71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/* -----------------------------------------------------------------------------
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* Copyright (c) 2021 ARM Ltd.
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software. Permission is granted to anyone to use this
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* software for any purpose, including commercial applications, and to alter
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* it and redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in
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* a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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*
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* $Date: 28. June 2021
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* $Revision: V1.0
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*
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* Project: USB Driver Definitions for NXP LPC55xxx
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* -------------------------------------------------------------------------- */
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#ifndef __USB_LPC55XXX_H
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#define __USB_LPC55XXX_H
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#include <stdint.h>
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// USB Device Endpoint Interrupt definitions
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#define USB_INT_EP_MSK (0x0FFFU)
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#define USB_INT_EP(ep_idx) ((1U << (ep_idx)) & USB_INT_EP_MSK)
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// USB Driver State Flags
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// Device State Flags
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#define USBD_DRIVER_FLAG_INITIALIZED (1U )
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#define USBD_DRIVER_FLAG_POWERED (1U << 1 )
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// Transfer information structure
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typedef struct {
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uint32_t max_packet_sz;
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uint32_t num;
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uint32_t num_transferred_total;
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uint32_t num_transferring;
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uint8_t *buf;
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} EP_TRANSFER;
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// Endpoint command/status
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typedef struct {
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uint32_t buff_addr_offset : 11;
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uint32_t NBytes : 15;
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uint32_t ep_type_periodic : 1;
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uint32_t toggle_value : 1;
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uint32_t toggle_reset : 1;
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uint32_t stall : 1;
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uint32_t ep_disabled : 1;
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uint32_t active : 1;
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} EP_CMD;
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// Endpoint structure
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typedef struct __EP {
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EP_CMD * const cmd;
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uint8_t * const buf;
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EP_TRANSFER * const transfer;
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uint16_t buf_offset;
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} EP;
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#endif /* __USB_LPC55XXX_H */
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