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111 lines
3.7 KiB
111 lines
3.7 KiB
#pragma once
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// IRQs: OTG_FS
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typedef union {
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uint16_t w;
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struct BW {
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uint8_t msb;
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uint8_t lsb;
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}
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bw;
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} uint16_t_uint8_t;
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typedef union _USB_Setup {
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uint32_t d8[2];
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struct _SetupPkt_Struc
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{
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uint8_t bmRequestType;
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uint8_t bRequest;
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uint16_t_uint8_t wValue;
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uint16_t_uint8_t wIndex;
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uint16_t_uint8_t wLength;
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} b;
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} USB_Setup_TypeDef;
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void usb_init(void);
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void refresh_can_tx_slots_available(void);
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// **** supporting defines ****
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#define USB_REQ_GET_STATUS 0x00
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#define USB_REQ_CLEAR_FEATURE 0x01
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#define USB_REQ_SET_FEATURE 0x03
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#define USB_REQ_SET_ADDRESS 0x05
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#define USB_REQ_GET_DESCRIPTOR 0x06
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#define USB_REQ_SET_DESCRIPTOR 0x07
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#define USB_REQ_GET_CONFIGURATION 0x08
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#define USB_REQ_SET_CONFIGURATION 0x09
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#define USB_REQ_GET_INTERFACE 0x0A
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#define USB_REQ_SET_INTERFACE 0x0B
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#define USB_REQ_SYNCH_FRAME 0x0C
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#define USB_DESC_TYPE_DEVICE 0x01
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#define USB_DESC_TYPE_CONFIGURATION 0x02
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#define USB_DESC_TYPE_STRING 0x03
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#define USB_DESC_TYPE_INTERFACE 0x04
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#define USB_DESC_TYPE_ENDPOINT 0x05
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#define USB_DESC_TYPE_DEVICE_QUALIFIER 0x06
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#define USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION 0x07
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#define USB_DESC_TYPE_BINARY_OBJECT_STORE 0x0f
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// offsets for configuration strings
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#define STRING_OFFSET_LANGID 0x00
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#define STRING_OFFSET_IMANUFACTURER 0x01
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#define STRING_OFFSET_IPRODUCT 0x02
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#define STRING_OFFSET_ISERIAL 0x03
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#define STRING_OFFSET_ICONFIGURATION 0x04
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#define STRING_OFFSET_IINTERFACE 0x05
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// WebUSB requests
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#define WEBUSB_REQ_GET_URL 0x02
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// WebUSB types
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#define WEBUSB_DESC_TYPE_URL 0x03
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#define WEBUSB_URL_SCHEME_HTTPS 0x01
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#define WEBUSB_URL_SCHEME_HTTP 0x00
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// WinUSB requests
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#define WINUSB_REQ_GET_COMPATID_DESCRIPTOR 0x04
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#define WINUSB_REQ_GET_EXT_PROPS_OS 0x05
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#define WINUSB_REQ_GET_DESCRIPTOR 0x07
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#define STS_GOUT_NAK 1
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#define STS_DATA_UPDT 2
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#define STS_XFER_COMP 3
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#define STS_SETUP_COMP 4
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#define STS_SETUP_UPDT 6
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// for the repeating interfaces
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#define DSCR_INTERFACE_LEN 9
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#define DSCR_ENDPOINT_LEN 7
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#define DSCR_CONFIG_LEN 9
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#define DSCR_DEVICE_LEN 18
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// endpoint types
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#define ENDPOINT_TYPE_CONTROL 0
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#define ENDPOINT_TYPE_ISO 1
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#define ENDPOINT_TYPE_BULK 2
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#define ENDPOINT_TYPE_INT 3
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// These are arbitrary values used in bRequest
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#define MS_VENDOR_CODE 0x20
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#define WEBUSB_VENDOR_CODE 0x30
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// BOS constants
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#define BINARY_OBJECT_STORE_DESCRIPTOR_LENGTH 0x05
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#define BINARY_OBJECT_STORE_DESCRIPTOR 0x0F
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#define WINUSB_PLATFORM_DESCRIPTOR_LENGTH 0x9E
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// Convert machine byte order to USB byte order
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#define TOUSBORDER(num)\
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((num) & 0xFFU), (((uint16_t)(num) >> 8) & 0xFFU)
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// take in string length and return the first 2 bytes of a string descriptor
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#define STRING_DESCRIPTOR_HEADER(size)\
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(((((size) * 2) + 2) & 0xFF) | 0x0300)
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#define ENDPOINT_RCV 0x80
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#define ENDPOINT_SND 0x00
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// ***************************** USB port *****************************
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void can_tx_comms_resume_usb(void);
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