50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
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// Standard definitions for USB CDC devices
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#ifndef __GENERIC_USBSTD_CDC_H
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#define __GENERIC_USBSTD_CDC_H
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#define USB_CDC_SUBCLASS_ACM 0x02
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#define USB_CDC_ACM_PROTO_AT_V25TER 1
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struct usb_cdc_header_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint16_t bcdCDC;
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} PACKED;
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#define USB_CDC_HEADER_TYPE 0x00
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#define USB_CDC_ACM_TYPE 0x02
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#define USB_CDC_UNION_TYPE 0x06
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#define USB_CDC_CS_INTERFACE 0x24
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#define USB_CDC_CS_ENDPOINT 0x25
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struct usb_cdc_acm_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bmCapabilities;
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} PACKED;
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struct usb_cdc_union_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bMasterInterface0;
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uint8_t bSlaveInterface0;
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} PACKED;
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#define USB_CDC_REQ_SET_LINE_CODING 0x20
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#define USB_CDC_REQ_GET_LINE_CODING 0x21
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#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
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struct usb_cdc_line_coding {
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uint32_t dwDTERate;
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uint8_t bCharFormat;
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uint8_t bParityType;
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uint8_t bDataBits;
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} PACKED;
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#endif // usbstd_cdc.h
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