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#include "Descriptors.h"
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/** Device descriptor structure. This descriptor, located in FLASH 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.
*/
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const USB_Descriptor_Device_t PROGMEM PAD_DeviceDescriptor =
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{
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
.USBSpecification = VERSION_BCD(1,1,0),
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.Class = USB_CSCP_VendorSpecificClass,
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.SubClass = USB_CSCP_NoDeviceSubclass,
.Protocol = USB_CSCP_NoDeviceProtocol,
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
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.VendorID = 0x2341,
.ProductID = 0x0001,
.ReleaseNumber = VERSION_BCD(2,0,0),
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.ManufacturerStrIndex = STRING_ID_Manufacturer,
.ProductStrIndex = STRING_ID_Product,
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.SerialNumStrIndex = STRING_ID_Serial,
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.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
};
/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
* of the device in one of its supported configurations, including information about any device interfaces
* 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.
*/
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const USB_Descriptor_Configuration_t PROGMEM PAD_ConfigurationDescriptor =
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{
.Config =
{
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
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.TotalInterfaces = 2,
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.ConfigurationNumber = 1,
.ConfigurationStrIndex = NO_DESCRIPTOR,
.ConfigAttributes = USB_CONFIG_ATTR_RESERVED,
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.MaxPowerConsumption = USB_CONFIG_POWER_MA(500)
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},
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.PAD_Interface_LED =
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{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
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.InterfaceNumber = INTERFACE_ID_LED,
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.AlternateSetting = 0,
.TotalEndpoints = 2,
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.Class = USB_CSCP_VendorSpecificClass,
.SubClass = 0x00,
.Protocol = 0x00,
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.InterfaceStrIndex = NO_DESCRIPTOR
},
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.PAD_OUT_LED1 =
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{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
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.EndpointAddress = PAD_OUT_EP_LED1,
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = PAD_EPSIZE,
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.PollingIntervalMS = 0x05
},
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.PAD_OUT_LED2 =
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{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
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.EndpointAddress = PAD_OUT_EP_LED2,
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
.EndpointSize = PAD_EPSIZE,
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.PollingIntervalMS = 0x05
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},
.PAD_Interface_BUTTON =
{
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
.InterfaceNumber = INTERFACE_ID_BUTTON,
.AlternateSetting = 0,
.TotalEndpoints = 2,
.Class = USB_CSCP_VendorSpecificClass,
.SubClass = 0x00,
.Protocol = 0x00,
.InterfaceStrIndex = NO_DESCRIPTOR
},
.PAD_IN_BUTTON1 =
{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
.EndpointAddress = PAD_IN_EP_BUTTON1,
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_USAGE_DATA),
.EndpointSize = PAD_EPSIZE,
.PollingIntervalMS = 0x05
},
.PAD_IN_BUTTON2 =
{
.Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
.EndpointAddress = PAD_IN_EP_BUTTON2,
.Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_USAGE_DATA),
.EndpointSize = PAD_EPSIZE,
.PollingIntervalMS = 0x05
},
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};
/** 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.
*/
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const USB_Descriptor_String_t PROGMEM PAD_LanguageString =
{
.Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
.UnicodeString = {LANGUAGE_ID_ENG}
};
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/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
* form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
* Descriptor.
*/
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const USB_Descriptor_String_t PROGMEM PAD_ManufacturerString = USB_STRING_DESCRIPTOR(L"SISPM");
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/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
* and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
* Descriptor.
*/
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const USB_Descriptor_String_t PROGMEM PAD_ProductString = USB_STRING_DESCRIPTOR(L"PAD");
/** Serial number string. This is a Unicode string containing the device's unique serial number, expressed as a
* series of uppercase hexadecimal digits.
*/
const USB_Descriptor_String_t PROGMEM PAD_SerialString = USB_STRING_DESCRIPTOR(L"00001");
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/** 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
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
* USB host.
*/
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
const uint16_t wIndex,
const void** const DescriptorAddress)
{
const uint8_t DescriptorType = (wValue >> 8);
const uint8_t DescriptorNumber = (wValue & 0xFF);
const void* Address = NULL;
uint16_t Size = NO_DESCRIPTOR;
switch (DescriptorType)
{
case DTYPE_Device:
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Address = &PAD_DeviceDescriptor;
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Size = sizeof(USB_Descriptor_Device_t);
break;
case DTYPE_Configuration:
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Address = &PAD_ConfigurationDescriptor;
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Size = sizeof(USB_Descriptor_Configuration_t);
break;
case DTYPE_String:
switch (DescriptorNumber)
{
case STRING_ID_Language:
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Address = &PAD_LanguageString;
Size = pgm_read_byte(&PAD_LanguageString.Header.Size);
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break;
case STRING_ID_Manufacturer:
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Address = &PAD_ManufacturerString;
Size = pgm_read_byte(&PAD_ManufacturerString.Header.Size);
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break;
case STRING_ID_Product:
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Address = &PAD_ProductString;
Size = pgm_read_byte(&PAD_ProductString.Header.Size);
break;
case STRING_ID_Serial:
Address = &PAD_SerialString;
Size = pgm_read_byte(&PAD_SerialString.Header.Size);
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break;
}
break;
}
*DescriptorAddress = Address;
return Size;
}
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