shawnfeng0

void *memcpy(void *dst, void *src, unsigned n) {
  if (!dst || !src) {
    return nullptr;
  }

  auto dst_c = (char *) dst;
  auto src_c = (char *) src;

  if (dst_c < src || dst_c > (src_c + n)) {
    while (n--) {

shawnfeng0

#include <ulog/ulog.h>

namespace ulog {
namespace token {

// void *
inline void print(const char *name, const void *value) {
  logger_raw(false, "%s => %p", name ? name : "unnamed", value);
}

shawnfeng0

#pragma once

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

// Precompiler define to get only filename;
#if !defined(__FILENAME__)
#define __FILENAME__                                       \
  (strrchr(__FILE__, '/')    ? strrchr(__FILE__, '/') + 1  \
   : strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 \

shawnfeng0

// Reference from kfifo of linux
class FifoPowerOfTwo {
#define _is_power_of_2(x) ((x) != 0 && (((x) & ((x)-1)) == 0))
 public:
  FifoPowerOfTwo(void *buffer, size_t buf_size, size_t element_size = 1)
      : data_((unsigned char *)buffer),
        element_size_(element_size != 0 ? element_size : 1),
        is_allocated_memory_(false) {
    size_t num_elements = buf_size / element_size_;

shawnfeng0

#!/bin/bash

target_language=$(trans -id ${!#} | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})*)?m//g" | awk '$1=="Code" && $2!="zh-CN" {printf ":zh-CN"}')
trans $target_language "$@"

shawnfeng0

#include <ctype.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>

uintptr_t HexDumpData(const uint8_t *data, size_t length, size_t width = 16,
                      uintptr_t base_address = 0, bool tail_addr_out = true) {
  const uint8_t *data_cur = data;
  if (!data || width == 0) return 0;
  while (length) {

shawnfeng0

char *Hex2Str(uint8_t *addr, size_t len, char *out_str, size_t out_str_len,
              bool from_end) {
  if (addr == NULL || len == 0 || out_str == NULL || out_str_len < 3)
    return out_str;
  len = len < (out_str_len-1) / 2 ? len : (out_str_len-1) / 2;

  char hex[] = "0123456789ABCDEF";
  char *str = out_str;

shawnfeng0

#include <stdint.h>
#include <stdlib.h>

enum BatteryLevel {
  BATTERY_LEVEL_VERY_LOW = 0,
  BATTERY_LEVEL_LOW = 1,
  BATTERY_LEVEL_MEDIUM = 2,
  BATTERY_LEVEL_HIGH = 3,
  BATTERY_LEVEL_VERY_HIGH = 4,
  BATTERY_LEVEL_END = 5

shawnfeng0

/**
 * Modify some bits within a number
 *
 * @note The lowest index is 0, increasing sequentially
 *
 * @param origin Original data
 * @param offset Offset that needs to be modified
 * @param len Bit length
 * @param value The value to which the specified bit needs to be replaced
 * @return Modified value

shawnfeng0

cmake_minimum_required(VERSION 2.8.4)
project(Ardupilot)

# Function:                 EXCLUDE_FILES_FROM_DIR_IN_LIST
# Description:              Exclude all files from a list under a specific directory.
# Param _InFileList:        Input and returned List
# Param _excludeDirName:    Name of the directory, which shall be ignored.
# Param _verbose:           Print the names of the files handled

FUNCTION (EXCLUDE_FILES_FROM_DIR_IN_LIST _InFileList _excludeDirName _verbose)