83 lines
3.2 KiB
C
83 lines
3.2 KiB
C
/**************************************************************************/
|
|
/*!
|
|
@file hal_lpc175x_6x.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 "tusb_option.h"
|
|
|
|
#if MCU == MCU_LPC175X_6X
|
|
|
|
//--------------------------------------------------------------------+
|
|
// INCLUDE
|
|
//--------------------------------------------------------------------+
|
|
#include "common/common.h"
|
|
#include "hal.h"
|
|
|
|
//--------------------------------------------------------------------+
|
|
// IMPLEMENTATION
|
|
//--------------------------------------------------------------------+
|
|
tusb_error_t hal_init(void)
|
|
{
|
|
//------------- user manual 11.13 usb device controller initialization -------------//
|
|
// TODO remove magic number
|
|
/* Enable AHB clock to the USB block and USB RAM. */
|
|
// LPC_SYSCON->SYSAHBCLKCTRL |= ((0x1<<14) | (0x1<<27));
|
|
|
|
LPC_PINCON->PINSEL1 &= ~((3<<26)|(3<<28)); /* P0.29 D+, P0.30 D- */
|
|
LPC_PINCON->PINSEL1 |= ((1<<26)|(1<<28)); /* PINSEL1 26.27, 28.29 = 01 */
|
|
|
|
// LPC_PINCON->PINSEL3 &= ~(3<<6); TODO HOST
|
|
// LPC_PINCON->PINSEL3 |= (2<<6);
|
|
|
|
LPC_SC->PCONP |= CLKPWR_PCONP_PCUSB; /* USB PCLK -> enable USB Per.*/
|
|
|
|
// DEVICE mode
|
|
LPC_USB->USBClkCtrl = 0x12; /* Dev, PortSel, AHB clock enable */
|
|
while ((LPC_USB->USBClkSt & 0x12) != 0x12);
|
|
|
|
/* Pull-down is needed, or internally, VBUS will be floating. This is to
|
|
address the wrong status in VBUSDebouncing bit in CmdStatus register. */
|
|
|
|
return TUSB_ERROR_NONE;
|
|
}
|
|
|
|
void USB_IRQHandler(void)
|
|
{
|
|
tusb_isr(0);
|
|
}
|
|
|
|
#endif
|