2024-11-08 18:02:29 +08:00
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#ifndef JT808_UTIL_H_
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#define JT808_UTIL_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <string.h>
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// #include <vector>
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// 双字节大小端交换
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uint16_t Swap16(uint16_t val16);
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// 四字节大小端交换
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uint32_t Swap32(uint32_t val32);
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// 异或校验
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uint8_t BCC_Check(const uint8_t *src, uint32_t len);
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// 十进制转BCD码
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uint8_t DecToBcd(uint8_t Dec);
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// BCD码转十进制
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uint8_t BcdToDec(uint8_t Bcd);
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// 原始字符串转BCD码 //奇数位时，首位BCD码前面补0
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uint8_t *rawStrToBcd(uint8_t *bcd, const uint8_t *str, uint16_t str_len);
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// BCD转字符串，自动去掉bcd码前导零
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// bcdlen 为bcd码字节数
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uint8_t *BcdToStr(uint8_t *str, const uint8_t *bcd, int bcd_len);
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// 原始BCD数据转字符串
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// strlen 为原始BCD数据字节数
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uint8_t *rawBcdToStr(uint8_t *str, const uint8_t *bcd, int bcd_len);
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2025-07-16 15:24:50 +08:00
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/**
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* @brief 将ASCII字符串转换为BCD编码
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* @param ascii 输入字符串
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* @param len 字符串长度
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* @param bcd_out 输出BCD数组
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*/
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void ascii_to_bcd(const char* ascii, size_t len, uint8_t* bcd_out);
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2024-11-08 18:02:29 +08:00
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#endif // JT808_UTIL_H_
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