68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2015-01-07 Grissiom add comment
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*/
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#include <rtthread.h>
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#ifdef RT_USING_VBUS
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#include <rtdevice.h>
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#include <vbus.h>
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#include <board.h>
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struct rt_vbus_ring rt_vbus_rings[2] RT_SECTION("vbus_ring");
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int rt_vbus_do_init(void)
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{
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return rt_vbus_init(&rt_vbus_rings[1], &rt_vbus_rings[0]);
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}
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INIT_COMPONENT_EXPORT(rt_vbus_do_init);
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int rt_vbus_hw_init(void)
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{
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NVIC_ClearPendingIRQ(M0_M4CORE_IRQn);
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NVIC_EnableIRQ(M0_M4CORE_IRQn);
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return 0;
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}
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void M4CORE_IRQHandler(void)
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{
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LPC_CREG->M4TXEVENT = 0;
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rt_vbus_isr(M0_M4CORE_IRQn, RT_NULL);
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}
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int rt_vbus_hw_eoi(int irqnr, void *param)
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{
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/* Nothing to do here as we cleared the interrupt in IRQHandler. */
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return 0;
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}
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struct rt_vbus_dev rt_vbus_chn_devx[] = {
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{
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.req =
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{
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.prio = 30,
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.name = "vecho",
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.is_server = 0,
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.recv_wm.low = RT_VMM_RB_BLK_NR / 3,
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.recv_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
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.post_wm.low = RT_VMM_RB_BLK_NR / 3,
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.post_wm.high = RT_VMM_RB_BLK_NR * 2 / 3,
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}
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},
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{
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.req =
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{
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.name = RT_NULL,
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}
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},
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};
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#endif /* RT_USING_VBUS */
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