[136] | 1 | /* ----------------------------------------------------------------------------
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| 2 | * SAM Software Package License
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| 3 | * ----------------------------------------------------------------------------
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| 4 | * Copyright (c) 2011-2012, Atmel Corporation
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| 5 | *
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| 6 | * All rights reserved.
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| 7 | *
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following condition is met:
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| 10 | *
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| 11 | * - Redistributions of source code must retain the above copyright notice,
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| 12 | * this list of conditions and the disclaimer below.
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| 13 | *
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| 14 | * Atmel's name may not be used to endorse or promote products derived from
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| 15 | * this software without specific prior written permission.
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| 16 | *
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| 17 | * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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| 20 | * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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| 23 | * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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| 24 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 25 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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| 26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | * ----------------------------------------------------------------------------
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| 28 | */
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| 29 |
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| 30 | #ifndef SAMD21_DEVICE_H_INCLUDED
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| 31 | #define SAMD21_DEVICE_H_INCLUDED
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| 32 |
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| 33 | #ifdef __cplusplus
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| 34 | extern "C" {
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| 35 | #endif
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| 36 |
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| 37 | #define EP0 0
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| 38 | #define EPX_SIZE 64// 64 for Full Speed, EPT size max is 1024
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| 39 |
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| 40 | // Force device low speed mode
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| 41 | #define udd_force_low_speed() USB->DEVICE.CTRLB.reg &= ~USB_DEVICE_CTRLB_SPDCONF_Msk; USB->DEVICE.CTRLB.reg |= USB_DEVICE_CTRLB_SPDCONF_1_Val
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| 42 | // Force full speed mode
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| 43 | #define udd_force_full_speed() USB->DEVICE.CTRLB.reg &= ~USB_DEVICE_CTRLB_SPDCONF_Msk
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| 44 |
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| 45 | // Attaches to USB bus
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| 46 | #define udd_attach_device() USB->DEVICE.CTRLB.reg &= ~USB_DEVICE_CTRLB_DETACH
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| 47 | #define udd_detach_device() USB->DEVICE.CTRLB.reg |= USB_DEVICE_CTRLB_DETACH
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| 48 |
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| 49 | // Manage reset event
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| 50 | // Set when a USB "End of Reset" has been detected
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| 51 | #define udd_enable_reset_interrupt() USB->DEVICE.INTENSET.reg = USB_DEVICE_INTENSET_EORST
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| 52 | #define udd_ack_reset() USB->DEVICE.INTFLAG.reg = USB_DEVICE_INTFLAG_EORST
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| 53 | #define Is_udd_reset() (USB->DEVICE.INTFLAG.reg & USB_DEVICE_INTFLAG_EORST)
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| 54 |
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| 55 | // Manage start of frame (SOF) event
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| 56 | #define udd_enable_sof_interrupt() USB->DEVICE.INTENSET.reg = USB_DEVICE_INTENSET_SOF
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| 57 | #define udd_ack_sof() USB->DEVICE.INTFLAG.reg = USB_DEVICE_INTFLAG_SOF
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| 58 | #define Is_udd_sof() (USB->DEVICE.INTENSET.reg & USB_DEVICE_INTENSET_SOF)
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| 59 | #define udd_frame_number() ((USB->DEVICE.FNUM.reg & USB_DEVICE_FNUM_FNUM_Msk) >> USB_DEVICE_FNUM_FNUM_Pos)
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| 60 |
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| 61 | // configures the USB device address and enable it.
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| 62 | #define udd_configure_address(address) USB->DEVICE.DADD.reg = USB_DEVICE_DADD_ADDEN | address
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| 63 |
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| 64 | // Enables SETUP received interrupt
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| 65 | #define udd_enable_setup_received_interrupt(ep) USB->DEVICE.DeviceEndpoint[ep].EPINTENSET.reg = USB_DEVICE_EPINTFLAG_RXSTP
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| 66 | // ACKs OUT received
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| 67 | #define udd_ack_out_received(ep) USB->DEVICE.DeviceEndpoint[ep].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK0RDY
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| 68 | // ACKs OUT received
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| 69 | #define udd_ack_in_received(ep) USB->DEVICE.DeviceEndpoint[ep].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_BK1RDY
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| 70 | // Is transfert completed ?
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| 71 | #define udd_is_transf_cplt(ep) (USB->DEVICE.DeviceEndpoint[ep].EPINTFLAG.reg & USB_DEVICE_EPINTFLAG_TRCPT1)
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| 72 | // Clear the transfer complete flag
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| 73 | #define udd_clear_transf_cplt(ep) USB->DEVICE.DeviceEndpoint[ep].EPINTFLAG.bit.TRCPT1 = 1
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| 74 | // Set the bank as ready
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| 75 | #define udd_bk_rdy(ep) USB->DEVICE.DeviceEndpoint[ep].EPSTATUSSET.bit.BK1RDY = 1
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| 76 | #define udd_read_endpoint_flag(ep) USB->DEVICE.DeviceEndpoint[ep].EPINTFLAG.reg
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| 77 | // Enable interrupt transfer complete
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| 78 | #define udd_ept_enable_it_transf_cplt_in(ep) USB->DEVICE.DeviceEndpoint[ep].EPINTENSET.reg = USB_DEVICE_EPINTENSET_TRCPT1
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| 79 | #define udd_ept_enable_it_transf_cplt_out(ep) USB->DEVICE.DeviceEndpoint[ep].EPINTENSET.reg = USB_DEVICE_EPINTENSET_TRCPT0
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| 80 | // Clear the stall flag
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| 81 | #define udd_clear_stall_request(ep) USB->DEVICE.DeviceEndpoint[ep].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_STALL1
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| 82 | // Remove stall
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| 83 | #define udd_remove_stall_request(ep) USB->DEVICE.DeviceEndpoint[ep].EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_STALLRQ1
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| 84 |
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| 85 | // Endpoint Interrupt Summary
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| 86 | #define udd_endpoint_interrupt() USB->DEVICE.EPINTSMRY.reg
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| 87 |
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| 88 | #define udd_clear_wakeup_interrupt() USB->DEVICE.INTENCLR.reg = USB_DEVICE_INTENCLR_WAKEUP
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| 89 | #define udd_clear_eorsm_interrupt() USB->DEVICE.INTENCLR.reg = USB_DEVICE_INTENCLR_EORSM
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| 90 | #define udd_clear_suspend_interrupt() USB->DEVICE.INTENCLR.reg = USB_DEVICE_INTENCLR_SUSPEND
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| 91 |
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| 92 |
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| 93 |
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| 94 | // Force device mode
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| 95 | #define udd_force_device_mode() USB->DEVICE.CTRLA.reg &= ~USB_CTRLA_MODE
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| 96 | // Run in Standby
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| 97 | #define udd_device_run_in_standby() USB->DEVICE.CTRLA.reg |= USB_CTRLA_RUNSTDBY
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| 98 | // Force host mode
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| 99 | #define udd_force_host_mode() USB->DEVICE.CTRLA.reg |= USB_CTRLA_MODE
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| 100 |
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| 101 |
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| 102 | // Enable USB macro
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| 103 | #define udd_enable() USB->DEVICE.CTRLA.reg |= USB_CTRLA_ENABLE
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| 104 | // Disable USB macro
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| 105 | #define udd_disable() USB->DEVICE.CTRLA.reg &= ~USB_CTRLA_ENABLE
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| 106 |
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| 107 | #ifdef __cplusplus
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| 108 | }
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| 109 | #endif
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| 110 |
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| 111 | #endif /* SAMD21_DEVICE_H_INCLUDED */
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| 112 |
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