#ifndef __FUNC_H
#define __FUNC_H

#include <stdint.h>

//位变量按字节对齐
#define SWAP(a, b, type) 	{type temp = a; a = b; b = temp;}
#define bytealign(bits)		((bits + 7) & 0xF8)

typedef union {uint32_t value; uint8_t data[4];}WORD_T;
typedef union {float value; uint8_t data[4];}FLOAT_T;


/****************************** 校验相关操作 ******************************/
extern void f_addcrc(uint8_t *data, uint16_t length);
extern uint8_t f_checkcrc(const uint8_t *data, uint16_t length);
/****************************** 内存相关操作 ******************************/
extern void f_memcpy(uint8_t *dest, const uint8_t *src, uint16_t size);
extern void f_memset(uint8_t *data, uint8_t val, uint16_t size);
extern uint8_t f_memcmp(const uint8_t *data1, const uint8_t *data2, uint16_t size);
/***************************** 字符串相关操作 *****************************/
extern uint8_t f_chrcmp(const uint8_t *data, uint8_t val, uint16_t size);
extern uint8_t f_strcmp(const uint8_t *str1, const uint8_t *str2);
extern uint8_t f_strstr(const uint8_t *str1, const uint8_t *str2);
extern int8_t f_strchr(const uint8_t *str, uint8_t ch);

/******************************* 计算相关操作 *******************************/
extern float f_delta(const float aa, const float bb);
extern uint32_t f_abs(const uint32_t val1, const uint32_t val2);

#endif