ch395udp数据收发问题

只看该作者 · 2024-10-18 10:28

楼主基于freertos想实现udp连接，基于demo添加了一些中断处理的代码，能够ping通，但是用网络调试助手发数据后用wireshark抓包发现主机给ch395发送udp包没问题，ch395接收电脑出现icmp端口不可达错误，我已经关闭防火墙并确定ip等信息无误，请求帮忙！

只看该作者 · 2024-10-18 10:33

void ch395_task()
8 uint8_t ch395_recv_buf[1024];
uint8_t ch395_send_buf[]={"he11o this is ch395"}; CH395Q_SPI_Init();
ch395q_hardware_init(); ch395q_udp_init();
// FlagStatus Init_PIN;
uint8_t phy_change_status=ch395_cmd_get_phy_status(); printk("phy_change_status=%d\r\n",phy_change_status);
for(:;)
vTaskDelay(1000); if(CH395count>0){
uint16_t 1en = ch395_get_recv_1ength(socket_0); ch395_get_recv_data(socket_0,1en,ch395_recv_buf); for(uint8_t i=0;i<1en;i++)
printk("ch395_recv_buf[%d]=%d\r\n",i,ch395_recv_buf[i]);

uint8_t send_socket_status[2];
ch395_cmd_get_socket_status(socket_0,send_socket_status);
printk("ch395_cmd_get_socket_status=%x\r\n",send_socket_status[0]); ch395_send_data(socket_0,ch395_send_buf, strlen(ch395_send_buf)); CH395count--;}
提取文字的效果不太好