Buildroot for LoShark

Version: 2023.02.3

Usage

• Make sure you have at least 10GB disk space and a good Internet connection
• Clone this repo
• Install dependencies for your distro according to buildroot's tutorials
• Do your customizations: make menuconfig
• make
• It will take like 30min-5h depending on your Internet speed and PC performance
• Run ./user-scripts/generate-rootfs-image.sh to generate the rootfs image

Binary files

The user-overlay directory contains some prebuilt binary files for convenience.

However you can build them by yourself if you absolutely want to do that.

• ingenic_gpio: https://github.com/Ingenic-community/IngenicHAL/blob/main/utils/ingenic_gpio.c
• path-exist-poller: A very short C program, see notes

Notes

This folder contains files whose names are starting with a dot and symlinks.

Program source of path-exist-poller:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <fcntl.h>
#include <unistd.h>

int main(int argc, char **argv) {
	if (argc < 4) {
		puts("Usage: $0 <poll every N seconds> <path that should exist> <script or command>");
		puts("Example: $0 2 /sys/bus/gadget/drivers/configfs-gadget.g1 /sbin/usb-gadget.sh");
		exit(1);
	}

	long poll_time = strtol(argv[1], NULL, 10);

	while (1) {
		if (access(argv[2], F_OK)) {
			system(argv[3]);
		}

		sleep(poll_time);
	}
}