164 lines
5.5 KiB
C
164 lines
5.5 KiB
C
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//###########################################################################
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//
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// FILE: usb_hal.c
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//
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// TITLE: Wrapper for interrupt functions and USB support pins.
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//
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//###########################################################################
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// $TI Release: F2837xD Support Library v3.05.00.00 $
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// $Release Date: Tue Jun 26 03:15:23 CDT 2018 $
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// $Copyright:
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// Copyright (C) 2013-2018 Texas Instruments Incorporated - http://www.ti.com/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// $
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//###########################################################################
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#include "F2837xD_device.h"
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#include "F2837xD_Examples.h"
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#include "inc/hw_types.h"
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#include "inc/hw_memmap.h"
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#include "inc/hw_usb.h"
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#include "usb_hal.h"
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#include "usb.h"
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#include "include/usblib.h"
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#include "include/usblibpriv.h"
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#include "include/device/usbdevice.h"
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#include "include/host/usbhost.h"
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#include "include/host/usbhostpriv.h"
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#include "include/usblibpriv.h"
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//*****************************************************************************
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//
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//! \addtogroup c2000_specific
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//! @{
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//
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//*****************************************************************************
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//*****************************************************************************
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//
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//! Enables USB related GPIOs to perform their USB function.
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//
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//*****************************************************************************
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void USBGPIOEnable(void)
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{
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EALLOW;
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GpioCtrlRegs.GPBLOCK.all = 0x00000000;
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GpioCtrlRegs.GPBAMSEL.bit.GPIO42 = 1;
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GpioCtrlRegs.GPBAMSEL.bit.GPIO43 = 1;
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//VBUS
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GpioCtrlRegs.GPBDIR.bit.GPIO46 = 0;
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//ID
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GpioCtrlRegs.GPBDIR.bit.GPIO47 = 0;
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GpioCtrlRegs.GPDGMUX2.bit.GPIO120 = 3;
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GpioCtrlRegs.GPDMUX2.bit.GPIO120 = 3;
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GpioCtrlRegs.GPDGMUX2.bit.GPIO121 = 3;
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GpioCtrlRegs.GPDMUX2.bit.GPIO121 = 3;
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EDIS;
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}
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//*****************************************************************************
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//
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//! Disables USB related GPIOs from performing their USB function.
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//
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//*****************************************************************************
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void USBGPIODisable(void)
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{
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EALLOW;
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GpioCtrlRegs.GPBLOCK.all = 0x00000000;
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GpioCtrlRegs.GPBAMSEL.bit.GPIO42 = 0;
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GpioCtrlRegs.GPBAMSEL.bit.GPIO43 = 0;
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GpioCtrlRegs.GPDGMUX2.bit.GPIO120 = 0;
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GpioCtrlRegs.GPDMUX2.bit.GPIO120 = 0;
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GpioCtrlRegs.GPDGMUX2.bit.GPIO121 = 0;
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GpioCtrlRegs.GPDMUX2.bit.GPIO121 = 0;
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EDIS;
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}
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//*****************************************************************************
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//
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//! Wrapper function to implement mS based delay for USB functions
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//
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//*****************************************************************************
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void USBDelay(uint32_t ui32Delay)
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{
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DELAY_US(ui32Delay*1000);
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}
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//*****************************************************************************
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//
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//! Device interrupt service routine wrapper to make ISR compatible with
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//! C2000 PIE controller.
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//
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//*****************************************************************************
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__interrupt void
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f28x_USB0DeviceIntHandler(void)
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{
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USB0DeviceIntHandler();
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PieCtrlRegs.PIEACK.all |= 0x0100;
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}
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//*****************************************************************************
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//
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//! Host interrupt service routine wrapper to make ISR compatible with
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//! C2000 PIE controller.
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//
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//*****************************************************************************
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__interrupt void
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f28x_USB0HostIntHandler(void)
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{
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USB0HostIntHandler();
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PieCtrlRegs.PIEACK.all |= 0x0100;
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}
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//*****************************************************************************
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//
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//! Dual mode interrupt service routine wrapper to make ISR compatible with
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//! C2000 PIE controller.
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//
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//*****************************************************************************
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__interrupt void
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f28x_USB0DualModeIntHandler(void)
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{
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USB0DualModeIntHandler();
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PieCtrlRegs.PIEACK.all |= 0x0100;
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}
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//*****************************************************************************
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//
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// Close the c2000_specific Doxygen group.
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//! @}
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//
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//*****************************************************************************
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