CI: Build on Arch (bleeding-ege) and Ubuntu (stable) AVR-GCC toolchains.

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

diff --git a/Bootloaders/MassStorage/Descriptors.c b/Bootloaders/MassStorage/Descriptors.c
index 4de1207..654fada 100644 (file)
--- a/Bootloaders/MassStorage/Descriptors.c
+++ b/Bootloaders/MassStorage/Descriptors.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2013.
+     Copyright (C) Dean Camera, 2018.

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

-  Copyright 2013  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2018  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


@@ -38,7 +38,7 @@
 #include "Descriptors.h"
 
 
 #include "Descriptors.h"
 
 

-/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
+/** Device descriptor structure. This descriptor, located in SRAM memory, describes the overall

  *  device characteristics, including the supported USB version, control endpoint size and the
  *  number of device configurations. The descriptor is read out by the USB host when the enumeration
  *  process begins.
  *  device characteristics, including the supported USB version, control endpoint size and the
  *  number of device configurations. The descriptor is read out by the USB host when the enumeration
  *  process begins.


@@ -47,7 +47,7 @@ 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},
 

-       .USBSpecification       = VERSION_BCD(01.10),
+       .USBSpecification       = VERSION_BCD(1,1,0),

        .Class                  = USB_CSCP_NoDeviceClass,
        .SubClass               = USB_CSCP_NoDeviceSubclass,
        .Protocol               = USB_CSCP_NoDeviceProtocol,
        .Class                  = USB_CSCP_NoDeviceClass,
        .SubClass               = USB_CSCP_NoDeviceSubclass,
        .Protocol               = USB_CSCP_NoDeviceProtocol,


@@ -56,11 +56,11 @@ const USB_Descriptor_Device_t DeviceDescriptor =
 
        .VendorID               = 0x03EB,
        .ProductID              = 0x2045,
 
        .VendorID               = 0x03EB,
        .ProductID              = 0x2045,

-       .ReleaseNumber          = VERSION_BCD(00.01),
+       .ReleaseNumber          = VERSION_BCD(0,0,1),

 
        .ManufacturerStrIndex   = NO_DESCRIPTOR,
        .ProductStrIndex        = NO_DESCRIPTOR,
 
        .ManufacturerStrIndex   = NO_DESCRIPTOR,
        .ProductStrIndex        = NO_DESCRIPTOR,

-       .SerialNumStrIndex      = USE_INTERNAL_SERIAL,
+       .SerialNumStrIndex      = NO_DESCRIPTOR,

 
        .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
 };
 
        .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
 };


@@ -91,7 +91,7 @@ const USB_Descriptor_Configuration_t ConfigurationDescriptor =
                {
                        .Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
 
                {
                        .Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
 

-                       .InterfaceNumber        = 0,
+                       .InterfaceNumber        = INTERFACE_ID_MassStorage,

                        .AlternateSetting       = 0,
 
                        .TotalEndpoints         = 2,
                        .AlternateSetting       = 0,
 
                        .TotalEndpoints         = 2,


@@ -124,17 +124,6 @@ const USB_Descriptor_Configuration_t ConfigurationDescriptor =
                }
 };
 
                }
 };
 

-/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
- *  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.
- */
-const USB_Descriptor_String_t LanguageString =
-{
-       .Header                 = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
-
-       .UnicodeString          = {LANGUAGE_ID_ENG}
-};
-

 /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
  *  documentation) by the application code so that the address and size of a requested descriptor can be given
  *  to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
 /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
  *  documentation) by the application code so that the address and size of a requested descriptor can be given
  *  to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function


@@ -142,33 +131,24 @@ const USB_Descriptor_String_t LanguageString =
  *  USB host.
  */
 uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
  *  USB host.
  */
 uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,

-                                    const uint8_t wIndex,
+                                    const uint16_t wIndex,

                                     const void** const DescriptorAddress)
 {
                                     const void** const DescriptorAddress)
 {

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

 
        const void* Address = NULL;
        uint16_t    Size    = NO_DESCRIPTOR;
 
 
        const void* Address = NULL;
        uint16_t    Size    = NO_DESCRIPTOR;
 

-       switch (DescriptorType)
+       /* If/Else If chain compiles slightly smaller than a switch case */
+       if (DescriptorType == DTYPE_Device)
+       {
+               Address = &DeviceDescriptor;
+               Size    = sizeof(USB_Descriptor_Device_t);
+       }
+       else if (DescriptorType == DTYPE_Configuration)

        {
        {

-               case DTYPE_Device:
-                       Address = &DeviceDescriptor;
-                       Size    = sizeof(USB_Descriptor_Device_t);
-                       break;
-               case DTYPE_Configuration:
-                       Address = &ConfigurationDescriptor;
-                       Size    = sizeof(USB_Descriptor_Configuration_t);
-                       break;
-               case DTYPE_String:
-                       if (!(DescriptorNumber))
-                       {
-                                       Address = &LanguageString;
-                                       Size    = pgm_read_byte(&LanguageString.Header.Size);
-                       }
-
-                       break;
+               Address = &ConfigurationDescriptor;
+               Size    = sizeof(USB_Descriptor_Configuration_t);

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