process begins.
  */
  *  number of device configurations. The descriptor is read out by the USB host when the enumeration
  *  process begins.
  */

-USB_Descriptor_Device_t DeviceDescriptor =
+const USB_Descriptor_Device_t DeviceDescriptor =

 {
        .Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
 
 {
        .Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
 


@@ -69,7 +69,7 @@ USB_Descriptor_Device_t DeviceDescriptor =
  *  and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
  *  a configuration so that the host may correctly communicate with the USB device.
  */
  *  and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
  *  a configuration so that the host may correctly communicate with the USB device.
  */

-USB_Descriptor_Configuration_t ConfigurationDescriptor =
+const USB_Descriptor_Configuration_t ConfigurationDescriptor =

 {
        .Config =
                {
 {
        .Config =
                {


@@ -81,7 +81,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
                        .ConfigurationNumber    = 1,
                        .ConfigurationStrIndex  = NO_DESCRIPTOR,
 
                        .ConfigurationNumber    = 1,
                        .ConfigurationStrIndex  = NO_DESCRIPTOR,
 

-                       .ConfigAttributes       = USB_CONFIG_ATTR_BUSPOWERED,
+                       .ConfigAttributes       = USB_CONFIG_ATTR_RESERVED,

 
                        .MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
                },
 
                        .MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
                },


@@ -119,7 +119,7 @@ USB_Descriptor_Configuration_t ConfigurationDescriptor =
  *  the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
  *  via the language ID table available at USB.org what languages the device supports for its string descriptors.
  */
  *  the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
  *  via the language ID table available at USB.org what languages the device supports for its string descriptors.
  */

-USB_Descriptor_String_t LanguageString =
+const USB_Descriptor_String_t LanguageString =

 {
        .Header                 = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
 
 {
        .Header                 = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
 


@@ -130,7 +130,7 @@ USB_Descriptor_String_t LanguageString =
  *  and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
  *  Descriptor.
  */
  *  and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
  *  Descriptor.
  */

-USB_Descriptor_String_t ProductString =
+const USB_Descriptor_String_t ProductString =

 {
        .Header                 = {.Size = USB_STRING_LEN(18), .Type = DTYPE_String},
 
 {
        .Header                 = {.Size = USB_STRING_LEN(18), .Type = DTYPE_String},
 


@@ -147,29 +147,38 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
                                     const uint8_t wIndex,
                                     const void** const DescriptorAddress)
 {
                                     const uint8_t wIndex,
                                     const void** const DescriptorAddress)
 {

-       const uint8_t DescriptorType   = (wValue >> 8);
-       const uint8_t DescriptorNumber = (wValue & 0xFF);
+       const uint8_t  DescriptorType   = (wValue >> 8);
+       const uint8_t  DescriptorNumber = (wValue & 0xFF);

 
        const void* Address = NULL;
 
        const void* Address = NULL;

+       uint16_t    Size    = NO_DESCRIPTOR;

 
        switch (DescriptorType)
        {
                case DTYPE_Device:
                        Address = &DeviceDescriptor;
 
        switch (DescriptorType)
        {
                case DTYPE_Device:
                        Address = &DeviceDescriptor;

+                       Size    = sizeof(USB_Descriptor_Device_t);

                        break;
                case DTYPE_Configuration:
                        Address = &ConfigurationDescriptor;
                        break;
                case DTYPE_Configuration:
                        Address = &ConfigurationDescriptor;

+                       Size    = sizeof(USB_Descriptor_Configuration_t);

                        break;
                case DTYPE_String:
                        if (!(DescriptorNumber))
                        break;
                case DTYPE_String:
                        if (!(DescriptorNumber))

-                         Address = &LanguageString;
+                       {
+                               Address = &LanguageString;
+                               Size    = LanguageString.Header.Size;
+                       }

                        else
                        else

-                         Address = &ProductString;
+                       {
+                               Address = &ProductString;
+                               Size    = ProductString.Header.Size;
+                       }

 
                        break;
        }
 
        *DescriptorAddress = Address;
 
                        break;
        }
 
        *DescriptorAddress = Address;

-       return (Address != NULL) ? ((USB_Descriptor_Header_t*)Address)->Size : NO_DESCRIPTOR;
+       return Size;

 }
 
 }