Tag: tftp

15. W5100S/W5500+RP2040 Raspberry Pi Pico＜TFTP Client＞

Article directory 1 Introduction 2 Introduction 2.1 What is TFTP? 2.2 Advantages of TFTP 2.3 Comparison between TFTP and FTP 2.4 TFTP application scenarios 3 WIZnet Ethernet chip 4 ARP network setting example overview and usage 4.1 Flowchart 4.2 Core preparation work 4.3 Connection method 4.4 Main code overview 4.5 Results demonstration 5 things to […]

rv1126-rv1109-TFTP burning method

Note: Press ctrl + C at boot to enter the uboot command set Because I was used to using RK’s burning tool before, in order to be compatible with the ssd202d burning method So I started to try to use ssd202d to burn. The method for SSD202D is Burn uboot Then use TFTP to burn […]

UDP based TFTP file transfer

TFTP file transfer based on UDP (client code) Code: #include <my_head.h> #define SERVER_PORT 69 #define SERVER_IP “192.168.125.91” int do_download(int client_fd, struct sockaddr_in server_in); int do_updata(int client_fd, struct sockaddr_in server_in); int main(int argc, const char *argv[]) {<!– –> //Create a report socket int client_fd = socket(AF_INET, SOCK_DGRAM, 0); if (client_fd < 0) {<!– –> ERR_MSG(“socket”); return […]

Let uboot’s tftp support the upload function

Reprint: http://blog.chinaunix.net/uid-20737871-id-2124122.html The tftp download function under uboot is a very important and common function. But occasionally some people with special needs need to use uboot’s tftp to upload. The default uboot does not have the tftp upload function, if you need to modify the uboot code. Entering the 4th parameter when using it is […]

TFTP protocol file transfer

Download model Upload model #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/stat.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/select.h> #include <sys/wait.h> #include <time.h> #include <fcntl.h> #include <pthread.h> #include <semaphore.h> #include <signal.h> #include <sys/ipc.h> #include <sys/msg.h> #include <sys/shm.h> #include <sys/sem.h> #include <errno.h> #define LOG(s) printf(“[%s] {%s:%d} %s \ “, __DATE__, __FILE__, […]

[0810 Assignment] UDP-based TFTP file transfer (download, upload)

1. Overview of tftp protocol Simple File Transfer Protocol, a set of standard protocols for file transfer on the Internet, using UDP for transmission. Features: ① is the application layer protocol ② Implementation based on UDP protocol ③ Data transmission mode octet: binary mode (commonly used) mail: no longer supported 2. tftp download model 3. […]

UDP programming – TFTP, broadcast, multicast

TFTP introduction and communication process TFTP Trivial File Transfer Protocol Originally used to boot diskless systems, designed to transfer small files features 1. Implementation based on UDP protocol 2. No user validity authentication data transfer mode 1. octet: binary mode 2. netascii: text mode 3. mail: no longer supported Summary of TFTP communication process TFTP […]

[Linux]-TFTP network capture

Directory 【TFTP】 1 Overview 2. The communication process of TFTP 3. TFTP protocol data frame analysis 3.1 Read and write request data frame 3.2 Packets 3.3 Response signal 3.4 Error message 4. TFTP protocol message with options [Packet capture tool wireshark] 1.wireshark filtering rules 1.1 IP filtering 1.2 Protocol filtering 1.3 Port filtering 1.4mac address […]

Network environment TFTP&NFS construction

Article directory 1. TFTP service construction 2. NFS environment construction Link: C/C++ Linux Server Development/Background Architect【ZeroSound Education】-Learning Video Tutorial-Tencent Classroom 1. TFTP service construction 1. To build a TFTP server on Ubuntu, you need to install tftp-hpa and tftpd-hpa. The commands are as follows: sudo apt-get install tftp-hpa tftpd-hpa sudo apt-get install xinetd 2. TFTP […]