87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/*
|
|
* VMM Bus Driver
|
|
*
|
|
* COPYRIGHT (C) 2015, Shanghai Real-Thread Technology Co., Ltd
|
|
* http://www.rt-thread.com
|
|
*
|
|
* This file is part of RT-Thread (http://www.rt-thread.org)
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2015-01-07 Grissiom add comment
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
|
|
#ifdef RT_USING_VBUS
|
|
#include <rtdevice.h>
|
|
#include <vbus.h>
|
|
#include <board.h>
|
|
|
|
struct rt_vbus_ring rt_vbus_rings[2] SECTION("vbus_ring");
|
|
|
|
int rt_vbus_do_init(void)
|
|
{
|
|
return rt_vbus_init(&rt_vbus_rings[1], &rt_vbus_rings[0]);
|
|
}
|
|
INIT_COMPONENT_EXPORT(rt_vbus_do_init);
|
|
|
|
int rt_vbus_hw_init(void)
|
|
{
|
|
NVIC_ClearPendingIRQ(M0_M4CORE_IRQn);
|
|
NVIC_EnableIRQ(M0_M4CORE_IRQn);
|
|
return 0;
|
|
}
|
|
|
|
void M4CORE_IRQHandler(void)
|
|
{
|
|
LPC_CREG->M4TXEVENT = 0;
|
|
rt_vbus_isr(M0_M4CORE_IRQn, RT_NULL);
|
|
}
|
|
|
|
int rt_vbus_hw_eoi(int irqnr, void *param)
|
|
{
|
|
/* Nothing to do here as we cleared the interrupt in IRQHandler. */
|
|
return 0;
|
|
}
|
|
|
|
struct rt_vbus_dev rt_vbus_chn_devx[] = {
|
|
{
|
|
.req =
|
|
{
|
|
.prio = 30,
|
|
.name = "vecho",
|
|
.is_server = 0,
|
|
.recv_wm.low = RT_VMM_RB_BLK_NR / 3,
|
|
.recv_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
|
|
.post_wm.low = RT_VMM_RB_BLK_NR / 3,
|
|
.post_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
|
|
}
|
|
},
|
|
{
|
|
.req =
|
|
{
|
|
.name = RT_NULL,
|
|
}
|
|
},
|
|
};
|
|
|
|
#endif /* RT_USING_VBUS */
|
|
|