function.h

嵌入式系统启动代码

#ifndef __FUNCTION_H__
#define __FUNCTION_H__

/* Type redefinition */
typedef unsigned char       U8;
typedef unsigned short int  U16;
typedef unsigned int        U32;
typedef char                S8;
typedef short int           S16;
typedef int                 S32;

/* Baud rate definition */
#define BAUD_9600	9600	
#define BAUD_19200	19200	
#define BAUD_38400	38400	
#define BAUD_115200	115200	
#define BAUD_230400	230400

typedef enum
{ 
    UART_NOPARITY,
    UART_PARITY
}UART_Parity;

typedef enum
{
    UART_ONESTOPBIT,
    UART_TWOSTOPBITS
}UART_StopBit;

typedef enum
{   
    UART_5BITS,
    UART_6BITS,
    UART_7BITS,
    UART_8BITS
}UART_Bits;

void UartInitializeEx(unsigned int Baudrate, UART_Bits Bits, UART_Parity Parity, UART_StopBit Stop, int FlowControl);
void Byte2String (char *buf, unsigned char hex);
/***** buf at least has more than 9bytes size **/
void HexWord2String (char *buf, int hex);
void HalfWord2String (char *buf, unsigned short int hex);


void UartInitialize(void);

void UartXmitData (unsigned int  volatile *pUart,  char *buf, int len);

void print_string(char * str);
void print_string_uart(char * buf);

void print_mesg_hex(char *msg, unsigned int hex);
void print_mesg_hex_uart(char *msg, unsigned int hex);

void Dump_Bin(unsigned int base_address,int size);
//void *memset(void *dst0,register int c0,register int length);
void 	zeromem(void *dst0,register unsigned int length);
/*
char* 	strcpy(register char *to,register const char * from);
int		strcmp(register const char *s1,register const char * s2);
char* 	strcat(register char *s,register const char * append);
unsigned int strlen(const char *str);

*/
void DelayUs(unsigned int count);
void DelayMs(unsigned int count);
void DelayS(unsigned int count);
#endif