69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/**************************************************************************/
|
|
/*!
|
|
@file hal_lpc11uxx.c
|
|
@author hathach (tinyusb.org)
|
|
|
|
@section LICENSE
|
|
|
|
Software License Agreement (BSD License)
|
|
|
|
Copyright (c) 2013, hathach (tinyusb.org)
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
3. Neither the name of the copyright holders nor the
|
|
names of its contributors may be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
|
|
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
|
|
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
|
|
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
This file is part of the tinyusb stack.
|
|
*/
|
|
/**************************************************************************/
|
|
|
|
#include "common/common.h"
|
|
#include "hal.h"
|
|
|
|
#if MCU == MCU_LPC11UXX
|
|
|
|
tusb_error_t hal_init(void)
|
|
{
|
|
// TODO remove magic number
|
|
/* Enable AHB clock to the USB block and USB RAM. */
|
|
LPC_SYSCON->SYSAHBCLKCTRL |= ((0x1<<14) | (0x1<<27));
|
|
|
|
/* Pull-down is needed, or internally, VBUS will be floating. This is to
|
|
address the wrong status in VBUSDebouncing bit in CmdStatus register. */
|
|
// set PIO0_3 as USB_VBUS
|
|
LPC_IOCON->PIO0_3 &= ~0x1F;
|
|
LPC_IOCON->PIO0_3 |= (0x01<<0) | (1 << 3); /* Secondary function VBUS */
|
|
|
|
// set PIO0_6 as usb connect
|
|
LPC_IOCON->PIO0_6 &= ~0x07;
|
|
LPC_IOCON->PIO0_6 |= (0x01<<0); /* Secondary function SoftConn */
|
|
|
|
return TUSB_ERROR_NONE;
|
|
}
|
|
|
|
void USB_IRQHandler(void)
|
|
{
|
|
tusb_isr(0);
|
|
}
|
|
|
|
#endif
|