121 lines
4.2 KiB
C
121 lines
4.2 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 "common/tusb_common.h"
|
|
#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X
|
|
#include "hal_usb.h"
|
|
|
|
|
|
void tusb_hal_int_enable(uint8_t rhport)
|
|
{
|
|
(void) rhport; // discard compiler's warning
|
|
NVIC_EnableIRQ(USB_IRQn);
|
|
}
|
|
|
|
void tusb_hal_int_disable(uint8_t rhport)
|
|
{
|
|
(void) rhport; // discard compiler's warning
|
|
NVIC_DisableIRQ(USB_IRQn);
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// IMPLEMENTATION
|
|
//--------------------------------------------------------------------+
|
|
bool tusb_hal_init(void)
|
|
{
|
|
enum {
|
|
USBCLK_DEVCIE = 0x12, // AHB + Device
|
|
USBCLK_HOST = 0x19, // AHB + Host + OTG (!)
|
|
|
|
PCONP_PCUSB = BIT_(31)
|
|
};
|
|
|
|
LPC_SC->PCONP |= PCONP_PCUSB; // enable USB Peripherals
|
|
|
|
//------------- user manual 11.13 usb device controller initialization -------------//
|
|
PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 0, .Pinnum = 29, .Funcnum = 1} ); // P0.29 as D+
|
|
PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 0, .Pinnum = 30, .Funcnum = 1} ); // P0.30 as D-
|
|
|
|
#if MODE_HOST_SUPPORTED
|
|
PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 1, .Pinnum = 22, .Funcnum = 2} ); // P1.22 as USB_PWRD
|
|
PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 1, .Pinnum = 19, .Funcnum = 2} ); // P1.19 as USB_PPWR
|
|
|
|
LPC_USB->USBClkCtrl = USBCLK_HOST;
|
|
while ((LPC_USB->USBClkSt & USBCLK_HOST) != USBCLK_HOST);
|
|
LPC_USB->OTGStCtrl = 0x3;
|
|
#endif
|
|
|
|
#if MODE_DEVICE_SUPPORTED
|
|
LPC_PINCON->PINSEL4 = bit_set_range(LPC_PINCON->PINSEL4, 18, 19, BIN8(01)); // P2_9 as USB Connect
|
|
|
|
// P1_30 as VBUS, ignore if it is already in VBUS mode
|
|
if ( !(!BIT_TEST_(LPC_PINCON->PINSEL3, 28) && BIT_TEST_(LPC_PINCON->PINSEL3, 29)) )
|
|
{
|
|
// some board like lpcxpresso1769 does not connect VBUS signal to pin P1_30, this allow those board to overwrite
|
|
// by always pulling P1_30 to high
|
|
PINSEL_ConfigPin( &(PINSEL_CFG_Type) {
|
|
.Portnum = 1, .Pinnum = 30,
|
|
.Funcnum = 2, .Pinmode = PINSEL_PINMODE_PULLDOWN} );
|
|
}
|
|
|
|
LPC_USB->USBClkCtrl = USBCLK_DEVCIE;
|
|
while ((LPC_USB->USBClkSt & USBCLK_DEVCIE) != USBCLK_DEVCIE);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
void USB_IRQHandler(void)
|
|
{
|
|
#if MODE_HOST_SUPPORTED
|
|
hal_hcd_isr(0);
|
|
#endif
|
|
|
|
#if MODE_DEVICE_SUPPORTED
|
|
hal_dcd_isr(0);
|
|
#endif
|
|
}
|
|
|
|
void check_failed(uint8_t *file, uint32_t line)
|
|
{
|
|
(void) file;
|
|
(void) line;
|
|
}
|
|
|
|
#endif
|