/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2015-05-14 aubrcool@qq.com first version */ #include #include #include #ifdef RT_USING_CAN #include "drv_lpccan.h" struct can_app_struct { const char* name; struct rt_can_filter_config * filter; rt_uint8_t eventopt; struct rt_semaphore sem; }; static struct can_app_struct can_data[1]; struct rt_can_filter_item filter1item[4] = { LPC_CAN_AF_STD_INIT(1), LPC_CAN_AF_STD_GRP_INIT(3,5), LPC_CAN_AF_EXT_INIT(2), LPC_CAN_AF_EXT_GRP_INIT(4,6), }; struct rt_can_filter_config filter1 = { 4, 1, filter1item, }; static struct can_app_struct can_data[1] = { { "lpccan1", &filter1, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, }, }; static rt_err_t lpccanind(rt_device_t dev, rt_size_t size) { rt_sem_release(&can_data[0].sem); } void rt_can_thread_entry(void* parameter) { struct rt_can_msg msg; struct can_app_struct* canpara = (struct can_app_struct*) parameter; rt_device_t candev; candev = rt_device_find(canpara->name); RT_ASSERT(candev); rt_sem_init(&canpara->sem, canpara->name, 0, RT_IPC_FLAG_FIFO); rt_device_open(candev, (RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_INT_TX)); rt_device_control(candev,RT_CAN_CMD_SET_FILTER,canpara->filter); rt_device_set_rx_indicate(candev, lpccanind); while(1) { rt_sem_take(&canpara->sem, RT_WAITING_FOREVER); while (rt_device_read(candev, 0, &msg, sizeof(msg)) == sizeof(msg)) { rt_device_write(candev, 0, &msg, sizeof(msg)); } } } int rt_can_app_init(void) { rt_thread_t tid; tid = rt_thread_create("canapp1", rt_can_thread_entry, &can_data[0], 512, RT_THREAD_PRIORITY_MAX /3 - 1, 20); if (tid != RT_NULL) rt_thread_startup(tid); return 0; } INIT_APP_EXPORT(rt_can_app_init); #endif /*RT_USING_CAN*/