USB_ConfigurationDescriptor_TypeDef Struct Reference
USB Configuration Descriptor.
#include <em_usb.h>
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uint8_t | bLength |
Size of this descriptor in bytes
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uint8_t | bDescriptorType |
Constant CONFIGURATION Descriptor Type
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uint16_t | wTotalLength |
Total length of data returned for this configuration.
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uint8_t | bNumInterfaces |
Number of interfaces supported by this configuration
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uint8_t | bConfigurationValue |
Value to use as an argument to the SetConfiguration request to select this configuration.
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uint8_t | iConfiguration |
Index of string descriptor describing this configuration.
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uint8_t | bmAttributes |
Configuration characteristics.
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uint8_t | bMaxPower |
Maximum power consumption of the USB device, unit is 2mA per LSB
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USB Configuration Descriptor.
Field Documentation
◆ bLength
uint8_t USB_ConfigurationDescriptor_TypeDef::bLength |
Size of this descriptor in bytes
◆ bDescriptorType
uint8_t USB_ConfigurationDescriptor_TypeDef::bDescriptorType |
Constant CONFIGURATION Descriptor Type
◆ wTotalLength
uint16_t USB_ConfigurationDescriptor_TypeDef::wTotalLength |
Total length of data returned for this configuration.
Includes the combined length of all descriptors (configuration, interface, endpoint, and class- or vendor-specific) returned for this configuration.
◆ bNumInterfaces
uint8_t USB_ConfigurationDescriptor_TypeDef::bNumInterfaces |
Number of interfaces supported by this configuration
◆ bConfigurationValue
uint8_t USB_ConfigurationDescriptor_TypeDef::bConfigurationValue |
Value to use as an argument to the SetConfiguration request to select this configuration.
◆ iConfiguration
uint8_t USB_ConfigurationDescriptor_TypeDef::iConfiguration |
Index of string descriptor describing this configuration.
◆ bmAttributes
uint8_t USB_ConfigurationDescriptor_TypeDef::bmAttributes |
Configuration characteristics.
D7: Reserved (set to one)
D6: Self-powered
D5: Remote Wakeup
D4...0: Reserved (reset to zero)
◆ bMaxPower
uint8_t USB_ConfigurationDescriptor_TypeDef::bMaxPower |
Maximum power consumption of the USB device, unit is 2mA per LSB