/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * Change Logs: * Date Author Notes * 2015-01-07 Grissiom add comment */ #include #ifdef RT_USING_VBUS #include #include #include struct rt_vbus_ring rt_vbus_rings[2] RT_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 */