📄 usb.h
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#define USB_DEV_RX_DATA_ERROR 0x00080000 // CRC error on the data
#define USB_DEV_RX_OVERRUN 0x00040000 // OUT packet was not loaded due to
// a full FIFO
#define USB_DEV_RX_FIFO_FULL 0x00020000 // RX FIFO full
#define USB_DEV_RX_PKT_RDY 0x00010000 // Data packet ready
#define USB_DEV_TX_NOT_COMP 0x00000080 // Large packet split up, more data
// to come
#define USB_DEV_TX_SENT_STALL 0x00000020 // Stall was sent on this endpoint
#define USB_DEV_TX_UNDERRUN 0x00000004 // IN received with no data ready
#define USB_DEV_TX_FIFO_NE 0x00000002 // The TX FIFO is not empty
#define USB_DEV_TX_TXPKTRDY 0x00000001 // Transmit still being transmitted
#define USB_DEV_EP0_SETUP_END 0x00000010 // Control transaction ended before
// Data End seen
#define USB_DEV_EP0_SENT_STALL 0x00000004 // Stall was sent on this endpoint
#define USB_DEV_EP0_IN_PKTPEND 0x00000002 // Transmit data packet pending
#define USB_DEV_EP0_OUT_PKTRDY 0x00000001 // Receive data packet ready
//*****************************************************************************
//
// The following are values that can be passed to USBHostEndpointConfig() and
// USBDevEndpointConfigSet() as the ulFlags parameter.
//
//*****************************************************************************
#define USB_EP_AUTO_SET 0x00000001 // Auto set feature enabled
#define USB_EP_AUTO_REQUEST 0x00000002 // Auto request feature enabled
#define USB_EP_AUTO_CLEAR 0x00000004 // Auto clear feature enabled
#define USB_EP_DMA_MODE_0 0x00000008 // Enable DMA access using mode 0
#define USB_EP_DMA_MODE_1 0x00000010 // Enable DMA access using mode 1
#define USB_EP_MODE_ISOC 0x00000000 // Isochronous endpoint
#define USB_EP_MODE_BULK 0x00000100 // Bulk endpoint
#define USB_EP_MODE_INT 0x00000200 // Interrupt endpoint
#define USB_EP_MODE_CTRL 0x00000300 // Control endpoint
#define USB_EP_MODE_MASK 0x00000300 // Mode Mask
#define USB_EP_SPEED_LOW 0x00000000 // Low Speed
#define USB_EP_SPEED_FULL 0x00001000 // Full Speed
#define USB_EP_HOST_EP0 0x00002000 // Host endpoint 0
#define USB_EP_HOST_IN 0x00001000 // Host IN endpoint
#define USB_EP_HOST_OUT 0x00002000 // Host OUT endpoint
#define USB_EP_DEV_EP0 0x00002000 // Device endpoint 0
#define USB_EP_DEV_IN 0x00002000 // Device IN endpoint
#define USB_EP_DEV_OUT 0x00001000 // Device OUT endpoint
//*****************************************************************************
//
// The following are values that can be passed to USBHostPwrFaultConfig() as
// the ulFlags parameter.
//
//*****************************************************************************
#define USB_HOST_PWRFLT_LOW 0x00000010
#define USB_HOST_PWRFLT_HIGH 0x00000030
#define USB_HOST_PWRFLT_EP_NONE 0x00000000
#define USB_HOST_PWRFLT_EP_TRI 0x00000140
#define USB_HOST_PWRFLT_EP_LOW 0x00000240
#define USB_HOST_PWRFLT_EP_HIGH 0x00000340
#define USB_HOST_PWREN_LOW 0x00000000
#define USB_HOST_PWREN_HIGH 0x00000001
#define USB_HOST_PWREN_VBLOW 0x00000002
#define USB_HOST_PWREN_VBHIGH 0x00000003
//*****************************************************************************
//
// The following are special values that can be passed to
// USBHostEndpointConfig() as the ulNAKPollInterval parameter.
//
//*****************************************************************************
#define MAX_NAK_LIMIT 31 // Maximum NAK interval
#define DISABLE_NAK_LIMIT 0 // No NAK timeouts
//*****************************************************************************
//
// This value specifies the maximum size of transfers on endpoint 0 as 64
// bytes. This value is fixed in hardware as the FIFO size for endpoint 0.
//
//*****************************************************************************
#define MAX_PACKET_SIZE_EP0 64
//*****************************************************************************
//
// These values are used to indicate which endpoint to access.
