2014-03-12 14:08:52 +07:00
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/**************************************************************************/
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/*!
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@file hal_lpc11uxx.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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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 are met:
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1. 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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2. 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 distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
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ON ANY 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 OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#include "common/common.h"
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#include "hal.h"
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#if TUSB_CFG_MCU == MCU_LPC11UXX
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tusb_error_t hal_init(void)
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{
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// TODO remove magic number
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/* Enable AHB clock to the USB block and USB RAM. */
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LPC_SYSCON->SYSAHBCLKCTRL |= ((0x1<<14) | (0x1<<27));
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LPC_SYSCON->PDRUNCFG &= ~( BIT_(8) | BIT_(10) ); // enable USB PLL & USB transceiver
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/* Pull-down is needed, or internally, VBUS will be floating. This is to
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address the wrong status in VBUSDebouncing bit in CmdStatus register. */
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// set PIO0_3 as USB_VBUS
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LPC_IOCON->PIO0_3 &= ~0x1F;
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LPC_IOCON->PIO0_3 |= (0x01<<0) | (1 << 3); /* Secondary function VBUS */
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// set PIO0_6 as usb connect
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LPC_IOCON->PIO0_6 &= ~0x07;
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LPC_IOCON->PIO0_6 |= (0x01<<0); /* Secondary function SoftConn */
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return TUSB_ERROR_NONE;
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}
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void USB_IRQHandler(void)
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{
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tusb_isr(0);
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}
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#endif
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