wlyu
123 lines
3.5 KiB
C
Executable File
123 lines
3.5 KiB
C
Executable File
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file tcp_echo_socket_demo.c
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* @brief One UDP demo based on LwIP
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-05-29
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*/
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#include <transform.h>
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#include <xiuos.h>
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#include "board.h"
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#include "sys_arch.h"
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#include "udp_echo.h"
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#include "lwip/udp.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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#define UDP_TASK_STACK_SIZE 4096
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#define UDP_TASK_PRIO 15
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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/*******************************************************************************
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* Variables
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******************************************************************************/
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static struct udp_pcb *udpecho_raw_pcb;
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char udp_target[] = {192, 168, 250, 252};
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/*******************************************************************************
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* Code
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******************************************************************************/
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static void *lwip_udp_test(void* param)
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{
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ETH_BSP_Config();
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lwip_config_tcp(lwip_ipaddr, lwip_netmask, lwip_gwaddr);
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UdpEchoInit();
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}
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void lwip_udp_thread(int argc, char *argv[])
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{
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int result = 0;
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pthread_t th_id;
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pthread_attr_t attr;
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if(argc == 2)
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{
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lw_print("lw: [%s] gw %s\n", __func__, argv[1]);
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sscanf(argv[1], "%d.%d.%d.%d", &udp_target[0], &udp_target[1], &udp_target[2], &udp_target[3]);
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}
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attr.schedparam.sched_priority = UDP_TASK_PRIO;
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attr.stacksize = UDP_TASK_STACK_SIZE;
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result = pthread_create(&th_id, &attr, lwip_udp_test, NULL);
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if (0 == result) {
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lw_print("lwip_udp_test successfully!\n");
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} else {
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lw_print("lwip_udp_test failed! error code is %d\n", result);
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}
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}
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SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(3),
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UDPSend, lwip_udp_thread, UDP send echo);
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static void
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udpecho_raw_recv(void *arg, struct udp_pcb *upcb, struct pbuf *p,
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const ip_addr_t *addr, u16_t port)
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{
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LWIP_UNUSED_ARG(arg);
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if (p != NULL) {
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/* send received packet back to sender */
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udp_sendto(upcb, p, addr, port);
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/* free the pbuf */
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pbuf_free(p);
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}
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}
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void
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udpecho_raw_init(void)
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{
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udpecho_raw_pcb = udp_new_ip_type(IPADDR_TYPE_ANY);
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if (udpecho_raw_pcb != NULL) {
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err_t err;
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err = udp_bind(udpecho_raw_pcb, IP_ANY_TYPE, LOCAL_PORT_SERVER);
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if (err == ERR_OK) {
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udp_recv(udpecho_raw_pcb, udpecho_raw_recv, NULL);
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} else {
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/* abort? output diagnostic? */
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}
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} else {
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/* abort? output diagnostic? */
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}
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}
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void lwip_udp_server(void)
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{
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ETH_BSP_Config();
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lwip_config_net(lwip_ipaddr, lwip_netmask, lwip_gwaddr);
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udpecho_raw_init();
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}
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SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(0),
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UDPRecv, lwip_udp_server, UDP server echo);
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