//
//*****************************************************************************
#define USB_EP_0 0x00000000 // Endpoint 0
#define USB_EP_1 0x00000010 // Endpoint 1
#define USB_EP_2 0x00000020 // Endpoint 2
#define USB_EP_3 0x00000030 // Endpoint 3
#define USB_EP_4 0x00000040 // Endpoint 4
#define USB_EP_5 0x00000050 // Endpoint 5
#define USB_EP_6 0x00000060 // Endpoint 6
#define USB_EP_7 0x00000070 // Endpoint 7
#define USB_EP_8 0x00000080 // Endpoint 8
#define USB_EP_9 0x00000090 // Endpoint 9
#define USB_EP_10 0x000000A0 // Endpoint 10
#define USB_EP_11 0x000000B0 // Endpoint 11
#define USB_EP_12 0x000000C0 // Endpoint 12
#define USB_EP_13 0x000000D0 // Endpoint 13
#define USB_EP_14 0x000000E0 // Endpoint 14
#define USB_EP_15 0x000000F0 // Endpoint 15
#define NUM_USB_EP 16 // Number of supported endpoints
//*****************************************************************************
//
// These macros allow conversion between 0-based endpoint indices and the
// USB_EP_x values required when calling various USB APIs.
//
//*****************************************************************************
#define INDEX_TO_USB_EP(x) ((x) << 4)
#define USB_EP_TO_INDEX(x) ((x) >> 4)
//*****************************************************************************
//
// The following are values that can be passed to USBFIFOConfigSet() as the
// ulFIFOSize parameter.
//
//*****************************************************************************
#define USB_FIFO_SZ_8 0x00000000 // 8 byte FIFO
#define USB_FIFO_SZ_16 0x00000001 // 16 byte FIFO
#define USB_FIFO_SZ_32 0x00000002 // 32 byte FIFO
#define USB_FIFO_SZ_64 0x00000003 // 64 byte FIFO
#define USB_FIFO_SZ_128 0x00000004 // 128 byte FIFO
#define USB_FIFO_SZ_256 0x00000005 // 256 byte FIFO
#define USB_FIFO_SZ_512 0x00000006 // 512 byte FIFO
#define USB_FIFO_SZ_1024 0x00000007 // 1024 byte FIFO
#define USB_FIFO_SZ_2048 0x00000008 // 2048 byte FIFO
#define USB_FIFO_SZ_4096 0x00000009 // 4096 byte FIFO
#define USB_FIFO_SZ_8_DB 0x00000010 // 8 byte double buffered FIFO
// (occupying 16 bytes)
#define USB_FIFO_SZ_16_DB 0x00000011 // 16 byte double buffered FIFO
// (occupying 32 bytes)
#define USB_FIFO_SZ_32_DB 0x00000012 // 32 byte double buffered FIFO
// (occupying 64 bytes)
#define USB_FIFO_SZ_64_DB 0x00000013 // 64 byte double buffered FIFO
// (occupying 128 bytes)
#define USB_FIFO_SZ_128_DB 0x00000014 // 128 byte double buffered FIFO
// (occupying 256 bytes)
#define USB_FIFO_SZ_256_DB 0x00000015 // 256 byte double buffered FIFO
// (occupying 512 bytes)
#define USB_FIFO_SZ_512_DB 0x00000016 // 512 byte double buffered FIFO
// (occupying 1024 bytes)
#define USB_FIFO_SZ_1024_DB 0x00000017 // 1024 byte double buffered FIFO
// (occupying 2048 bytes)
#define USB_FIFO_SZ_2048_DB 0x00000018 // 2048 byte double buffered FIFO
// (occupying 4096 bytes)
//*****************************************************************************
//
// This macro allow conversion from a FIFO size label as defined above to
// a number of bytes
//
//*****************************************************************************
#define USB_FIFO_SIZE_DB_FLAG 0x00000010
#define USB_FIFO_SZ_TO_BYTES(x) ((8 << ((x) & ~ USB_FIFO_SIZE_DB_FLAG)) * \
(((x) & USB_FIFO_SIZE_DB_FLAG) ? 2 : 1))
//*****************************************************************************
//
// The following are values that can be passed to USBEndpointDataSend() as the
// ulTransType parameter.
//
//*****************************************************************************
#define USB_TRANS_OUT 0x00000102 // Normal OUT transaction
#define USB_TRANS_IN 0x00000102 // Normal IN transaction
#define USB_TRANS_IN_LAST 0x0000010a // Final IN transaction (for
// endpoint 0 in device mode)
#define USB_TRANS_SETUP 0x0000110a // Setup transaction (for endpoint
// 0)
#define USB_TRANS_STATUS 0x00000142 // Status transaction (for endpoint
// 0)
//*****************************************************************************
//
// The following are values are returned by the USBModeGet function.
//
//*****************************************************************************
#define USB_DUAL_MODE_HOST 0x00000001 // Dual mode controller is in Host
// mode.
#define USB_DUAL_MODE_DEVICE 0x00000081 // Dual mode controller is in
// Device mode.
#define USB_DUAL_MODE_NONE 0x00000080 // Dual mode controller mode is not
// set.
#define USB_OTG_MODE_ASIDE_HOST 0x0000001d // OTG controller on the A side of
// the cable.
#define USB_OTG_MODE_ASIDE_NPWR 0x00000001 // OTG controller on the A side of
// the cable.
#define USB_OTG_MODE_ASIDE_DEV 0x00000019 // OTG controller on the A side of
// the cable.
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